501 FZUS53 KDTX 181400 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 1000 AM EDT Mon May 18 2026 For waters within five nautical miles of shore Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LHZ422-182200- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 1000 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TODAY...South winds 15 to 20 knots becoming southwest 20 to 25 knots in the afternoon. Mostly sunny late in the morning becoming partly cloudy. Showers likely and a chance of thunderstorms in the afternoon. Waves 2 to 4 feet. .TONIGHT...Southwest winds 20 to 25 knots diminishing to 15 to 20 knots in the late evening and overnight. Mostly cloudy. Showers likely and a chance of thunderstorms early in the evening, then a chance of showers and thunderstorms in the late evening and overnight. Waves 2 to 4 feet. .TUESDAY...Southwest winds 20 to 25 knots increasing to 30 knots in the late morning and afternoon. Mostly cloudy early in the morning becoming partly cloudy. A chance of showers and a slight chance of thunderstorms in the morning. Light showers likely and a chance of thunderstorms in the afternoon. Waves 3 to 5 feet. Waves occasionally around 6 feet. .TUESDAY NIGHT...West winds 20 to 25 knots with gusts to 30 knots becoming northwest 15 to 20 knots after midnight. Mostly cloudy until early morning becoming partly cloudy. Light showers likely and a chance of thunderstorms early in the evening. Waves 3 to 5 feet subsiding to 2 to 4 feet after midnight. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-182200- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 1000 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TODAY...Southwest winds 15 to 20 knots. Partly cloudy. A chance of showers and thunderstorms in the afternoon. Waves 2 to 4 feet. .TONIGHT...Southwest winds 15 to 20 knots. Mostly cloudy. Rain showers likely in the evening. A chance of thunderstorms. A chance of showers after midnight. Waves 2 to 4 feet. .TUESDAY...Southwest winds 20 to 25 knots. Gusts to 30 knots in the late morning and afternoon. Mostly cloudy early in the morning becoming partly cloudy. A chance of showers in the morning. A slight chance of thunderstorms. Light showers likely in the afternoon. Waves 4 to 6 feet. Waves occasionally around 8 feet. .TUESDAY NIGHT...West winds 20 to 25 knots with gusts to 30 knots becoming northwest 15 to 20 knots in the late evening and overnight. Mostly cloudy until early morning becoming partly cloudy. Light showers likely early in the evening. Waves 3 to 5 feet subsiding to 2 to 4 feet after midnight. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-182200- Port Austin to Harbor Beach MI- 1000 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TODAY...South winds 10 to 15 knots becoming southwest 15 to 20 knots in the afternoon. Partly cloudy late in the morning becoming mostly sunny. Showers likely and a chance of thunderstorms in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the afternoon. .TONIGHT...Southwest winds 15 to 20 knots. Mostly cloudy. Rain showers likely in the evening. A chance of thunderstorms. A chance of showers after midnight. Waves 1 to 3 feet. .TUESDAY...Southwest winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots in the late morning and afternoon. Mostly cloudy early in the morning becoming partly cloudy. A chance of showers in the morning.A slight chance of thunderstorms. Light showers likely in the afternoon. Waves 2 to 4 feet building to 3 to 5 feet in the late morning and afternoon. Waves occasionally around 7 feet. .TUESDAY NIGHT...West winds 15 to 20 knots veering to the northwest in the late evening and early morning, then becoming north 10 to 15 knots after midnight. Mostly cloudy. Light showers likely and a chance of thunderstorms early in the evening. Waves 3 to 5 feet. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-182200- Harbor Beach to Port Sanilac MI- 1000 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TODAY...South winds 10 to 15 knots increasing to 15 to 20 knots in the afternoon. Mostly sunny. A chance of thunderstorms and a slight chance of showers in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the afternoon. .TONIGHT...Southwest winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Mostly cloudy until early morning becoming partly cloudy. Showers and thunderstorms likely in the evening, then a chance of showers and thunderstorms after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .TUESDAY...Southwest winds 15 to 20 knots. Gusts to 30 knots in the late morning and afternoon. Mostly cloudy early in the morning becoming partly cloudy. A chance of showers and a slight chance of thunderstorms in the morning. Light showers likely and a chance of thunderstorms in the afternoon. Waves 2 to 4 feet. .TUESDAY NIGHT...West winds 15 to 20 knots veering to the northwest in the late evening and early morning, then becoming north 10 to 15 knots after midnight. Mostly cloudy. A chance of showers and thunderstorms early in the evening, then a chance of showers in the late evening and early morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and early morning, then building to 2 to 4 feet after midnight. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-182200- Port Sanilac to Port Huron MI- 1000 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TODAY...South winds 15 to 20 knots. Sunny. A chance of showers and thunderstorms in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the afternoon. .TONIGHT...Southwest winds 15 to 20 knots. Mostly cloudy until early morning becoming partly cloudy. A chance of showers and thunderstorms until early morning, then a chance of showers after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .TUESDAY...Southwest winds 15 to 20 knots increasing to 20 to 25 knots early in the afternoon. Partly cloudy until late afternoon. A slight chance of showers early in the morning. A chance of showers in the late morning and early afternoon, then showers and a chance of thunderstorms early in the afternoon. Waves 2 to 4 feet. .TUESDAY NIGHT...West winds 15 to 20 knots veering to the north after midnight. Mostly cloudy. A chance of showers and thunderstorms until early morning. Waves 1 to 3 feet building to 2 to 4 feet after midnight. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-182200- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 1000 AM EDT Mon May 18 2026 .REST OF TODAY...South winds 10 to 15 knots becoming southwest 15 to 20 knots in the afternoon. Sunny. A slight chance of showers and thunderstorms in the afternoon. Waves 1 to 3 feet. .TONIGHT...Southwest winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Mostly cloudy with a chance of showers and thunderstorms until early morning, then partly cloudy with a chance of showers and a slight chance of thunderstorms after midnight. Waves 1 to 3 feet. .TUESDAY...Southwest winds 15 to 20 knots increasing to 20 to 25 knots early in the afternoon. Partly cloudy becoming mostly sunny in the late morning and early afternoon becoming partly cloudy. A chance of showers in the late morning and early afternoon. Light showers likely and a chance of thunderstorms early in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon. A Small Craft Advisory may be needed. .TUESDAY NIGHT...Southwest winds 15 to 20 knots becoming west 10 to 15 knots in the late evening and overnight. Light showers and a chance of thunderstorms until early morning, then a chance of showers after midnight. Waves 1 to 3 feet. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is missing. $$ DRK You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes  786 FZUS51 KBUF 181403 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 1003 AM EDT Mon May 18 2026 For waters within five nautical miles of shore Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LEZ020-LOZ030-182100- Upper Niagara River and Buffalo Harbor-Lower Niagara River- 1003 AM EDT Mon May 18 2026 .THIS AFTERNOON...Southwest winds 10 to 15 knots. Sunny. .TONIGHT...Southwest winds 5 to 10 knots. A chance of showers overnight. .TUESDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots. Partly sunny in the morning, then becoming mostly sunny. .TUESDAY NIGHT...Southwest winds 10 to 15 knots becoming west. Showers with a chance of thunderstorms in the evening, then showers overnight. .WEDNESDAY...West winds 10 knots or less becoming north. Showers likely during the day. .THURSDAY...Northeast winds 10 knots or less becoming east. Partly cloudy. .FRIDAY...East winds 5 to 10 knots. A chance of showers Friday night. Winds and waves higher in and near thunderstorms. The water temperature off Buffalo is 52 degrees. $$ LEZ040-041-182100- Buffalo to Ripley along Lake Erie- 1003 AM EDT Mon May 18 2026 .THIS AFTERNOON...Southwest winds 5 to 10 knots. Sunny. Waves 1 foot or less. .TONIGHT...Southwest winds 5 to 10 knots. Mainly clear in the evening, then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...Southwest winds 5 to 15 knots. Partly to mostly sunny. Waves 2 feet or less. .TUESDAY NIGHT...Southwest winds 10 to 15 knots becoming west. Showers with a chance of thunderstorms in the evening, then showers overnight. Waves 1 to 3 feet. .WEDNESDAY...West winds 5 to 10 knots becoming north. Showers during the day. Waves 1 to 3 feet subsiding to 1 foot or less. .THURSDAY...Northeast winds 5 to 10 knots becoming east. Partly cloudy. Waves 1 foot or less. .FRIDAY...East winds 5 to 10 knots becoming southeast. A chance of showers during the day, then showers likely Friday night. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ042-182100- Niagara River to Hamlin Beach along Lake Ontario- 1003 AM EDT Mon May 18 2026 .THIS AFTERNOON...Southwest winds 10 to 15 knots increasing to 15 to 20 knots. Mostly sunny. Waves 1 to 3 feet. .TONIGHT...Southwest winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of showers overnight. Waves 1 to 3 feet. .TUESDAY...Southwest winds 15 to 25 knots. A chance of showers in the morning. Waves 1 to 3 feet building to 2 to 4 feet. .TUESDAY NIGHT...Southwest winds 15 to 25 knots becoming west. Showers with a chance of thunderstorms in the evening, then showers overnight. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet. .WEDNESDAY...West winds 15 to 20 knots becoming northwest 10 to 15 knots. A chance of showers during the day. Waves 2 to 4 feet subsiding to 1 to 3 feet. .THURSDAY...Northeast winds 10 knots or less becoming east. Partly cloudy. Waves 2 feet or less. .FRIDAY...East winds 10 to 15 knots diminishing to 5 to 10 knots. A chance of showers Friday night. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LOZ043-044-182100- Hamlin Beach to Mexico Bay along Lake Ontario including Irondequoit Bay- 1003 AM EDT Mon May 18 2026 .THIS AFTERNOON...Southwest winds 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...South winds 5 to 10 knots becoming southwest. A chance of showers. Waves 1 foot or less. .TUESDAY...Southwest winds 5 to 15 knots increasing to 15 to 20 knots. A chance of showers and thunderstorms in the afternoon. Waves 1 to 3 feet. .TUESDAY NIGHT...Southwest winds 15 to 20 knots becoming west. Showers with achance of thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet. .WEDNESDAY...West winds 15 to 20 knots becoming northwest. Showers likely during the day. Waves 3 to 5 feet building to 4 to 7 feet, then subsiding to 3 to 5 feet. Waves occasionally around 9 feet. .THURSDAY...North winds 5 to 15 knots becoming east less than 10 knots. Partly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less. .FRIDAY...East winds 5 to 15 knots becoming southeast. A chance of showers Friday night. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. The water temperature off Rochester is 49 degrees. $$ LOZ045-182100- Mexico Bay to the Saint Lawrence River along Lake Ontario- 1003 AM EDT Mon May 18 2026 .THIS AFTERNOON...South winds 5 to 15 knots becoming southwest. Mostly sunny. Waves 2 feet or less. .TONIGHT...South winds 5 to 10 knots. A chance of showers and thunderstorms. Waves 2 feet or less. .TUESDAY...South winds 10 to 15 knots becoming southwest. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Waves 2 feet or less. .TUESDAY NIGHT...South winds 10 to 15 knots becoming southwest 15 to 20 knots. Showers with a chance of thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet. .WEDNESDAY...West winds 15 to 20 knots becoming north 10 to 15 knots. Showers during the day. Waves 2 to 4 feet building to 3 to 6 feet. Waves occasionally around 7 feet. .THURSDAY...North winds 10 to 15 knots becoming light and variable. Mainly clear, then becoming partly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less. .FRIDAY...East winds 10 knots or less becoming southeast. A chance of showers Friday night. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$  391 FZUS53 KMKX 181410 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 910 AM CDT Mon May 18 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-182200- Sheboygan to Port Washington WI- 910 AM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...South wind 10 to 20 knots becoming 10 to 15 knots in the afternoon. Chance of showers late in the morning and early afternoon. Slight chance of thunderstorms through the day. Slight chance of showers late in the afternoon. Waves 3 to 4 feet. .TONIGHT...South wind 10 to 15 knots rising to 15 to 20 knots after midnight. Patchy fog through around midnight. slight chance of showers and thunderstorms through around midnight, then showers likely and a chance of thunderstorms after midnight. Waves 3 to 4 feet building to 4 to 6 feet. .TUESDAY...South wind 15 to 20 knots veering west late in the afternoon. Gusts up to 25 knots. Chance of thunderstorms and slight chance of showers in the morning, then chance of showers in the afternoon. Waves 5 to 7 feet subsiding to 3 to 4 feet. .TUESDAY NIGHT...Northwest wind 15 to 20 knots easing to 10 to 15 knots with gusts to around 20 knots late in the evening, then becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight veering north early in the morning. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. $$ LMZ644-182200- Port Washington to North Point Light WI- 910 AM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY AFTERNOON... .REST OF TODAY...South wind 10 to 15 knots becoming 10 to 20 knots early in the afternoon, then becoming 10 to 15 knots late in the afternoon. Chance of showers late in the morning and early afternoon. Slight chance of thunderstorms through the day. Slight chance of showers late in the afternoon. Waves 2 to 4 feet. .TONIGHT...South wind 10 to 15 knots with gusts to around 20 knots rising to 15 to 20 knots after midnight, then becoming south 15 to 20 knots with gusts to around 25 knots early in the morning. Slight chance of showers and thunderstorms through around midnight, then chance of showers and thunderstorms after midnight. Waves 3 to 4 feet building to 3 to 5 feet early in the morning. .TUESDAY...South wind 15 to 20 knots veering west late in the afternoon. Gusts up to 25 knots. Slight chance of showers and thunderstorms in the morning, then chance of showers in the afternoon. Waves 3 to 5 feet subsiding to 3 to 4 feet in the afternoon. .TUESDAY NIGHT...Northwest wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight veering north early in the morning. Partly cloudy. Waves 1 to 2 feet. $$ LMZ645-182200- North Point Light to Wind Point WI- 910 AM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY AFTERNOON... .REST OF TODAY...South wind 10 to 20 knots becoming 15 to 20 knots early in the afternoon, then easing to 10 to 15 knots late in the afternoon. Gusts up to 25 knots. Chance of showers late in the morning and early afternoon. Slight chance of thunderstorms through the day. Slight chance of showers late in the afternoon. Waves 2 to 4 feet. .TONIGHT...South wind 10 to 15 knots becoming 10 to 20 knots late in the evening, then becoming 15 to 20 knots after midnight becoming south 15 to 20 knots early in the morning. Gusts up to 25 knots. Slight chance of showers and thunderstorms through around midnight, then chance of showers and thunderstorms after midnight. Waves 3 to 4 feet. .TUESDAY...South wind 15 to 20 knots veering west late in the afternoon. Gusts up to 25 knots. Chance of showers and slightchance of thunderstorms through the day. Waves 3 to 4 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots veering north early in the morning. Partly cloudy. Waves 1 to 2 feet building to 2 to 4 feet early in the morning. $$ LMZ646-182200- Wind Point WI to Winthrop Harbor IL- 910 AM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY AFTERNOON... .REST OF TODAY...South wind 10 to 20 knots becoming 10 to 15 knots in the afternoon. Gusts up to 25 knots. Rain showers likely and a chance of thunderstorms late in the morning, then chance of showers and slight chance of thunderstorms in the afternoon. Waves 2 to 4 feet. .TONIGHT...South wind 10 to 15 knots rising to 15 to 20 knots in the late evening and early morning, then becoming south 15 to 20 knots with gusts to around 25 knots early in the morning. Slight chance of showers and thunderstorms through around midnight. Chance of showers and thunderstorms after midnight. Waves 3 to 4 feet. .TUESDAY...South wind 15 to 20 knots veering west late in the afternoon. Gusts up to 25 knots. Chance of showers and slight chance of thunderstorms. Waves 3 to 4 feet subsiding to 1 to 2 feet late in the afternoon. .TUESDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots veering north early in the morning. Partly cloudy. Waves 1 to 2 feet. $$ See Lake Michigan Open Waters Forecast for Wednesday through Friday.  539 FZUS53 KGRR 181413 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 1013 AM EDT Mon May 18 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-182100- Pentwater to Manistee MI- 1013 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...South winds to 30 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 3 to 5 feet. .TONIGHT...South winds to 30 knots. Rain showers likely and a chance of thunderstorms. Patchy fog. Waves 5 to 7 feet. .TUESDAY...South winds to 30 knots veering southwest early in the afternoon. Rain showers likely and a chance of thunderstorms. Patchy fog. Waves 6 to 8 feet. .TUESDAY NIGHT...Northwest winds 15 to 25 knots veering north after midnight. Partly cloudy. Waves 5 to 7 feet. .WEDNESDAY...North winds 15 to 20 knots. Mostly sunny. Waves 2 to 3 feet. .THURSDAY...Northeast winds 5 to 10 knots backing north 10 to 15 knots early in the afternoon. Mostly sunny. Waves around 1 foot. .FRIDAY...East winds 10 to 15 knots. Mostly cloudy. Waves 1 foot or less. $$ LMZ848-182100- Whitehall to Pentwater MI- 1013 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...South winds to 30 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 4 to 6 feet. .TONIGHT...South winds to 30 knots. Mostly cloudy with a chance of showers and thunderstorms. Patchy fog. Waves 5 to 7 feet. .TUESDAY...South winds to 30 knots veering southwest early in the afternoon. Rain showers likely and a chance of thunderstorms. Patchy fog. Waves 6 to 9 feet. .TUESDAY NIGHT...Northwest winds 20 to 25 knots veering north 15 to 20 knots after midnight. Partly cloudy. Waves 5 to 7 feet. .WEDNESDAY...North winds 15 to 25 knots. Mostly sunny. Waves 2 to 4 feet. .THURSDAY...Northeast winds 10 to 15 knots backing north early in the afternoon. Mostly sunny. Waves around 1 foot. .FRIDAY...East winds 10 to 15 knots. Mostly cloudy. Waves around 1 foot. $$ LMZ847-182100- Grand Haven to Whitehall MI- 1013 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...South winds to 30 knots. A chance of showers and thunderstorms late in the morning, then rain showers likely and a chance of thunderstorms in the afternoon. Waves 4 to 6 feet. .TONIGHT...South winds to 30 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 5 to 7 feet. .TUESDAY...South winds to 30 knots veering southwest early in the afternoon. Rain showers likely and a chance of thunderstorms. Patchy fog. Waves 6 to 8 feet. .TUESDAY NIGHT...Northwest winds 20 to 25 knots veering north after midnight. Partly cloudy. Waves 4 to 6 feet. .WEDNESDAY...North winds 15 to 25 knots. Mostly sunny. Waves 2 to 4 feet. .THURSDAY...East winds 10 to 15 knots backing north early in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY...East winds 10 to 20 knots. Mostly cloudy. Waves around 1 foot. $$ LMZ846-182100- Holland to Grand Haven MI- 1013 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...South winds to 30 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 3 to 5 feet. .TONIGHT...South winds to 30 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 4 to 6 feet. .TUESDAY...South winds to 30 knots veering southwest 20 to 25 knots early in the afternoon. Rain showers likely and a chance of thunderstorms. Patchy fog. Waves 6 to 8 feet. .TUESDAY NIGHT...Northwest winds around 20 knots. Partly cloudy. Waves 3 to 5 feet. .WEDNESDAY...North winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .THURSDAY...Northeast winds 10 to 15 knots. Mostly sunny. Waves around 1 foot. .FRIDAY...East winds 15 to 20 knots. Mostly cloudy. Waves around 1 foot. $$ LMZ845-182100- South Haven to Holland MI- 1013 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY EVENING... .REST OF TODAY...South winds 20 to 25 knots. A chance of showers and thunderstorms late in the morning, then rain showers likely and a chance of thunderstorms in the afternoon. Waves 2 to 4 feet. .TONIGHT...South winds 15 to 25 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 3 to 5 feet. .TUESDAY...Southwest winds to 30 knots. Partly sunny with a chance of showers and thunderstorms. Waves 4 to 6 feet. .TUESDAY NIGHT...West winds 15 to 20 knots veering northwest in the late evening and overnight. Partly cloudy with rain showers likely and a slight chance of thunderstorms. Waves 3 to 5 feet. .WEDNESDAY...North winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .THURSDAY...Northeast winds 10 to 15 knots. Mostly sunny. Waves around 1 foot. .FRIDAY...East winds 10 to 15 knots. Mostly cloudy. Waves 1 foot or less. $$ LMZ844-182100- St Joseph to South Haven MI- 1013 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY EVENING... .REST OF TODAY...South winds around 20 knots. A slight chance of showers and thunderstorms late in the morning, then rain showers likely and a chance of thunderstorms in the afternoon. Waves 2 to 3 feet. .TONIGHT...South winds 15 to 25 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 2 to 4 feet. .TUESDAY...Southwest winds 20 to 25 knots. Partly sunny with a chance of showers and thunderstorms. Waves 3 to 5 feet. .TUESDAY NIGHT...Northwest winds 15 to 20 knots becoming around 20 knots after midnight. Mostly cloudy with a slight chance of showers and thunderstorms. Waves 3 to 5 feet. .WEDNESDAY...North winds 15 to 20 knots. Mostly sunny. Waves 3 to 5 feet. .THURSDAY...Northeast winds 10 to 15 knots. Mostly sunny. Waves 1 to 2 feet. .FRIDAY...East winds 10 to 15 knots. Mostly cloudy with a chance of rain showers. Waves around 1 foot. $$  478 FZUS53 KIWX 181440 NSHIWX Nearshore Marine Forecast National Weather Service Northern Indiana 1040 AM EDT Mon May 18 2026 For waters within five nautical miles of shore on Lake Michigan LMZ046-182015- Michigan City IN to New Buffalo MI- 1040 AM EDT Mon May 18 2026 .REST OF TODAY...South winds 10 to 15 knots becoming southwest 15 to 20 knots. Gusts up to 25 knots. Showers likely with a chance of thunderstorms early this afternoon. A chance of showers and thunderstorms late. Waves 1 to 3 feet. .TONIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots. Gusts up to 25 knots. A slight chance of showers and thunderstorms in the evening. Waves 1 to 3 feet. .TUESDAY...South winds 15 to 20 knots becoming southwest. Gusts up to 25 knots. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .TUESDAY NIGHT...West winds 10 to 15 knots becoming north. Showers likely with a chance of thunderstorms in the evening, then a chance of showers overnight. Waves 2 to 3 feet. Winds and waves higher in and near thunderstorms. The water temperature at St. Joseph is 55 degrees and at Michigan City is 53 degrees. $$ LMZ043-182015- New Buffalo MI to St Joseph MI- 1040 AM EDT Mon May 18 2026 .REST OF TODAY...South winds 10 to 15 knots. Gusts up to 25 knots. Showers likely with a chance of thunderstorms early this afternoon. A chance of showers and thunderstorms late. Waves 1 to 3 feet. .TONIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots. Gusts up to 25 knots. A slight chance of showers and thunderstorms in the evening. Waves 1 to 3 feet. .TUESDAY...South winds 15 to 20 knots becoming southwest. Gusts up to 30 knots. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 2 to 4 feet. .TUESDAY NIGHT...West winds 10 to 15 knots becoming north. Showers likely with a chance of thunderstorms in the evening, then a chance of showers overnight. Waves 2 to 4 feet. Winds and waves higher in and near thunderstorms. The water temperature at St. Joseph is 55 degrees and at Michigan City is 53 degrees. $$  854 FZUS53 KAPX 181446 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 1046 AM EDT Mon May 18 2026 For waters within five nautical miles of shore on Lakes Huron... Michigan and Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ321-182300- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 1046 AM EDT Mon May 18 2026 .TODAY...South wind 10 to 15 knots becoming southwest in the afternoon. Slight chance of thunderstorms in the late morning. Chance of showers through the day. Waves 2 to 3 feet. .TONIGHT...South wind 10 to 15 knots. Rain showers likely and a chance of thunderstorms. Waves 2 feet or less. .TUESDAY...Southwest wind 15 to 25 knots. Rain showers. Waves 4 to 7 feet. .TUESDAY NIGHT...Northwest wind 15 to 25 knots. Mostly cloudy. Waves 5 to 8 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LSZ322-182300- St. Marys River Point Iroquois to E. Potagannissing Bay- 1046 AM EDT Mon May 18 2026 .TODAY...Southwest wind 10 to 15 knots. Chance of thunderstorms in the late morning. Chance of showers through the day. Slight chance of thunderstorms in the afternoon. .TONIGHT...South wind 5 to 10 knots. Rain showers likely and a chance of thunderstorms. .TUESDAY...Southwest wind 15 to 20 knots. Rain showers. .TUESDAY NIGHT...Northwest wind 10 to 20 knots. Mostly cloudy. Winds higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ341-182300- Seul Choix Point to 5NM West of Mackinac Bridge- 1046 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .TODAY...Southwest wind 10 to 15 knots. Gusts to 25 knots. Slight chance of thunderstorms in the late morning. Chance of showers through the day. Waves 2 to 4 feet. .TONIGHT...South wind 15 to 20 knots. Chance of showers and thunderstorms. Waves 4 to 6 feet. .TUESDAY...Southwest wind 15 to 25 knots. Rain showers. Waves 5 to 8 feet. .TUESDAY NIGHT...Northwest wind 10 to 20 knots. Mostly cloudy. Waves 3 to 5 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ342-182300- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 1046 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .TODAY...Southwest wind 10 to 15 knots. Gusts to 25 knots. Chance of thunderstorms in the late morning. Chance of showers through the day. Slight chance of thunderstorms in the afternoon. Waves 2 to 3 feet. .TONIGHT...South wind 15 to 20 knots. Rain showers likely and a chance of thunderstorms. Waves 2 to 3 feet. .TUESDAY...Southwest wind 15 to 25 knots. Chance of showers. Waves 4 to 6 feet. .TUESDAY NIGHT...Northwest wind 10 to 20 knots. Mostly cloudy. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ323-182300- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 1046 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .TODAY...Southwest wind 10 to 15 knots. Gusts to 25 knots. Chance of showers and slight chance of thunderstorms. Waves 2 to 3 feet. .TONIGHT...South wind 15 to 20 knots. Chance of showers and thunderstorms. Waves 2 to 3 feet. .TUESDAY...Southwest wind 10 to 20 knots. Rain showers likely. Waves 2 to 4 feet. .TUESDAY NIGHT...Northwest wind 15 to 20 knots. Mostly cloudy. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ344-345-182300- Sleeping Bear Point to Grand Traverse Light MI- Point Betsie to Sleeping Bear Point MI- 1046 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .TODAY...Southwest wind 15 to 20 knots. Gusts to 25 knots. Chance of showers and slight chance of thunderstorms. Waves 2 to 4 feet. .TONIGHT...South wind 15 to 20 knots. Rain showers likely and a chance of thunderstorms. Waves 3 to 5 feet. .TUESDAY...Southwest wind 15 to 25 knots. Rain showers likely. Waves 4 to 7 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy. Waves 3 to 5 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ346-182300- Manistee to Point Betsie MI- 1046 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .TODAY...Southwest wind 15 to 20 knots becoming south 5 to 15 knots early in the evening. Gusts to 25 knots. Chance of showers and slight chance of thunderstorms. Waves 2 to 4 feet. .TONIGHT...South wind 10 to 20 knots. Rain showers likely and a chance of thunderstorms. Waves 4 to 6 feet. .TUESDAY...Southwest wind 15 to 25 knots. Rain showers likely. Waves 5 to 8 feet. .TUESDAY NIGHT...North wind 10 to 15 knots. Mostly cloudy. Waves 3 to 5 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ345-182300- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- 1046 AM EDT Mon May 18 2026 .TODAY...South wind 10 to 15 knots becoming west in the afternoon. Chance of thunderstorms in the late morning. Chance of showers through the day. Slight chance of thunderstorms in the afternoon. Waves 2 feet or less. .TONIGHT...South wind 5 to 10 knots. Rain showers likely and a chance of thunderstorms. Waves 2 feet or less. .TUESDAY...Southwest wind 10 to 20 knots. Rain showers. Waves 2 to 4 feet. .TUESDAY NIGHT...Northwest wind 10 to 20 knots. Mostly cloudy. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ346-182300- St Ignace to False Detour Channel- 1046 AM EDT Mon May 18 2026 .TODAY...Southeast wind 10 to 15 knots becoming southwest early in the evening. Chance of thunderstorms in the late morning. Chance of showers through the day. Slight chance of thunderstorms in the afternoon. Waves 2 to 3 feet. .TONIGHT...South wind 10 to 15 knots. Chance of showers and thunderstorms. Waves 2 feet or less. .TUESDAY...Southwest wind 15 to 25 knots. Rain showers. Waves 3 to 5 feet. .TUESDAY NIGHT...Northwest wind 15 to 25 knots. Mostly cloudy. Waves 3 to 5 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ347-182300- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 1046 AM EDT Mon May 18 2026 .TODAY...South wind 10 to 15 knots becoming southwest in the afternoon. Chance of showers and slight chance of thunderstorms in the late morning, then showers likely and a chance of thunderstorms in the afternoon. Waves 2 to 3 feet. .TONIGHT...South wind 5 to 10 knots. Chance of showers and thunderstorms. Waves 2 feet or less. .TUESDAY...Southwest wind 10 to 20 knots. Rain showers. Waves 3 to 5 feet. .TUESDAY NIGHT...Northwest wind 15 to 25 knots. Mostly cloudy. Waves 4 to 7 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ348-182300- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 1046 AM EDT Mon May 18 2026 .TODAY...Southwest wind 15 to 20 knots. Rain showers likely and a chance of thunderstorms in the afternoon. Waves 3 to 5 feet. .TONIGHT...South wind 10 to 15 knots. Chance of showers and thunderstorms. Waves 2 to 4 feet. .TUESDAY...Southwest wind 10 to 20 knots. Chance of showers. Waves 3 to 5 feet. .TUESDAY NIGHT...Northwest wind 15 to 25 knots. Mostly cloudy. Waves 4 to 7 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ349-182300- Sturgeon Pt to Alabaster MI- 1046 AM EDT Mon May 18 2026 .TODAY...Southwest wind 15 to 20 knots. Chance of showers and thunderstorms in the afternoon. Waves 2 to 4 feet. .TONIGHT...Southwest wind 10 to 20 knots. Rain showers likely and slight chance of thunderstorms. Waves 2 to 4 feet. .TUESDAY...Southwest wind 15 to 25 knots. Chance of showers. Waves 3 to 5 feet. .TUESDAY NIGHT...Northwest wind 10 to 20 knots. Mostly cloudy. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ MSB  160 FZUS53 KDLH 181456 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 955 AM CDT Mon May 18 2026 For waters within five nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ140-182200- Grand Portage to Grand Marais MN- 955 AM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF TODAY...Northeast wind 5 to 10 knots. Gusts up to 20 knots in the late morning and early afternoon. Slight chance of rain showers late in the morning. Waves 1 to 3 feet. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots. Chance of rain showers in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 3 feet building to 4 to 6 feet in the late evening and overnight. Waves occasionally to 8 feet. A small craft advisory may be needed. .TUESDAY...North wind 20 to 25 knots becoming northwest 10 to 15 knots with gusts to around 20 knots in the afternoon. Chance of rain showers in the morning. Waves 4 to 6 feet subsiding to 1 to 2 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. .TUESDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots in the evening. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. $$ LSZ141-182200- Grand Marais to Taconite Harbor MN- 955 AM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF TODAY...Northwest wind 5 knots becoming southeast early in the afternoon, then becoming northeast late. Slight chance of rain showers late in the morning. Waves 1 to 3 feet. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots after midnight. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers after midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .TUESDAY...North wind 5 to 10 knots becoming northwest in the afternoon. Gusts up to 20 knots. Chance of rain showers in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. $$ LSZ142-182200- Taconite Harbor to Silver Bay Harbor MN- 955 AM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF TODAY...North wind 5 knots becoming southeast early in the afternoon, then becoming northeast late. Slight chance of rain showers late in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots. Chance of rain showers in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 2 feet building to 2 to 4 feet after midnight. A small craft advisory may be needed. .TUESDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots late in the afternoon. Chance of rain showers in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. A small craft advisory may be needed. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. $$ LSZ143-182200- Silver Bay Harbor to Two Harbors MN- 955 AM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF TODAY...Northeast wind 5 knots. Slight chance of rain showers late in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...Northeast wind 10 to 15 knots.Gusts up to 20 knots late in the evening increasing to 25 knots, then decreasing to 20 knots early in the morning. Rain showers likely in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 2 feet building to 2 to 4 feet after midnight. A small craft advisory may be needed. .TUESDAY...North wind 5 to 10 knots becoming northwest in the late morning and afternoon. Chance of rain showers in the morning. Waves 2 to 4 feet. A small craft advisory may be needed. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. $$ LSZ144-182200- Two Harbors to Duluth MN- 955 AM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF TODAY...East wind 5 to 10 knots. Mostly cloudy. Waves 1 to 3 feet. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots late in the evening increasing to 25 knots, then decreasing to 20 knots early in the morning. Rain showers likely in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .TUESDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Chance of rain showers in the morning. Waves 2 to 4 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots after midnight. Mostly cloudy. Waves 1 to 2 feet. $$ LSZ145-182200- Duluth MN to Port Wing WI- 955 AM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF TODAY...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the afternoon. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots late in the evening increasing to 25 knots, then decreasing to 20 knots early in the morning. Rain showers likely in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 2 feet building to 3 to 5 feet in the late evening and overnight. A small craft advisory may be needed. .TUESDAY...North wind 10 to 15 knots becoming west in the late morning and afternoon. Gusts up to 20 knots. Chance of rain showers in the morning. Waves 2 to 4 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 knots after midnight. Mostly cloudy. Waves 1 to 3 feet. $$ LSZ146-182200- Port Wing to Sand Island WI- 955 AM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF TODAY...Northeast wind 5 knots. Slight chance of rain showers late in the morning. Waves 1 to 3 feet subsiding to 1 to 2 feet in the afternoon. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Rain showers likely in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 2 feet building to 3 to 5 feet after midnight. A small craft advisory may be needed. .TUESDAY...North wind 5 to 10 knots with gusts to around 20 knots becoming west with gusts to around 20 knots in the late morning and afternoon. Chance of rain showers in the morning. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the afternoon. A small craft advisory may be needed. .TUESDAY NIGHT...West wind 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. $$ LSZ147-182200- Sand Island to Bayfield WI- 955 AM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF TODAY...Northwest wind 5 knots becoming northeast in the afternoon. Slight chance of rain showers late in the morning. Waves 1 to 3 feet subsiding to 1 to 2 feet in the afternoon. .TONIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots. Rainshowers likely in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 3 feet building to 3 to 5 feet after midnight. A small craft advisory may be needed. .TUESDAY...North wind 10 to 15 knots with gusts to around 20 knots becoming west 5 to 10 knots with gusts to around 20 knots in the late morning and afternoon. Chance of rain showers in the morning. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the afternoon. A small craft advisory may be needed. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. $$ LSZ150-182200- Outer Apostle Islands Beyond 5 NM from Mainland- 955 AM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF TODAY...North wind 5 knots becoming northeast in the afternoon. Slight chance of rain showers late in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late evening and overnight. Rain showers likely in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 3 feet building to 4 to 7 feet in the late evening and overnight. Waves occasionally to 9 feet. A small craft advisory may be needed. .TUESDAY...North wind 10 to 15 knots with gusts to around 25 knots becoming west 5 to 10 knots with gusts to around 20 knots in the late morning and afternoon. Chance of rain showers in the morning. Waves 4 to 7 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 9 feet. A small craft advisory may be needed. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Mostly cloudy. Waves 1 to 3 feet. $$ LSZ121-182200- Chequamegon Bay-Bayfield to Oak Point WI- 955 AM CDT Mon May 18 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 foot or less. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots in the late evening and early morning decreasing to 20 knots. Rain showers likely in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 2 feet. .TUESDAY...North wind 10 to 15 knots with gusts to around 20 knots becoming northwest with gusts to around 20 knots in the late morning and afternoon. Chance of rain showers in the morning. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. $$ LSZ148-182200- Oak Point to Saxon Harbor WI- 955 AM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF TODAY...Northwest wind 5 knots becoming northeast in the afternoon. Mostly cloudy. Waves 1 to 3 feet. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots in the late evening and early morning decreasing to 20 knots. Rain showers likely in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 3 feet building to 5 to 8 feet. Waves occasionally to 10 feet. A small craft advisory may be needed. .TUESDAY...North wind 10 to 15 knots with gusts to around 20 knots becoming northwest with gusts to around 20 knots in the late morning and afternoon. Chance of rain showers in the morning. Waves 4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. .TUESDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots after midnight. Mostly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH