704 FZUS53 KDLH 192001 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 301 PM CDT Tue May 19 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. LSZ140-200400- Grand Portage to Grand Marais MN- 301 PM CDT Tue May 19 2026 .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles early in the evening. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind 5 knots becoming southwest late in the morning, then rising to 10 to 15 knots with gusts to around 20 knots in the afternoon. Sunny. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves 1 to 2 feet. .THURSDAY...South wind 5 to 10 knots. Sunny. Waves 1 foot or less. $$ LSZ141-200400- Grand Marais to Taconite Harbor MN- 301 PM CDT Tue May 19 2026 .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles early in the evening. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind 5 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...South wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northeast 5 knots early in the morning. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 5 knots becoming southeast in the late morning and afternoon. Sunny. Waves 1 foot or less. $$ LSZ142-200400- Taconite Harbor to Silver Bay Harbor MN- 301 PM CDT Tue May 19 2026 .TONIGHT...West 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. .WEDNESDAY...West wind 5 knots becoming south late in the afternoon. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Southeast wind 5 knots becoming northeast in the late evening and overnight. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 5 knots becoming east in the late morning and afternoon. Sunny. Waves 1 foot or less. $$ LSZ143-200400- Silver Bay Harbor to Two Harbors MN- 301 PM CDT Tue May 19 2026 .TONIGHT...West wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots becoming south in the late morning and early afternoon, then becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots becoming northeast after midnight. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ144-200400- Two Harbors to Duluth MN- 301 PM CDT Tue May 19 2026 .TONIGHT...West 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 to 2 feet. .WEDNESDAY...West wind 5 knots becoming southwest late in the morning, then becoming southeast in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...East wind 5 to 10 knots. Sunny. Waves 1 foot or less. $$ LSZ145-200400- Duluth MN to Port Wing WI- 301 PM CDT Tue May 19 2026 .TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...East wind 5 to 10 knots. Sunny. Waves 1 foot or less. $$ LSZ146-200400- Port Wing to Sand Island WI- 301 PM CDT Tue May 19 2026 .TONIGHT...West 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 3 feet. .WEDNESDAY...West wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. $$ LSZ147-200400- Sand Island to Bayfield WI- 301 PM CDT Tue May 19 2026 .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 3 feet. .WEDNESDAY...West wind 5 knots becoming southeast in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Southeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Southeast wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ150-200400- Outer Apostle Islands Beyond 5 NM from Mainland- 301 PM CDT Tue May 19 2026 .TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .WEDNESDAY...Northwest wind 5 knots becoming southeast in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Southeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Southeast wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ121-200400- Chequamegon Bay-Bayfield to Oak Point WI- 301 PM CDT Tue May 19 2026 .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. .WEDNESDAY...Northwest wind 5 knots becoming east in the afternoon. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots becoming south after midnight. Mostly clear. Waves 1 foot or less. .THURSDAY...South wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ148-200400- Oak Point to Saxon Harbor WI- 301 PM CDT Tue May 19 2026 .TONIGHT...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 3 feet. .WEDNESDAY...Northwest wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots becoming south after midnight. Mostly clear. Waves 1 foot or less. .THURSDAY...South wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  727 FZUS53 KLOT 192001 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 301 PM CDT Tue May 19 2026 For waters within five nautical miles of shore on Lake Michigan Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered. LMZ740>742-200330- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 301 PM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... .LATE THIS AFTERNOON...West winds 15 to 25 kt. Mostly cloudy. Waves 1 to 3 ft. .TONIGHT...Northwest winds 15 to 20 kt becoming north 15 to 25 kt late. Mostly cloudy. Waves 1 to 3 ft building to 2 to 4 ft. .WEDNESDAY...North winds 15 to 25 kt. Mostly cloudy in the morning, then becoming partly cloudy. Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. .WEDNESDAY NIGHT...North winds 15 to 25 kt becoming northeast 15 to 20 kt. Partly cloudy. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 6 ft. .THURSDAY...East winds 15 to 20 kt becoming northeast in the afternoon. Partly cloudy in the morning, then becoming mostly cloudy. Waves 2 to 4 ft. $$ LMZ743>745-200330- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 301 PM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... .LATE THIS AFTERNOON...West winds 15 to 25 kt. Slight chance of showers. Waves 2 to 4 ft. .TONIGHT...Northwest winds 15 to 20 kt becoming north 15 to 25 kt late. Mostly cloudy. Waves 1 to 3 ft building to 3 to 5 ft. .WEDNESDAY...North winds 15 to 25 kt. Mostly cloudy. Waves 4 to 7 ft occasionally to 9 ft. .WEDNESDAY NIGHT...North winds 15 to 25 kt becoming northeast and diminishing to around 15 kt overnight. Partly cloudy. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft late. .THURSDAY...East winds 15 to 20 kt becoming northeast in the afternoon. Partly cloudy. Waves 2 to 4 ft. $$ Kluber  902 FZUS51 KBUF 192003 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 403 PM EDT Tue May 19 2026 For waters within five nautical miles of shore Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LEZ020-LOZ030-200300- Upper Niagara River and Buffalo Harbor-Lower Niagara River- 403 PM EDT Tue May 19 2026 .TONIGHT...Southwest winds 10 to 15 knots becoming west. Showers with a chance of thunderstorms this evening, then a chance of showers after midnight. Showers late. .WEDNESDAY...Northwest winds 5 to 10 knots. A chance of showers in the morning. .WEDNESDAY NIGHT...North winds 10 knots or less. Mostly cloudy. .THURSDAY...Northeast winds 5 to 10 knots. Mostly sunny. .THURSDAY NIGHT...Northeast winds 10 knots or less becoming east. Partly to mostly cloudy. .FRIDAY...East winds 5 to 10 knots. Showers likely Friday night. .SATURDAY...East winds 5 to 15 knots becoming southeast. Showers. .SUNDAY...Southeast winds 5 to 10 knots becoming light and variable. A chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. The water temperature off Buffalo is 55 degrees. $$ LEZ040-041-200300- Buffalo to Ripley along Lake Erie- 403 PM EDT Tue May 19 2026 .TONIGHT...Southwest winds around 10 knots becoming west. Showers with a chance of thunderstorms this evening, then showers after midnight. Waves 1 to 3 feet. .WEDNESDAY...West winds 5 to 10 knots. A chance of showers in the morning. Waves 1 to 3 feet. .WEDNESDAY NIGHT...West winds 5 to 10 knots becoming northeast. Mostly cloudy. Waves 1 foot or less. .THURSDAY...Northeast winds 5 to 15 knots. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...Northeast winds 5 to 10 knots becoming east. Partly to mostly cloudy. Waves 2 feet or less. .FRIDAY...East winds 5 to 15 knots. A chance of showers during the day, then showers Friday night. Waves 2 feet or less. .SATURDAY...East winds 10 to 15 knots becoming southeast. Showers with a chance of thunderstorms. Waves 2 feet or less. .SUNDAY...South winds 5 to 10 knots becoming light and variable. A chance of showers and thunderstorms. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ042-200300- Niagara River to Hamlin Beach along Lake Ontario- 403 PM EDT Tue May 19 2026 .TONIGHT...Southwest winds 15 to 20 knots becoming west. Showers with a chance of thunderstorms this evening, then a chance of showers after midnight. Showers late. Waves 2 to 4 feet subsiding to 1 to 3 feet. .WEDNESDAY...West winds 10 to 15 knots. A chance of showers in the morning. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northwest winds 5 to 15 knots becoming north. Partly to mostly cloudy. Waves 1 to 3 feet. .THURSDAY...Northeast winds 5 to 15 knots becoming east. Mostly sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...East winds 10 knots or less. Partly cloudy. Waves 1 foot or less. .FRIDAY...East winds 10 to 15 knots increasing to 15 to 20 knots. Showers likely Friday night. Waves 1 to 3 feet. .SATURDAY...East winds 15 to 20 knots diminishing to 10 to 15 knots. Showers likely. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally around 6 feet. .SUNDAY...Southeast winds 5 to 15 knots becoming southwest less than 10 knots. Showers likely during the day, then a chance of showers Sunday night. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ043-044-200300- Hamlin Beach to Mexico Bay along Lake Ontario including Irondequoit Bay- 403 PM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... .TONIGHT...Southwest winds 10 to 15 knots becoming west 15 to 20 knots. A chance of showers and thunderstorms early, then showers likely with a chance of thunderstorms late this evening. Showers after midnight. Waves 1 to 3 feet. .WEDNESDAY...West winds 15 to 20 knots. A chance of showers in the morning. Waves 2 to 4 feet building to 3 to 6 feet. Waves occasionally around 7 feet. .WEDNESDAY NIGHT...West winds 15 to 20 knots becoming north 10 to 15 knots. Partly to mostly cloudy. Waves 3 to 6 feet subsiding to 2 to 4 feet. Waves occasionally around 7 feet. .THURSDAY...Northeast winds 5 to 15 knots becoming north. Mostly sunny. Waves 1 to 3 feet. .THURSDAY NIGHT...Northwest winds less than 10 knots. Partly cloudy. Waves 1 foot or less. .FRIDAY...East winds 5 to 15 knots. A chance of showers Friday night. Waves 1 to 3 feet. .SATURDAY...Southeast winds 15 to 20 knots. Showers likely. Waves 2 to 4 feet subsiding to 1 to 3 feet. .SUNDAY...Southeast winds 15 to 20 knots becoming south 5 to 15 knots. Showers likely with a chance of thunderstorms during the day, then a chance of showers and thunderstorms Sunday night. Waves 1 to 3 feet subsiding to 1 foot or less. Winds and waves higher in and near thunderstorms. The water temperature off Rochester is 50 degrees. $$ LOZ045-200300- Mexico Bay to the Saint Lawrence River along Lake Ontario- 403 PM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... .TONIGHT...Southwest winds 10 to 15 knots. Showers likely with a chance of thunderstorms this evening, then showers after midnight. Waves 1 to 3 feet building to 2 to 4 feet. .WEDNESDAY...West winds 10 to 15 knots becoming southwest 15 to 20 knots. A chance of showers in the morning. Waves 2 to 4 feet building to 3 to 6 feet. Waves occasionally around 7 feet. .WEDNESDAY NIGHT...West winds 15 to 20 knots becoming north 10 to 15 knots. Partly to mostly cloudy. Waves 3 to 6 feet subsiding to 1 to 3 feet. Waves occasionally around 7 feet. .THURSDAY...North winds 5 to 15 knots becoming northwest. Sunny. Waves 2 feet or less. .THURSDAY NIGHT...Northwest winds less than 10 knots. Partly cloudy. Waves 1 foot or less. .FRIDAY...East winds 10 knots or less. A chance of showers Friday night. Waves 1 foot or less. .SATURDAY...East winds 10 to 15 knots becoming southeast 15 to 20 knots. Showers likely. Waves 1 to 3 feet. .SUNDAY...Southeast winds 15 to 20 knots becoming south 10 to 15 knots. Showers likely during the day, then a chance of showers Sunday night. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$  434 FZUS53 KMKX 192010 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 310 PM CDT Tue May 19 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-200900- Sheboygan to Port Washington WI- 310 PM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .THROUGH EARLY EVENING...West wind 15 to 20 knots. Mostly cloudy with scattered showers. Waves 2 to 4 feet. .TONIGHT...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 after midnight veering north early in the morning. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...North wind 10 to 15 knots veering northeast late in the morning, then becoming northeast 10 to 15 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Partly sunny in the morning then clearing. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon. .WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. .THURSDAY...Northeast wind 10 to 15 knots. Partly sunny. Waves 1 to 2 feet. $$ LMZ644-200900- Port Washington to North Point Light WI- 310 PM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .THROUGH EARLY EVENING...West wind 15 to 20 knots. Mostly cloudy with isolated showers. Waves 1 to 2 feet. .TONIGHT...Northwest wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then becoming northwest 10 to 15 knots after midnight veering north early in the morning. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...North wind 10 to 15 knots veering northeast late in the morning, then becoming northeast 10 to 15 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Partly sunny. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon. .WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Partly cloudy. Waves 2 to 4 feet. .THURSDAY...Northeast wind 10 to 15 knots. Partly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. $$ LMZ645-200900- North Point Light to Wind Point WI- 310 PM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .THROUGH EARLY EVENING...West wind 15 to 20 knots. Mostly cloudy with isolated showers. Waves 1 to 2 feet. .TONIGHT...Northwest wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then becoming northwest 10 to 15 knots after midnight veering north early in the morning. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...North wind 10 to 15 knots veering northeast late in the morning, then becoming northeast 10 to 15 knots with gusts to around 20 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Partly sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .WEDNESDAY NIGHT...Northeast wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then becoming northeast 10 to 15 knots after midnight rising to 15 to 20 knots early in the morning. Partly cloudy. Waves 3 to 4 feet. .THURSDAY...Northeast wind 10 to 15 knots. Partly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. $$ LMZ646-200900- Wind Point WI to Winthrop Harbor IL- 310 PM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .THROUGH EARLY EVENING...West wind 15 to 20 knots easing to 10 to 15 knots late in the afternoon. Mostly cloudy with isolated showers. Waves 1 to 2 feet. .TONIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots veering north early in the morning. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...North wind 10 to 15 knots veering northeast late in the morning, then becoming northeast 10 to 15 knots with gusts to around 20 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Partly sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .WEDNESDAY NIGHT...Northeast wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then becoming northeast 10 to 15 knots after midnight. Partly cloudy. Waves 3 to 4 feet. .THURSDAY...Northeast wind 10 to 15 knots veering east late in the morning, then backing northeast early in the afternoon becoming northeast 10 to 15 knots with gusts to around 20 knots late in the afternoon. Partly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. $$ See Lake Michigan Open Waters Forecast for Friday through Sunday.  874 FZUS53 KDTX 192039 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 439 PM EDT Tue May 19 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. LHZ422-200445- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 439 PM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING... .REST OF TONIGHT...Southwest winds 20 to 25 knots with gusts to 30 knots becoming northwest 15 to 20 knots in the late evening and overnight. Partly cloudy. Scattered showers late in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .WEDNESDAY...Northwest winds 15 to 20 knots becoming north 10 to 15 knots in the late morning and early afternoon, then becoming northeast 15 to 20 knots early in the afternoon. Partly cloudy becoming mostly sunny in the late morning and early afternoon becoming partly cloudy. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Partly cloudy. Waves 1 to 3 feet. .THURSDAY...Northeast winds 15 to 20 knots. Mostly sunny until late afternoon becoming partly cloudy. Waves 2 to 4 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-200445- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 439 PM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING... .REST OF TONIGHT...Southwest winds 15 to 20 knots veering to the northwest this evening, then diminishing to 10 to 15 knots after midnight. Partly cloudy. Scattered showers late in the afternoon. Waves 2 to 4 feet. .WEDNESDAY...Northwest winds 10 to 15 knots becoming northeast 15 to 20 knots early in the afternoon. Partly cloudy becoming mostly sunny in the late morning and early afternoon becoming partly cloudy. Waves 1 to 3 feet building to 3 to 5 feet early in the afternoon. Waves occasionally around 7 feet. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots becoming north 10 to 15 knots after midnight. Partly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet. .THURSDAY...Northeast winds 15 to 20 knots. Partly cloudy becoming mostly sunny in the late morning and early afternoon becoming partly cloudy. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-200445- Port Austin to Harbor Beach MI- 439 PM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING... .REST OF TONIGHT...Southwest winds 15 to 20 knots veering to the northwest this evening, then diminishing to 10 to 15 knots after midnight. Partly cloudy with isolated showers and thunderstorms late in the afternoon, then mostly cloudy with isolated showers this evening. Mostly cloudy after midnight. Waves 3 to 5 feet. Waves occasionally around 7 feet. .WEDNESDAY...North winds 10 to 15 knots. Partly cloudy becoming mostly sunny in the late morning and early afternoon becoming partly cloudy. Waves 2 to 4 feet. .WEDNESDAY NIGHT...North winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Partly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet. .THURSDAY...Northeast winds 10 to 15 knots. Mostly sunny until late afternoon becoming partly cloudy. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-200445- Harbor Beach to Port Sanilac MI- 439 PM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING... .REST OF TONIGHT...Southwest winds 15 to 20 knots becoming west 10 to 15 knots this evening, then veering to the north after midnight. Partly cloudy late in the afternoon becoming mostly cloudy. Scattered showers and thunderstorms late in the afternoon, then scattered showers and isolated thunderstorms this evening. Some thunderstorms may be severe with damaging winds and large hail late in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. .WEDNESDAY...North winds 10 to 15 knots. Partly cloudy becoming mostly sunny in the late morning and early afternoon becoming partly cloudy. Waves 2 to 4 feet. .WEDNESDAY NIGHT...North winds 10 to 15 knots. Partly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet. .THURSDAY...Northeast winds 10 to 15 knots. Mostly sunny. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-200445- Port Sanilac to Port Huron MI- 439 PM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING... .REST OF TONIGHT...Southwest winds 15 to 20 knots becoming west 10 to 15 knots this evening, then becoming north 15 to 20 knots after midnight. Partly cloudy with scattered showers and thunderstorms this evening, then mostly cloudy with a chance of showers after midnight. Some thunderstorms may be severe with damaging winds and large hail late in the afternoon. Some thunderstorms may produce damaging winds and large hail this evening. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. .WEDNESDAY...North winds 15 to 20 knots. Partly cloudy. Waves 2 to 4 feet. .WEDNESDAY NIGHT...North winds 15 to 20 knots. Mostly cloudy early in the evening becoming partly cloudy. Waves 2 to 4 feet. .THURSDAY...Northeast winds 10 to 15 knots becoming north 15 to 20 knots early in the afternoon. Mostly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-200445- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 439 PM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING... ...SEVERE THUNDERSTORM WATCH 230 IN EFFECT UNTIL 7 PM EDT THIS EVENING... .REST OF TONIGHT...Southwest winds 15 to 20 knots becoming west 10 to 15 knots in the late evening and early morning, then veering to the northwest early in the morning. Partly cloudy with numerous showers and thunderstorms this evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Some thunderstorms may be severe with damaging winds and large hail late in the afternoon. Some thunderstorms may produce damaging winds and large hail this evening. Waves 2 to 4 feet subsiding to 2 feet or less in the late evening and overnight. .WEDNESDAY...North winds 10 to 15 knots becoming northeast 5 to 10 knots early in the afternoon. Mostly cloudy. Waves 2 feet or less. .WEDNESDAY NIGHT...East winds 10 to 15 knots becoming northeast 15 to 20 knots in the late evening and early morning, then diminishing to 10 to 15 knots after midnight. Partly cloudy becoming mostly cloudy in the late evening and early morning becoming partly cloudy. Waves 1 to 3 feet. .THURSDAY...Northeast winds 10 to 15 knots becoming east 15 to 20 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 3 feet. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is missing. $$ CB You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes