021 FZUS53 KMKX 200010 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 710 PM CDT Tue May 19 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-200400- Sheboygan to Port Washington WI- 710 PM CDT Tue May 19 2026 .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. $$ LMZ644-200400- Port Washington to North Point Light WI- 710 PM CDT Tue May 19 2026 .TONIGHT...Northwest wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then becoming northwest 10 to 15 knots after midnight veering north early in the morning. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...North wind 10 to 15 knots veering northeast late in the morning, then becoming northeast 10 to 15 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Partly sunny. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon. .WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Partly cloudy. Waves 2 to 4 feet. .THURSDAY...Northeast wind 10 to 15 knots. Partly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. $$ LMZ645-200400- North Point Light to Wind Point WI- 710 PM CDT Tue May 19 2026 .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. $$ LMZ646-200400- Wind Point WI to Winthrop Harbor IL- 710 PM CDT Tue May 19 2026 .TONIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots veering north early in the morning. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...North wind 10 to 15 knots veering northeast late in the morning, then becoming northeast 10 to 15 knots with gusts to around 20 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Partly sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .WEDNESDAY NIGHT...Northeast wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then becoming northeast 10 to 15 knots after midnight. Partly cloudy. Waves 3 to 4 feet. .THURSDAY...Northeast wind 10 to 15 knots veering east late in the morning, then backing northeast early in the afternoon becoming northeast 10 to 15 knots with gusts to around 20 knots late in the afternoon. Partly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. $$ See Lake Michigan Open Waters Forecast for Friday through Sunday.  607 FZUS51 KCLE 200023 NSHCLE Nearshore Marine Forecast National Weather Service Cleveland OH 823 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. LEZ142>144-200215- Maumee Bay to Reno Beach OH-Reno Beach to The Islands OH- The Islands to Vermilion OH- 823 PM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING... .TONIGHT...Southwest winds 15 to 20 knots becoming northwest 10 to 15 knots. Showers with a chance of thunderstorms early, then a chance of showers and thunderstorms after midnight. A chance of showers late. Waves 1 to 3 feet. .WEDNESDAY...North winds 5 to 15 knots becoming northeast. A slight chance of showers in the morning. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots increasing to 15 to 20 knots. Mostly cloudy. Waves 1 to 3 feet building to 2 to 4 feet. .THURSDAY...Northeast winds 15 to 20 knots. Mostly sunny. Waves 2 to 4 feet building to 3 to 5 feet. Waves occasionally around 6 feet. Winds and waves higher in and near thunderstorms. See Lake Erie open lakes forecast for Friday through Sunday. The water temperature off Toledo is 60 degrees, off Cleveland 55 degrees, and off Erie 58 degrees. $$ LEZ145-200215- Vermilion to Avon Point OH- 823 PM EDT Tue May 19 2026 ...SEVERE THUNDERSTORM WATCH 230 IN EFFECT UNTIL 10 PM EDT THIS EVENING... .TONIGHT...Southwest winds 15 to 20 knots becoming northwest 10 to 15 knots. Showers with a chance of thunderstorms early, then showers likely with a chance of thunderstorms after midnight. A chance of showers with a slight chance of thunderstorms late. Some thunderstorms may be severe with damaging winds and large hail early. Waves 1 to 3 feet. .WEDNESDAY...North winds 10 to 15 knots becoming northeast. A slight chance of showers. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots increasing to 15 to 20 knots. Mostly cloudy. Waves 1 to 3 feet building to 2 to 4 feet. .THURSDAY...Northeast winds 15 to 20 knots. Mostly sunny. Waves 2 to 4 feet building to 3 to 5 feet. Waves occasionally around 6 feet. Winds and waves higher in and near thunderstorms. See Lake Erie open lakes forecast for Friday through Sunday. The water temperature off Toledo is 60 degrees, off Cleveland 55 degrees, and off Erie 58 degrees. $$ LEZ146-147-200215- Avon Point to Willowick OH-Willowick to Geneva-on-the Lake OH- 823 PM EDT Tue May 19 2026 .TONIGHT...Southwest winds 10 to 15 knots becoming northwest. Showers with a chance of thunderstorms early, then showers likely with a slight chance of thunderstorms late. Waves 1 to 3 feet. .WEDNESDAY...North winds 10 to 15 knots. A chance of showers in the morning. Waves 2 to 3 feet. .WEDNESDAY NIGHT...North winds 10 to 15 knots becoming northeast. Mostly cloudy. Waves 2 to 3 feet. .THURSDAY...Northeast winds 10 to 15 knots increasing to 15 to 20 knots. Mostly sunny. Waves 2 to 4 feet building to 3 to 5 feet. Waves occasionally around 6 feet. Winds and waves higher in and near thunderstorms. See Lake Erie open lakes forecast for Friday through Sunday. The water temperature off Toledo is 60 degrees, off Cleveland 55 degrees, and off Erie 58 degrees. $$ LEZ148-149-200215- Geneva-on-the-Lake to Conneaut OH-Conneaut OH to Ripley NY- 823 PM EDT Tue May 19 2026 .TONIGHT...Southwest winds 10 to 15 knots becoming west. Showers with a chance of thunderstorms early, then showers likely with a slight chance of thunderstorms late. Waves 1 to 3 feet. .WEDNESDAY...Northwest winds 5 to 15 knots. A chance of showers in the morning. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northwestwinds 10 to 15 knots becoming northeast. Mostly cloudy. Waves 2 feet or less. .THURSDAY...Northeast winds 10 to 15 knots increasing to 15 to 20 knots. Mostly sunny. Waves 1 to 3 feet building to 2 to 4 feet. Winds and waves higher in and near thunderstorms. See Lake Erie open lakes forecast for Friday through Sunday. The water temperature off Toledo is 60 degrees, off Cleveland 55 degrees, and off Erie 58 degrees. $$  147 FZUS53 KDLH 200032 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 732 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. LSZ140-201000- Grand Portage to Grand Marais MN- 732 PM CDT Tue May 19 2026 .REST OF TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles 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. Mostly sunny. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Southwest wind 5 to 10 knots. Clear. Waves 1 to 2 feet. .THURSDAY...South wind 5 to 10 knots. Sunny. Waves 1 foot or less. $$ LSZ141-201000- Grand Marais to Taconite Harbor MN- 732 PM CDT Tue May 19 2026 .REST OF TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind 5 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...South wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northeast 5 knots early in the morning. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 5 knots becoming southeast in the late morning and afternoon. Sunny. Waves 1 foot or less. $$ LSZ142-201000- Taconite Harbor to Silver Bay Harbor MN- 732 PM CDT Tue May 19 2026 .REST OF TONIGHT...West wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. 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. $$ LSZ143-201000- Silver Bay Harbor to Two Harbors MN- 732 PM CDT Tue May 19 2026 .REST OF TONIGHT...West wind 5 to 10 knots. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots becoming south in the late morning and early afternoon, then becoming southeast late in the afternoon. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots becoming northeast after midnight. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ144-201000- Two Harbors to Duluth MN- 732 PM CDT Tue May 19 2026 .REST OF TONIGHT...West wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. 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. $$ LSZ145-201000- Duluth MN to Port Wing WI- 732 PM CDT Tue May 19 2026 .REST OF TONIGHT...West wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...East wind 5 to 10 knots. Sunny. Waves 1 foot or less. $$ LSZ146-201000- Port Wing to Sand Island WI- 732 PM CDT Tue May 19 2026 .REST OF TONIGHT...West wind 5 to 10 knots. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots becoming east in the afternoon. Mostly 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. $$ LSZ147-201000- Sand Island to Bayfield WI- 732 PM CDT Tue May 19 2026 .REST OF TONIGHT...West wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots becoming southeast in the afternoon. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Southeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Southeast wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ150-201000- Outer Apostle Islands Beyond 5 NM from Mainland- 732 PM CDT Tue May 19 2026 .REST OF TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. Waves 1 to 3 feet. .WEDNESDAY...Northwest wind 5 knots becoming southeast in the afternoon. Mostly 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. $$ LSZ121-201000- Chequamegon Bay-Bayfield to Oak Point WI- 732 PM CDT Tue May 19 2026 .REST OF TONIGHT...West wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. Waves 1 foot or less. .WEDNESDAY...Northwest wind 5 knots becoming east in the afternoon. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots becoming south after midnight. Mostly clear. Waves 1 foot or less. .THURSDAY...South wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ148-201000- Oak Point to Saxon Harbor WI- 732 PM CDT Tue May 19 2026 .REST OF TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. Waves 1 to 3 feet. .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. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH