634 FZUS53 KGRB 080403 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1103 PM CDT Tue Jul 7 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-081000- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 1103 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...S wind 5 to 10 kts. Waves 2 ft or less. A chance of showers and a slight chance of thunderstorms after midnight. .WEDNESDAY...SW wind 5 to 10 kts backing S early in the afternoon. Waves 2 ft or less. A chance of showers in the morning. A chance of thunderstorms. Showers in the afternoon. .WEDNESDAY NIGHT...SE wind 5 to 10 kts backing N in the late evening and overnight. Waves 2 ft or less. Showers in the evening. A chance of thunderstorms. A chance of showers after midnight. .THURSDAY...NE wind 5 to 10 kts veering E early in the afternoon. Waves 2 ft or less. Mostly cloudy in the morning then becoming partly cloudy. $$ LMZ541>543-081000- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1103 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...S wind 5 to 10 kts. Waves 2 ft or less. A chance of showers and a slight chance of thunderstorms after midnight. .WEDNESDAY...SW wind 5 to 10 kts backing S early in the afternoon. Waves 2 ft or less. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...S wind 5 to 10 kts veering SW, then veering N after midnight. Waves 2 ft or less. Showers and a chance of thunderstorms. .THURSDAY...N wind 5 to 10 kts veering E early in the afternoon. Waves 2 ft or less. A chance of showers. $$ See Lake Michigan Open Lake Forecast for Friday through Sunday.  765 FZUS53 KDLH 080408 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1107 PM CDT Tue Jul 7 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. LSZ140-081000- Grand Portage to Grand Marais MN- 1108 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...West wind 5 to 10 knots becoming northwest toward daybreak. Slight chance of rain showers late in the evening, then chance of rain showers toward daybreak. Waves 1 foot or less. .WEDNESDAY...North wind 5 knots becoming south early in the afternoon, then rising to 5 to 10 knots late in the afternoon. Chance of rain showers in the morning. Waves 1 foot or less. .WEDNESDAY NIGHT...West wind 5 to 10 knots becoming northwest early in the morning. Mostly cloudy. Waves 1 foot or less. .THURSDAY...North wind 5 knots becoming south in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ141-081000- Grand Marais to Taconite Harbor MN- 1108 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...West wind 5 knots becoming north toward daybreak. Chance of rain showers after midnight. Rain showers likely and slight chance of thunderstorms toward daybreak. Waves 1 foot or less. .WEDNESDAY...North wind 5 knots becoming northeast late in the morning, then becoming southeast early in the afternoon becoming south late in the afternoon. Chance of rain showers and slight chance of thunderstorms in the morning, then slight chance of rain showers in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...Variable winds 10 knots or less becoming north 5 knots early in the morning. Mostly cloudy. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less. Mostly sunny. Waves 1 foot or less. $$ LSZ142-081000- Taconite Harbor to Silver Bay Harbor MN- 1108 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...Variable winds 10 knots or less. Chance of rain showers and slight chance of thunderstorms after midnight. Waves 1 foot or less. .WEDNESDAY...Variable winds 10 knots or less. Chance of showers and thunderstorms in the morning, then slight chance of rain showers in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...Variable winds 10 knots or less. Mostly cloudy. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less. Mostly sunny. Waves 1 foot or less. $$ LSZ143-081000- Silver Bay Harbor to Two Harbors MN- 1108 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...East wind 5 knots late in the evening becoming variable 10 knots or less, then becoming north 5 knots toward daybreak. Slight chance of showers and thunderstorms late in the evening. Rain showers likely and chance of thunderstorms after midnight. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 knots becoming east early in the afternoon, then becoming variable 10 knots or less late in the afternoon. Chance of showers and thunderstorms in the morning, then slight chance of rain showers in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...Variable winds 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less. Mostly sunny. Waves 1 foot or less. $$ LSZ144-081000- Two Harbors to Duluth MN- 1108 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...East wind 5 knots becoming northeast after midnight. Slight chance of showers and thunderstorms late in the evening, then rain showers likely and chance of thunderstorms after midnight. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 knots becoming east late in the afternoon. Rain showers likely and chance of thunderstorms in the morning, then slight chance of rain showers in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...Variable winds 10 knots or less. Partly cloudy. Waves 1 foot or less. .THURSDAY...Northeast wind 5 knots becoming east in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ145-081000- Duluth MN to Port Wing WI- 1108 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...East wind 5 knots becoming northeast after midnight. Slight chance of showers and thunderstorms late in the evening, then rain showers likely and chance of thunderstorms after midnight. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 to 10 knots. Chance of thunderstorms in the morning. Chance of rain showers through the day. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ146-081000- Port Wing to Sand Island WI- 1108 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...East wind 5 knots late in the evening becoming variable 10 knots or less, then becoming northeast 5 knots toward daybreak. Slight chance of showers and thunderstorms late in the evening. Rain showers and chance of thunderstorms after midnight. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 knots until late afternoon becoming variable 10 knots or less. Rain showers likely and chance of thunderstorms in the morning, then slight chance of rain showers in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...Variable winds 10 knots or less. Slight chance of rain showers in the evening. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less. Mostly sunny. Waves 1 foot or less. $$ LSZ147-081000- Sand Island to Bayfield WI- 1108 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...Southeast wind 5 knots late in the evening becoming variable 10 knots or less, then becoming north 5 knots toward daybreak. Rain showers likely after midnight. Slight chance of thunderstorms after midnight. Rain showers toward daybreak. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 knots until late afternoon becoming variable 10 knots or less. Rain showers and slight chance of thunderstorms in the morning, then slight chance of rain showers in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...Variable winds 10 knots or less. Slight chance of rain showers in the evening. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less. Mostly sunny. Waves 1 foot or less. $$ LSZ150-081000- Outer Apostle Islands Beyond 5 NM from Mainland- 1108 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...South wind 5 knots becoming north after midnight. Chance of rain showers after midnight. Slight chance of thunderstorms after midnight. Rain showers likely toward daybreak. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 knots becoming east late in the afternoon. Rain showers and slight chance of thunderstorms in the morning, then slight chance of rain showers in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...Variable winds 10 knots or less. Mostly cloudy. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ121-081000- Chequamegon Bay-Bayfield to Oak Point WI- 1108 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...Variable winds 10 knots or less becoming north 5 knots toward daybreak. Chance of showers and slight chance of thunderstorms after midnight. Showers and chance of thunderstorms toward daybreak. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 knots. Rain showers and chance of thunderstorms in the morning, then chance of rain showers in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less. Mostly cloudy. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ148-081000- Oak Point to Saxon Harbor WI- 1108 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...Variable winds 10 knots or less becoming north 5 knots toward daybreak. Chance of rain showers after midnight. Slight chance of thunderstorms after midnight. Rain showers likely toward daybreak. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 knots. Rain showers and slight chance of thunderstorms in the morning, then chance of rain showers in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...Variable winds 10 knots or less. Mostly cloudy. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  133 FZUS53 KMKX 080410 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 1110 PM CDT Tue Jul 7 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-081000- Sheboygan to Port Washington WI- 1110 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...South wind 5 to 10 knots veering southwest early in the morning. Partly cloudy. Waves around 1 foot. .WEDNESDAY...Southwest wind 5 to 10 knots becoming south 10 to 15 knots in the afternoon. Slight chance of showers in the morning, then chance of showers and thunderstorms in the afternoon. Waves around 1 foot. .WEDNESDAY NIGHT...South wind 5 to 15 knots becoming 5 to 10 knots late in the evening, then veering southwest after midnight becoming southwest 5 to 10 knots early in the morning. Showers through around midnight. Chance of thunderstorms through the night. Showers likely after midnight. Waves 1 to 2 feet. .THURSDAY...South wind 5 to 10 knots backing north late in the morning, then veering northeast in the afternoon. Chance of thunderstorms in the morning. Chance of showers through the day. Slight chance of thunderstorms in the afternoon. Waves around 1 foot. $$ LMZ644-081000- Port Washington to North Point Light WI- 1110 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...Southwest wind 5 knots rising to 5 to 10 knots early in the morning. Mostly clear. Waves around 1 foot. .WEDNESDAY...Southwest wind 5 to 10 knots backing south early in the afternoon, then rising to 10 to 15 knots late in the afternoon. Chance of showers and slight chance of thunderstorms in the afternoon. Waves around 1 foot. .WEDNESDAY NIGHT...South wind 5 to 15 knots veering southwest 5 to 10 knots in the late evening and overnight. Chance of showers and thunderstorms. Waves 1 to 2 feet. .THURSDAY...South wind 5 to 10 knots veering northwest late in the morning, then veering northeast early in the afternoon becoming northeast 5 to 10 knots late in the afternoon. Chance of showers and thunderstorms. Waves around 1 foot. $$ LMZ645-081000- North Point Light to Wind Point WI- 1110 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves nearly calm. .WEDNESDAY...Southwest wind 5 to 10 knots backing south early in the afternoon, then rising to 10 to 15 knots late in the afternoon. Sunny in the morning then becoming partly sunny. Waves around 1 foot. .WEDNESDAY NIGHT...South wind 10 to 15 knots becoming southwest 5 to 10 knots in the late evening and overnight. Chance of showers and thunderstorms. Waves around 1 foot. .THURSDAY...Southwest wind 5 to 10 knots veering west late in the morning, then veering northeast early in the afternoon becoming northeast 5 to 10 knots late in the afternoon. Chance of showers in the morning. Chance of thunderstorms through the day. Showers likely in the afternoon. Waves around 1 foot. $$ LMZ646-081000- Wind Point WI to Winthrop Harbor IL- 1110 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...Southwest wind 5 knots rising to 5 to 10 knots early in the morning. Mostly clear. Waves nearly calm. .WEDNESDAY...Southwest wind 5 to 10 knots backing south early in the afternoon, then rising to 10 to 15 knots late in the afternoon. Sunny. Waves around 1 foot. .WEDNESDAY NIGHT...South wind 5 to 15 knots veering southwest 5 to 10 knots late in the evening, then backing south after midnight veering southwest early in the morning. Slight chance of showers through the night. Slight chance of thunderstorms after midnight. Waves around 1 foot. .THURSDAY...Southwest wind 5 to 10 knots veering north in the afternoon. Chance of showers and slight chance of thunderstorms in the morning, then showers likely and a chance of thunderstorms in the afternoon. Waves around 1 foot. $$ See Lake Michigan Open Waters Forecast for Friday through Sunday.MKX-880790  136 FZUS53 KMKX 080410 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 1110 PM CDT Tue Jul 7 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-081000- Sheboygan to Port Washington WI- 1110 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...South wind 5 to 10 knots veering southwest early in the morning. Partly cloudy. Waves around 1 foot. .WEDNESDAY...Southwest wind 5 to 10 knots becoming south 10 to 15 knots in the afternoon. Slight chance of showers in the morning, then chance of showers and thunderstorms in the afternoon. Waves around 1 foot. .WEDNESDAY NIGHT...South wind 5 to 15 knots becoming 5 to 10 knots late in the evening, then veering southwest after midnight becoming southwest 5 to 10 knots early in the morning. Showers through around midnight. Chance of thunderstorms through the night. Showers likely after midnight. Waves 1 to 2 feet. .THURSDAY...South wind 5 to 10 knots backing north late in the morning, then veering northeast in the afternoon. Chance of thunderstorms in the morning. Chance of showers through the day. Slight chance of thunderstorms in the afternoon. Waves around 1 foot. $$ LMZ644-081000- Port Washington to North Point Light WI- 1110 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...Southwest wind 5 knots rising to 5 to 10 knots early in the morning. Mostly clear. Waves around 1 foot. .WEDNESDAY...Southwest wind 5 to 10 knots backing south early in the afternoon, then rising to 10 to 15 knots late in the afternoon. Chance of showers and slight chance of thunderstorms in the afternoon. Waves around 1 foot. .WEDNESDAY NIGHT...South wind 5 to 15 knots veering southwest 5 to 10 knots in the late evening and overnight. Chance of showers and thunderstorms. Waves 1 to 2 feet. .THURSDAY...South wind 5 to 10 knots veering northwest late in the morning, then veering northeast early in the afternoon becoming northeast 5 to 10 knots late in the afternoon. Chance of showers and thunderstorms. Waves around 1 foot. $$ LMZ645-081000- North Point Light to Wind Point WI- 1110 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves nearly calm. .WEDNESDAY...Southwest wind 5 to 10 knots backing south early in the afternoon, then rising to 10 to 15 knots late in the afternoon. Sunny in the morning then becoming partly sunny. Waves around 1 foot. .WEDNESDAY NIGHT...South wind 10 to 15 knots becoming southwest 5 to 10 knots in the late evening and overnight. Chance of showers and thunderstorms. Waves around 1 foot. .THURSDAY...Southwest wind 5 to 10 knots veering west late in the morning, then veering northeast early in the afternoon becoming northeast 5 to 10 knots late in the afternoon. Chance of showers in the morning. Chance of thunderstorms through the day. Showers likely in the afternoon. Waves around 1 foot. $$ LMZ646-081000- Wind Point WI to Winthrop Harbor IL- 1110 PM CDT Tue Jul 7 2026 .REST OF TONIGHT...Southwest wind 5 knots rising to 5 to 10 knots early in the morning. Mostly clear. Waves nearly calm. .WEDNESDAY...Southwest wind 5 to 10 knots backing south early in the afternoon, then rising to 10 to 15 knots late in the afternoon. Sunny. Waves around 1 foot. .WEDNESDAY NIGHT...South wind 5 to 15 knots veering southwest 5 to 10 knots late in the evening, then backing south after midnight veering southwest early in the morning. Slight chance of showers through the night. Slight chance of thunderstorms after midnight. Waves around 1 foot. .THURSDAY...Southwest wind 5 to 10 knots veering north in the afternoon. Chance of showers and slight chance of thunderstorms in the morning, then showers likely and a chance of thunderstorms in the afternoon. Waves around 1 foot. $$ See Lake Michigan Open Waters Forecast for Friday through Sunday.