631 FZUS53 KMKX 171611 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 1111 AM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-172200- Sheboygan to Port Washington WI- 1111 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .REST OF TODAY...South wind 15 to 20 knots becoming 15 to 25 knots late in the afternoon. Areas of dense fog early in the afternoon. thunderstorms likely and slight chance of showers late in the afternoon. Waves 3 to 5 feet. .TONIGHT...South wind 15 to 25 knots veering southwest 15 to 20 knots after midnight, then veering west early in the morning. Gusts up to 30 knots. Patchy fog through the night. showers and thunderstorms through around midnight. Rain showers likely and a chance of thunderstorms after midnight. Waves 5 to 7 feet subsiding to 4 to 6 feet after midnight, then subsiding to 3 to 5 feet early in the morning. .SATURDAY...Northwest wind 15 to 25 knots easing to 10 to 20 knots late in the morning, then backing west in the afternoon. Gusts up to 30 knots. Mostly cloudy in the morning then becoming mostly sunny. Waves 3 to 4 feet subsiding to 1 to 3 feet late in the afternoon. .SATURDAY NIGHT...West wind 15 to 25 knots becoming 15 to 20 knots late in the evening, then easing to 10 to 15 knots after midnight becoming west 10 to 15 knots early in the morning. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. $$ LMZ644-172200- Port Washington to North Point Light WI- 1111 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .REST OF TODAY...South wind 15 to 20 knots with gusts to around 25 knots. Patchy dense fog early in the afternoon. showers and thunderstorms likely late in the afternoon. Waves 3 to 5 feet. .TONIGHT...South wind 15 to 20 knots veering west early in the morning. Gusts up to 25 knots. Patchy fog through the night. showers and thunderstorms through around midnight. Rain showers likely and a chance of thunderstorms after midnight. Waves 4 to 6 feet subsiding to 3 to 5 feet after midnight. .SATURDAY...Northwest wind 15 to 25 knots becoming west 10 to 20 knots in the afternoon. Mostly cloudy in the morning then becoming mostly sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. .SATURDAY NIGHT...West wind 15 to 25 knots becoming 15 to 20 knots late in the evening, then becoming west 15 to 20 knots after midnight easing to 10 to 15 knots early in the morning. Partly cloudy through around midnight then clearing. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. $$ LMZ645-172200- North Point Light to Wind Point WI- 1111 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .REST OF TODAY...Southeast wind 15 to 20 knots with gusts to around 25 knots. Patchy dense fog early in the afternoon. thunderstorms likely and slight chance of showers late in the afternoon. Waves 3 to 4 feet. .TONIGHT...South wind 15 to 20 knots becoming 10 to 20 knots late in the evening, then veering southwest 10 to 15 knots after midnight becoming west 15 to 20 knots early in the morning. Gusts up to 25 knots. Patchy fog through the night. thunderstorms through around midnight. Rain showers through the night. Chance of thunderstorms after midnight. Waves 3 to 5 feet subsiding to 3 to 4 feet in the late evening and overnight. .SATURDAY...Northwest wind 15 to 25 knots easing to 10 to 20 knots late in the morning, then backing west 15 to 20 knots in the afternoon. Mostly cloudy in the morning then becoming mostly sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet late in the afternoon. .SATURDAY NIGHT...West wind 15 to 20 knots easing to 10 to 15 knots after midnight, then becoming west 10 to 15 knots early in the morning. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. $$ LMZ646-172200- Wind Point WI to Winthrop Harbor IL- 1111 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .REST OF TODAY...Southeast wind 15 to 20 knots with gusts to around 25 knots. Patchy dense fog early in the afternoon. slight chance of showers and thunderstorms late in the afternoon. Waves 1 to 3 feet building to 3 to 4 feet late in the afternoon. .TONIGHT...South wind 15 to 20 knots easing to 10 to 15 knots after midnight, then becoming west 15 to 20 knots early in the morning. Gusts up to 25 knots. Patchy fog through the night. thunderstorms through around midnight. Rain showers through the night. Chance of thunderstorms after midnight. Waves 4 to 6 feet subsiding to 3 to 4 feet in the late evening and overnight. .SATURDAY...Northwest wind 15 to 20 knots backing west in the afternoon. Gusts up to 25 knots. Mostly cloudy in the morning then clearing. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. .SATURDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots easing to 10 to 15 knots after midnight, then becoming west 10 to 15 knots early in the morning. Partly cloudy through around midnight then becoming clear. Waves 1 to 2 feet. $$ See Lake Michigan Open Waters Forecast for Sunday through Tuesday.  731 FZUS53 KGRB 171617 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1116 AM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Michigan LMZ522-172200- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 1116 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .THIS AFTERNOON...S wind 15 to 25 kts. Waves 2 ft or less building to 2 to 4 ft in the afternoon. A chance of showers and thunderstorms in the afternoon. .TONIGHT...S wind 15 to 25 kts veering SW 10 to 15 kts, then veering NW 10 to 20 kts after midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. Patchy fog. showers and a chance of thunderstorms in the evening. A chance of showers after midnight. .SATURDAY...W wind 15 to 25 kts. Waves 1 to 3 ft. Partly cloudy. A Small Craft Advisory may be needed. .SATURDAY NIGHT...W wind 10 to 20 kts. Waves 1 to 3 ft. Mostly clear. $$ LMZ521-172200- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- 1116 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .THIS AFTERNOON...S wind 10 to 15 kts increasing to 15 to 25 kts early in the afternoon. Waves 2 ft or less building to 2 to 4 ft in the afternoon. Patchy fog. a chance of showers and thunderstorms in the afternoon. .TONIGHT...S wind 15 to 25 kts veering NW 10 to 20 kts after midnight. Waves 2 to 4 ft. Patchy fog. showers and a chance of thunderstorms in the evening. A chance of showers after midnight. .SATURDAY...W wind 10 to 20 kts. Waves 1 to 3 ft. Partly cloudy. .SATURDAY NIGHT...NW wind 10 to 20 kts. Waves 1 to 3 ft. Partly cloudy. $$ LMZ541-172200- Rock Island Passage to Sturgeon Bay WI- 1116 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH SATURDAY MORNING... .THIS AFTERNOON...S wind 10 to 15 kts increasing to 15 to 25 kts early in the afternoon. Waves 1 to 3 ft building to 3 to 5 ft in the afternoon. Patchy dense fog. .TONIGHT...S wind 15 to 25 kts veering W after midnight. Waves 4 to 7 ft. Patchy dense fog. showers in the evening. A chance of thunderstorms. A chance of showers after midnight. .SATURDAY...W wind 10 to 15 kts. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. Areas of dense fog in the morning. . .SATURDAY NIGHT...NW wind 10 to 20 kts. Waves 1 to 3 ft. Partly cloudy. $$ LMZ542-543-172200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1116 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH SATURDAY MORNING... .THIS AFTERNOON...S wind 15 to 25 kts. Waves 1 to 3 ft building to 4 to 7 ft in the afternoon. Patchy fog. a slight chance of showers and thunderstorms in the afternoon. .TONIGHT...S wind 15 to 25 kts veering W after midnight. Waves 4 to 7 ft. Patchy fog. showers and a chance of thunderstorms in the evening. A chance of showers after midnight. .SATURDAY...W wind 15 to 25 kts. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. Partly cloudy. .SATURDAY NIGHT...W wind 15 to 25 kts decreasing to 10 to 15 kts in the late evening and overnight. Waves 1 to 3 ft. Mostly clear. A Small Craft Advisory may be needed. $$ See Lake Michigan Open Lake Forecast for Sunday through Tuesday. Wave height forecast is for ice free areas.  592 FZUS53 KGRB 171651 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1151 AM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Michigan LMZ522-172200- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 1151 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .THIS AFTERNOON...S wind 15 to 25 kts. Waves 2 ft or less building to 2 to 4 ft in the afternoon. A chance of showers and thunderstorms in the afternoon. .TONIGHT...S wind 15 to 25 kts veering SW 10 to 15 kts, then veering NW 10 to 20 kts after midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. Patchy fog. showers and a chance of thunderstorms in the evening. A chance of showers after midnight. .SATURDAY...W wind 15 to 25 kts. Waves 1 to 3 ft. Partly cloudy. A Small Craft Advisory may be needed. .SATURDAY NIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Mostly clear. $$ LMZ521-172200- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- 1151 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .THIS AFTERNOON...S wind 10 to 15 kts increasing to 15 to 25 kts early in the afternoon. Waves 2 ft or less building to 2 to 4 ft in the afternoon. Patchy dense fog. a chance of showers and thunderstorms in the afternoon. .TONIGHT...S wind 15 to 25 kts veering NW 10 to 20 kts after midnight. Waves 2 to 4 ft. Patchy fog. a chance of thunderstorms in the evening. Rain showers. .SATURDAY...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .SATURDAY NIGHT...NW wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. $$ LMZ541-172200- Rock Island Passage to Sturgeon Bay WI- 1151 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH SATURDAY MORNING... .THIS AFTERNOON...S wind 10 to 15 kts increasing to 15 to 25 kts early in the afternoon. Waves 1 to 3 ft building to 3 to 5 ft in the afternoon. Patchy dense fog. .TONIGHT...S wind 15 to 25 kts veering NW after midnight. Waves 4 to 7 ft. Patchy dense fog. showers and a chance of thunderstorms in the evening. A chance of showers after midnight. .SATURDAY...NW wind 15 to 25 kts backing W 10 to 15 kts in the late morning and afternoon. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. Areas of dense fog in the morning. .SATURDAY NIGHT...NW wind 10 to 20 kts. Waves 1 to 3 ft. Partly cloudy. $$ LMZ542-543-172200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1151 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH SATURDAY MORNING... .THIS AFTERNOON...S wind 15 to 25 kts. Waves 1 to 3 ft building to 4 to 7 ft in the afternoon. Patchy dense fog. a chance of showers and a slight chance of thunderstorms in the afternoon. .TONIGHT...S wind 15 to 25 kts veering W after midnight. Gusts to 35 kts. Waves 4 to 7 ft. Patchy fog. showers and a chance of thunderstorms in the evening. A slight chance of showers after midnight. .SATURDAY...W wind 15 to 25 kts. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. Partly cloudy in the morning then clearing. .SATURDAY NIGHT...W wind 15 to 25 kts decreasing to 10 to 15 kts in the late evening and overnight. Waves 1 to 3 ft. Mostly clear. A Small Craft Advisory may be needed. $$ See Lake Michigan Open Lake Forecast for Sunday through Tuesday. Wave height forecast is for ice free areas.