555 FZUS53 KGRB 171324 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 824 AM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-171600- 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- 824 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...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 W 10 to 20 kts after midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. Rain showers and a chance of thunderstorms in the evening, then a slight 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...NW wind 10 to 20 kts. Waves 1 to 3 ft. Partly cloudy. $$ LMZ541-171600- Rock Island Passage to Sturgeon Bay WI- 824 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH SATURDAY MORNING... .TODAY...S wind 10 to 15 kts increasing to 15 to 25 kts early in the afternoon. Waves 1 to 3 ft building to 3 to 5 ft in the afternoon. Patchy dense fog. .TONIGHT...S wind 15 to 25 kts veering W after midnight. Waves 4 to 7 ft. Rain showers and a chance of thunderstorms in the evening, then a chance of showers after midnight. .SATURDAY...W wind 10 to 15 kts. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. Partly cloudy. .SATURDAY NIGHT...NW wind 10 to 20 kts. Waves 1 to 3 ft. Partly cloudy. $$ LMZ542-543-171600- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 824 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH SATURDAY MORNING... .TODAY...S wind 10 to 15 kts increasing to 15 to 25 kts in the late morning and afternoon. Waves 1 to 3 ft building to 4 to 7 ft in the afternoon. Patchy dense fog. a slight chance of showers and thunderstorms in the afternoon. .TONIGHT...S wind to 30 kts veering W 15 to 25 kts after midnight. Waves 5 to 8 ft subsiding to 4 to 7 ft after midnight. Rain showers and a chance of thunderstorms in the evening, then 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. $$ See Lake Michigan Open Lake Forecast for Sunday through Tuesday. Wave height forecast is for ice free areas.  583 FZUS51 KCLE 171335 NSHCLE Nearshore Marine Forecast National Weather Service Cleveland OH 935 AM EDT Fri Apr 17 2026 For waters within five nautical miles of shore Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LEZ142>144-172015- Maumee Bay to Reno Beach OH-Reno Beach to The Islands OH- The Islands to Vermilion OH- 935 AM EDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .REST OF TODAY...East winds 10 knots or less. Widespread dense fog late this morning, then patchy fog early this afternoon. Waves 1 foot or less. .TONIGHT...East winds 5 to 15 knots becoming south 15 to 20 knots. A chance of showers and thunderstorms overnight. Waves 2 feet or less. .SATURDAY...South winds 15 to 20 knots becoming west. Showers with a chance of thunderstorms in the morning, then showers in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...West winds 15 to 20 knots becoming northwest. A chance of showers. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. See Lake Erie open lakes forecast for Sunday through Tuesday. The water temperature off Toledo is 54 degrees, off Cleveland 46 degrees, and off Erie 49 degrees. $$ LEZ145>149-172015- Vermilion to Avon Point OH-Avon Point to Willowick OH- Willowick to Geneva-on-the Lake OH-Geneva-on-the- Lake to Conneaut OH-Conneaut OH to Ripley NY- 935 AM EDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .REST OF TODAY...North winds less than 10 knots becoming northeast. Widespread dense fog late this morning, then patchy fog early this afternoon. Waves 1 foot or less. .TONIGHT...Northeast winds 5 to 15 knots becoming south. Mostly cloudy in the evening, then becoming partly cloudy. Waves 2 feet or less. .SATURDAY...South winds 15 to 20 knots becoming southwest. Showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...West winds 15 to 20 knots becoming northwest. Rain showers in the evening, then a chance of rain showers overnight. Waves 2 to 4 feet. Winds and waves higher in and near thunderstorms. See Lake Erie open lakes forecast for Sunday through Tuesday. The water temperature off Toledo is 54 degrees, off Cleveland 46 degrees, and off Erie 49 degrees. $$  985 FZUS53 KAPX 171346 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 946 AM EDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lakes Huron... Michigan and Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ321-172200- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 946 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .TODAY...Southeast wind 10 to 20 knots. Patchy fog in the late morning. Waves 2 feet or less building to 2 to 4 feet in the afternoon. .TONIGHT...Southeast wind 15 to 25 knots. Rain and a chance of thunderstorms. Waves 3 to 5 feet. .SATURDAY...Northwest wind 15 to 25 knots. Scattered rain and snow showers. Waves 6 to 9 feet. .SATURDAY NIGHT...Northwest wind 15 to 25 knots. Mostly cloudy. Waves 6 to 9 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LSZ322-172200- St. Marys River Point Iroquois to E. Potagannissing Bay- 946 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .TODAY...Southeast wind 10 to 20 knots. Patchy fog in the late morning. .TONIGHT...Southeast wind 15 to 20 knots. Rain and a chance of thunderstorms. .SATURDAY...Northwest wind 15 to 25 knots. Scattered rain and snow showers. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Mostly cloudy. Winds higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ341-172200- Seul Choix Point to 5NM West of Mackinac Bridge- 946 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .TODAY...Southeast wind 10 to 20 knots. Patchy fog in the late morning. Waves 2 feet or less. .TONIGHT...South wind 10 to 20 knots. Rain and a chance of thunderstorms. Waves 3 to 5 feet. .SATURDAY...Northwest wind 10 to 20 knots. Scattered rain and snow showers. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 10 to 20 knots. Mostly cloudy. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ342-172200- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 946 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .TODAY...Southeast wind 10 to 20 knots. Mostly sunny. Waves 2 feet or less. .TONIGHT...South wind 10 to 20 knots. Rain and a chance of thunderstorms. Waves 2 to 4 feet. .SATURDAY...West wind 10 to 20 knots. Scattered rain and snow showers. Waves 2 to 4 feet. .SATURDAY 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. $$ LMZ323-172200- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 946 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .TODAY...Southeast wind 10 to 20 knots. Sunny. Waves 2 feet or less. .TONIGHT...South wind 10 to 20 knots. Rain and a chance of thunderstorms. Waves 2 to 4 feet. .SATURDAY...West wind 10 to 20 knots. Scattered rain and snow showers. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 10 to 20 knots. Mostly cloudy. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ344-172200- Sleeping Bear Point to Grand Traverse Light MI- 946 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .TODAY...Southeast wind 15 to 20 knots. Sunny. Waves 2 feet or less. .TONIGHT...South wind 10 to 20 knots. Rain and a chance of thunderstorms. Waves 2 to 4 feet. .SATURDAY...West wind 10 to 20 knots. Scattered rain and snow showers. Waves 2 to 4 feet. .SATURDAY 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. $$ LMZ345-172200- Point Betsie to Sleeping Bear Point MI- 946 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .TODAY...South wind 5 to 10 knots rising to 10 to 15 knots in the afternoon. Mostly sunny. Waves 2 feet or less. .TONIGHT...South wind 10 to 20 knots. Rain and a chance of thunderstorms. Waves 2 to 4 feet. .SATURDAY...West wind 10 to 15 knots. Scattered snow showers. Waves 3 to 5 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ346-172200- Manistee to Point Betsie MI- 946 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .TODAY...South wind 15 to 20 knots. Mostly sunny. Waves 2 feet or less. .TONIGHT...South wind 15 to 25 knots. Rain and a chance of thunderstorms. Waves 3 to 5 feet. .SATURDAY...West wind 10 to 20 knots. Scattered snow showers. Waves 3 to 5 feet. .SATURDAY NIGHT...Northwest wind 10 to 20 knots. Partly 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. $$ LHZ345-172200- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- 946 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .TODAY...East wind 10 to 15 knots becoming 10 to 20 knots in the afternoon. Patchy fog in the late morning. Waves 2 feet or less building to 2 to 4 feet in the afternoon. .TONIGHT...South wind 10 to 20 knots. Rain and a chance of thunderstorms. Waves 3 to 5 feet. .SATURDAY...West wind 10 to 20 knots. Scattered rain and snow showers. Waves 2 to 3 feet. .SATURDAY NIGHT...Northwest wind 10 to 20 knots. Mostly cloudy. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ346-172200- St Ignace to False Detour Channel- 946 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .TODAY...East wind 10 to 20 knots. Patchy fog in the late morning. Waves 2 feet or less building to 3 to 5 feet in the afternoon. .TONIGHT...Southeast wind 15 to 25 knots. Rain and a chance of thunderstorms. Waves 5 to 8 feet. .SATURDAY...Northwest wind 10 to 20 knots. Scattered rain and snow showers. Waves 4 to 7 feet. .SATURDAY 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. $$ LHZ347-172200- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 946 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .TODAY...East wind 10 to 20 knots. Patchy fog in the late morning. Waves 2 feet or less building to 3 to 5 feet in the afternoon. .TONIGHT...Southeast wind 10 to 20 knots. Rain likely and a chance of thunderstorms. Waves 4 to 6 feet. .SATURDAY...West wind 10 to 20 knots. Scattered rain and snow showers. Waves 4 to 6 feet. .SATURDAY NIGHT...Northwest wind 15 to 25 knots. Mostly cloudy. Waves 4 to 6 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ348-172200- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 946 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .TODAY...Southeast wind 10 to 15 knots. Patchy fog in the late morning. Waves 2 feet or less building to 2 to 3 feet in the afternoon. .TONIGHT...South wind 15 to 25 knots. Rain likely and a chance of thunderstorms. Waves 5 to 8 feet. .SATURDAY...West wind 10 to 20 knots. Numerous showers and scattered snow showers. Waves 4 to 7 feet. .SATURDAY NIGHT...Northwest wind 10 to 20 knots. Partly cloudy. Waves 4 to 6 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ349-172200- Sturgeon Pt to Alabaster MI- 946 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .TODAY...Southeast wind 10 to 15 knots. Patchy fog in the late morning. Waves 2 feet or less. .TONIGHT...South wind 15 to 25 knots. Rain likely and a chance of thunderstorms. Waves 4 to 6 feet. .SATURDAY...West wind 15 to 25 knots. Numerous showers. Waves 4 to 6 feet. .SATURDAY NIGHT...Northwest wind 10 to 20 knots. Partly cloudy. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ MJG  887 FZUS53 KGRB 171346 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 846 AM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Michigan LMZ522-171600- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 846 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...S wind 5 to 10 kts increasing to 15 to 25 kts in the late morning and afternoon. Waves 2 ft or less building to 2 to 4 ft in the afternoon. Patchy dense fog in the morning. a chance of showers and thunderstorms in the afternoon. .TONIGHT...S wind 15 to 25 kts veering W 10 to 20 kts after midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. Rain showers and a chance of thunderstorms in the evening, then 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. $$ LMZ521-171600- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- 846 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...S wind 10 to 15 kts increasing to 15 to 25 kts early in the afternoon. Waves 2 ft or less building to 2 to 4 ft in the afternoon. Patchy dense fog. a chance of showers and thunderstorms in the afternoon. .TONIGHT...S wind 15 to 25 kts veering W 10 to 20 kts after midnight. Waves 2 to 4 ft. Rain showers and a chance of thunderstorms in the evening, then a chance of showers after midnight. .SATURDAY...W wind 10 to 20 kts. Waves 1 to 3 ft. Partly cloudy. .SATURDAY NIGHT...NW wind 10 to 20 kts. Waves 1 to 3 ft. Partly cloudy. $$ LMZ541-171600- Rock Island Passage to Sturgeon Bay WI- 846 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH SATURDAY MORNING... .TODAY...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. Rain showers and a chance of thunderstorms in the evening, then 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. Partly cloudy. .SATURDAY NIGHT...NW wind 10 to 20 kts. Waves 1 to 3 ft. Partly cloudy. $$ LMZ542-543-171600- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 846 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH SATURDAY MORNING... .TODAY...S wind 10 to 15 kts increasing to 15 to 25 kts in the late morning and afternoon. Waves 1 to 3 ft building to 4 to 7 ft in the afternoon. Patchy dense fog. a slight chance of showers and thunderstorms in the afternoon. .TONIGHT...S wind to 30 kts veering W 15 to 25 kts after midnight. Waves 5 to 8 ft subsiding to 4 to 7 ft after midnight. Rain showers and a chance of thunderstorms in the evening, then a chance of showers after midnight. .SATURDAY...W wind 15 to 25 kts. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. Partly cloudy. .SATURDAY NIGHT...W wind 15 to 25 kts decreasing to 10 to 15 kts in the late evening and overnight. Waves 1 to 3 ft. Mostly clear. A Small Craft Advisory may be needed. $$ See Lake Michigan Open Lake Forecast for Sunday through Tuesday. Wave height forecast is for ice free areas.  694 FZUS53 KDTX 171359 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 959 AM EDT Fri Apr 17 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. LHZ422-172200- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 959 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY EVENING... .REST OF TODAY...Light and variable winds becoming east 5 to 10 knots in the afternoon. Partly cloudy. Areas of fog late in the morning. Waves 2 feet or less. .TONIGHT...Southeast winds 15 to 20 knots becoming south 20 to 25 knots with gusts to 30 knots in the late evening and overnight. Partly cloudy until early morning, then showers and a chance of thunderstorms after midnight. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally around 7 feet. .SATURDAY...South winds 20 to 25 knots with gusts to 30 knots veering to the west with gusts to 30 knots in the late morning and afternoon. Becoming partly cloudy early in the afternoon. Rain showers and a chance of thunderstorms early in the morning, then showers likely in the late morning and early afternoon. A chance of showers early in the afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet. .SATURDAY NIGHT...West winds 20 to 25 knots diminishing to 15 to 20 knots after midnight. Partly cloudy. A chance of showers early in the evening. Waves 2 to 4 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-172200- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 959 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY EVENING... .REST OF TODAY...Light and variable winds becoming east 10 to 15 knots. Partly cloudy. Areas of fog late in the morning. Waves 2 feet or less. .TONIGHT...Southeast winds 15 to 20 knots becoming south 20 to 25 knots with gusts to 30 knots in the late evening and overnight. Partly cloudy until early morning, then mostly cloudy with showers likely and a chance of thunderstorms after midnight. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally around 7 feet. .SATURDAY...Southwest winds 20 to 25 knots with gusts to 30 knots becoming west 15 to 20 knots early in the afternoon. Becoming partly cloudy early in the afternoon. Rain showers and a slight chance of thunderstorms early in the morning, then showers likely in the late morning and early afternoon. A chance of showers early in the afternoon. Waves 3 to 5 feet. Waves occasionally around 6 feet. .SATURDAY NIGHT...West winds 15 to 20 knots. Partly cloudy. A chance of showers early in the evening. Waves 3 to 5 feet. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-172200- Port Austin to Harbor Beach MI- 959 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON... .REST OF TODAY...Light and variable winds becoming southeast 10 to 15 knots. Mostly cloudy late in the morning becoming partly cloudy. Areas of fog late in the morning. Waves 2 feet or less. .TONIGHT...Southeast winds 15 to 20 knots becoming south 20 to 25 knots with gusts to 30 knots in the late evening and overnight. Partly cloudy until early morning, then mostly cloudy with a chance of showers and thunderstorms after midnight. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally around 7 feet. .SATURDAY...South winds 20 to 25 knots becoming west 15 to 20 knots in the late morning and afternoon. Becoming partly cloudy early in the afternoon. A chance of thunderstorms early in the morning. Rain showers until late afternoon, then a chance of showers early in the afternoon. Waves 4 to 6 feet. Waves occasionally around 8 feet. .SATURDAY NIGHT...Northwest winds 15 to 20 knots. Partly cloudy. A chance of showers 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. $$ LHZ442-172200- Harbor Beach to Port Sanilac MI- 959 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON... .REST OF TODAY...Light and variable winds becoming southeast 5 to 10 knots in the afternoon. Mostly cloudy late in the morning becoming partly cloudy. Areas of fog late in the morning. Waves 2 feet or less. .TONIGHT...Southeast winds 10 to 15 knots becoming south 20 to 25 knots. Partly cloudy until early morning, then mostly cloudy with a chance of showers and thunderstorms after midnight. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally around 7 feet. .SATURDAY...South winds 20 to 25 knots with gusts to 30 knots becoming southwest 15 to 20 knots in the late morning and early afternoon, then veering to the west early in the afternoon. A chance of thunderstorms early in the morning. Rain showers until late afternoon, then a chance of showers early in the afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. Waves occasionally around 8 feet. .SATURDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Partly cloudy. A chance of showers early in the evening. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-172200- Port Sanilac to Port Huron MI- 959 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON... .REST OF TODAY...Light and variable winds becoming southeast 5 to 10 knots late in the afternoon. Mostly cloudy late in the morning becoming partly cloudy. Areas of fog late in the morning. Waves 2 feet or less. .TONIGHT...Southeast winds 10 to 15 knots becoming south 20 to 25 knots. Partly cloudy until early morning, then mostly cloudy with showers likely and a chance of thunderstorms after midnight. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally around 7 feet. .SATURDAY...South winds 20 to 25 knots becoming west 15 to 20 knots early in the afternoon. A chance of thunderstorms early in the morning. Rain showers until late afternoon, then a chance of showers early in the afternoon. Waves 4 to 6 feet subsiding to 1 to 3 feet early in the afternoon. Waves occasionally around 8 feet. .SATURDAY NIGHT...West winds 15 to 20 knots. Partly cloudy. A chance of showers early in the evening. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-172200- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 959 AM EDT Fri Apr 17 2026 .REST OF TODAY...Light and variable winds becoming east 5 to 10 knots in the afternoon. Partly cloudy. Areas of fog late in the morning. Waves 2 feet or less. .TONIGHT...Southeast winds 10 to 15 knots becoming south 15 to 20 knots after midnight. Partly cloudy early in the evening, then a slight chance of showers and thunderstorms in the late evening and early morning. Rain showers and a chance of thunderstorms after midnight. Waves 1 to 3 feet. .SATURDAY...Southwest winds 15 to 20 knots veering to the west early in the afternoon. Rain showers and a chance of thunderstorms until late afternoon, then a chance of showers early in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .SATURDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Mostly cloudy early in the evening becoming partly cloudy. A chance of showers early in the evening. Waves 1 to 3 feet. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 51 degrees. $$ TF You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes