535 FZUS53 KGRB 180504 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1204 AM CDT Sat Apr 18 2026 For waters within five nautical miles of shore on Lake Michigan LMZ522-181000- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 1204 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .REST OF THE NIGHT...SW wind 10 to 20 kts veering NW after midnight. Waves 1 to 3 ft. Patchy fog. a chance of thunderstorms late in the evening. Rain showers likely. .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. .SUNDAY...NW wind 10 to 15 kts veering N early in the afternoon. Waves 2 ft or less. Partly cloudy. $$ LMZ521-181000- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- 1204 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .REST OF THE NIGHT...SW wind 10 to 15 kts veering NW 10 to 20 kts after midnight. Waves 2 to 4 ft. Patchy dense fog. a chance of thunderstorms late in the evening. Rain showers likely. .SATURDAY...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .SATURDAY NIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .SUNDAY...NW wind 10 to 15 kts veering N early in the afternoon. Waves 2 ft or less. Partly cloudy. $$ LMZ541-181000- Rock Island Passage to Sturgeon Bay WI- 1204 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF THE NIGHT...S wind 15 to 25 kts veering NW after midnight. Waves 4 to 7 ft. Areas of dense fog late in the evening. Patchy dense fog after midnight. showers likely and a chance of thunderstorms. .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. Partly cloudy. .SATURDAY NIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .SUNDAY...NW wind 10 to 15 kts veering N early in the afternoon. Waves 2 ft or less. Partly cloudy. $$ LMZ542-543-181000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1204 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF THE NIGHT...S wind 15 to 25 kts veering W after midnight. Waves 4 to 7 ft. Patchy dense fog. a slight chance of thunderstorms late in the evening. Rain showers likely. .SATURDAY...W wind 15 to 25 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. Partly cloudy in the morning then clearing. .SATURDAY NIGHT...W wind 15 to 25 kts decreasing to 10 to 15 kts in the late evening and overnight. Waves 1 to 3 ft. Mostly clear. A Small Craft Advisory may be needed. .SUNDAY...NW wind 10 to 15 kts veering N early in the afternoon. Waves 2 ft or less. Partly cloudy. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday. Wave height forecast is for ice free areas.  962 FZUS53 KDLH 180523 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1223 AM CDT Sat Apr 18 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. LSZ140-181600- Grand Portage to Grand Marais MN- 1223 AM CDT Sat Apr 18 2026 ...GALE WARNING IN EFFECT UNTIL 3 AM CDT EARLY THIS MORNING... .TODAY...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Mostly cloudy. Waves 3 to 5 feet. .TONIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the morning. A small craft advisory may be needed. .SUNDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 10 to 15 knots easing to 5 knots early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ141-181600- Grand Marais to Taconite Harbor MN- 1223 AM CDT Sat Apr 18 2026 ...GALE WARNING IN EFFECT UNTIL 3 AM CDT EARLY THIS MORNING... .TODAY...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Partly sunny. Waves 2 to 4 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots in the morning. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 to 10 knots until early morning becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-181600- Taconite Harbor to Silver Bay Harbor MN- 1223 AM CDT Sat Apr 18 2026 ...GALE WARNING IN EFFECT UNTIL 3 AM CDT EARLY THIS MORNING... .TODAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 3 feet. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots after midnight. Mostly cloudy in the evening then clearing. Waves 1 to 2 feet. .SUNDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots in the morning. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 knots until early morning becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-181600- Silver Bay Harbor to Two Harbors MN- 1223 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 3 feet. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 3 feet. .SUNDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the morning. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 knots becoming northeast early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-181600- Two Harbors to Duluth MN- 1223 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 2 to 4 feet. .TONIGHT...West wind 20 to 25 knots with gusts to around 30 knots becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...North wind 5 to 10 knots becoming east early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-181600- Duluth MN to Port Wing WI- 1223 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 3 to 5 feet. .TONIGHT...West wind 20 to 25 knots with gusts to around 30 knots becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...North wind 5 to 10 knots becoming southeast early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-181600- Port Wing to Sand Island WI- 1223 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 2 feet. Waves occasionally to 7 feet. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots in the afternoon. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...North wind 5 knots becoming southeast early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-181600- Sand Island to Bayfield WI- 1223 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots with gusts to around 30 knots. Partly sunny. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 2 feet. Waves occasionally to 7 feet. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots in the afternoon. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 knots becoming north after midnight, then becoming southeast early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-181600- Outer Apostle Islands Beyond 5 NM from Mainland- 1223 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 4 to 6 feet subsiding to 2 to 4 feet after midnight. Waves occasionally to 8 feet. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots in the morning. Sunny. Waves 1 to 3 feet. .SUNDAY NIGHT...West wind 5 knots becoming east early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ121-181600- Chequamegon Bay-Bayfield to Oak Point WI- 1223 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots late in the afternoon. Partly sunny. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 1 to 2 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 knots becoming southeast early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-181600- Oak Point to Saxon Harbor WI- 1223 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Partly sunny. Waves 2 to 4 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 knots becoming southeast early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  147 FZUS53 KGRB 180524 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1224 AM CDT Sat Apr 18 2026 For waters within five nautical miles of shore on Lake Michigan LMZ522-181000- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 1224 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .REST OF THE NIGHT...SW wind 10 to 20 kts veering NW after midnight. Waves 1 to 3 ft. Patchy fog. a chance of thunderstorms late in the evening. Rain showers likely. .SATURDAY...W wind 15 to 25 kts. Waves 1 to 3 ft. A chance of sprinkles in the morning. A slight chance of snow showers. A slight chance of showers in the afternoon. A Small Craft Advisory may be needed. .SATURDAY NIGHT...W wind 10 to 20 kts. Waves 1 to 3 ft. Mostly clear. .SUNDAY...NW wind 10 to 15 kts. Waves 2 ft or less. A chance of flurries in the morning. A chance of sprinkles. $$ LMZ521-181000- 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- 1224 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .REST OF THE NIGHT...SW wind 10 to 15 kts veering NW 10 to 20 kts after midnight. Waves 2 to 4 ft. Patchy dense fog. a chance of thunderstorms late in the evening. Rain showers likely. .SATURDAY...W wind 10 to 15 kts. Waves 1 to 3 ft. A slight chance of rain and snow showers. .SATURDAY NIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .SUNDAY...NW wind 10 to 15 kts. Waves 2 ft or less. Partly cloudy. $$ LMZ541-181000- Rock Island Passage to Sturgeon Bay WI- 1224 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF THE NIGHT...S wind 15 to 25 kts veering NW after midnight. Waves 4 to 7 ft. Areas of dense fog late in the evening. Patchy dense fog after midnight. showers likely and a chance of thunderstorms. .SATURDAY...W wind 10 to 15 kts. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. A slight chance of rain and snow showers. .SATURDAY NIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .SUNDAY...NW wind 10 to 15 kts veering N early in the afternoon. Waves 2 ft or less. Partly sunny. $$ LMZ542-543-181000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1224 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF THE NIGHT...S wind 15 to 25 kts veering W after midnight. Waves 4 to 7 ft. Patchy dense fog. a slight chance of thunderstorms late in the evening. Rain showers likely. .SATURDAY...W wind 15 to 25 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. A slight chance of rain and snow showers. .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. .SUNDAY...NW wind 10 to 15 kts veering N early in the afternoon. Waves 2 ft or less. A chance of flurries in the morning. A chance of sprinkles. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday. Wave height forecast is for ice free areas.  620 FZUS53 KAPX 180554 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 154 AM EDT Sat Apr 18 2026 For waters within five nautical miles of shore on Lakes Huron... Michigan and Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ321-182200- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 154 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TODAY...Northwest wind 15 to 25 knots. Rain showers early in the morning, then showers likely in the morning. Slight chance of snow showers in the afternoon. Waves 2 to 3 feet building to 5 to 8 feet in the morning. Waves occasionally around 11 feet. .TONIGHT...West wind 10 to 20 knots, gusts to 25 knots. Chance of snow showers. Waves 7 to 10 feet. .SUNDAY...Northwest wind 15 to 25 knots. Mostly cloudy. Waves 6 to 9 feet. .SUNDAY NIGHT...Northwest wind 15 to 25 knots. Partly cloudy. Waves 5 to 8 feet. Wave heights are valid for ice free areas. See the open lakes forecast for days 3 through 5. $$ LSZ322-182200- St. Marys River Point Iroquois to E. Potagannissing Bay- 154 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TODAY...Northwest wind 15 to 25 knots. Slight chance of thunderstorms early in the morning. Rain showers early in the morning. Slight chance of snow showers in the afternoon. .TONIGHT...West wind 10 to 20 knots. Slight chance of snow showers. .SUNDAY...Northwest wind 10 to 20 knots, gusts to 25 knots. Partly sunny. .SUNDAY NIGHT...Northwest wind 15 to 20 knots. Partly cloudy. Winds higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ341-182200- Seul Choix Point to 5NM West of Mackinac Bridge- 154 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TODAY...Northwest wind 15 to 25 knots becoming west 10 to 15 knots in the afternoon. Rain showers and slight chance of thunderstorms early in the morning, then chance of showers in the morning. Slight chance of snow showers in the afternoon. Waves 2 to 4 feet. .TONIGHT...Northwest wind 10 to 15 knots. Slight chance of snow showers. Waves 2 to 3 feet. .SUNDAY...Northwest wind 10 to 20 knots, gusts to 25 knots. Partly sunny. Waves 2 to 4 feet. .SUNDAY NIGHT...Northwest wind 15 to 20 knots. Partly cloudy. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ342-182200- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 154 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TODAY...West wind 15 to 20 knots decreasing to 5 to 15 knots early in the evening. Rain showers and slight chance of thunderstorms early in the morning, then chance of showers in the morning. Slight chance of rain and snow showers in the afternoon. Waves 2 to 3 feet building to 2 to 4 feet in the morning. .TONIGHT...Northwest wind 10 to 15 knots. Slight chance of snow showers. Waves 2 to 4 feet. .SUNDAY...Northwest wind 10 to 20 knots, gusts to 25 knots. Partly sunny. Waves 2 to 4 feet. .SUNDAY NIGHT...Northwest wind 15 to 20 knots. Partly 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. $$ LMZ323-182200- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 154 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TODAY...West wind 15 to 20 knots decreasing to 5 to 15 knots early in the evening. Rain showers likely early in the morning, then chance of showers in the morning. Waves 2 feet or less building to 2 to 3 feet in the morning. .TONIGHT...West wind 10 to 15 knots. Mostly cloudy. Waves 2 to 3 feet. .SUNDAY...Northwest wind 10 to 20 knots, gusts to 25 knots. Partly sunny. Waves 2 to 3 feet. .SUNDAY NIGHT...Northwest wind 10 to 15 knots. Partly cloudy. Waves 2 to 3 feet. See the open lakes forecast for days 3 through 5. $$ LMZ344-182200- Sleeping Bear Point to Grand Traverse Light MI- 154 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TODAY...Northwest wind 15 to 20 knots becoming west in the afternoon. Rain showers early in the morning, then chance of showers in the morning. Waves 2 to 3 feet building to 2 to 4 feet in the morning. .TONIGHT...West wind 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet. .SUNDAY...Northwest wind 10 to 20 knots, gusts to 25 knots. Partly sunny. Waves 2 to 4 feet. .SUNDAY NIGHT...North wind 10 to 15 knots. Partly cloudy. Waves 2 to 3 feet. See the open lakes forecast for days 3 through 5. $$ LMZ345-182200- Point Betsie to Sleeping Bear Point MI- 154 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TODAY...West wind 15 to 20 knots. Rain showers likely early in the morning, then slight chance of showers in the morning. Waves 2 to 4 feet. .TONIGHT...West wind 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet. .SUNDAY...Northwest wind 10 to 15 knots, gusts to 25 knots. Partly sunny. Waves 2 to 4 feet. .SUNDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ346-182200- Manistee to Point Betsie MI- 154 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TODAY...West wind 15 to 20 knots. Rain showers likely early in the morning, then slight chance of showers in the morning. Waves 2 to 4 feet. .TONIGHT...West wind 10 to 20 knots. Partly cloudy. Waves 3 to 5 feet. .SUNDAY...Northwest wind 10 to 15 knots, gusts to 25 knots. Mostly sunny. Waves 2 to 4 feet. .SUNDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ345-182200- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- 154 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TODAY...West wind 15 to 20 knots decreasing to 10 to 15 knots in the afternoon. Rain showers and slight chance of thunderstorms early in the morning, then showers likely in the morning. Slight chance of rain and snow showers in the afternoon. Waves 2 to 3 feet. .TONIGHT...Northwest wind 10 to 15 knots. Slight chance of snow showers. Waves 2 to 3 feet. .SUNDAY...Northwest wind 10 to 20 knots, gusts to 25 knots. Partly sunny. Waves 2 to 4 feet. .SUNDAY NIGHT...Northwest wind 15 to 20 knots. Partly cloudy. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. Wave heights are valid for ice free areas. See the open lakes forecast for days 3 through 5. $$ LHZ346-182200- St Ignace to False Detour Channel- 154 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TODAY...West wind 15 to 20 knots. Rain showers and slight chance of thunderstorms early in the morning, then showers likely in the morning. Slight chance of rain and snow showers in the afternoon. Waves 4 to 6 feet subsiding to 3 to 5 feet in the afternoon. .TONIGHT...West wind 10 to 20 knots. Partly cloudy. Waves 2 to 4 feet. .SUNDAY...Northwest wind 10 to 20 knots, gusts to 25 knots. Partly sunny. Waves 2 to 4 feet. .SUNDAY NIGHT...Northwest wind 15 to 25 knots. Partly 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. $$ LHZ347-182200- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 154 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TODAY...West wind 15 to 20 knots. Rain showers and slight chance of thunderstorms early in the morning, then showers likely in the morning. Waves 4 to 6 feet. .TONIGHT...West wind 10 to 15 knots. Slight chance of snow showers. Waves 2 to 4 feet. .SUNDAY...Northwest wind 15 to 25 knots. Partly sunny. Waves 4 to 7 feet. .SUNDAY NIGHT...Northwest wind 15 to 25 knots. Partly cloudy. Waves 4 to 7 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ348-182200- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 154 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TODAY...South wind 15 to 25 knots becoming west 10 to 20 knots in the afternoon. Rain showers and a chance of thunderstorms early in the morning, then showers likely in the morning. Waves 4 to 7 feet subsiding to 4 to 6 feet in the afternoon. Waves occasionally around 9 feet. .TONIGHT...West wind 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet. .SUNDAY...Northwest wind 15 to 25 knots. Partly sunny. Waves 4 to 7 feet. .SUNDAY NIGHT...Northwest wind 15 to 25 knots. Partly cloudy. Waves 5 to 8 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ349-182200- Sturgeon Pt to Alabaster MI- 154 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TODAY...South wind 15 to 25 knots decreasing to 10 to 20 knots in the morning, then becoming west 10 to 15 knots in the afternoon. Chance of thunderstorms early in the morning. Rain showers likely early in the morning. Waves 4 to 6 feet subsiding to 2 to 3 feet in the afternoon. .TONIGHT...West wind 10 to 15 knots. Partly cloudy. Waves 2 feet or less. .SUNDAY...Northwest wind 10 to 20 knots, gusts to 25 knots. Partly sunny. Waves 2 to 3 feet. .SUNDAY NIGHT...Northwest wind 10 to 20 knots. Partly cloudy. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ JLD