FZUS53 KAPX 171756 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 156 PM 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. LSZ321-180200- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 156 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TONIGHT...Southeast wind 15 to 25 knots becoming west 10 to 20 knots early in the morning. Rain likely and a chance of thunderstorms early in the evening, then rain and slight chance of thunderstorms after midnight. Waves 3 to 5 feet. .SATURDAY...Northwest wind 15 to 25 knots. Chance of rain and snow showers. Waves 6 to 9 feet. .SATURDAY NIGHT...West wind 10 to 20 knots. Chance of snow showers. Waves 6 to 9 feet. .SUNDAY...Northwest wind 15 to 25 knots. Chance of snow showers. Waves 6 to 9 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LSZ322-180200- St. Marys River Point Iroquois to E. Potagannissing Bay- 156 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TONIGHT...Southeast wind 10 to 20 knots. Chance of rain early in the evening. Slight chance of thunderstorms through the night. Rain after midnight. .SATURDAY...Northwest wind 15 to 25 knots. Chance of snow showers and slight chance of showers. .SATURDAY NIGHT...West wind 15 to 20 knots. Chance of snow showers. .SUNDAY...Northwest wind 15 to 25 knots. Partly sunny. Winds higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ341-180200- Seul Choix Point to 5NM West of Mackinac Bridge- 156 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TONIGHT...Southeast wind 15 to 25 knots becoming south 10 to 20 knots after midnight, then becoming west early in the morning. Rain likely and a chance of thunderstorms early in the evening, then rain and slight chance of thunderstorms after midnight. Waves 3 to 5 feet. .SATURDAY...Northwest wind 10 to 20 knots. Chance of rain and snow showers. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 10 to 20 knots. Chance of snow showers. Waves 2 to 4 feet. .SUNDAY...Northwest wind 10 to 20 knots. Partly sunny. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ342-180200- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 156 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TONIGHT...South wind 10 to 20 knots becoming southwest early in the morning. Rain likely and a chance of thunderstorms early in the evening, then rain and slight chance of thunderstorms after midnight. Waves 2 to 4 feet. .SATURDAY...West wind 10 to 20 knots. Chance of rain and snow showers. Waves 3 to 5 feet. .SATURDAY NIGHT...Northwest wind 10 to 20 knots. Chance of snow showers. Waves 2 to 4 feet. .SUNDAY...Northwest wind 10 to 20 knots. Partly sunny. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ323-180200- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 156 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TONIGHT...South wind 10 to 20 knots becoming southwest early in the morning. Chance of rain and thunderstorms early in the evening, then rain and slight chance of thunderstorms after midnight. Waves 2 to 4 feet. .SATURDAY...West wind 10 to 20 knots. Chance of rain and snow showers. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Chance of snow showers. Waves 2 to 3 feet. .SUNDAY...Northwest wind 10 to 20 knots. Chance of snow showers. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ344-180200- Sleeping Bear Point to Grand Traverse Light MI- 156 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TONIGHT...South wind 10 to 20 knots becoming west early in the morning. Chance of rain and thunderstorms early in the evening, then rain and slight chance of thunderstorms after midnight. Waves 2 to 4 feet. .SATURDAY...West wind 10 to 20 knots. Chance of rain and snow showers. Waves 3 to 5 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots. Chance of snow showers. Waves 2 to 4 feet. .SUNDAY...Northwest wind 10 to 20 knots. Chance of snow showers. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ345-180200- Point Betsie to Sleeping Bear Point MI- 156 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TONIGHT...South wind 10 to 20 knots becoming west early in the morning. Chance of thunderstorms early in the evening. Rain through the night. Slight chance of thunderstorms after midnight. Waves 2 to 4 feet. .SATURDAY...West wind 10 to 20 knots. Chance of rain and snow showers. Waves 3 to 5 feet. .SATURDAY NIGHT...West wind 10 to 15 knots. Chance of snow showers. Waves 2 to 4 feet. .SUNDAY...Northwest wind 10 to 15 knots. Mostly sunny. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ346-180200- Manistee to Point Betsie MI- 156 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TONIGHT...South wind 10 to 20 knots becoming west early in the morning. Rain and a chance of thunderstorms early in the evening, then rain likely and slight chance of thunderstorms after midnight. Waves 3 to 5 feet. .SATURDAY...West wind 10 to 20 knots. Slight chance of rain and snow showers. Waves 3 to 5 feet. .SATURDAY NIGHT...West wind 10 to 20 knots. Partly cloudy. Waves 3 to 5 feet. .SUNDAY...Northwest wind 10 to 15 knots. Mostly sunny. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ345-180200- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- 156 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TONIGHT...Southeast wind 10 to 20 knots becoming southwest 10 to 15 knots early in the morning. Rain likely early in the evening. Slight chance of thunderstorms through the night. Rain after midnight. Waves 3 to 5 feet. .SATURDAY...West wind 10 to 20 knots. Chance of rain and snow showers. Waves 2 to 4 feet. .SATURDAY NIGHT...West wind 10 to 20 knots. Chance of snow showers. Waves 2 to 4 feet. .SUNDAY...Northwest wind 10 to 20 knots. Partly sunny. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ346-180200- St Ignace to False Detour Channel- 156 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TONIGHT...Southeast wind 15 to 25 knots becoming south early in the morning. Chance of rain early in the evening. Slight chance of thunderstorms through the night. Rain after midnight. Waves 5 to 8 feet. Waves occasionally around 10 feet. .SATURDAY...Northwest wind 10 to 20 knots. Chance of snow showers and slight chance of showers. Waves 4 to 7 feet. .SATURDAY NIGHT...West wind 10 to 20 knots. Chance of snow showers. Waves 2 to 4 feet. .SUNDAY...Northwest wind 15 to 25 knots. Partly sunny. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ347-180200- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 156 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TONIGHT...Southeast wind 10 to 20 knots. Chance of rain early in the evening, then rain and slight chance of thunderstorms after midnight. Waves 4 to 6 feet. .SATURDAY...West wind 15 to 25 knots. Slight chance of showers. Waves 4 to 6 feet. .SATURDAY NIGHT...West wind 10 to 20 knots. Chance of snow showers. Waves 4 to 6 feet. .SUNDAY...Northwest wind 15 to 25 knots. Partly sunny. Waves 4 to 7 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ348-180200- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 156 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TONIGHT...Southeast wind 15 to 25 knots. Rain and slight chance of thunderstorms after midnight. Waves 4 to 6 feet building to 5 to 8 feet after midnight. Waves occasionally around 9 feet. .SATURDAY...West wind 15 to 25 knots. Slight chance of showers. Waves 4 to 7 feet. .SATURDAY NIGHT...Northwest wind 10 to 20 knots. Partly cloudy. Waves 3 to 5 feet. .SUNDAY...Northwest wind 15 to 25 knots. Partly sunny. Waves 4 to 7 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ349-180200- Sturgeon Pt to Alabaster MI- 156 PM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT... .TONIGHT...South wind 15 to 25 knots. Rain and a chance of thunderstorms after midnight. Waves 3 to 5 feet building to 4 to 6 feet after midnight. .SATURDAY...West wind 15 to 25 knots. Rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...West wind 10 to 20 knots. Partly cloudy. Waves 2 to 3 feet. .SUNDAY...Northwest wind 10 to 20 knots. Partly sunny. 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