FZUS53 KAPX 171856 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 256 PM EDT Wed Jun 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. LSZ321-180300- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 256 PM EDT Wed Jun 17 2026 .TONIGHT...East wind 5 to 10 knots becoming north 10 to 15 knots after midnight. Rain early in the evening, then chance of showers after midnight. Waves 2 feet or less. .THURSDAY...Northwest wind 10 to 20 knots. Chance of showers. Waves 3 to 5 feet. .THURSDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet. .FRIDAY...Northwest wind 10 to 15 knots. Mostly sunny. Waves 3 to 5 feet. See the open lakes forecast for days 3 through 5. $$ LSZ322-180300- St. Marys River Point Iroquois to E. Potagannissing Bay- 256 PM EDT Wed Jun 17 2026 .TONIGHT...Southeast wind 5 to 10 knots becoming north early in the morning. Rain early in the evening, then showers likely after midnight. .THURSDAY...Northwest wind 10 to 15 knots. Chance of showers. .THURSDAY NIGHT...Northwest wind 10 to 15 knots. Partly cloudy. .FRIDAY...Northwest wind 10 to 15 knots. Mostly sunny. See the open lakes forecast for days 3 through 5. $$ LMZ341-180300- Seul Choix Point to 5NM West of Mackinac Bridge- 256 PM EDT Wed Jun 17 2026 .TONIGHT...Northeast wind 10 to 15 knots becoming north early in the morning. Rain early in the evening, then showers likely after midnight. Waves 2 feet or less. .THURSDAY...Northwest wind 10 to 15 knots. Chance of showers. Waves 2 to 3 feet. .THURSDAY NIGHT...Northwest wind 10 to 15 knots. Partly cloudy. Waves 2 to 3 feet. .FRIDAY...Northwest wind 10 to 20 knots. Sunny. Waves 2 to 3 feet. See the open lakes forecast for days 3 through 5. $$ LMZ342-180300- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 256 PM EDT Wed Jun 17 2026 .TONIGHT...Northeast wind 10 to 15 knots becoming north early in the morning. Rain early in the evening, then chance of showers after midnight. Waves 2 feet or less. .THURSDAY...Northwest wind 10 to 20 knots. Chance of showers. Waves 2 to 3 feet. .THURSDAY NIGHT...West wind 10 to 15 knots. Partly cloudy. Waves 2 to 3 feet. .FRIDAY...West wind 10 to 20 knots. Sunny. Waves 2 to 3 feet. See the open lakes forecast for days 3 through 5. $$ LMZ323-180300- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 256 PM EDT Wed Jun 17 2026 .TONIGHT...Northeast wind 5 to 10 knots becoming north 10 to 15 knots after midnight. Rain early in the evening, then chance of showers after midnight. Waves 2 feet or less. .THURSDAY...Northwest wind 10 to 15 knots. Chance of showers. Waves 2 to 3 feet. .THURSDAY NIGHT...West wind 5 to 10 knots. Mostly cloudy. Waves 2 feet or less. .FRIDAY...West wind 5 to 10 knots. Sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ344-345-180300- Sleeping Bear Point to Grand Traverse Light MI- Point Betsie to Sleeping Bear Point MI- 256 PM EDT Wed Jun 17 2026 .TONIGHT...Northeast wind 5 to 10 knots becoming north 10 to 15 knots after midnight. Rain early in the evening, then chance of showers after midnight. Waves 2 to 3 feet. .THURSDAY...West wind 10 to 15 knots. Slight chance of showers. Waves 2 to 3 feet. .THURSDAY NIGHT...West wind 5 to 10 knots. Mostly cloudy. Waves 2 feet or less. .FRIDAY...West wind 5 to 10 knots. Sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ346-180300- Manistee to Point Betsie MI- 256 PM EDT Wed Jun 17 2026 .TONIGHT...East wind 10 to 15 knots becoming north after midnight. Rain early in the evening, then chance of showers after midnight. Waves 2 to 3 feet. .THURSDAY...West wind 10 to 15 knots. Slight chance of showers. Waves 2 to 3 feet. .THURSDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY...West wind 5 to 10 knots. Sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ345-180300- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- 256 PM EDT Wed Jun 17 2026 .TONIGHT...East wind 5 to 10 knots becoming north 10 to 15 knots early in the morning. Rain early in the evening, then showers likely after midnight. Waves 2 feet or less. .THURSDAY...Northwest wind 10 to 20 knots. Chance of showers. Waves 2 to 3 feet. .THURSDAY NIGHT...West wind 10 to 15 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY...West wind 10 to 20 knots. Sunny. Waves 2 to 3 feet. See the open lakes forecast for days 3 through 5. $$ LHZ346-180300- St Ignace to False Detour Channel- 256 PM EDT Wed Jun 17 2026 .TONIGHT...East wind 10 to 15 knots becoming north early in the morning. Rain early in the evening, then showers likely after midnight. Waves 2 to 3 feet. .THURSDAY...Northwest wind 10 to 20 knots. Chance of showers. Waves 2 to 4 feet. .THURSDAY NIGHT...West wind 10 to 20 knots. Partly cloudy. Waves 2 to 4 feet. .FRIDAY...Northwest wind 10 to 20 knots. Sunny. Waves 2 to 4 feet. See the open lakes forecast for days 3 through 5. $$ LHZ347-180300- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 256 PM EDT Wed Jun 17 2026 .TONIGHT...East wind 10 to 15 knots becoming north early in the morning. Rain early in the evening, then showers after midnight. Waves 2 to 3 feet. .THURSDAY...Northwest wind 10 to 20 knots. Chance of showers. Waves 2 to 4 feet. .THURSDAY NIGHT...West wind 10 to 20 knots. Mostly clear. Waves 2 to 4 feet. .FRIDAY...Northwest wind 10 to 20 knots. Sunny. Waves 3 to 5 feet. See the open lakes forecast for days 3 through 5. $$ LHZ348-180300- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 256 PM EDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH THURSDAY EVENING... .TONIGHT...Southeast wind 10 to 20 knots with gusts 25 knots becoming north 10 to 15 knots early in the morning. Rain and slight chance of thunderstorms early in the evening, then chance of showers after midnight. Waves 3 to 5 feet. .THURSDAY...Northwest wind 10 to 20 knots. Chance of showers. Waves 3 to 5 feet. .THURSDAY NIGHT...West wind 10 to 20 knots. Mostly clear. Waves 2 to 4 feet. .FRIDAY...Northwest wind 10 to 20 knots. Sunny. Waves 3 to 5 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ349-180300- Sturgeon Pt to Alabaster MI- 256 PM EDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH THURSDAY EVENING... .TONIGHT...Southeast wind 15 to 25 knots becoming north 10 to 20 knots after midnight, then becoming northwest 10 to 15 knots early in the morning. Rain and a chance of thunderstorms early in the evening, then chance of showers after midnight. Waves 3 to 5 feet. .THURSDAY...West wind 10 to 20 knots. Slight chance of showers. Waves 2 to 4 feet. .THURSDAY NIGHT...West wind 10 to 15 knots. Mostly clear. Waves 2 feet or less. .FRIDAY...Northwest wind 10 to 15 knots. Sunny. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ MJG