FZUS53 KAPX 200627 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 227 AM EDT Wed May 20 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. LSZ321-201430- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 227 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .TODAY...Northwest wind 10 to 20 knots. Mostly sunny early in the morning then becoming sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet in the afternoon. .TONIGHT...North wind 10 to 15 knots. Mostly clear. Waves 2 to 3 feet. .THURSDAY...Light winds. Sunny. Waves 2 feet or less. .THURSDAY NIGHT...Light winds. Partly cloudy. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LSZ322-201430- St. Marys River Point Iroquois to E. Potagannissing Bay- 227 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .TODAY...Northwest wind 10 to 20 knots. Sunny. .TONIGHT...North wind 10 to 15 knots. Mostly clear. .THURSDAY...Light winds. Mostly sunny. .THURSDAY NIGHT...Light winds. Partly cloudy. See the open lakes forecast for days 3 through 5. $$ LMZ341-201430- Seul Choix Point to 5NM West of Mackinac Bridge- 227 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... .TODAY...Northwest wind 10 to 20 knots becoming north 5 to 10 knots early in the evening. Patchy frost early in the morning. Waves 2 feet or less. .TONIGHT...Northeast wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. .THURSDAY...East wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ342-201430- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 227 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... .TODAY...Northwest wind 10 to 15 knots. Sunny. Waves 2 to 3 feet. .TONIGHT...Northeast wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. .THURSDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ323-201430- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 227 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... .TODAY...Northwest wind 10 to 15 knots. Sunny. Waves 2 to 3 feet. .TONIGHT...Light winds. Mostly clear. Waves 2 feet or less. .THURSDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Mostly cloudy. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ344-345-201430- Sleeping Bear Point to Grand Traverse Light MI- Point Betsie to Sleeping Bear Point MI- 227 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... .TODAY...Northwest wind 10 to 15 knots early in the morning becoming variable 10 knots or less. Sunny. Waves 2 to 3 feet. .TONIGHT...Northeast wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. .THURSDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Mostly cloudy. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ346-201430- Manistee to Point Betsie MI- 227 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... .TODAY...North wind 10 to 15 knots. Mostly sunny early in the morning then becoming sunny. Waves 2 feet or less. .TONIGHT...Northeast wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. .THURSDAY...Northeast wind 5 to 10 knots. Partly sunny. Waves 2 feet or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Mostly cloudy. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ345-201430- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- 227 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .TODAY...Northwest wind 10 to 20 knots becoming 10 to 15 knots in the morning. Sunny. Waves 2 to 3 feet. .TONIGHT...North wind 10 to 15 knots. Mostly clear. Waves 2 feet or less. .THURSDAY...East wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ346-201430- St Ignace to False Detour Channel- 227 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .TODAY...Northwest wind 10 to 20 knots. Sunny. Waves 2 to 4 feet subsiding to 2 feet or less in the afternoon. .TONIGHT...North wind 10 to 15 knots. Mostly clear. Waves 2 feet or less. .THURSDAY...Southeast wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ347-201430- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 227 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .TODAY...Northwest wind 15 to 25 knots decreasing to 10 to 15 knots in the afternoon. Sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet in the afternoon. .TONIGHT...North wind 10 to 15 knots. Mostly clear. Waves 2 to 4 feet. .THURSDAY...East wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ348-201430- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 227 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .TODAY...Northwest wind 15 to 25 knots decreasing to 10 to 20 knots in the afternoon. Sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet in the afternoon. .TONIGHT...North wind 15 to 20 knots. Mostly clear. Waves 2 to 4 feet. .THURSDAY...East wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ349-201430- Sturgeon Pt to Alabaster MI- 227 AM EDT Wed May 20 2026 .TODAY...Northwest wind 10 to 20 knots becoming north 10 to 15 knots in the afternoon. Mostly clear. Waves 2 to 3 feet. .TONIGHT...North wind 10 to 15 knots. Mostly clear. Waves 2 to 3 feet. .THURSDAY...Northeast wind 10 to 15 knots. Mostly sunny. Waves 2 to 3 feet. .THURSDAY NIGHT...Northeast wind 10 to 15 knots. Mostly cloudy. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ SJC