FZUS53 KAPX 201313 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 913 AM EDT Mon Apr 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. LSZ321-202115- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 913 AM EDT Mon Apr 20 2026 .TODAY...Southwest wind 5 to 10 knots becoming south 10 to 15 knots early in the evening. Mostly sunny. Waves 2 feet or less. .TONIGHT...South wind 10 to 20 knots. Mostly cloudy. Waves 2 to 4 feet. .TUESDAY...West wind 10 to 15 knots. Sunny. Waves 2 feet or less. .TUESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. Wave heights are valid for ice free areas. See the open lakes forecast for days 3 through 5. $$ LSZ322-202115- St. Marys River Point Iroquois to E. Potagannissing Bay- 913 AM EDT Mon Apr 20 2026 .TODAY...Light winds becoming southwest 5 to 10 knots in the afternoon. Sunny. .TONIGHT...South wind 10 to 15 knots. Mostly cloudy. .TUESDAY...West wind 5 to 10 knots. Sunny. .TUESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. See the open lakes forecast for days 3 through 5. $$ LMZ341-202115- Seul Choix Point to 5NM West of Mackinac Bridge- 913 AM EDT Mon Apr 20 2026 .TODAY...Southwest wind 15 to 20 knots. Mostly sunny. Waves 2 feet or less building to 2 to 4 feet in the afternoon. .TONIGHT...Southwest wind 15 to 25 knots. Mostly cloudy. Waves 4 to 7 feet. .TUESDAY...West wind 10 to 15 knots. Sunny. Waves 4 to 6 feet. .TUESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ342-202115- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 913 AM EDT Mon Apr 20 2026 .TODAY...Southwest wind 15 to 20 knots. Sunny. Waves 2 feet or less. .TONIGHT...South wind 15 to 20 knots. Mostly cloudy. Waves 3 to 5 feet. .TUESDAY...West wind 10 to 15 knots. Sunny. Waves 2 to 4 feet. .TUESDAY NIGHT...Light winds. Mostly clear. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ323-202115- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 913 AM EDT Mon Apr 20 2026 .TODAY...Southwest wind 15 to 20 knots decreasing to 5 to 10 knots early in the evening. Sunny. Waves 2 feet or less. .TONIGHT...South wind 15 to 20 knots. Mostly cloudy. Waves 2 to 3 feet. .TUESDAY...West wind 10 to 15 knots. Sunny. Waves 2 to 3 feet. .TUESDAY NIGHT...Light winds. Mostly clear. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ344-202115- Sleeping Bear Point to Grand Traverse Light MI- 913 AM EDT Mon Apr 20 2026 .TODAY...Southwest wind 5 to 10 knots. Sunny. Waves 2 feet or less. .TONIGHT...South wind 10 to 20 knots. Mostly cloudy. Waves 2 to 4 feet. .TUESDAY...West wind 10 to 15 knots. Sunny. Waves 2 to 4 feet. .TUESDAY NIGHT...Light winds. Mostly clear. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ345-202115- Point Betsie to Sleeping Bear Point MI- 913 AM EDT Mon Apr 20 2026 .TODAY...Southwest wind 10 to 15 knots. Sunny. Waves 2 feet or less. .TONIGHT...South wind 15 to 20 knots. Mostly cloudy. Waves 3 to 5 feet. .TUESDAY...Southwest wind 10 to 15 knots. Sunny. Waves 2 to 4 feet. .TUESDAY NIGHT...Light winds. Mostly clear. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ346-202115- Manistee to Point Betsie MI- 913 AM EDT Mon Apr 20 2026 .TODAY...Southwest wind 10 to 15 knots becoming south early in the evening. Sunny. Waves 2 to 3 feet. .TONIGHT...South wind 10 to 20 knots. Mostly cloudy. Waves 3 to 5 feet. .TUESDAY...Southwest wind 10 to 15 knots. Sunny. Waves 3 to 5 feet. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ345-202115- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- 913 AM EDT Mon Apr 20 2026 .TODAY...West wind 10 to 15 knots. Sunny. Waves 2 feet or less. .TONIGHT...Southwest wind 10 to 15 knots. Mostly cloudy. Waves 2 feet or less. .TUESDAY...West wind 10 to 15 knots. Sunny. Waves 2 feet or less. .TUESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ346-202115- St Ignace to False Detour Channel- 913 AM EDT Mon Apr 20 2026 .TODAY...West wind 10 to 15 knots becoming southwest early in the evening. Sunny. Waves 2 feet or less. .TONIGHT...South wind 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet. .TUESDAY...West wind 10 to 15 knots. Sunny. Waves 2 to 3 feet. .TUESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ347-202115- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 913 AM EDT Mon Apr 20 2026 .TODAY...Northwest wind 5 to 10 knots becoming south 10 to 15 knots early in the evening. Sunny. Waves 2 feet or less. .TONIGHT...South wind 10 to 15 knots. Mostly cloudy. Waves 2 to 3 feet. .TUESDAY...West wind 10 to 15 knots. Sunny. Waves 2 feet or less. .TUESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ348-202115- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 913 AM EDT Mon Apr 20 2026 .TODAY...Northwest wind 5 to 10 knots becoming east in the afternoon, then becoming southeast 10 to 15 knots early in the evening. Sunny. Waves 2 feet or less. .TONIGHT...South wind 10 to 20 knots. Mostly cloudy. Waves 2 to 4 feet. .TUESDAY...South wind 15 to 20 knots. Mostly sunny. Waves 2 to 4 feet. .TUESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ349-202115- Sturgeon Pt to Alabaster MI- 913 AM EDT Mon Apr 20 2026 .TODAY...Light winds becoming south 10 to 15 knots in the afternoon. Mostly sunny. Waves 2 feet or less. .TONIGHT...South wind 10 to 20 knots. Mostly cloudy. Waves 2 to 4 feet. .TUESDAY...South wind 15 to 20 knots. Mostly sunny. Waves 2 to 4 feet. .TUESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ JK