Nearshore Marine Forecast
Issued by NWS Gaylord, MI
Issued by NWS Gaylord, MI
509 FZUS53 KAPX 200517 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 117 AM EDT Mon Jul 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. LSZ321-201330- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 117 AM EDT Mon Jul 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH TUESDAY MORNING... .TODAY...South wind 10 to 25 knots. Patchy smoke through the day. Chance of showers and slight chance of thunderstorms early in the morning. Slight chance of showers in the morning, then chance of showers and thunderstorms in the afternoon. Waves 2 feet or less building to 2 to 4 feet in the afternoon. .TONIGHT...Southwest wind 15 to 20 knots. Patchy smoke. Showers and a chance of thunderstorms. Waves 2 to 4 feet. .TUESDAY...Northwest wind up to 30 knots. Chance of showers. Waves 7 to 10 feet. .TUESDAY NIGHT...Northwest wind up to 30 knots with gusts to around 35 knots. Partly cloudy. Waves 7 to 10 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LSZ322-201330- St. Marys River Point Iroquois to E. Potagannissing Bay- 117 AM EDT Mon Jul 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH TUESDAY MORNING... .TODAY...South wind 15 to 20 knots gusting to 25 knots. Patchy smoke through the day. Chance of showers early in the morning. Slight chance of showers in the morning. Slight chance of thunderstorms in the afternoon. .TONIGHT...Southwest wind 10 to 15 knots. Showers and a chance of thunderstorms. .TUESDAY...Northwest wind 15 to 25 knots. Mostly cloudy. .TUESDAY NIGHT...Northwest wind up to 30 knots. Mostly cloudy. Winds higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ341-201330- Seul Choix Point to 5NM West of Mackinac Bridge- 117 AM EDT Mon Jul 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH TUESDAY MORNING... .TODAY...Southwest wind 15 to 25 knots gusting to 25 knots. Patchy smoke through the day. Slight chance of showers in the morning. Chance of showers and thunderstorms in the afternoon. Waves 2 to 4 feet building to 5 to 8 feet in the morning. Waves occasionally around 10 feet. .TONIGHT...Southwest wind 15 to 25 knots. Patchy smoke. Showers and a chance of thunderstorms. Waves 5 to 8 feet. .TUESDAY...Northwest wind 15 to 25 knots with gusts to around 35 knots. Partly sunny. Waves 4 to 6 feet. .TUESDAY NIGHT...Northwest wind 15 to 25 knots. Partly cloudy. Waves 3 to 5 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ342-201330- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 117 AM EDT Mon Jul 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH TUESDAY MORNING... .TODAY...Southwest wind 15 to 25 knots. Patchy smoke early in the morning. Patchy smoke in the afternoon. Slight chance of showers in the morning. Chance of showers and slight chance of thunderstorms in the afternoon. Waves 3 to 5 feet building to 4 to 6 feet in the afternoon. .TONIGHT...Southwest wind 15 to 25 knots. Patchy smoke. Showers and a chance of thunderstorms. Waves 4 to 6 feet. .TUESDAY...Northwest wind 15 to 25 knots with gusts to around 40 knots. Mostly cloudy. Waves 4 to 7 feet. .TUESDAY NIGHT...Northwest wind up to 30 knots with gusts to around 40 knots. Partly cloudy. Waves 4 to 7 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ323-201330- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 117 AM EDT Mon Jul 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH TUESDAY MORNING... .TODAY...Southwest wind 15 to 25 knots decreasing to 10 to 20 knots in the afternoon. Patchy smoke in the morning. Slight chance of showers and thunderstorms in the afternoon. Waves 2 feet or less building to 2 to 4 feet in the afternoon. .TONIGHT...Southwest wind 10 to 20 knots. Patchy smoke. Showers likely and a chance of thunderstorms. Waves 2 to 4 feet. .TUESDAY...Northwest wind 15 to 25 knots with gusts to around 40 knots. Chance of showers. Waves 4 to 7 feet. .TUESDAY NIGHT...North wind up to 30 knots with gusts to around 45 knots. Mostly 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. $$ LMZ344-345-201330- Sleeping Bear Point to Grand Traverse Light MI- Point Betsie to Sleeping Bear Point MI- 117 AM EDT Mon Jul 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH TUESDAY MORNING... .TODAY...Southwest wind 15 to 25 knots. Patchy smoke in the afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves 2 feet or less building to 4 to 6 feet. .TONIGHT...Southwest wind 15 to 25 knots. Patchy smoke. Chance of showers and thunderstorms. Waves 4 to 6 feet. .TUESDAY...Northwest wind 15 to 25 knots with gusts to around 40 knots. Partly sunny. Waves 4 to 7 feet. .TUESDAY NIGHT...North wind up to 30 knots with gusts to around 40 knots. Partly cloudy. Waves 5 to 8 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ346-201330- Manistee to Point Betsie MI- 117 AM EDT Mon Jul 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH TUESDAY MORNING... .TODAY...Southwest wind 15 to 25 knots. Patchy smoke in the afternoon. Chance of showers and slight chance of thunderstorms in the afternoon. Waves 2 feet or less building to 4 to 6 feet. .TONIGHT...Southwest wind 15 to 25 knots. Patchy smoke. Showers likely and a chance of thunderstorms. Waves 4 to 7 feet. .TUESDAY...Northwest wind 15 to 25 knots. Patchy smoke. Waves 4 to 6 feet. .TUESDAY NIGHT...North wind 15 to 25 knots with gusts to around 35 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. $$ LHZ345-201330- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- 117 AM EDT Mon Jul 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH TUESDAY MORNING... .TODAY...Southwest wind 15 to 25 knots. Patchy smoke through the day. Slight chance of showers in the morning. Chance of showers and slight chance of thunderstorms in the afternoon. Waves 2 feet or less building to 2 to 4 feet in the morning. .TONIGHT...Southwest wind 10 to 20 knots. Showers and a chance of thunderstorms. Waves 2 to 3 feet. .TUESDAY...Northwest wind 15 to 25 knots. Mostly cloudy. Waves 4 to 6 feet. .TUESDAY NIGHT...Northwest wind 15 to 25 knots. Partly cloudy. Waves 3 to 5 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ346-201330- St Ignace to False Detour Channel- 117 AM EDT Mon Jul 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH TUESDAY MORNING... .TODAY...Southwest wind 15 to 25 knots decreasing to 10 to 20 knots in the afternoon. Patchy smoke through the day. Slight chance of showers through the day. Slight chance of thunderstorms in the afternoon. Waves 2 to 3 feet. .TONIGHT...Southwest wind 10 to 20 knots. Chance of showers and thunderstorms. Waves 2 to 4 feet. .TUESDAY...Northwest wind 15 to 25 knots with gusts to around 35 knots. Mostly cloudy. Waves 4 to 6 feet. .TUESDAY NIGHT...Northwest wind 15 to 25 knots with gusts to around 35 knots. Partly cloudy. Waves 3 to 5 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ347-201330- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 117 AM EDT Mon Jul 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH TUESDAY MORNING... .TODAY...Southwest wind 10 to 20 knots gusting to 25 knots. Patchy smoke through the day. Slight chance of showers and thunderstorms in the afternoon. Waves 2 feet or less. .TONIGHT...Southwest wind 10 to 20 knots. Showers likely and a chance of thunderstorms. Waves 2 to 3 feet. .TUESDAY...West wind up to 30 knots with gusts to around 35 knots. Partly sunny. Waves 6 to 9 feet. .TUESDAY NIGHT...Northwest wind up to 30 knots with gusts to around 40 knots. Mostly cloudy. Waves 6 to 9 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ348-201330- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 117 AM EDT Mon Jul 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH TUESDAY MORNING... .TODAY...South wind 10 to 20 knots gusting to 25 knots. Patchy smoke in the morning. Waves 2 to 3 feet building to 4 to 6 feet in the afternoon. .TONIGHT...South wind 10 to 20 knots. Patchy smoke. Chance of showers and thunderstorms. Waves 4 to 6 feet. .TUESDAY...West wind up to 30 knots with gusts to around 35 knots. Chance of showers. Waves 6 to 9 feet. .TUESDAY NIGHT...Northwest wind up to 30 knots with gusts to around 40 knots. Mostly cloudy. Waves 7 to 10 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ349-201330- Sturgeon Pt to Alabaster MI- 117 AM EDT Mon Jul 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH TUESDAY MORNING... .TODAY...South wind 10 to 20 knots gusting to 25 knots. Patchy smoke in the morning. Waves 2 feet or less building to 3 to 5 feet in the afternoon. .TONIGHT...Southwest wind 15 to 25 knots. Chance of showers and thunderstorms. Waves 4 to 6 feet. .TUESDAY...West wind 15 to 25 knots. Chance of showers. Waves 3 to 5 feet. .TUESDAY NIGHT...Northwest wind up to 30 knots with gusts to around 35 knots. Mostly cloudy. Waves 4 to 6 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ SJC