Nearshore Marine Forecast
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
321 FZUS53 KMQT 032102 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 502 PM EDT Fri Oct 3 2025 For waters within five nautical miles of shore 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. LMZ221-040800- Green Bay North of line from Cedar River MI to Rock Island Passage- 502 PM EDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING... .LATE THIS AFTERNOON...Southeast wind less than 10 knots. Partly cloudy with a slight chance of showers and thunderstorms. Waves calm to 1 foot. .TONIGHT...Southeast wind less than 10 knots veering south late. Mostly clear. Waves calm to 1 foot. .SATURDAY...South wind 10 to 15 knots with gusts up to 28 knots increasing to 15 to 20 knots with gusts up to 28 knots late. Sunny. Waves building to 2 to 4 feet. .SATURDAY NIGHT...South wind 15 to 20 knots with gusts up to 29 knots. Mostly clear. Waves subsiding to 2 to 3 feet. .SUNDAY...South wind 15 to 25 knots with gale force gusts up to 34 knots. Sunny. Waves building to 3 to 5 feet occasionally to 7 feet. $$ LMZ248-250-040800- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 502 PM EDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING... .LATE THIS AFTERNOON...South wind less than 10 knots. Partly cloudy with a slight chance of showers and thunderstorms. Waves 1 to 2 feet. .TONIGHT...Southeast wind less than 10 knots veering south late. Mostly clear. Waves 1 to 2 feet. .SATURDAY...South wind 10 to 20 knots with gusts up to 27 knots. Mostly sunny. Waves building to 2 to 4 feet. .SATURDAY NIGHT...South wind 15 to 20 knots with gusts up to 29 knots. Mostly clear. Waves building to 3 to 6 feet occasionally to 8 feet, then subsiding to 3 to 5 feet occasionally to 7 feet. .SUNDAY...South wind 15 to 25 knots with gale force gusts up to 35 knots. Mostly sunny. Waves building to 5 to 8 feet occasionally to 10 feet. $$ LSZ240-241-040800- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 502 PM EDT Fri Oct 3 2025 /402 PM CDT Fri Oct 3 2025/ ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY EVENING... .LATE THIS AFTERNOON...Northeast wind less than 10 knots. Mostly sunny. Waves calm to 1 foot. .TONIGHT...East wind less than 10 knots veering south 10 to 15 knots late. Mostly clear. Waves building to 1 to 2 feet. .SATURDAY...South wind 10 to 20 knots with gusts up to 29 knots. Sunny. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. .SATURDAY NIGHT...South wind 15 to 20 knots with gusts up to 32 knots. Mostly clear. Waves building to 2 to 4 feet. .SUNDAY...South wind 15 to 20 knots with gale force gusts up to 34 knots. Sunny. Waves 2 to 4 feet. $$ LSZ242-243-040800- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 502 PM EDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY AFTERNOON... ...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... .LATE THIS AFTERNOON...Northeast wind less than 10 knots. Mostly sunny. Waves calm to 1 foot. .TONIGHT...Southeast wind 10 to 15 knots veering south late. Mostly clear. Waves building to 1 to 2 feet. .SATURDAY...South wind 10 to 15 knots with gusts up to 26 knots. Sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...South wind 10 to 20 knots with gusts up to 28 knots. Mostly clear. Waves building to 2 to 3 feet. .SUNDAY...South wind 15 to 20 knots with gale force gusts up to 37 knots. Sunny. Waves building to 2 to 4 feet. $$ LSZ245-040800- Manitou Island to Point Isabelle MI- 502 PM EDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON... ...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... .LATE THIS AFTERNOON...East wind less than 10 knots. Mostly sunny. Waves calm to 1 foot. .TONIGHT...Southeast wind less than 10 knots veering south 10 to 15 knots late. Mostly clear. Waves building to 1 to 2 feet. .SATURDAY...South wind 10 to 15 knots. Gusts up to 22 knots. Mostly sunny. Waves building to 2 to 3 feet. .SATURDAY NIGHT...South wind 10 to 20 knots. Partly cloudy. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet. .SUNDAY...South wind 15 to 20 knots with gusts up to 31 knots. Sunny. Waves building to 3 to 5 feet occasionally to 7 feet. $$ LSZ244-040800- Eagle River to Manitou Island MI- 502 PM EDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY AFTERNOON... ...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... .LATE THIS AFTERNOON...East wind less than 10 knots. Mostly sunny. Patchy fog. Waves calm to 1 foot. .TONIGHT...Southeast wind 10 to 15 knots veering south late. Mostly clear. Waves building to 1 to 2 feet. .SATURDAY...South wind 10 to 15 knots with gusts up to 23 knots. Sunny. Waves building to 2 to 3 feet. .SATURDAY NIGHT...South wind 10 to 20 knots. Partly cloudy. Waves 2 to 3 feet. .SUNDAY...South wind 15 to 20 knots with gusts up to 33 knots. Sunny. Waves building to 3 to 5 feet occasionally to 7 feet. $$ LSZ246-040800- Point Isabelle to Lower Entrance of Portage Canal MI- 502 PM EDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY AFTERNOON... ...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... .LATE THIS AFTERNOON...East wind less than 10 knots. Mostly sunny. Waves calm to 1 foot. .TONIGHT...East wind less than 10 knots veering south late. Partly cloudy. Waves calm to 1 foot. .SATURDAY...South wind 5 to 15 knots with gusts up to 27 knots. Mostly sunny. Waves building to 1 to 2 feet. .SATURDAY NIGHT...Southwest wind 10 to 15 knots with gusts up to 28 knots. Mostly clear. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. .SUNDAY...South wind 15 to 20 knots with gale force gusts up to 34 knots. Sunny. Waves building to 2 to 4 feet. $$ LSZ247-040800- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 502 PM EDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY AFTERNOON... ...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... .LATE THIS AFTERNOON...East wind 10 to 15 knots. Mostly sunny. Waves calm to 1 foot. .TONIGHT...East wind 5 to 15 knots through midnight becoming variable. Mostly clear. A slight chance of showers and thunderstorms through late evening. Waves calm to 1 foot. .SATURDAY...Southwest wind 5 to 15 knots with gusts up to 27 knots. Sunny. Waves building to 1 to 2 feet. .SATURDAY NIGHT...Southwest wind 10 to 20 knots with gusts up to 29 knots. Mostly clear. Waves 1 to 2 feet. .SUNDAY...South wind 15 to 20 knots with gale force gusts up to 34 knots. Sunny. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. $$ LSZ248-040800- Huron Islands to Marquette MI- 502 PM EDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON... ...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... .LATE THIS AFTERNOON...East wind less than 10 knots. Mostly sunny with a slight chance of showers and thunderstorms. Waves calm to 1 foot. .TONIGHT...Southeast wind less than 10 knots veering south late. Mostly clear. A slight chance of showers and thunderstorms through late evening. Waves calm to 1 foot. .SATURDAY...South wind 10 to 15 knots with gusts up to 24 knots. Sunny. Waves building to 1 to 2 feet. .SATURDAY NIGHT...South wind 15 to 20 knots with gusts up to 32 knots. Mostly clear. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. .SUNDAY...South wind 15 to 20 knots with gusts up to 32 knots. Sunny. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. $$ LSZ249-040800- Marquette to Munising MI- 502 PM EDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON... ...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... .LATE THIS AFTERNOON...Northeast wind less than 10 knots. Partly cloudy with a slight chance of showers and thunderstorms. Waves calm to 1 foot. .TONIGHT...East wind less than 10 knots veering south by midnight. Mostly clear. A slight chance of showers and thunderstorms through late evening. Waves calm to 1 foot. .SATURDAY...South wind 10 to 15 knots with gusts up to 24 knots. Sunny. Waves building to 1 to 2 feet. .SATURDAY NIGHT...South wind 15 to 20 knots with gusts up to 31 knots. Mostly clear. Waves 1 to 2 feet. .SUNDAY...South wind 15 to 25 knots with gusts up to 33 knots. Sunny. Waves building to 2 to 4 feet. $$ LSZ250-040800- Munising to Grand Marais MI- 502 PM EDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON... ...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... .LATE THIS AFTERNOON...Northeast wind less than 10 knots. Mostly sunny with a slight chance of showers and thunderstorms. Waves calm to 1 foot. .TONIGHT...East wind less than 10 knots veering south 10 to 15 knots late. Mostly clear. A slight chance of showers and thunderstorms through late evening. Waves calm to 1 foot. .SATURDAY...South wind 10 to 20 knots. Sunny. Waves building to 1 to 2 feet. .SATURDAY NIGHT...South wind 10 to 20 knots. Mostly clear. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. .SUNDAY...South wind 15 to 25 knots with gale force gusts up to 34 knots. Sunny. Waves building to 2 to 4 feet. $$ LSZ251-040800- Grand Marais to Whitefish Point MI- 502 PM EDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING... .LATE THIS AFTERNOON...Variable wind less than 10 knots. Partly cloudy with a slight chance of showers and thunderstorms. Waves calm to 1 foot. .TONIGHT...Southeast wind less than 10 knots becoming 5 to 15 knots by midnight. Mostly clear. Waves building to 1 to 2 feet. .SATURDAY...South wind 10 to 15 knots with gusts up to 24 knots. Mostly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...South wind 10 to 15 knots with gusts up to 25 knots. Mostly clear. Waves 1 to 2 feet. .SUNDAY...South wind 15 to 25 knots with gusts up to 33 knots. Sunny. Waves building to 2 to 4 feet. $$ WFO MQT