FZUS53 KMQT 152103 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 503 PM EDT Fri May 15 2026 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. LMZ221-160800- Green Bay North of line from Cedar River MI to Rock Island Passage- 503 PM EDT Fri May 15 2026 ...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING... .LATE THIS AFTERNOON...South wind 20 to 25 knots with gale force gusts up to 34 knots. Sunny. Waves 3 to 5 feet occasionally to 7 feet building to 3 to 6 feet occasionally to 8 feet. .TONIGHT...South wind 15 to 25 knots with gale force gusts up to 34 knots diminishing to 10 to 15 knots with gusts up to 22 knots late. Mostly clear through late evening then becoming cloudy. A chance of showers and a slight chance of thunderstorms. Waves subsiding to 2 to 3 feet. .SATURDAY...Southwest wind less than 10 knots veering northwest late. Gusts up to 20 knots. Mostly cloudy through mid morning then clearing. Waves subsiding to 1 to 2 feet. .SATURDAY NIGHT...Northeast wind less than 10 knots with gusts up to 17 knots. Clear. Waves 1 to 2 feet. .SUNDAY...East wind 5 to 15 knots. Mostly cloudy. A chance of rain showers in the afternoon. Waves building to 2 to 3 feet. $$ LMZ248-250-160800- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 503 PM EDT Fri May 15 2026 ...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH SATURDAY MORNING... .LATE THIS AFTERNOON...South wind 20 to 25 knots with gale force gusts up to 34 knots. Sunny. Waves 5 to 8 feet occasionally to 10 feet building to 6 to 9 feet occasionally to 11 feet. .TONIGHT...Southwest wind up to 30 knots diminishing to 10 to 15 knots late. Mostly clear through late evening then becoming cloudy. A chance of showers and a slight chance of thunderstorms through the night. Waves subsiding to 3 to 6 feet occasionally to 8 feet. .SATURDAY...Southwest wind 10 to 15 knots veering west late. Mostly cloudy through mid morning then clearing. Waves subsiding to 2 to 3 feet. .SATURDAY NIGHT...Northeast wind less than 10 knots. Clear. Waves subsiding to 1 to 2 feet. .SUNDAY...Northeast wind 5 to 15 knots veering east 15 to 20 knots in the afternoon. Partly cloudy. A chance of rain showers in the afternoon. Waves building to 2 to 4 feet. $$ LSZ240-241-160800- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 503 PM EDT Fri May 15 2026 /403 PM CDT Fri May 15 2026/ ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS EVENING... .LATE THIS AFTERNOON...Southwest wind 10 to 15 knots with gusts up to 25 knots. Sunny. Waves 1 to 2 feet building to 2 to 3 feet. .TONIGHT...Southwest wind 10 to 15 knots with gusts up to 26 knots. Clear. Waves subsiding to 1 to 2 feet. .SATURDAY...West wind 10 to 15 knots veering northwest 5 to 15 knots late. Gusts up to 22 knots. Sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...East wind less than 10 knots. Clear. Waves 1 to 2 feet. .SUNDAY...East wind 10 to 20 knots with gusts up to 27 knots. Partly cloudy with a slight chance of rain showers in the morning, then cloudy with rain showers likely and a slight chance of thunderstorms in the afternoon. Waves building to 3 to 6 feet occasionally to 8 feet. $$ LSZ243-160800- Upper Entrance of Portage Canal to Eagle River MI- 503 PM EDT Fri May 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .LATE THIS AFTERNOON...Southwest wind 15 to 20 knots. Sunny. Waves 2 to 3 feet building to 2 to 4 feet. .TONIGHT...Southwest wind 10 to 20 knots. Clear. Waves subsiding to 2 to 3 feet. .SATURDAY...Southwest wind 10 to 20 knots veering west 10 to 15 knots late. Sunny. Waves building to 2 to 4 feet. .SATURDAY NIGHT...Northeast wind less than 10 knots veering east after midnight. Clear. Waves subsiding to 1 to 2 feet. .SUNDAY...East wind 10 to 20 knots. Mostly cloudy. A chance of rain showers in the afternoon. Waves building to 2 to 3 feet. $$ LSZ242-160800- Ontonagon to Upper Entrance of Portage Canal MI- 503 PM EDT Fri May 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .LATE THIS AFTERNOON...Southwest wind 10 to 15 knots with gusts up to 25 knots. Sunny. Waves 2 to 3 feet. .TONIGHT...Southwest wind 10 to 20 knots. Clear. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet. .SATURDAY...West wind 10 to 20 knots diminishing to 5 to 15 knots late. Sunny. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet. .SATURDAY NIGHT...Northeast wind less than 10 knots veering east after midnight. Clear. Waves subsiding to 1 to 2 feet. .SUNDAY...East wind 15 to 25 knots. Mostly cloudy. A chance of rain showers and a slight chance of thunderstorms in the afternoon. Waves building to 2 to 4 feet. $$ LSZ245-160800- Manitou Island to Point Isabelle MI- 503 PM EDT Fri May 15 2026 .LATE THIS AFTERNOON...South wind 10 to 15 knots. Sunny. Waves 2 to 4 feet. .TONIGHT...Southwest wind 10 to 20 knots becoming 10 to 15 knots late. Mostly clear. Waves subsiding to 2 to 3 feet, then building to 2 to 4 feet. .SATURDAY...West wind 10 to 20 knots veering northwest late. Sunny. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet. .SATURDAY NIGHT...North wind less than 10 knots veering northeast after midnight. Clear. Waves 1 to 2 feet. .SUNDAY...East wind 10 to 20 knots with gusts up to 27 knots. Partly cloudy. A chance of rain showers in the afternoon. Waves building to 2 to 4 feet. $$ LSZ244-160800- Eagle River to Manitou Island MI- 503 PM EDT Fri May 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .LATE THIS AFTERNOON...Southwest wind 10 to 15 knots with gusts up to 25 knots. Sunny. Waves 2 to 4 feet subsiding to 2 to 3 feet. .TONIGHT...Southwest wind 10 to 20 knots. Clear. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet. .SATURDAY...West wind 10 to 20 knots becoming 10 to 15 knots late. Sunny. Waves building to 2 to 4 feet. .SATURDAY NIGHT...North wind less than 10 knots veering northeast after midnight. Clear. Waves subsiding to 1 to 2 feet. .SUNDAY...East wind 10 to 20 knots. Partly cloudy. A chance of rain showers in the afternoon. Waves building to 2 to 4 feet. $$ LSZ246-160800- Point Isabelle to Lower Entrance of Portage Canal MI- 503 PM EDT Fri May 15 2026 .LATE THIS AFTERNOON...Southwest wind 10 to 15 knots with gusts up to 26 knots. Sunny. Waves 2 to 3 feet subsiding to 1 to 2 feet. .TONIGHT...Southwest wind 10 to 15 knots with gusts up to 23 knots. Mostly clear. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. .SATURDAY...West wind 10 to 20 knots veering northwest late. Gusts up to 29 knots. Sunny. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. .SATURDAY NIGHT...North wind less than 10 knots veering northeast after midnight. Clear. Waves calm to 1 foot. .SUNDAY...East wind 10 to 20 knots increasing to 20 to 25 knots in the afternoon. Mostly cloudy. A chance of rain showers in the afternoon. Waves building to 3 to 5 feet occasionally to 7 feet. $$ LSZ247-160800- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 503 PM EDT Fri May 15 2026 .LATE THIS AFTERNOON...Southwest wind 10 to 15 knots with gusts up to 25 knots. Sunny. Waves 1 to 2 feet. .TONIGHT...Southwest wind 10 to 20 knots. Mostly clear. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. .SATURDAY...West wind 10 to 15 knots veering northwest 10 to 20 knots late. Gusts up to 27 knots. Sunny. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. .SATURDAY NIGHT...Northeast wind less than 10 knots veering east after midnight. Clear. Waves 1 to 2 feet. .SUNDAY...East wind 10 to 20 knots increasing to 20 to 25 knots in the afternoon. Partly cloudy. A chance of rain showers in the afternoon. Waves building to 3 to 5 feet occasionally to 7 feet. $$ LSZ248-160800- Huron Islands to Marquette MI- 503 PM EDT Fri May 15 2026 .LATE THIS AFTERNOON...Southwest wind 10 to 15 knots. Sunny. Waves 2 to 3 feet subsiding to 1 to 2 feet, then building to 2 to 3 feet. .TONIGHT...Southwest wind 15 to 20 knots diminishing to 10 to 15 knots late. Mostly clear then becoming mostly cloudy by midnight then becoming mostly clear. A slight chance of showers and thunderstorms through midnight. Waves subsiding to 1 to 2 feet. .SATURDAY...West wind 10 to 15 knots veering northwest 15 to 20 knots by late morning. Gusts up to 27 knots. Sunny. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet. .SATURDAY NIGHT...North wind 5 to 15 knots becoming less than 10 knots after midnight. Clear. Waves subsiding to 1 to 2 feet. .SUNDAY...East wind 5 to 15 knots increasing to 15 to 20 knots in the afternoon. Partly cloudy. A chance of rain showers in the afternoon. Waves building to 3 to 5 feet occasionally to 7 feet. $$ LSZ249-160800- Marquette to Munising MI- 503 PM EDT Fri May 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT SATURDAY... .LATE THIS AFTERNOON...South wind 15 to 20 knots with gusts up to 28 knots. Sunny. Waves 2 to 3 feet building to 2 to 4 feet. .TONIGHT...South wind 15 to 25 knots veering southwest 10 to 15 knots late. Mostly clear through late evening then becoming mostly cloudy. A chance of showers and a slight chance of thunderstorms. Waves subsiding to 1 to 2 feet. .SATURDAY...West wind 10 to 15 knots veering northwest 10 to 20 knots by late morning. Gusts up to 27 knots. Sunny. Waves building to 2 to 4 feet. .SATURDAY NIGHT...North wind 5 to 15 knots. Clear. Waves subsiding to 1 to 2 feet. .SUNDAY...Northeast wind 5 to 15 knots veering east 10 to 15 knots in the afternoon. Partly cloudy. A chance of rain showers in the afternoon. Waves building to 2 to 4 feet. $$ LSZ250-160800- Munising to Grand Marais MI- 503 PM EDT Fri May 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT SATURDAY... .LATE THIS AFTERNOON...South wind 20 to 25 knots. Sunny. Waves 2 to 4 feet. .TONIGHT...South wind 15 to 25 knots with gusts up to 32 knots. Partly cloudy through late evening then becoming mostly cloudy. A slight chance of showers and thunderstorms through late evening, then a chance of showers and a slight chance of thunderstorms by midnight. Waves subsiding to 1 to 2 feet. .SATURDAY...Southwest wind 10 to 15 knots veering northwest late. Gusts up to 24 knots. Sunny. Waves building to 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots veering north less than 10 knots after midnight. Mostly clear. Waves subsiding to 1 to 2 feet. .SUNDAY...Northeast wind 5 to 15 knots veering east 10 to 15 knots in the afternoon. Partly cloudy. A slight chance of rain showers in the afternoon. Waves building to 2 to 3 feet. $$ LSZ251-160800- Grand Marais to Whitefish Point MI- 503 PM EDT Fri May 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT SATURDAY... .LATE THIS AFTERNOON...South wind 20 to 25 knots. Sunny. Waves 2 to 4 feet. .TONIGHT...South wind 15 to 25 knots with gusts up to 33 knots. Mostly clear with a slight chance of showers and thunderstorms through late evening, then mostly cloudy with a chance of showers and a slight chance of thunderstorms by midnight. Waves subsiding to 1 to 2 feet. .SATURDAY...Southwest wind 10 to 15 knots veering west by late morning. Gusts up to 22 knots. Partly cloudy through mid morning then clearing. Waves building to 2 to 3 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots veering north less than 10 knots after midnight. Mostly clear. Waves subsiding to 1 to 2 feet. .SUNDAY...Northeast wind less than 10 knots veering east 10 to 15 knots in the afternoon. Mostly sunny in the morning then becoming mostly cloudy. Waves building to 2 to 3 feet. $$ WFO MQT