Nearshore Marine Forecast
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
247 FZUS53 KMQT 152201 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 500 PM EST Mon Dec 15 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. LMZ221-160900- Green Bay North of line from Cedar River MI to Rock Island Passage- 500 PM EST Mon Dec 15 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING... .LATE THIS AFTERNOON...West wind less than 10 knots. Partly cloudy. Waves 1 to 2 feet. .TONIGHT...West wind less than 10 knots backing southwest 5 to 15 knots late. Partly cloudy through late evening then becoming mostly cloudy. Waves 1 to 2 feet. .TUESDAY...Southwest wind up to 30 knots. Cloudy. A slight chance of freezing rain through early afternoon. Waves building to 4 to 7 feet occasionally to 9 feet. .TUESDAY NIGHT...Southwest wind 15 to 25 knots veering west 15 to 20 knots after midnight. Gale force gusts up to 35 knots. Mostly cloudy. Waves subsiding to 2 to 4 feet. .WEDNESDAY...Northwest wind 10 to 15 knots backing southwest in the afternoon. Gusts up to 23 knots. Partly cloudy. Waves subsiding to 1 to 2 feet. Note: Wave height forecasts are for ice free areas. $$ LMZ250-160900- 5NM East of a line from Fairport MI to Rock Island Passage- 500 PM EST Mon Dec 15 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING... .LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Partly cloudy. Waves 2 to 4 feet. .TONIGHT...Northwest wind less than 10 knots backing west by midnight, then backing southwest 10 to 20 knots late. Partly cloudy through late evening then becoming mostly cloudy. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet. .TUESDAY...Southwest wind up to 30 knots. Cloudy. A slight chance of freezing rain by late morning. Waves building to 7 to 10 feet occasionally to 13 feet. .TUESDAY NIGHT...Southwest wind up to 30 knots veering west 15 to 20 knots after midnight. Gale force gusts up to 37 knots. Mostly cloudy. Waves subsiding to 3 to 5 feet occasionally to 7 feet. .WEDNESDAY...Northwest wind 10 to 20 knots backing southwest 10 to 15 knots in the afternoon. Partly cloudy. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet. Note: Wave height forecasts are for ice free areas. $$ LMZ248-160900- Seul Choix Point to Point Detour MI- 500 PM EST Mon Dec 15 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EST THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING... .LATE THIS AFTERNOON...West wind less than 10 knots. Partly cloudy. Waves 3 to 5 feet occasionally to 7 feet subsiding to 2 to 4 feet. .TONIGHT...West wind less than 10 knots backing southwest 5 to 15 knots late. Partly cloudy through late evening then becoming mostly cloudy. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet. .TUESDAY...Southwest wind up to 30 knots. Gale force gusts up to 38 knots. Cloudy. A slight chance of freezing rain through mid morning, then a slight chance of rain showers and freezing rain by late morning. Waves building to 9 to 12 feet occasionally to 15 feet. .TUESDAY NIGHT...Southwest wind up to 30 knots veering west 15 to 20 knots after midnight. Gale force gusts up to 38 knots. Mostly cloudy. Waves subsiding to 3 to 6 feet occasionally to 8 feet. .WEDNESDAY...Northwest wind 10 to 20 knots backing southwest 10 to 15 knots in the afternoon. Partly cloudy. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet. Note: Wave height forecasts are for ice free areas. $$ LSZ240-160900- Saxon Harbor WI to Black River MI- 500 PM EST Mon Dec 15 2025 /400 PM CST Mon Dec 15 2025/ ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING... .LATE THIS AFTERNOON...West wind less than 10 knots. Mostly cloudy. Waves calm to 1 foot. .TONIGHT...Southwest wind less than 10 knots increasing to 10 to 20 knots by midnight. Mostly cloudy. Waves building to 1 to 2 feet. .TUESDAY...Southwest wind 20 to 25 knots with gusts up to 33 knots. Partly cloudy. A slight chance of freezing rain through mid morning. Waves building to 3 to 6 feet occasionally to 8 feet. .TUESDAY NIGHT...West wind up to 30 knots. Mostly cloudy. Waves building to 5 to 8 feet occasionally to 10 feet, then subsiding to 3 to 5 feet occasionally to 7 feet. .WEDNESDAY...West wind 10 to 20 knots backing south in the afternoon. Gusts up to 29 knots. Partly cloudy. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet. Note: Wave height forecasts are for ice free areas. $$ LSZ241-160900- Black River to Ontonagon MI- 500 PM EST Mon Dec 15 2025 /400 PM CST Mon Dec 15 2025/ ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .LATE THIS AFTERNOON...West wind 10 to 15 knots. Cloudy. Waves 1 to 2 feet. .TONIGHT...West wind less than 10 knots backing southwest 10 to 20 knots by midnight. Cloudy. Waves building to 2 to 3 feet. .TUESDAY...Southwest wind 15 to 25 knots increasing to up to 30 knots late. Gale force gusts up to 39 knots. Cloudy through mid morning then becoming partly cloudy. A slight chance of rain showers and freezing rain through mid morning. Waves building to 5 to 8 feet occasionally to 10 feet. .TUESDAY NIGHT...West wind up to 30 knots. Gale force gusts up to 43 knots. Mostly cloudy. Waves building to 9 to 12 feet occasionally to 15 feet, then subsiding to 5 to 8 feet occasionally to 10 feet. .WEDNESDAY...West wind 10 to 20 knots backing south 10 to 15 knots in the afternoon. Mostly cloudy. Waves subsiding to 1 to 2 feet. Note: Wave height forecasts are for ice free areas. $$ LSZ243-160900- Upper Entrance of Portage Canal to Eagle River MI- 500 PM EST Mon Dec 15 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY MORNING... .LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Cloudy. Waves 2 to 4 feet subsiding to 2 to 3 feet. .TONIGHT...Northwest wind less than 10 knots backing southwest 5 to 15 knots by midnight, then increasing to 15 to 20 knots late. Cloudy. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet. .TUESDAY...Southwest wind up to 30 knots. Gale force gusts up to 40 knots. Cloudy with a chance of sleet possibly mixed with freezing rain through mid morning, then partly cloudy by late morning. Waves building to 9 to 12 feet occasionally to 15 feet. .TUESDAY NIGHT...West gales to 35 knots veering northwest up to 30 knots after midnight. Gale force gusts up to 44 knots. Mostly cloudy. Waves building to 12 to 17 feet occasionally to 21 feet, then subsiding to 7 to 10 feet occasionally to 13 feet. .WEDNESDAY...West wind 15 to 20 knots backing southwest 10 to 15 knots in the afternoon. Mostly cloudy. Waves subsiding to 2 to 3 feet. Note: Wave height forecasts are for ice free areas. $$ LSZ242-160900- Ontonagon to Upper Entrance of Portage Canal MI- 500 PM EST Mon Dec 15 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Cloudy. Waves 2 to 3 feet. .TONIGHT...Northwest wind less than 10 knots backing southwest 5 to 15 knots by midnight, then increasing to 15 to 20 knots late. Cloudy. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet. .TUESDAY...Southwest wind 15 to 25 knots increasing to up to 30 knots late. Gale force gusts up to 40 knots. Cloudy through mid morning then becoming partly cloudy. A slight chance of freezing rain and snow showers through mid morning. Waves building to 7 to 10 feet occasionally to 13 feet. .TUESDAY NIGHT...West gales to 35 knots veering northwest up to 30 knots after midnight. Gale force gusts up to 44 knots. Mostly cloudy. Waves building to 11 to 15 feet occasionally to 19 feet, then subsiding to 7 to 10 feet occasionally to 13 feet. .WEDNESDAY...West wind 10 to 20 knots backing southwest 10 to 15 knots in the afternoon. Mostly cloudy. Waves subsiding to 2 to 3 feet. Note: Wave height forecasts are for ice free areas. $$ LSZ245-160900- Manitou Island to Point Isabelle MI- 500 PM EST Mon Dec 15 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY MORNING... .LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Cloudy. Waves 2 to 3 feet. .TONIGHT...Northwest wind 5 to 15 knots backing west by midnight, then backing southwest 15 to 20 knots late. Cloudy. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet. .TUESDAY...Southwest wind 15 to 25 knots becoming 20 to 25 knots late. Gusts up to 33 knots. Cloudy through early afternoon then becoming partly cloudy. A chance of freezing rain possibly mixed with sleet through mid morning, then a slight chance of rain showers by late morning. Waves building to 3 to 6 feet occasionally to 8 feet. .TUESDAY NIGHT...West wind up to 30 knots veering northwest after midnight. Gale force gusts up to 42 knots. Partly cloudy in the evening, then mostly cloudy with a slight chance of rain showers and snow showers after midnight. Waves building to 8 to 11 feet occasionally to 14 feet, then subsiding to 7 to 10 feet occasionally to 13 feet. .WEDNESDAY...Northwest wind 15 to 25 knots backing southwest 10 to 20 knots in the afternoon. Gusts up to 32 knots. Mostly cloudy. Waves subsiding to 1 to 2 feet, then building to 2 to 4 feet. Note: Wave height forecasts are for ice free areas. $$ LSZ244-160900- Eagle River to Manitou Island MI- 500 PM EST Mon Dec 15 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY MORNING... .LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Cloudy. Waves 2 to 4 feet. .TONIGHT...Northwest wind 5 to 15 knots backing southwest 10 to 20 knots late. Cloudy. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet. .TUESDAY...Southwest wind 15 to 25 knots increasing to up to 30 knots late. Gale force gusts up to 41 knots. Cloudy through early afternoon then becoming partly cloudy. A chance of freezing rain and sleet through mid morning, then a slight chance of rain showers by late morning. Waves building to 9 to 12 feet occasionally to 15 feet. .TUESDAY NIGHT...West gales to 35 knots veering northwest after midnight. Gale force gusts up to 44 knots. Mostly cloudy. A slight chance of rain showers in the evening, then a slight chance of rain showers and snow showers after midnight. Waves building to 12 to 17 feet occasionally to 21 feet, then subsiding to 10 to 14 feet occasionally to 18 feet. .WEDNESDAY...Northwest wind 15 to 25 knots backing southwest 10 to 20 knots in the afternoon. Mostly cloudy. Waves subsiding to 2 to 3 feet, then building to 2 to 4 feet. Note: Wave height forecasts are for ice free areas. $$ LSZ246-160900- Point Isabelle to Lower Entrance of Portage Canal MI- 500 PM EST Mon Dec 15 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY MORNING... .LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Cloudy. Waves calm to 1 foot. .TONIGHT...Northwest wind less than 10 knots backing southwest 10 to 15 knots late. Cloudy. Waves building to 1 to 2 feet. .TUESDAY...Southwest wind 15 to 25 knots becoming 20 to 25 knots late. Gale force gusts up to 35 knots. Cloudy through early afternoon then becoming partly cloudy. A chance of sleet possibly mixed with freezing rain and snow showers through mid morning. Waves building to 3 to 5 feet occasionally to 7 feet. .TUESDAY NIGHT...West wind up to 30 knots veering northwest after midnight. Gale force gusts up to 42 knots. Mostly cloudy. A slight chance of rain showers in the evening, then a slight chance of rain showers and snow showers after midnight. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 2 to 3 feet. .WEDNESDAY...West wind 10 to 20 knots backing southwest 10 to 15 knots in the afternoon. Gusts up to 27 knots. Mostly cloudy. Waves subsiding to 1 to 2 feet. Note: Wave height forecasts are for ice free areas. $$ LSZ247-160900- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 500 PM EST Mon Dec 15 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY MORNING... .LATE THIS AFTERNOON...West wind 10 to 15 knots. Cloudy with a slight chance of snow showers. Waves 1 to 2 feet. .TONIGHT...West wind 5 to 15 knots backing southwest 10 to 15 knots by midnight. Cloudy. Waves 1 to 2 feet. .TUESDAY...Southwest wind 15 to 25 knots with gale force gusts up to 35 knots. Cloudy through early afternoon then becoming partly cloudy. A slight chance of freezing rain and snow showers through mid morning. Waves building to 3 to 6 feet occasionally to 8 feet. .TUESDAY NIGHT...West wind up to 30 knots becoming gales to 35 knots after midnight. Gale force gusts up to 44 knots. Partly cloudy in the evening, then mostly cloudy with a slight chance of snow showers after midnight. Waves building to 7 to 10 feet occasionally to 13 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .WEDNESDAY...West wind 15 to 25 knots backing southwest 10 to 15 knots in the afternoon. Mostly cloudy. Waves subsiding to 1 to 2 feet. Note: Wave height forecasts are for ice free areas. $$ LSZ248-160900- Huron Islands to Marquette MI- 500 PM EST Mon Dec 15 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY MORNING... .LATE THIS AFTERNOON...Northwest wind 15 to 20 knots. Cloudy with a slight chance of snow showers. Waves 2 to 3 feet. .TONIGHT...Northwest wind 10 to 15 knots backing southwest late. Cloudy. Waves subsiding to 1 to 2 feet. .TUESDAY...Southwest wind 15 to 25 knots becoming 15 to 20 knots late. Gale force gusts up to 35 knots. Mostly cloudy. A slight chance of freezing rain, snow showers and sleet through mid morning, then a slight chance of rain showers and freezing rain by late morning. Waves building to 3 to 5 feet occasionally to 7 feet. .TUESDAY NIGHT...West gales to 35 knots veering northwest after midnight. Gale force gusts up to 46 knots. Partly cloudy in the evening, then mostly cloudy with a slight chance of rain showers and snow showers after midnight. Waves building to 10 to 14 feet occasionally to 18 feet, then subsiding to 7 to 10 feet occasionally to 13 feet. .WEDNESDAY...Northwest wind 15 to 25 knots backing southwest 10 to 20 knots in the afternoon. Gusts up to 33 knots. Mostly cloudy. Waves subsiding to 2 to 3 feet, then building to 2 to 4 feet. Note: Wave height forecasts are for ice free areas. $$ LSZ249-160900- Marquette to Munising MI- 500 PM EST Mon Dec 15 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EST THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE TUESDAY NIGHT... ...GALE WARNING IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY MORNING... .LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Cloudy with a slight chance of snow showers. Waves 2 to 4 feet. .TONIGHT...Northwest wind 10 to 15 knots backing southwest 10 to 20 knots late. Cloudy. A slight chance of snow showers through late evening. Waves subsiding to 2 to 3 feet. .TUESDAY...South wind 20 to 25 knots with gale force gusts up to 35 knots. Cloudy. A chance of sleet possibly mixed with freezing rain and snow showers through mid morning, then a chance of freezing rain by late morning. Waves building to 3 to 6 feet occasionally to 8 feet, then subsiding to 3 to 5 feet occasionally to 7 feet. .TUESDAY NIGHT...Southwest wind up to 30 knots veering west with gale force gusts up to 41 knots after midnight. Partly cloudy with a slight chance of rain showers and snow showers in the evening, then mostly cloudy with a chance of snow showers possibly mixed with rain showers after midnight. Waves subsiding to 2 to 4 feet, then building to 12 to 17 feet occasionally to 21 feet. .WEDNESDAY...Northwest wind up to 30 knots becoming southwest 10 to 20 knots in the afternoon. Mostly cloudy. Waves subsiding to 3 to 5 feet occasionally to 7 feet. Note: Wave height forecasts are for ice free areas. $$ LSZ250-160900- Munising to Grand Marais MI- 500 PM EST Mon Dec 15 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY... ...SMALL CRAFT ADVISORY IN EFFECT TUESDAY MORNING... ...GALE WARNING IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING... .LATE THIS AFTERNOON...Northwest wind 15 to 20 knots. Cloudy with a chance of snow showers. Waves 3 to 5 feet occasionally to 7 feet. .TONIGHT...Northwest wind 10 to 20 knots backing southwest late. Cloudy. A slight chance of snow showers through late evening. Waves subsiding to 2 to 3 feet. .TUESDAY...South wind up to 30 knots with gale force gusts up to 37 knots. Cloudy. A chance of sleet possibly mixed with freezing rain and snow showers through mid morning, then a chance of freezing rain by late morning. Waves building to 3 to 6 feet occasionally to 8 feet. .TUESDAY NIGHT...Southwest wind up to 30 knots veering west gales to 35 knots after midnight. Gale force gusts up to 42 knots. Mostly cloudy. A slight chance of rain showers in the evening, then a chance of snow showers possibly mixed with rain showers after midnight. Waves building to 12 to 17 feet occasionally to 21 feet. .WEDNESDAY...Northwest wind up to 30 knots becoming southwest 10 to 20 knots in the afternoon. Mostly cloudy. A slight chance of snow showers in the morning. Waves subsiding to 3 to 5 feet occasionally to 7 feet. Note: Wave height forecasts are for ice free areas. $$ LSZ251-160900- Grand Marais to Whitefish Point MI- 500 PM EST Mon Dec 15 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY... ...SMALL CRAFT ADVISORY IN EFFECT TUESDAY MORNING... ...GALE WARNING IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING... .LATE THIS AFTERNOON...West wind 15 to 20 knots. Snow showers likely. Waves 3 to 5 feet occasionally to 7 feet building to 3 to 6 feet occasionally to 8 feet. .TONIGHT...Northwest wind 10 to 20 knots backing southwest late. Cloudy. A chance of snow showers through late evening. Waves subsiding to 2 to 3 feet. .TUESDAY...South wind 15 to 25 knots veering southwest up to 30 knots by late morning. Gale force gusts up to 38 knots. Cloudy. A chance of freezing rain and snow showers possibly mixed with rain showers. Waves building to 3 to 6 feet occasionally to 8 feet, then subsiding to 3 to 5 feet occasionally to 7 feet. .TUESDAY NIGHT...Southwest wind up to 30 knots veering west gales to 35 knots after midnight. Gale force gusts up to 42 knots. Cloudy. A slight chance of rain showers in the evening, then a chance of rain showers and snow showers after midnight. Waves building to 15 to 20 feet occasionally to 25 feet. .WEDNESDAY...Northwest wind up to 30 knots with gale force gusts up to 38 knots becoming southwest 10 to 20 knots in the afternoon. Mostly cloudy. Waves subsiding to 3 to 5 feet occasionally to 7 feet. Note: Wave height forecasts are for ice free areas. $$ WFO MQT