FZUS53 KMQT 182101 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 500 PM EDT Wed Mar 18 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. LMZ221-190800- Green Bay North of line from Cedar River MI to Rock Island Passage- 500 PM EDT Wed Mar 18 2026 .LATE THIS AFTERNOON...Southwest wind 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet. .TONIGHT...Southwest wind less than 10 knots veering northwest late. Mostly cloudy. A slight chance of snow showers by midnight. Waves subsiding to 1 to 2 feet. .THURSDAY...Variable wind less than 10 knots. Partly cloudy. Waves 1 to 2 feet. .THURSDAY NIGHT...South wind less than 10 knots. Cloudy. A slight chance of snow showers in the evening, then a chance of rain showers possibly mixed with snow showers after midnight. Waves calm to 1 foot. .FRIDAY...West wind less than 10 knots veering northwest in the afternoon. Mostly cloudy. A slight chance of rain showers in the morning. Waves calm to 1 foot. $$ LMZ248-250-190800- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 500 PM EDT Wed Mar 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT THURSDAY... .LATE THIS AFTERNOON...Southwest wind 10 to 20 knots. Mostly cloudy. Waves 4 to 7 feet occasionally to 9 feet subsiding to 3 to 6 feet occasionally to 8 feet. .TONIGHT...Southwest wind 10 to 15 knots veering northwest less than 10 knots late. Mostly cloudy. A slight chance of snow showers by midnight. Waves subsiding to 1 to 2 feet. .THURSDAY...Northwest wind less than 10 knots through early afternoon becoming variable. Partly cloudy. Waves 1 to 2 feet. .THURSDAY NIGHT...South wind 5 to 15 knots. Cloudy. A slight chance of snow showers in the evening, then a chance of rain showers possibly mixed with snow showers after midnight. Waves building to 1 to 2 feet. .FRIDAY...Southwest wind 5 to 15 knots veering northwest less than 10 knots in the afternoon. Mostly cloudy. A slight chance of rain showers in the morning. Waves 1 to 2 feet. $$ LSZ240-241-190800- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 500 PM EDT Wed Mar 18 2026 /400 PM CDT Wed Mar 18 2026/ .LATE THIS AFTERNOON...Southwest wind less than 10 knots. Mostly cloudy with a slight chance of rain showers. Waves 1 to 2 feet. .TONIGHT...Southwest wind less than 10 knots veering north late. Mostly cloudy. A slight chance of rain showers through midnight. Waves calm to 1 foot. .THURSDAY...Northeast wind less than 10 knots through early afternoon becoming variable. Partly cloudy. Waves calm to 1 foot. .THURSDAY NIGHT...South wind 5 to 15 knots veering southwest 10 to 15 knots after midnight. Mostly cloudy. A slight chance of rain showers possibly mixed with snow showers in the evening, then a slight chance of rain showers after midnight. Waves building to 1 to 2 feet. .FRIDAY...West wind less than 10 knots. Mostly cloudy. Waves calm to 1 foot. $$ LSZ242-243-190800- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 500 PM EDT Wed Mar 18 2026 .LATE THIS AFTERNOON...West wind 10 to 15 knots. Mostly cloudy. Waves 2 to 3 feet. .TONIGHT...West wind 10 to 15 knots veering north less than 10 knots late. Mostly cloudy with a chance of rain showers possibly mixed with snow showers through midnight, then partly cloudy late. Waves subsiding to 1 to 2 feet. .THURSDAY...North wind less than 10 knots backing northwest by late morning, then backing south late. Partly cloudy. A chance of snow showers possibly mixed with rain showers late. Waves 1 to 2 feet. .THURSDAY NIGHT...Southeast wind 5 to 15 knots veering southwest 10 to 15 knots after midnight. Mostly cloudy. A chance of rain showers and snow showers in the evening, then a chance of rain showers after midnight. Waves building to 1 to 2 feet. .FRIDAY...West wind 5 to 15 knots. Mostly cloudy. Waves 1 to 2 feet. $$ LSZ244-245-190800- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 500 PM EDT Wed Mar 18 2026 .LATE THIS AFTERNOON...Southwest wind 10 to 15 knots. Mostly cloudy. Waves 2 to 3 feet. .TONIGHT...West wind 10 to 15 knots veering northwest less than 10 knots late. Mostly cloudy with a slight chance of snow showers through midnight, then partly cloudy late. Waves subsiding to 1 to 2 feet. .THURSDAY...North wind less than 10 knots backing southwest late. Partly cloudy. A chance of snow showers late. Waves 1 to 2 feet. .THURSDAY NIGHT...Southeast wind 5 to 15 knots veering southwest 10 to 15 knots after midnight. Gusts up to 22 knots. Cloudy. Snow showers possibly mixed with rain showers in the evening, then a chance of rain showers possibly mixed with snow showers after midnight. Waves building to 2 to 3 feet. .FRIDAY...Northwest wind 10 to 15 knots. Mostly cloudy. Waves subsiding to 1 to 2 feet. $$ LSZ246-190800- Point Isabelle to Lower Entrance of Portage Canal MI- 500 PM EDT Wed Mar 18 2026 .LATE THIS AFTERNOON...Southwest wind less than 10 knots with gusts up to 17 knots. Mostly cloudy. Waves calm to 1 foot. .TONIGHT...West wind less than 10 knots veering northwest late. Mostly cloudy with a slight chance of snow showers through late evening, then partly cloudy with a chance of rain showers possibly mixed with freezing rain and snow showers by midnight. Partly cloudy late. Waves calm to 1 foot. .THURSDAY...Variable wind less than 10 knots becoming south less than 10 knots late. Partly cloudy. A chance of snow showers late. Waves calm to 1 foot. .THURSDAY NIGHT...Southeast wind 10 to 15 knots veering southwest after midnight. Mostly cloudy. A chance of snow showers possibly mixed with rain showers in the evening, then a chance of rain showers after midnight. Waves building to 1 to 2 feet. .FRIDAY...Northwest wind less than 10 knots. Mostly cloudy. Waves 1 to 2 feet. $$ LSZ247-190800- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 500 PM EDT Wed Mar 18 2026 .LATE THIS AFTERNOON...Southwest wind less than 10 knots with gusts up to 17 knots. Mostly cloudy. Waves calm to 1 foot. .TONIGHT...West wind less than 10 knots veering northwest late. Mostly cloudy. A chance of snow showers through late evening, then a chance of rain showers possibly mixed with freezing rain by midnight. A slight chance of snow showers by midnight. Waves calm to 1 foot. .THURSDAY...Northwest wind less than 10 knots through mid morning becoming variable, then becoming southeast less than 10 knots late. Partly cloudy. A chance of snow showers late. Waves calm to 1 foot. .THURSDAY NIGHT...Southeast wind less than 10 knots veering southwest 10 to 15 knots after midnight. Mostly cloudy. A chance of rain showers and snow showers in the evening, then a chance of rain showers after midnight. Waves calm to 1 foot. .FRIDAY...West wind 5 to 15 knots. Mostly cloudy. Waves calm to 1 foot. $$ LSZ248-190800- Huron Islands to Marquette MI- 500 PM EDT Wed Mar 18 2026 .LATE THIS AFTERNOON...Southwest wind less than 10 knots with gusts up to 17 knots. Mostly cloudy. Waves 1 to 2 feet. .TONIGHT...West wind less than 10 knots veering northwest late. Mostly cloudy. A slight chance of snow showers through late evening, then a chance of snow showers by midnight. A slight chance of snow showers late. Waves calm to 1 foot. .THURSDAY...Northwest wind less than 10 knots veering east late. Partly cloudy. A chance of rain showers and snow showers late. Waves calm to 1 foot. .THURSDAY NIGHT...Southeast wind 5 to 15 knots veering southwest 10 to 15 knots after midnight. Gusts up to 22 knots. Mostly cloudy. A chance of snow showers possibly mixed with rain showers in the evening, then a chance of rain showers after midnight. Waves building to 1 to 2 feet. .FRIDAY...Northwest wind 5 to 15 knots. Mostly cloudy. Waves 1 to 2 feet. $$ LSZ249-190800- Marquette to Munising MI- 500 PM EDT Wed Mar 18 2026 .LATE THIS AFTERNOON...Southwest wind 10 to 15 knots. Mostly cloudy. Waves 1 to 2 feet. .TONIGHT...Southwest wind 10 to 15 knots veering northwest late. Mostly cloudy with a slight chance of snow showers. Waves 1 to 2 feet. .THURSDAY...Northwest wind 5 to 15 knots veering northeast less than 10 knots late. Partly cloudy. Waves 1 to 2 feet. .THURSDAY NIGHT...South wind 10 to 20 knots becoming 15 to 20 knots after midnight. Cloudy. A chance of snow showers possibly mixed with rain showers in the evening, then rain showers possibly mixed with snow showers after midnight. Waves building to 1 to 2 feet. .FRIDAY...West wind 10 to 15 knots veering northwest in the afternoon. Mostly cloudy. A slight chance of rain showers in the morning. Waves 1 to 2 feet. $$ LSZ250-190800- Munising to Grand Marais MI- 500 PM EDT Wed Mar 18 2026 .LATE THIS AFTERNOON...Southwest wind 10 to 15 knots. Mostly cloudy. Waves 1 to 2 feet. .TONIGHT...Southwest wind 10 to 15 knots veering northwest late. Mostly cloudy. A slight chance of snow showers by midnight. Waves 1 to 2 feet. .THURSDAY...Northwest wind 5 to 15 knots backing west less than 10 knots late. Mostly cloudy. Waves 1 to 2 feet. .THURSDAY NIGHT...South wind 5 to 15 knots increasing to 15 to 20 knots after midnight. Cloudy. A chance of snow showers in the evening, then rain showers possibly mixed with snow showers after midnight. Waves building to 1 to 2 feet. .FRIDAY...West wind 10 to 15 knots veering northwest in the afternoon. Mostly cloudy. A slight chance of rain showers in the morning. Waves building to 2 to 3 feet. $$ LSZ251-190800- Grand Marais to Whitefish Point MI- 500 PM EDT Wed Mar 18 2026 .LATE THIS AFTERNOON...Southwest wind 15 to 20 knots. Mostly cloudy with a chance of snow showers. Waves 1 to 2 feet. .TONIGHT...Southwest wind 10 to 15 knots veering northwest late. Mostly cloudy. Waves 1 to 2 feet. .THURSDAY...Northwest wind 5 to 15 knots backing west less than 10 knots late. Partly cloudy. Waves 1 to 2 feet. .THURSDAY NIGHT...South wind 5 to 15 knots. Cloudy. A chance of snow showers in the evening, then snow showers possibly mixed with rain showers after midnight. Waves building to 1 to 2 feet. .FRIDAY...Southwest wind 10 to 15 knots veering northwest in the afternoon. Mostly cloudy. A slight chance of rain showers possibly mixed with snow showers in the morning. Waves building to 2 to 3 feet. $$ WFO MQT