


Nearshore Marine Forecast
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
669 FZUS53 KMQT 052102 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 502 PM EDT Sat Jul 5 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. LMZ221-060800- Green Bay North of line from Cedar River MI to Rock Island Passage- 502 PM EDT Sat Jul 5 2025 ...Small craft should exercise caution from this afternoon through late tonight... .LATE THIS AFTERNOON...South wind 15 to 20 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 2 to 3 feet. .TONIGHT...Southwest wind 10 to 15 knots veering northwest late. Cloudy. Patchy fog through the night. Showers through late evening. A chance of thunderstorms through midnight. A chance of showers by midnight. Waves subsiding to 1 to 2 feet. .SUNDAY...North wind 10 to 15 knots with gusts up to 22 knots. Mostly cloudy through mid morning then clearing. Waves building to 2 to 3 feet. .SUNDAY NIGHT...North wind 5 to 15 knots. Mostly clear. Waves subsiding to 1 to 2 feet. .MONDAY...North wind less than 10 knots in the morning becoming variable. Sunny. Waves calm to 1 foot. $$ LMZ248-250-060800- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 502 PM EDT Sat Jul 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT SUNDAY... .LATE THIS AFTERNOON...South wind 15 to 20 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 2 to 4 feet. .TONIGHT...Southwest wind 10 to 20 knots veering northwest 10 to 15 knots late. Cloudy. Patchy fog through the night. Showers in the evening. A chance of thunderstorms through the night. A chance of showers after midnight. Waves subsiding to 2 to 3 feet. .SUNDAY...North wind 10 to 15 knots. Mostly cloudy through mid morning then clearing. Patchy fog through mid morning. Waves subsiding to 1 to 2 feet. .SUNDAY NIGHT...North wind 5 to 15 knots. Mostly clear. Waves 1 to 2 feet. .MONDAY...North wind less than 10 knots backing southwest in the afternoon. Sunny. Waves calm to 1 foot. $$ LSZ240-241-060800- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 502 PM EDT Sat Jul 5 2025 /402 PM CDT Sat Jul 5 2025/ ...DENSE FOG ADVISORY IN EFFECT UNTIL 2 AM EDT /1 AM CDT/ SUNDAY... .LATE THIS AFTERNOON...Northwest wind less than 10 knots. Showers likely and a slight chance of thunderstorms. Patchy fog. Waves 1 to 2 feet. .TONIGHT...Northwest wind less than 10 knots veering north 5 to 15 knots late. Cloudy. A chance of showers through late evening. Patchy fog through late evening, then areas of dense fog by midnight. Patchy fog late. Waves building to 1 to 2 feet. .SUNDAY...Northeast wind 5 to 15 knots. Mostly sunny. Patchy fog through mid morning. Waves building to 2 to 4 feet, then subsiding to 1 to 2 feet. .SUNDAY NIGHT...Northeast wind less than 10 knots in the evening becoming variable. Mostly clear. Waves 1 to 2 feet. .MONDAY...Variable wind less than 10 knots becoming northeast less than 10 knots in the afternoon. Sunny. Waves calm to 1 foot. $$ LSZ243-060800- Upper Entrance of Portage Canal to Eagle River MI- 502 PM EDT Sat Jul 5 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 2 AM EDT SUNDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT SUNDAY THROUGH SUNDAY AFTERNOON... .LATE THIS AFTERNOON...Northwest wind less than 10 knots. Showers likely and a chance of thunderstorms. Patchy fog. Waves calm to 1 foot. .TONIGHT...Northwest wind less than 10 knots veering north 10 to 20 knots late. Cloudy. A chance of showers through late evening, then a slight chance of showers by midnight. Patchy fog through late evening, then areas of dense fog by midnight. Waves building to 2 to 4 feet. .SUNDAY...Northeast wind 10 to 20 knots backing north less than 10 knots late. Sunny. Waves subsiding to 1 to 2 feet. .SUNDAY NIGHT...Variable wind less than 10 knots. Mostly clear. Waves 1 to 2 feet. .MONDAY...Variable wind less than 10 knots. Mostly sunny. Waves calm to 1 foot. $$ LSZ242-060800- Ontonagon to Upper Entrance of Portage Canal MI- 502 PM EDT Sat Jul 5 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 2 AM EDT SUNDAY... .LATE THIS AFTERNOON...Northwest wind less than 10 knots. Cloudy with a chance of showers and thunderstorms. Patchy fog. Waves calm to 1 foot. .TONIGHT...Northwest wind less than 10 knots veering north 10 to 20 knots late. Cloudy. A chance of showers through late evening. Patchy fog through late evening, then areas of dense fog by midnight. Waves building to 2 to 3 feet. .SUNDAY...Northeast wind 10 to 20 knots. Mostly sunny. Waves building to 2 to 4 feet, then subsiding to 1 to 2 feet. .SUNDAY NIGHT...North wind less than 10 knots in the evening becoming variable. Mostly clear. Waves 1 to 2 feet. .MONDAY...Variable wind less than 10 knots becoming northeast less than 10 knots in the afternoon. Sunny. Waves calm to 1 foot. $$ LSZ245-060800- Manitou Island to Point Isabelle MI- 502 PM EDT Sat Jul 5 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 AM EDT SUNDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT SUNDAY THROUGH SUNDAY AFTERNOON... .LATE THIS AFTERNOON...Northeast wind less than 10 knots. Showers and a chance of thunderstorms. Patchy fog. Waves calm to 1 foot. .TONIGHT...North wind 10 to 15 knots increasing to 15 to 20 knots late. Cloudy. Showers likely and a slight chance of thunderstorms through late evening, then a slight chance of showers by midnight. Patchy fog through midnight. Waves building to 3 to 5 feet occasionally to 7 feet. .SUNDAY...North wind 10 to 20 knots diminishing to 5 to 15 knots late. Mostly sunny. Waves subsiding to 2 to 3 feet. .SUNDAY NIGHT...North wind less than 10 knots. Mostly clear. Waves subsiding to 1 to 2 feet. .MONDAY...Variable wind less than 10 knots. Sunny. Waves calm to 1 foot. $$ LSZ244-060800- Eagle River to Manitou Island MI- 502 PM EDT Sat Jul 5 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 2 AM EDT SUNDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT SUNDAY THROUGH SUNDAY AFTERNOON... .LATE THIS AFTERNOON...West wind less than 10 knots. Showers and a chance of thunderstorms. Patchy fog. Waves calm to 1 foot. .TONIGHT...Northwest wind 10 to 15 knots veering north 10 to 20 knots late. Cloudy. A chance of showers through late evening, then a slight chance of showers by midnight. Patchy fog through late evening, then areas of dense fog by midnight. Waves building to 3 to 5 feet occasionally to 7 feet. .SUNDAY...North wind 10 to 20 knots backing northwest 5 to 15 knots late. Sunny. Waves subsiding to 2 to 3 feet. .SUNDAY NIGHT...Northwest wind less than 10 knots. Mostly clear. Waves subsiding to 1 to 2 feet. .MONDAY...Variable wind less than 10 knots. Mostly sunny. Waves calm to 1 foot. $$ LSZ246-060800- Point Isabelle to Lower Entrance of Portage Canal MI- 502 PM EDT Sat Jul 5 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 AM EDT SUNDAY... .LATE THIS AFTERNOON...West wind less than 10 knots with gusts up to 17 knots. Showers and a chance of thunderstorms. Patchy fog. Waves calm to 1 foot. .TONIGHT...Northwest wind less than 10 knots veering north 10 to 15 knots late. Gusts up to 22 knots. Cloudy. A chance of showers through late evening, then a slight chance of showers by midnight. Patchy fog through midnight. Waves building to 1 to 2 feet. .SUNDAY...Northeast wind 5 to 15 knots. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Variable wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .MONDAY...Variable wind less than 10 knots. Gusts up to 15 knots. Sunny. Waves calm to 1 foot. $$ LSZ247-060800- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 502 PM EDT Sat Jul 5 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 AM EDT SUNDAY... .LATE THIS AFTERNOON...West wind less than 10 knots with gusts up to 18 knots. Showers and a chance of thunderstorms. Patchy fog. Waves calm to 1 foot. .TONIGHT...Northwest wind less than 10 knots veering north 5 to 15 knots late. Cloudy. Showers likely and a slight chance of thunderstorms through late evening, then a slight chance of showers by midnight. Patchy fog through midnight. Waves building to 2 to 3 feet. .SUNDAY...Northeast wind 5 to 15 knots. Mostly sunny. Waves subsiding to 1 to 2 feet. .SUNDAY NIGHT...Variable wind less than 10 knots. Clear. Waves 1 to 2 feet. .MONDAY...Variable wind less than 10 knots becoming east less than 10 knots in the afternoon. Sunny. Waves calm to 1 foot. $$ LSZ248-060800- Huron Islands to Marquette MI- 502 PM EDT Sat Jul 5 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 AM EDT SUNDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON... .LATE THIS AFTERNOON...Southwest wind less than 10 knots with gusts up to 17 knots. Showers and a chance of thunderstorms. Patchy fog. Waves calm to 1 foot. .TONIGHT...Northwest wind 10 to 15 knots. Cloudy. Patchy fog through the night. Showers likely and a slight chance of thunderstorms through late evening. A chance of showers by midnight, then a slight chance of showers late. Waves building to 2 to 3 feet. .SUNDAY...North wind 5 to 15 knots. Partly cloudy through early afternoon then clearing. Patchy fog through mid morning. Waves building to 2 to 4 feet. .SUNDAY NIGHT...Northwest wind less than 10 knots. Mostly clear. Waves subsiding to 1 to 2 feet. .MONDAY...Variable wind less than 10 knots. Gusts up to 13 knots. Sunny. Waves calm to 1 foot. $$ LSZ249-060800- Marquette to Munising MI- 502 PM EDT Sat Jul 5 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 AM EDT SUNDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... .LATE THIS AFTERNOON...Southwest wind less than 10 knots with gusts up to 17 knots. Showers and a chance of thunderstorms. Patchy fog. Waves calm to 1 foot. .TONIGHT...West wind 10 to 15 knots veering northwest 10 to 20 knots by midnight. Cloudy. Patchy fog through late evening. Areas of dense fog by midnight. Showers and a chance of thunderstorms through late evening, then a chance of showers by midnight. A slight chance of showers late. Waves building to 2 to 4 feet. .SUNDAY...North wind 10 to 20 knots. Mostly cloudy through mid morning then clearing. Patchy fog through mid morning. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. .SUNDAY NIGHT...Northwest wind less than 10 knots. Mostly clear. Waves subsiding to 1 to 2 feet. .MONDAY...Variable wind less than 10 knots. Sunny. Waves calm to 1 foot. $$ LSZ250-060800- Munising to Grand Marais MI- 502 PM EDT Sat Jul 5 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 AM EDT SUNDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... .LATE THIS AFTERNOON...South wind 10 to 15 knots. Showers and a chance of thunderstorms. Patchy fog. Waves 1 to 2 feet. .TONIGHT...Southwest wind 10 to 15 knots veering northwest late. Gusts up to 22 knots. Cloudy. Patchy fog through late evening. Areas of dense fog by midnight. Showers and a chance of thunderstorms through late evening, then a chance of showers by midnight. A slight chance of showers late. Waves building to 2 to 4 feet. .SUNDAY...North wind 15 to 20 knots backing northwest 10 to 15 knots late. Mostly cloudy through mid morning then clearing. Patchy fog through mid morning. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. .SUNDAY NIGHT...Northwest wind less than 10 knots. Mostly clear. Waves subsiding to 1 to 2 feet. .MONDAY...North wind less than 10 knots. Mostly sunny. Waves 1 to 2 feet. $$ LSZ251-060800- Grand Marais to Whitefish Point MI- 502 PM EDT Sat Jul 5 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 AM EDT SUNDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... .LATE THIS AFTERNOON...South wind 10 to 15 knots. Showers likely and a chance of thunderstorms. Waves 1 to 2 feet. .TONIGHT...Southwest wind 10 to 15 knots veering northwest 10 to 20 knots late. Patchy fog through the night. A chance of thunderstorms in the evening. Showers through the night. A slight chance of thunderstorms after midnight. Waves building to 2 to 4 feet. .SUNDAY...North wind 15 to 20 knots. Mostly cloudy through mid morning then clearing. Patchy fog through mid morning. A slight chance of showers through mid morning. A slight chance of showers late. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. .SUNDAY NIGHT...Northwest wind 10 to 15 knots veering north less than 10 knots after midnight. Mostly clear. Waves subsiding to 1 to 2 feet. .MONDAY...Northeast wind less than 10 knots backing northwest in the afternoon. Mostly sunny. Waves 1 to 2 feet. $$ WFO MQT