539
FZUS53 KMQT 060903
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
503 AM EDT Sun Jul 6 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.

LMZ221-062000-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
503 AM EDT Sun Jul 6 2025

.EARLY THIS MORNING...North wind 10 to 15 knots. Cloudy with a
chance of showers and a slight chance of thunderstorms. Waves
1 to 2 feet.
.TODAY...North wind 10 to 15 knots. Partly cloudy. A slight
chance of showers through mid morning. Waves building to 2 to
3 feet.
.TONIGHT...North wind 5 to 15 knots. Clear. Waves subsiding to
1 to 2 feet.
.MONDAY...North wind less than 10 knots veering southeast in the
afternoon. Sunny. Waves calm to 1 foot.
.MONDAY NIGHT...Variable wind less than 10 knots. Mostly clear. A
slight chance of showers after midnight. Waves calm to 1 foot.

$$

LMZ248-250-062000-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
503 AM EDT Sun Jul 6 2025

.EARLY THIS MORNING...North wind 10 to 15 knots. Cloudy with a
chance of showers and a slight chance of thunderstorms. Patchy
fog. Waves 2 to 3 feet.
.TODAY...North wind 10 to 15 knots. Mostly cloudy through early
afternoon then clearing. A slight chance of showers through early
afternoon. Waves subsiding to 1 to 2 feet.
.TONIGHT...North wind 5 to 15 knots. Mostly clear. Waves 1 to
2 feet.
.MONDAY...North wind less than 10 knots backing west in the
afternoon. Sunny. Waves calm to 1 foot.
.MONDAY NIGHT...Variable wind less than 10 knots. Mostly clear.
Waves calm to 1 foot.

$$

LSZ240-241-062000-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
503 AM EDT Sun Jul 6 2025 /403 AM CDT Sun Jul 6 2025/

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT /7 AM CDT/ THIS
MORNING...

.EARLY THIS MORNING...Northeast wind 10 to 15 knots. Partly
cloudy. Waves calm to 1 foot building to 1 to 2 feet.
.TODAY...Northeast wind 5 to 15 knots. Mostly sunny. Waves
building to 2 to 4 feet, then subsiding to 2 to 3 feet.
.TONIGHT...Northeast wind less than 10 knots through late evening
becoming variable. Mostly clear. Waves subsiding to 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.
.MONDAY NIGHT...East wind less than 10 knots veering south after
midnight. Mostly cloudy. A chance of showers and a slight chance
of thunderstorms in the evening, then showers likely and a chance
of thunderstorms after midnight. Waves calm to 1 foot.

$$

LSZ243-062000-
Upper Entrance of Portage Canal to Eagle River MI-
503 AM EDT Sun Jul 6 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.EARLY THIS MORNING...Northeast wind 10 to 15 knots. Partly
cloudy. Waves 1 to 2 feet building to 2 to 3 feet.
.TODAY...Northeast wind 10 to 15 knots backing north less than
10 knots late. Sunny. Waves building to 2 to 4 feet, then
subsiding to 1 to 2 feet.
.TONIGHT...Variable wind less than 10 knots. Clear through late
evening then becoming mostly clear. Waves 1 to 2 feet.
.MONDAY...Variable wind less than 10 knots. Mostly sunny. Waves
calm to 1 foot.
.MONDAY NIGHT...Southeast wind less than 10 knots. Mostly cloudy.
A chance of showers and a slight chance of thunderstorms after
midnight. Waves calm to 1 foot.

$$

LSZ242-062000-
Ontonagon to Upper Entrance of Portage Canal MI-
503 AM EDT Sun Jul 6 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...

.EARLY THIS MORNING...Northeast wind 10 to 15 knots. Partly
cloudy. Waves 1 to 2 feet building to 2 to 3 feet.
.TODAY...Northeast wind 5 to 15 knots. Sunny. Waves building to
2 to 4 feet, then subsiding to 2 to 3 feet.
.TONIGHT...North wind less than 10 knots through midnight
becoming variable. Mostly clear. Waves subsiding to 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.
.MONDAY NIGHT...East wind less than 10 knots veering southeast
after midnight. Mostly cloudy. A slight chance of showers in the
evening, then showers likely and a chance of thunderstorms after
midnight. Waves calm to 1 foot.

$$

LSZ244-245-062000-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
503 AM EDT Sun Jul 6 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.EARLY THIS MORNING...Northeast wind 15 to 20 knots. Mostly
cloudy. Waves 2 to 3 feet building to 3 to 5 feet occasionally to
7 feet.
.TODAY...North wind 10 to 20 knots diminishing to 5 to 15 knots
late. Sunny. Waves subsiding to 2 to 3 feet.
.TONIGHT...Northwest wind less than 10 knots. Clear through late
evening then becoming mostly clear. Waves subsiding to 1 to
2 feet.
.MONDAY...Variable wind less than 10 knots. Sunny. Waves calm to
1 foot.
.MONDAY NIGHT...Variable wind less than 10 knots. Partly cloudy
in the evening, then mostly cloudy with a chance of showers and a
slight chance of thunderstorms after midnight. Waves calm to
1 foot.

$$

LSZ246-062000-
Point Isabelle to Lower Entrance of Portage Canal MI-
503 AM EDT Sun Jul 6 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.EARLY THIS MORNING...Northeast wind 10 to 20 knots. Partly
cloudy. Patchy dense fog. Waves 1 to 2 feet building to 2 to
3 feet.
.TODAY...Northeast wind 5 to 15 knots. Partly cloudy through mid
morning then clearing. Waves subsiding to 1 to 2 feet.
.TONIGHT...Variable wind less than 10 knots. Mostly clear. Waves
calm to 1 foot.
.MONDAY...Variable wind less than 10 knots becoming east less
than 10 knots in the afternoon. Sunny. Waves calm to 1 foot.
.MONDAY NIGHT...Variable wind less than 10 knots. Partly cloudy
in the evening, then cloudy with a chance of showers and a slight
chance of thunderstorms after midnight. Waves calm to 1 foot.

$$

LSZ247-062000-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
503 AM EDT Sun Jul 6 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...

.EARLY THIS MORNING...Northeast wind less than 10 knots with
gusts up to 20 knots. Mostly cloudy. Patchy dense fog. Waves calm
to 1 foot building to 2 to 3 feet.
.TODAY...Northeast wind 5 to 15 knots. Partly cloudy through mid
morning then clearing. Waves building to 2 to 4 feet, then
subsiding to 1 to 2 feet.
.TONIGHT...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.
.MONDAY NIGHT...Variable wind less than 10 knots. Partly cloudy
in the evening, then mostly cloudy with a chance of showers and a
slight chance of thunderstorms after midnight. Waves calm to
1 foot.

$$

LSZ248-062000-
Huron Islands to Marquette MI-
503 AM EDT Sun Jul 6 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.EARLY THIS MORNING...Northwest wind 10 to 15 knots. Cloudy.
Areas of dense fog. Waves 1 to 2 feet building to 2 to 3 feet.
.TODAY...North wind 5 to 15 knots. Mostly cloudy through mid
morning then clearing. Waves building to 2 to 4 feet.
.TONIGHT...Northwest wind less than 10 knots. 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.
.MONDAY NIGHT...Variable wind less than 10 knots. Mostly clear in
the evening, then mostly cloudy with a chance of showers and a
slight chance of thunderstorms after midnight. Waves calm to
1 foot.

$$

LSZ249-062000-
Marquette to Munising MI-
503 AM EDT Sun Jul 6 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.EARLY THIS MORNING...North wind 10 to 15 knots. Cloudy with a
slight chance of showers. Areas of dense fog. Waves 1 to 2 feet
building to 2 to 3 feet.
.TODAY...North wind 10 to 15 knots. Mostly cloudy through mid
morning then clearing. Waves building to 3 to 5 feet occasionally
to 7 feet, then subsiding to 2 to 4 feet.
.TONIGHT...Northwest wind less than 10 knots. Mostly clear. Waves
subsiding to 1 to 2 feet.
.MONDAY...Northwest wind less than 10 knots in the morning
becoming variable. Sunny. Waves calm to 1 foot.
.MONDAY NIGHT...Variable wind less than 10 knots. Partly cloudy.
A slight chance of showers after midnight. Waves calm to 1 foot.

$$

LSZ250-062000-
Munising to Grand Marais MI-
503 AM EDT Sun Jul 6 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.EARLY THIS MORNING...North wind 10 to 15 knots. Cloudy with a
chance of showers. Areas of dense fog. Waves 1 to 2 feet building
to 2 to 4 feet.
.TODAY...North wind 10 to 20 knots backing northwest 10 to
15 knots late. Partly cloudy through early afternoon then
clearing. Waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet.
.TONIGHT...Northwest wind less than 10 knots. Mostly clear. Waves
subsiding to 1 to 2 feet.
.MONDAY...Northwest wind less than 10 knots. Sunny. Waves 1 to
2 feet.
.MONDAY NIGHT...Variable wind less than 10 knots. Mostly clear. A
slight chance of showers after midnight. Waves calm to 1 foot.

$$

LSZ251-062000-
Grand Marais to Whitefish Point MI-
503 AM EDT Sun Jul 6 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.EARLY THIS MORNING...North wind 10 to 20 knots. Cloudy with a
chance of showers. Patchy dense fog. Waves 1 to 2 feet building
to 2 to 4 feet.
.TODAY...North wind 10 to 20 knots backing northwest 10 to
15 knots late. Mostly cloudy through early afternoon then
clearing. Waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet.
.TONIGHT...Northwest wind less than 10 knots veering north late.
Mostly clear. Waves subsiding to 1 to 2 feet.
.MONDAY...North wind less than 10 knots backing northwest in the
afternoon. Mostly sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...Northwest wind less than 10 knots in the evening
becoming variable. Mostly clear. Waves calm to 1 foot.

$$

WFO MQT