659
FZUS53 KMQT 171456
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
1055 AM EDT Thu Apr 17 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.

LMZ221-172000-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
1055 AM EDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.REST OF TODAY...Southeast wind 10 to 20 knots with gusts up to
27 knots. Mostly sunny by late morning then becoming mostly
cloudy. A slight chance of rain showers late. Waves 1 to 2 feet
building to 2 to 3 feet.
.TONIGHT...South wind 10 to 20 knots with gusts up to 32 knots. A
slight chance of showers and thunderstorms through late evening,
then rain showers and a slight chance of thunderstorms by
midnight. Patchy fog by midnight. Waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet.
.FRIDAY...Southwest wind less than 10 knots veering north 10 to
15 knots in the afternoon. Mostly cloudy. A slight chance of rain
showers in the morning, then rain showers likely and a slight
chance of thunderstorms in the afternoon. Waves subsiding to 1 to
2 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots backing northwest after
midnight. Mostly cloudy. A chance of rain showers and a slight
chance of thunderstorms in the evening, then a slight chance of
rain showers after midnight. Waves 1 to 2 feet.

$$

LMZ248-250-172000-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1055 AM EDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.REST OF TODAY...Southeast wind 10 to 20 knots. Mostly sunny by
late morning then becoming mostly cloudy. A slight chance of rain
showers late. Waves 1 to 2 feet building to 2 to 3 feet.
.TONIGHT...South wind 10 to 20 knots with gusts up to 33 knots.
Rain showers and a slight chance of thunderstorms. Patchy fog by
midnight. Waves building to 3 to 6 feet occasionally to 8 feet.
.FRIDAY...Southwest wind 5 to 15 knots veering north 10 to
15 knots in the afternoon. Mostly cloudy. A slight chance of rain
showers in the morning, then rain showers likely and a slight
chance of thunderstorms in the afternoon. Waves subsiding to 2 to
4 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Cloudy. A chance
of rain showers and a slight chance of thunderstorms in the
evening, then a slight chance of rain showers after midnight.
Waves subsiding to 2 to 3 feet.

$$

LSZ240-241-172000-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
1055 AM EDT Thu Apr 17 2025 /955 AM CDT Thu Apr 17 2025/

.REST OF TODAY...South wind 10 to 15 knots with gusts up to
23 knots. Mostly sunny by late morning, then cloudy with rain
showers likely and a chance of thunderstorms late. Waves 1 to
2 feet.
.TONIGHT...Southeast wind 5 to 15 knots veering west less than
10 knots by midnight, then veering northwest late. A slight
chance of thunderstorms through late evening. Rain showers
through midnight. A chance of rain showers late. Patchy fog by
midnight. Waves 1 to 2 feet.
.FRIDAY...Northwest wind less than 10 knots. Cloudy with a chance
of rain showers. Waves calm to 1 foot.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Cloudy. A chance
of rain showers in the evening. Waves building to 2 to 3 feet.

$$

LSZ242-243-172000-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
1055 AM EDT Thu Apr 17 2025

.REST OF TODAY...Southeast wind 10 to 15 knots with gusts up to
24 knots. Partly cloudy. Rain showers likely and a slight chance
of thunderstorms late. Waves 1 to 2 feet.
.TONIGHT...South wind 5 to 15 knots veering northwest less than
10 knots late. Gusts up to 23 knots. Rain showers and a slight
chance of thunderstorms through late evening, then rain showers
by midnight. Patchy fog late. Waves 1 to 2 feet.
.FRIDAY...Northwest wind 5 to 15 knots. Cloudy with a chance of
rain showers. Waves building to 1 to 2 feet.
.FRIDAY NIGHT...North wind 15 to 20 knots. Cloudy. A chance of
rain showers possibly mixed with snow showers in the evening.
Waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 2 to 4 feet.

$$

LSZ244-245-172000-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
1055 AM EDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...Southeast wind 20 to 25 knots with gale force
gusts up to 34 knots. Partly cloudy. A chance of rain showers and
a slight chance of thunderstorms late. Waves 2 to 4 feet building
to 4 to 7 feet occasionally to 9 feet.
.TONIGHT...South wind 15 to 25 knots with gusts up to 33 knots
diminishing to 10 to 15 knots with gusts up to 33 knots by
midnight, then veering west 5 to 15 knots late. A slight chance
of thunderstorms through late evening. Rain showers through
midnight. A chance of rain showers late. Patchy fog by midnight.
Waves subsiding to 2 to 3 feet.
.FRIDAY...Northwest wind 10 to 15 knots with gusts up to
22 knots. Cloudy with a chance of rain showers. Waves 2 to
3 feet.
.FRIDAY NIGHT...North wind 15 to 20 knots. Cloudy. A chance of
rain showers possibly mixed with snow showers in the evening.
Waves building to 3 to 5 feet occasionally to 7 feet.

$$

LSZ246-172000-
Point Isabelle to Lower Entrance of Portage Canal MI-
1055 AM EDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...Southeast wind 15 to 20 knots with gusts up to
27 knots. Partly cloudy. A slight chance of showers and
thunderstorms late. Waves 2 to 3 feet building to 3 to 6 feet
occasionally to 8 feet.
.TONIGHT...Southeast wind 10 to 20 knots diminishing to less than
10 knots with gusts up to 24 knots by midnight, then backing
north late. A slight chance of thunderstorms through late
evening. Rain showers through midnight. A chance of rain showers
late. Patchy fog by midnight. Waves subsiding to 1 to 2 feet.
.FRIDAY...Northwest wind less than 10 knots with gusts up to
19 knots. Cloudy with a chance of rain showers. Waves 1 to
2 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Cloudy. A chance
of rain showers in the evening, then a slight chance of snow
showers after midnight. Waves calm to 1 foot.

$$

LSZ247-172000-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
1055 AM EDT Thu Apr 17 2025

.REST OF TODAY...Southeast wind 10 to 15 knots. Gusts up to
24 knots. Mostly sunny by late morning then becoming mostly
cloudy. A chance of rain showers and a slight chance of
thunderstorms late. Waves 1 to 2 feet building to 2 to 4 feet,
then subsiding to 2 to 3 feet.
.TONIGHT...South wind 5 to 15 knots veering northwest less than
10 knots late. Gusts up to 24 knots. Rain showers and a slight
chance of thunderstorms through late evening, then rain showers
by midnight. Patchy fog by midnight. Waves subsiding to 1 to
2 feet.
.FRIDAY...Northwest wind less than 10 knots with gusts up to
18 knots. Cloudy with a chance of rain showers. Waves calm to
1 foot.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Cloudy. A chance
of rain showers in the evening, then a slight chance of snow
showers after midnight. Waves building to 1 to 2 feet.

$$

LSZ248-172000-
Huron Islands to Marquette MI-
1055 AM EDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Southeast wind 15 to 20 knots with gusts up to
31 knots. Mostly sunny by late morning then becoming mostly
cloudy. A slight chance of showers and thunderstorms late. Waves
2 to 3 feet building to 2 to 4 feet.
.TONIGHT...Southeast wind 10 to 20 knots veering south less than
10 knots late. Gusts up to 27 knots. Rain showers and a slight
chance of thunderstorms through midnight, then a chance of rain
showers late. Patchy fog by midnight. Waves subsiding to 1 to
2 feet.
.FRIDAY...Northwest wind 5 to 15 knots. Cloudy. A slight chance
of rain showers in the morning, then a chance of rain showers in
the afternoon. Waves building to 2 to 3 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Cloudy. A chance
of rain showers in the evening, then a slight chance of rain
showers and snow showers after midnight. Waves building to 3 to
5 feet occasionally to 7 feet.

$$

LSZ249-172000-
Marquette to Munising MI-
1055 AM EDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...South wind 10 to 20 knots increasing to 20 to
25 knots late. Gusts up to 32 knots. Partly cloudy. A slight
chance of rain showers late. Waves 1 to 2 feet building to 2 to
3 feet.
.TONIGHT...South wind 15 to 25 knots diminishing to 10 to
15 knots late. Rain showers and a slight chance of thunderstorms
through the night. Patchy fog by midnight. Waves building to 2 to
4 feet, then subsiding to 1 to 2 feet.
.FRIDAY...West wind 5 to 15 knots veering northwest 10 to
15 knots in the afternoon. Mostly cloudy. A slight chance of rain
showers in the morning, then rain showers likely in the
afternoon. Waves building to 2 to 3 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots. Cloudy. A chance
of rain showers in the evening, then a slight chance of rain
showers and snow showers after midnight. Waves building to 3 to
6 feet occasionally to 8 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet.

$$

LSZ250-172000-
Munising to Grand Marais MI-
1055 AM EDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...South wind 10 to 20 knots with gusts up to
27 knots. Mostly sunny. Waves 1 to 2 feet building to 2 to
3 feet.
.TONIGHT...South wind 15 to 20 knots diminishing to 10 to
15 knots late. Gusts up to 30 knots. Rain showers and a slight
chance of thunderstorms through the night. Patchy fog late. Waves
subsiding 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 in the
morning, then rain showers likely in the afternoon. Waves
building to 2 to 3 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots. Cloudy. A chance
of rain showers in the evening, then a slight chance of rain
showers and snow showers after midnight. Waves building to 3 to
6 feet occasionally to 8 feet.

$$

LSZ251-172000-
Grand Marais to Whitefish Point MI-
1055 AM EDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Southeast wind 10 to 20 knots with gusts up to
29 knots. Mostly sunny. Waves 1 to 2 feet building to 2 to
4 feet.
.TONIGHT...Southeast wind 15 to 20 knots veering south 10 to
15 knots late. Gusts up to 28 knots. Cloudy. A slight chance of
rain showers through late evening, then a chance of rain showers
by midnight. Rain showers likely late. Patchy fog late. Waves
subsiding to 1 to 2 feet.
.FRIDAY...Southwest wind 5 to 15 knots veering west 10 to
15 knots in the afternoon. Mostly cloudy. A chance of rain
showers in the morning, then rain showers likely in the
afternoon. Waves building to 2 to 3 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots. Cloudy. A chance
of rain showers in the evening, then a slight chance of rain
showers and snow showers after midnight. Waves building to 3 to
6 feet occasionally to 8 feet.

$$

WFO MQT