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FZUS53 KMQT 182056
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
455 PM EDT Fri Apr 18 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.

LMZ221-190800-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
455 PM EDT Fri Apr 18 2025

.LATE THIS AFTERNOON...Northeast wind 5 to 15 knots. Cloudy with
scattered rain showers and a slight chance of thunderstorms.
Patchy fog. Waves 1 to 2 feet.
.TONIGHT...North wind 10 to 15 knots backing northwest by
midnight. Cloudy. Patchy fog through late evening. Numerous rain
showers and a slight chance of thunderstorms through late
evening, then scattered rain showers by midnight. Waves 1 to
2 feet.
.SATURDAY...Northwest wind 5 to 15 knots veering northeast less
than 10 knots late. Partly cloudy. Waves 1 to 2 feet.
.SATURDAY NIGHT...Northeast wind less than 10 knots veering east
after midnight. Mostly clear. Waves calm to 1 foot.
.SUNDAY...East wind less than 10 knots. Partly cloudy. 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-
455 PM EDT Fri Apr 18 2025

.LATE THIS AFTERNOON...Northwest wind 5 to 15 knots. Cloudy with
scattered rain showers and a slight chance of thunderstorms.
Patchy fog. Waves 2 to 4 feet.
.TONIGHT...North wind 10 to 15 knots backing northwest late.
Cloudy. Patchy fog through late evening. Numerous rain showers
and a slight chance of thunderstorms through late evening, then
scattered rain showers and a slight chance of thunderstorms by
midnight. Waves subsiding to 2 to 3 feet.
.SATURDAY...Northwest wind 10 to 15 knots veering north 5 to
15 knots late. Partly cloudy. Waves subsiding to 1 to 2 feet.
.SATURDAY NIGHT...North wind less than 10 knots veering northeast
after midnight. Gusts up to 17 knots. Clear. Waves calm to
1 foot.
.SUNDAY...Southeast wind less than 10 knots backing east 10 to
15 knots in the afternoon. Partly cloudy. Waves building to 1 to
2 feet.

$$

LSZ240-241-190800-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
455 PM EDT Fri Apr 18 2025 /355 PM CDT Fri Apr 18 2025/

.LATE THIS AFTERNOON...West wind less than 10 knots. Mostly
cloudy. Patchy fog. Waves calm to 1 foot.
.TONIGHT...Northwest wind less than 10 knots. Cloudy. Patchy fog
through late evening. Scattered rain showers through late
evening, then isolated rain showers by midnight. Waves building
to 1 to 2 feet.
.SATURDAY...Northwest wind less than 10 knots backing west late.
Partly cloudy through early afternoon then clearing. A slight
chance of rain showers and snow showers through mid morning, then
a slight chance of snow showers by late morning. Waves 1 to
2 feet.
.SATURDAY NIGHT...Variable wind less than 10 knots becoming south
less than 10 knots after midnight. Clear. Waves calm to 1 foot.
.SUNDAY...Southeast wind less than 10 knots backing east in the
afternoon. Mostly sunny in the morning then becoming 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-
455 PM EDT Fri Apr 18 2025

.LATE THIS AFTERNOON...West wind less than 10 knots. Mostly
cloudy. Patchy fog. Waves 1 to 2 feet.
.TONIGHT...Northwest wind less than 10 knots veering north 10 to
15 knots late. Cloudy. Patchy fog through late evening. Scattered
rain showers through late evening, then isolated rain showers by
midnight. Waves building to 2 to 3 feet.
.SATURDAY...Northwest wind 10 to 15 knots backing west less than
10 knots late. Mostly cloudy through early afternoon then
clearing. Waves subsiding to 1 to 2 feet.
.SATURDAY NIGHT...Southwest wind less than 10 knots backing south
after midnight. Clear. Waves calm to 1 foot.
.SUNDAY...Southeast wind less than 10 knots backing east 5 to
15 knots in the afternoon. Mostly sunny in the morning then
becoming mostly cloudy. Waves calm to 1 foot.

$$

LSZ244-245-190800-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
455 PM EDT Fri Apr 18 2025

.LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Mostly
cloudy with isolated rain showers. Patchy fog. Waves 2 to 3 feet.
.TONIGHT...North wind 10 to 15 knots. Mostly cloudy. Patchy fog
through midnight. Waves building to 2 to 4 feet.
.SATURDAY...Northwest wind 10 to 20 knots becoming 10 to 15 knots
late. Partly cloudy. Waves subsiding to 1 to 2 feet.
.SATURDAY NIGHT...West wind less than 10 knots in the evening
becoming variable. Clear. Waves 1 to 2 feet.
.SUNDAY...South wind less than 10 knots backing southeast 10 to
15 knots in the afternoon. Mostly sunny. Waves calm to 1 foot.

$$

LSZ246-190800-
Point Isabelle to Lower Entrance of Portage Canal MI-
455 PM EDT Fri Apr 18 2025

.LATE THIS AFTERNOON...Northwest wind less than 10 knots. Cloudy
with isolated rain showers. Patchy fog. Waves calm to 1 foot.
.TONIGHT...Northwest wind less than 10 knots with gusts up to
17 knots. Mostly cloudy. Patchy fog through the night. Isolated
rain showers by midnight. Waves calm to 1 foot.
.SATURDAY...Northwest wind 5 to 15 knots. Mostly cloudy through
early afternoon then clearing. Waves calm to 1 foot.
.SATURDAY NIGHT...Variable wind less than 10 knots. Clear. Waves
calm to 1 foot.
.SUNDAY...Southeast wind less than 10 knots backing east 10 to
15 knots in the afternoon. Mostly sunny in the morning then
becoming mostly cloudy. Waves calm to 1 foot.

$$

LSZ247-190800-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
455 PM EDT Fri Apr 18 2025

.LATE THIS AFTERNOON...Northwest wind less than 10 knots. Cloudy
with isolated rain showers. Patchy fog. Waves calm to 1 foot.
.TONIGHT...Northwest wind 5 to 15 knots. Mostly cloudy. Patchy
fog through the night. Scattered rain showers by midnight. Waves
calm to 1 foot.
.SATURDAY...Northwest wind 5 to 15 knots. Mostly cloudy through
early afternoon then clearing. Waves building to 1 to 2 feet.
.SATURDAY NIGHT...Variable wind less than 10 knots. Clear. Waves
calm to 1 foot.
.SUNDAY...Southeast wind less than 10 knots backing east in the
afternoon. Gusts up to 19 knots. Partly cloudy. Waves calm to
1 foot.

$$

LSZ248-190800-
Huron Islands to Marquette MI-
455 PM EDT Fri Apr 18 2025

.LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Cloudy with
scattered rain showers and a slight chance of thunderstorms.
Patchy fog. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 10 to 15 knots. Mostly cloudy. A slight
chance of thunderstorms and isolated rain showers through
midnight. Patchy fog through the night. Waves building to 2 to
4 feet.
.SATURDAY...Northwest wind 5 to 15 knots. Mostly cloudy through
early afternoon then becoming mostly sunny. Waves subsiding to
2 to 3 feet.
.SATURDAY NIGHT...West wind less than 10 knots in the evening
becoming variable. Clear. Waves subsiding to 1 to 2 feet.
.SUNDAY...Southeast wind less than 10 knots. Gusts up to
19 knots. Mostly sunny in the morning then becoming mostly
cloudy. Waves calm to 1 foot.

$$

LSZ249-190800-
Marquette to Munising MI-
455 PM EDT Fri Apr 18 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SATURDAY THROUGH
SATURDAY AFTERNOON...

.LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Cloudy with
scattered rain showers and a slight chance of thunderstorms.
Patchy fog. Waves 2 to 3 feet.
.TONIGHT...Northwest wind 10 to 20 knots. Cloudy. Scattered rain
showers and a slight chance of thunderstorms through late
evening, then a slight chance of thunderstorms and isolated rain
showers by midnight. Patchy fog through the night. Waves building
to 3 to 5 feet occasionally to 7 feet.
.SATURDAY...Northwest wind 15 to 20 knots veering north 10 to
15 knots late. Mostly cloudy through early afternoon then
clearing. Waves subsiding to 2 to 4 feet.
.SATURDAY NIGHT...Northwest wind less than 10 knots in the
evening becoming variable. Clear. Waves subsiding to 1 to 2 feet.
.SUNDAY...South wind less than 10 knots backing southeast in the
afternoon. Mostly sunny in the morning then becoming mostly
cloudy. Waves calm to 1 foot.

$$

LSZ250-190800-
Munising to Grand Marais MI-
455 PM EDT Fri Apr 18 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EDT SATURDAY THROUGH
SATURDAY EVENING...

.LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Cloudy with
a slight chance of thunderstorms and isolated rain showers.
Patchy fog. Waves 2 to 3 feet.
.TONIGHT...Northwest wind 10 to 20 knots. Cloudy. Scattered rain
showers and a slight chance of thunderstorms through midnight.
Patchy fog through midnight. Waves building to 3 to 5 feet
occasionally to 7 feet.
.SATURDAY...Northwest wind 10 to 20 knots. Mostly cloudy through
early afternoon then becoming mostly sunny. Waves subsiding to
2 to 4 feet.
.SATURDAY NIGHT...Northwest wind 5 to 15 knots backing southwest
less than 10 knots after midnight. Clear. Waves subsiding to 1 to
2 feet.
.SUNDAY...Southeast wind less than 10 knots backing east in the
afternoon. Partly cloudy. Waves calm to 1 foot.

$$

LSZ251-190800-
Grand Marais to Whitefish Point MI-
455 PM EDT Fri Apr 18 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EDT SATURDAY THROUGH
SATURDAY EVENING...

.LATE THIS AFTERNOON...West wind 10 to 15 knots. Cloudy with a
slight chance of thunderstorms and isolated rain showers. Patchy
fog. Waves 1 to 2 feet building to 2 to 3 feet.
.TONIGHT...Northwest wind 10 to 20 knots becoming 15 to 20 knots
late. Cloudy. Scattered rain showers and a slight chance of
thunderstorms through midnight, then isolated rain showers late.
Patchy fog through the night. Waves building to 3 to 5 feet
occasionally to 7 feet.
.SATURDAY...Northwest wind 15 to 20 knots. Partly cloudy. Waves
3 to 5 feet occasionally to 7 feet.
.SATURDAY NIGHT...Northwest wind 10 to 20 knots. Mostly clear.
Waves subsiding to 1 to 2 feet.
.SUNDAY...Southeast wind less than 10 knots backing east in the
afternoon. Partly cloudy. Waves 1 to 2 feet.

$$

WFO MQT