Nearshore Marine Forecast
Issued by NWS Marquette, MI

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FZUS53 KMQT 170904
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
503 AM EDT Tue Jun 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-
503 AM EDT Tue Jun 17 2025

.EARLY THIS MORNING...South wind 15 to 20 knots. Cloudy with a
chance of showers and thunderstorms. Waves 2 to 3 feet.
.TODAY...Southwest wind 10 to 15 knots veering west less than
10 knots by late morning, then backing southwest late. Gusts up
to 22 knots. Partly cloudy. A slight chance of showers and
thunderstorms through mid morning. Waves subsiding to 1 to
2 feet.
.TONIGHT...Southeast wind less than 10 knots. Partly cloudy
through late evening then becoming mostly cloudy. A slight chance
of showers by midnight. Waves calm to 1 foot.
.WEDNESDAY...Southeast wind less than 10 knots. Mostly cloudy
with a chance of showers. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Northeast wind less than 10 knots backing
northwest after midnight. Mostly cloudy. A chance of showers in
the evening, then a slight chance of showers after midnight.
Waves calm to 1 foot.

$$

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

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING...

.EARLY THIS MORNING...South wind 15 to 20 knots. Cloudy with a
chance of showers and thunderstorms. Waves 2 to 3 feet.
.TODAY...Southwest wind 15 to 20 knots diminishing to 5 to
15 knots by late morning. Mostly cloudy. A slight chance of
showers and thunderstorms through mid morning. Waves subsiding to
1 to 2 feet.
.TONIGHT...Southeast wind less than 10 knots. Mostly cloudy. A
slight chance of showers by midnight. Waves 1 to 2 feet.
.WEDNESDAY...Southeast wind less than 10 knots. Cloudy with a
chance of showers. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Northeast wind less than 10 knots backing
northwest after midnight. Mostly cloudy. A chance of showers and
a slight chance of thunderstorms in the evening, then a slight
chance of showers after midnight. Waves calm to 1 foot.

$$

LSZ240-172000-
Saxon Harbor WI to Black River MI-
503 AM EDT Tue Jun 17 2025 /403 AM CDT Tue Jun 17 2025/

.EARLY THIS MORNING...West wind 10 to 15 knots with gusts up to
23 knots. Cloudy. Waves 1 to 2 feet building to 2 to 3 feet.
.TODAY...West wind 5 to 15 knots backing southwest less than
10 knots late. Partly cloudy. Waves subsiding to 1 to 2 feet.
.TONIGHT...Southwest wind less than 10 knots. Partly cloudy. A
slight chance of showers through midnight. Waves calm to 1 foot.
.WEDNESDAY...Variable wind less than 10 knots. Mostly cloudy.
Waves calm to 1 foot.
.WEDNESDAY NIGHT...Variable wind less than 10 knots becoming
southwest less than 10 knots after midnight. Partly cloudy. A
slight chance of showers and thunderstorms after midnight. Waves
calm to 1 foot.

$$

LSZ241-172000-
Black River to Ontonagon MI-
503 AM EDT Tue Jun 17 2025 /403 AM CDT Tue Jun 17 2025/

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT /10 AM CDT/
THIS MORNING...

.EARLY THIS MORNING...West wind 15 to 20 knots with gusts up to
27 knots. Cloudy. Waves 2 to 3 feet building to 2 to 4 feet.
.TODAY...West wind 10 to 20 knots. Gusts up to 28 knots in the
morning. Partly cloudy. Waves subsiding to 1 to 2 feet.
.TONIGHT...Southwest wind less than 10 knots. Partly cloudy. A
slight chance of showers through midnight. Waves calm to 1 foot.
.WEDNESDAY...West wind less than 10 knots in the morning becoming
variable. Mostly cloudy. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Variable wind less than 10 knots becoming west
less than 10 knots after midnight. Mostly cloudy in the evening,
then partly cloudy with a slight chance of showers and
thunderstorms after midnight. Waves calm to 1 foot.

$$

LSZ243-172000-
Upper Entrance of Portage Canal to Eagle River MI-
503 AM EDT Tue Jun 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.EARLY THIS MORNING...Southwest wind 15 to 20 knots. Cloudy with
a slight chance of showers. Patchy fog. Waves 1 to 2 feet
building to 2 to 4 feet.
.TODAY...Southwest wind 10 to 20 knots. Mostly cloudy. Waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
2 to 3 feet.
.TONIGHT...Southwest wind 5 to 15 knots. Partly cloudy through
midnight then becoming mostly cloudy. Waves subsiding to 1 to
2 feet.
.WEDNESDAY...West wind less than 10 knots. Mostly cloudy. Waves
calm to 1 foot.
.WEDNESDAY NIGHT...Variable wind less than 10 knots becoming west
less than 10 knots after midnight. Mostly cloudy. A slight chance
of showers after midnight. Waves calm to 1 foot.

$$

LSZ242-172000-
Ontonagon to Upper Entrance of Portage Canal MI-
503 AM EDT Tue Jun 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING...

.EARLY THIS MORNING...West wind 15 to 20 knots with gusts up to
27 knots. Cloudy with a slight chance of showers. Patchy fog.
Waves 2 to 3 feet building to 2 to 4 feet.
.TODAY...West wind 10 to 20 knots with gusts up to 27 knots.
Partly cloudy. Waves subsiding to 2 to 3 feet.
.TONIGHT...Southwest wind less than 10 knots. Partly cloudy.
Waves subsiding to 1 to 2 feet.
.WEDNESDAY...West wind less than 10 knots in the morning becoming
variable. Mostly cloudy. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Variable wind less than 10 knots becoming west
less than 10 knots after midnight. Mostly cloudy in the evening,
then partly cloudy with a slight chance of showers and
thunderstorms after midnight. Waves calm to 1 foot.

$$

LSZ245-172000-
Manitou Island to Point Isabelle MI-
503 AM EDT Tue Jun 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.EARLY THIS MORNING...Southwest wind 15 to 20 knots. Showers
likely and a slight chance of thunderstorms. Waves 2 to 4 feet.
.TODAY...West wind 15 to 20 knots becoming 10 to 20 knots by late
morning. Partly cloudy. Waves subsiding to 1 to 2 feet.
.TONIGHT...Southwest wind less than 10 knots. Partly cloudy
through midnight then becoming mostly cloudy. Waves calm to
1 foot.
.WEDNESDAY...West wind less than 10 knots backing east in the
afternoon. Mostly cloudy. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Variable wind less than 10 knots. Mostly
cloudy. Waves calm to 1 foot.

$$

LSZ244-172000-
Eagle River to Manitou Island MI-
503 AM EDT Tue Jun 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.EARLY THIS MORNING...Southwest wind 15 to 20 knots. Showers
likely and a slight chance of thunderstorms. Patchy fog. Waves
2 to 4 feet.
.TODAY...West wind 15 to 25 knots diminishing to 10 to 15 knots
late. Partly cloudy. Patchy fog through mid morning. Waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
2 to 3 feet.
.TONIGHT...West wind 5 to 15 knots. Partly cloudy through
midnight then becoming mostly cloudy. Waves subsiding to 1 to
2 feet.
.WEDNESDAY...West wind less than 10 knots backing east in the
afternoon. Mostly cloudy. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Variable wind less than 10 knots becoming west
less than 10 knots after midnight. Mostly cloudy. A slight chance
of showers after midnight. Waves calm to 1 foot.

$$

LSZ246-172000-
Point Isabelle to Lower Entrance of Portage Canal MI-
503 AM EDT Tue Jun 17 2025

.EARLY THIS MORNING...Southwest wind 10 to 15 knots with gusts up
to 23 knots. Cloudy with a chance of showers. Waves 2 to 3 feet.
.TODAY...West wind 10 to 20 knots. Partly cloudy. A slight chance
of showers and thunderstorms through mid morning. Waves subsiding
to 1 to 2 feet.
.TONIGHT...West wind less than 10 knots. Partly cloudy. Waves
calm to 1 foot.
.WEDNESDAY...Southwest wind less than 10 knots backing east in
the afternoon. Mostly cloudy. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Variable wind less than 10 knots. Mostly
cloudy. Waves calm to 1 foot.

$$

LSZ247-172000-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
503 AM EDT Tue Jun 17 2025

.EARLY THIS MORNING...Southwest wind 10 to 15 knots. Cloudy with
a chance of showers. Waves 1 to 2 feet.
.TODAY...West wind 10 to 20 knots. Partly cloudy. Waves building
to 2 to 3 feet, then subsiding to 1 to 2 feet.
.TONIGHT...Southwest wind less than 10 knots. Partly cloudy.
Waves calm to 1 foot.
.WEDNESDAY...West wind less than 10 knots veering east in the
afternoon. Mostly cloudy. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Variable wind less than 10 knots. Mostly
cloudy with a slight chance of showers in the evening, then
partly cloudy after midnight. Waves calm to 1 foot.

$$

LSZ248-172000-
Huron Islands to Marquette MI-
503 AM EDT Tue Jun 17 2025

.EARLY THIS MORNING...Southwest wind 10 to 15 knots. Mostly
cloudy with a chance of showers and a slight chance of
thunderstorms. Waves 1 to 2 feet.
.TODAY...West wind 10 to 20 knots veering northwest by late
morning. Partly cloudy. Waves building to 2 to 3 feet, then
subsiding to 1 to 2 feet.
.TONIGHT...Southwest wind less than 10 knots. Partly cloudy.
Waves calm to 1 foot.
.WEDNESDAY...North wind less than 10 knots veering east in the
afternoon. Mostly cloudy. A slight chance of showers in the
afternoon. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Variable wind less than 10 knots. Mostly
cloudy. A slight chance of showers in the evening. Waves calm to
1 foot.

$$

LSZ249-172000-
Marquette to Munising MI-
503 AM EDT Tue Jun 17 2025

.EARLY THIS MORNING...South wind 15 to 20 knots. Mostly cloudy
with a chance of showers and a slight chance of thunderstorms.
Waves 1 to 2 feet.
.TODAY...Southwest wind 10 to 15 knots veering north 5 to
15 knots late. Partly cloudy. A slight chance of showers and
thunderstorms through mid morning. Waves building to 2 to 3 feet,
then subsiding to 1 to 2 feet.
.TONIGHT...South wind less than 10 knots. Partly cloudy through
midnight then becoming mostly cloudy. Waves 1 to 2 feet.
.WEDNESDAY...North wind less than 10 knots veering northeast in
the afternoon. Mostly cloudy with a slight chance of showers.
Waves calm to 1 foot.
.WEDNESDAY NIGHT...Variable wind less than 10 knots becoming
northwest less than 10 knots after midnight. Mostly cloudy. A
chance of showers in the evening. Waves calm to 1 foot.

$$

LSZ250-172000-
Munising to Grand Marais MI-
503 AM EDT Tue Jun 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING...

.EARLY THIS MORNING...South wind 15 to 20 knots. Cloudy with a
chance of showers and a slight chance of thunderstorms. Waves
1 to 2 feet.
.TODAY...Southwest wind 10 to 20 knots veering west 5 to 15 knots
by late morning. Partly cloudy. A slight chance of showers and
thunderstorms through mid morning. Waves building to 2 to 3 feet.
.TONIGHT...Variable wind less than 10 knots becoming south less
than 10 knots by midnight. Partly cloudy through midnight then
becoming mostly cloudy. Waves subsiding to 1 to 2 feet.
.WEDNESDAY...West wind less than 10 knots veering northeast in
the afternoon. Mostly cloudy. A chance of showers in the
afternoon. Waves calm to 1 foot.
.WEDNESDAY NIGHT...North wind less than 10 knots backing
northwest after midnight. Cloudy. A chance of showers in the
evening, then a slight chance of showers after midnight. Waves
calm to 1 foot.

$$

LSZ251-172000-
Grand Marais to Whitefish Point MI-
503 AM EDT Tue Jun 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING...

.EARLY THIS MORNING...South wind 15 to 20 knots. Cloudy with a
chance of showers and thunderstorms. Waves 1 to 2 feet building
to 2 to 3 feet.
.TODAY...Southwest wind 15 to 20 knots veering west 5 to 15 knots
by late morning. Partly cloudy. A chance of showers and
thunderstorms through mid morning, then a slight chance of
showers by late morning. Waves subsiding to 1 to 2 feet, then
building to 2 to 3 feet.
.TONIGHT...West wind less than 10 knots backing south by
midnight. Partly cloudy through late evening then becoming mostly
cloudy. Waves subsiding to 1 to 2 feet.
.WEDNESDAY...South wind less than 10 knots backing northeast in
the afternoon. Mostly cloudy. A chance of showers in the
afternoon. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...North wind less than 10 knots backing
northwest after midnight. Cloudy. A chance of showers in the
evening, then a slight chance of showers after midnight. Waves
calm to 1 foot.

$$

WFO MQT