825
FZUS53 KMQT 182102
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
502 PM EDT Fri Jul 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-
502 PM EDT Fri Jul 18 2025

.LATE THIS AFTERNOON...South wind less than 10 knots. Mostly
cloudy. Waves calm to 1 foot.
.TONIGHT...South wind less than 10 knots. Partly cloudy with a
slight chance of showers through midnight, then mostly cloudy
with a chance of showers and a slight chance of thunderstorms
late. Waves calm to 1 foot.
.SATURDAY...South wind less than 10 knots backing southeast by
late morning, then backing north late. Mostly cloudy. Showers
likely in the morning. A slight chance of thunderstorms through
the day. A chance of showers in the afternoon. Waves calm to
1 foot.
.SATURDAY NIGHT...North wind less than 10 knots. Mostly clear.
Waves calm to 1 foot.
.SUNDAY...North wind less than 10 knots veering southeast in the
afternoon. Sunny. 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-
502 PM EDT Fri Jul 18 2025

.LATE THIS AFTERNOON...South wind less than 10 knots. Partly
cloudy. Waves calm to 1 foot.
.TONIGHT...South wind less than 10 knots. Mostly cloudy. A slight
chance of showers by midnight. A chance of showers late. Waves
calm to 1 foot.
.SATURDAY...South wind less than 10 knots backing southeast by
late morning, then backing north late. Mostly cloudy. Showers
likely in the morning. A slight chance of thunderstorms through
the day. A chance of showers in the afternoon. Patchy fog by late
morning. Waves calm to 1 foot.
.SATURDAY NIGHT...North wind less than 10 knots. Mostly clear.
Waves calm to 1 foot.
.SUNDAY...North wind less than 10 knots backing northwest in the
afternoon. Sunny. Waves calm to 1 foot.

$$

LSZ240-241-190800-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
502 PM EDT Fri Jul 18 2025 /402 PM CDT Fri Jul 18 2025/

.LATE THIS AFTERNOON...Northeast wind less than 10 knots. Mostly
cloudy with a chance of showers. Waves calm to 1 foot.
.TONIGHT...East wind less than 10 knots backing northeast late. A
chance of showers and a slight chance of thunderstorms through
late evening, then showers likely and a slight chance of
thunderstorms by midnight. Patchy fog late. Waves calm to 1 foot.
.SATURDAY...Northeast wind less than 10 knots through mid morning
becoming variable. Mostly cloudy through early afternoon then
clearing. A slight chance of showers through mid morning. Patchy
fog through mid morning. Waves calm to 1 foot.
.SATURDAY NIGHT...Variable wind less than 10 knots. Mostly clear.
Waves calm to 1 foot.
.SUNDAY...Variable wind less than 10 knots becoming northeast
less than 10 knots in the afternoon. Mostly sunny. 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-
502 PM EDT Fri Jul 18 2025

.LATE THIS AFTERNOON...Variable wind less than 10 knots. Cloudy
with a chance of showers. Waves calm to 1 foot.
.TONIGHT...Variable wind less than 10 knots becoming northeast
less than 10 knots late. Cloudy. A chance of showers through late
evening, then a chance of showers and a slight chance of
thunderstorms by midnight. Patchy fog late. Waves calm to 1 foot.
.SATURDAY...Northeast wind less than 10 knots backing west late.
Partly cloudy. A chance of showers through mid morning. Patchy
fog through mid morning. Waves calm to 1 foot.
.SATURDAY NIGHT...Variable wind less than 10 knots. Mostly clear.
Waves calm to 1 foot.
.SUNDAY...Variable wind less than 10 knots. Gusts up to 12 knots.
Mostly sunny. Waves calm to 1 foot.

$$

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

.LATE THIS AFTERNOON...Variable wind less than 10 knots. Cloudy
with a chance of showers. Waves calm to 1 foot.
.TONIGHT...Variable wind less than 10 knots. A chance of showers
through midnight, then showers likely late. Patchy fog late.
Waves calm to 1 foot.
.SATURDAY...Variable wind less than 10 knots becoming west less
than 10 knots late. Mostly cloudy. A chance of showers through
mid morning. Patchy fog through mid morning. Waves calm to
1 foot.
.SATURDAY NIGHT...West wind less than 10 knots. Partly cloudy.
Waves calm to 1 foot.
.SUNDAY...Variable wind less than 10 knots. Mostly sunny. Waves
calm to 1 foot.

$$

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

.LATE THIS AFTERNOON...Variable wind less than 10 knots. Cloudy
with a chance of showers. Waves calm to 1 foot.
.TONIGHT...Variable wind less than 10 knots. Cloudy. A chance of
showers through late evening, then a chance of showers and a
slight chance of thunderstorms by midnight. Patchy fog late.
Waves calm to 1 foot.
.SATURDAY...Variable wind less than 10 knots. Gusts up to
14 knots. Patchy fog through mid morning. Cloudy with a chance of
showers through mid morning, then partly cloudy with a slight
chance of showers by late morning. Mostly sunny late. Waves calm
to 1 foot.
.SATURDAY NIGHT...Variable wind less than 10 knots. Mostly clear.
Waves calm to 1 foot.
.SUNDAY...Variable wind less than 10 knots. Gusts up to 15 knots.
Mostly sunny. Waves calm to 1 foot.

$$

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

.LATE THIS AFTERNOON...Northeast wind less than 10 knots. Cloudy
with a chance of showers. Waves calm to 1 foot.
.TONIGHT...Variable wind less than 10 knots. Cloudy. A chance of
showers through midnight. A slight chance of thunderstorms by
midnight. Showers likely late. Patchy fog late. Waves calm to
1 foot.
.SATURDAY...Variable wind less than 10 knots. Gusts up to
15 knots. Mostly cloudy through early afternoon then clearing.
Patchy fog through mid morning. A chance of showers through mid
morning, then a slight chance of showers by late morning. Waves
calm to 1 foot.
.SATURDAY NIGHT...Variable wind less than 10 knots. Mostly clear.
Waves calm to 1 foot.
.SUNDAY...Variable wind less than 10 knots. Gusts up to 15 knots.
Mostly sunny. Waves calm to 1 foot.

$$

LSZ248-190800-
Huron Islands to Marquette MI-
502 PM EDT Fri Jul 18 2025

.LATE THIS AFTERNOON...North wind less than 10 knots. Cloudy with
a chance of showers. Waves calm to 1 foot.
.TONIGHT...Variable wind less than 10 knots. Cloudy. A chance of
showers through midnight. A slight chance of thunderstorms by
midnight. Showers likely late. Patchy fog late. Waves calm to
1 foot.
.SATURDAY...Variable wind less than 10 knots becoming north less
than 10 knots late. Cloudy through early afternoon then becoming
partly cloudy. A chance of showers and a slight chance of
thunderstorms through mid morning, then a slight chance of
showers by late morning. Patchy fog through early afternoon.
Waves calm to 1 foot.
.SATURDAY NIGHT...Variable wind less than 10 knots. Mostly clear.
Waves calm to 1 foot.
.SUNDAY...Variable wind less than 10 knots. Gusts up to 13 knots.
Mostly sunny. Waves calm to 1 foot.

$$

LSZ249-190800-
Marquette to Munising MI-
502 PM EDT Fri Jul 18 2025

.LATE THIS AFTERNOON...South wind less than 10 knots. Mostly
cloudy with a chance of showers. Waves calm to 1 foot.
.TONIGHT...South wind less than 10 knots through midnight
becoming variable. Mostly cloudy. A chance of showers through
midnight, then showers likely and a slight chance of
thunderstorms late. Waves calm to 1 foot.
.SATURDAY...Variable wind less than 10 knots becoming north less
than 10 knots late. Mostly cloudy. Showers likely and a slight
chance of thunderstorms through mid morning, then a chance of
showers by late morning. Patchy fog through early afternoon.
Waves calm to 1 foot.
.SATURDAY NIGHT...Variable wind less than 10 knots. Partly
cloudy. Waves calm to 1 foot.
.SUNDAY...Variable wind less than 10 knots. Mostly sunny. Waves
calm to 1 foot.

$$

LSZ250-190800-
Munising to Grand Marais MI-
502 PM EDT Fri Jul 18 2025

.LATE THIS AFTERNOON...South wind less than 10 knots. Mostly
cloudy with a slight chance of showers. Waves calm to 1 foot.
.TONIGHT...South wind less than 10 knots. Cloudy. A slight chance
of showers through late evening, then a chance of showers by
midnight. Showers likely late. Waves calm to 1 foot.
.SATURDAY...East wind less than 10 knots backing north late.
Mostly cloudy. Patchy fog through early afternoon. Showers likely
in the morning. A slight chance of thunderstorms through the day.
A chance of showers in the afternoon. Waves calm to 1 foot.
.SATURDAY NIGHT...Northwest wind less than 10 knots. Mostly
cloudy in the evening then becoming partly cloudy. Patchy fog in
the evening. Waves calm to 1 foot.
.SUNDAY...Northwest wind less than 10 knots. Mostly sunny. Waves
calm to 1 foot.

$$

LSZ251-190800-
Grand Marais to Whitefish Point MI-
502 PM EDT Fri Jul 18 2025

.LATE THIS AFTERNOON...South wind less than 10 knots. Mostly
cloudy with a slight chance of showers. Waves calm to 1 foot.
.TONIGHT...South wind less than 10 knots. Cloudy. A slight chance
of showers through midnight, then a chance of showers late. Waves
calm to 1 foot.
.SATURDAY...Southeast wind less than 10 knots backing north late.
Mostly cloudy. Patchy fog through early afternoon. Showers likely
through mid morning. A chance of showers by late morning, then a
slight chance of showers late. Waves calm to 1 foot.
.SATURDAY NIGHT...Northwest wind less than 10 knots. Mostly
cloudy. Patchy fog in the evening. Waves calm to 1 foot.
.SUNDAY...Northwest wind less than 10 knots. Mostly sunny. Waves
calm to 1 foot.

$$

WFO MQT