103
FZUS53 KMQT 210301
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
1101 PM EDT Mon Jul 20 2026

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.

LMZ221-210800-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
1101 PM EDT Mon Jul 20 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT TUESDAY...
...TORNADO WATCH 501 IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT TUESDAY THROUGH
WEDNESDAY MORNING...

.REST OF TONIGHT...Southwest wind 10 to 15 knots veering west
late. Partly cloudy. A chance of thunderstorms and a slight
chance of showers by midnight, then a slight chance of showers
late. Patchy smoke late. Some thunderstorms may be severe. Waves
2 to 4 feet subsiding to 2 to 3 feet.
.TUESDAY...Northwest wind 15 to 20 knots becoming 15 to 25 knots
by late morning. Gusts up to 33 knots. Mostly cloudy. A slight
chance of showers through mid morning, then a slight chance of
showers and thunderstorms by late morning. Waves building to 3 to
5 feet occasionally to 7 feet.
.TUESDAY NIGHT...Northwest wind 15 to 25 knots with gale force
gusts up to 34 knots. Mostly cloudy in the evening then becoming
partly cloudy. Patchy smoke after midnight. Waves subsiding to
2 to 4 feet.
.WEDNESDAY...North wind 10 to 20 knots. Sunny. Waves subsiding to
1 to 2 feet.

$$

LMZ248-250-210800-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1101 PM EDT Mon Jul 20 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...
...TORNADO WATCH 501 IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

.REST OF TONIGHT...Southwest wind 10 to 15 knots veering west
late. Gusts up to 25 knots. Partly cloudy. A chance of showers
and thunderstorms by midnight, then a slight chance of showers
late. Patchy smoke late. Some thunderstorms may be severe. Waves
4 to 7 feet occasionally to 9 feet subsiding to 2 to 4 feet.
.TUESDAY...Northwest wind 10 to 20 knots increasing to 15 to
25 knots by late morning. Gale force gusts up to 35 knots. Mostly
cloudy. A slight chance of showers through mid morning, then a
slight chance of showers and thunderstorms by late morning. Waves
building to 3 to 5 feet occasionally to 7 feet.
.TUESDAY NIGHT...Northwest wind 15 to 25 knots with gale force
gusts up to 34 knots. Mostly cloudy in the evening then becoming
partly cloudy. Waves subsiding to 2 to 4 feet.
.WEDNESDAY...Northwest wind 10 to 20 knots. Sunny. Waves
subsiding to 1 to 2 feet.

$$

LSZ240-210800-
Saxon Harbor WI to Black River MI-
1101 PM EDT Mon Jul 20 2026 /1001 PM CDT Mon Jul 20 2026/

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

.REST OF TONIGHT...West wind 10 to 20 knots with gusts up to
27 knots. Partly cloudy by midnight then becoming mostly cloudy.
Patchy smoke by midnight. A chance of showers and a slight chance
of thunderstorms. Waves 1 to 2 feet building to 2 to 3 feet.
.TUESDAY...Northwest wind 15 to 20 knots. Gusts up to 31 knots.
Mostly cloudy. Waves building to 2 to 4 feet, then subsiding to
2 to 3 feet.
.TUESDAY NIGHT...North wind 10 to 15 knots with gusts up to
24 knots backing northwest less than 10 knots after midnight.
Mostly clear. Waves subsiding to 1 to 2 feet.
.WEDNESDAY...Northwest wind less than 10 knots in the morning
becoming variable. Sunny. Waves calm to 1 foot.

$$

LSZ241-210800-
Black River to Ontonagon MI-
1101 PM EDT Mon Jul 20 2026 /1001 PM CDT Mon Jul 20 2026/

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

.REST OF TONIGHT...West wind 15 to 20 knots with gusts up to
28 knots. Partly cloudy by midnight then becoming mostly cloudy.
Patchy smoke by midnight. A chance of showers and a slight chance
of thunderstorms. Waves 2 to 4 feet.
.TUESDAY...Northwest wind 15 to 20 knots becoming 10 to 20 knots
by late morning. Gusts up to 30 knots. Mostly cloudy. A slight
chance of showers through mid morning. Waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet.
.TUESDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to
22 knots. Partly cloudy. Waves subsiding to 1 to 2 feet.
.WEDNESDAY...Northwest wind 10 to 15 knots backing west less than
10 knots in the afternoon. Sunny. Waves 1 to 2 feet.

$$

LSZ242-243-210800-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
1101 PM EDT Mon Jul 20 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT...

.REST OF TONIGHT...West wind 15 to 20 knots with gusts up to
29 knots. Partly cloudy by midnight then becoming cloudy. A
chance of showers and a slight chance of thunderstorms. Waves
3 to 5 feet occasionally to 7 feet.
.TUESDAY...Northwest wind 15 to 20 knots. Gusts up to 30 knots.
Mostly cloudy. A slight chance of showers through mid morning.
Waves subsiding to 2 to 4 feet.
.TUESDAY NIGHT...Northwest wind 10 to 20 knots. Mostly cloudy in
the evening then clearing. Patchy smoke. Waves subsiding to 2 to
3 feet.
.WEDNESDAY...Northwest wind 10 to 15 knots backing west in the
afternoon. Gusts up to 22 knots. Sunny. Waves subsiding to 1 to
2 feet, then building to 2 to 3 feet.

$$

LSZ244-245-210800-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
1101 PM EDT Mon Jul 20 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT TUESDAY...
...GALE WARNING IN EFFECT FROM 8 AM EDT TUESDAY THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...West wind 15 to 20 knots. Gusts up to
30 knots. Partly cloudy by midnight then becoming cloudy. A
slight chance of showers and thunderstorms. Waves 2 to 4 feet
building to 3 to 5 feet occasionally to 7 feet.
.TUESDAY...Northwest wind 20 to 25 knots with gale force gusts up
to 40 knots. Mostly cloudy. A slight chance of showers through
mid morning. Waves building to 4 to 7 feet occasionally to
9 feet.
.TUESDAY NIGHT...Northwest wind 15 to 20 knots with gale force
gusts up to 36 knots. Mostly cloudy in the evening then clearing.
Patchy smoke after midnight. Waves subsiding to 2 to 4 feet.
.WEDNESDAY...Northwest wind 10 to 15 knots backing west in the
afternoon. Gusts up to 25 knots. Sunny. Waves subsiding to 1 to
2 feet.

$$

LSZ246-210800-
Point Isabelle to Lower Entrance of Portage Canal MI-
1101 PM EDT Mon Jul 20 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT TUESDAY...
...GALE WARNING IN EFFECT FROM 8 AM EDT TUESDAY THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...West wind 15 to 20 knots with gusts up to
29 knots. Partly cloudy by midnight then becoming cloudy. A
chance of showers and a slight chance of thunderstorms. Waves
1 to 2 feet.
.TUESDAY...Northwest wind 15 to 25 knots with gale force gusts up
to 38 knots. Mostly cloudy. A slight chance of showers through
mid morning. Waves building to 2 to 4 feet, then subsiding to
2 to 3 feet.
.TUESDAY NIGHT...Northwest wind 10 to 20 knots with gusts up to
33 knots. Mostly cloudy in the evening then clearing. Patchy
smoke. Waves subsiding to 1 to 2 feet.
.WEDNESDAY...Northwest wind 10 to 15 knots backing west in the
afternoon. Gusts up to 22 knots. Sunny. Waves 1 to 2 feet.

$$

LSZ247-210800-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
1101 PM EDT Mon Jul 20 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT TUESDAY...
...GALE WARNING IN EFFECT FROM 8 AM EDT TUESDAY THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...West wind 15 to 20 knots. Gusts up to
29 knots. Partly cloudy by midnight then becoming cloudy. A
chance of showers and a slight chance of thunderstorms. Waves
2 to 3 feet.
.TUESDAY...Northwest wind 20 to 25 knots. Gale force gusts up to
37 knots. Cloudy. A chance of showers through mid morning. A
slight chance of showers late. Waves building to 3 to 6 feet
occasionally to 8 feet.
.TUESDAY NIGHT...Northwest wind 15 to 25 knots with gusts up to
33 knots. Mostly cloudy in the evening then clearing. Patchy
smoke. Waves subsiding to 2 to 3 feet.
.WEDNESDAY...Northwest wind 10 to 15 knots with gusts up to
24 knots. Sunny. Waves subsiding to 1 to 2 feet.

$$

LSZ248-210800-
Huron Islands to Marquette MI-
1101 PM EDT Mon Jul 20 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT TUESDAY...
...GALE WARNING IN EFFECT FROM 8 AM EDT TUESDAY THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...West wind 15 to 20 knots with gusts up to
32 knots. Partly cloudy with a slight chance of showers by
midnight, then cloudy with a chance of showers late. Waves 2 to
3 feet building to 2 to 4 feet.
.TUESDAY...Northwest wind up to 30 knots with gale force gusts up
to 43 knots. Cloudy. A chance of showers through mid morning.
Waves building to 7 to 10 feet occasionally to 13 feet.
.TUESDAY NIGHT...Northwest wind up to 30 knots with gale force
gusts up to 40 knots. Mostly cloudy in the evening then becoming
mostly clear. Patchy smoke after midnight. Waves subsiding to
3 to 6 feet occasionally to 8 feet.
.WEDNESDAY...Northwest wind 10 to 20 knots with gusts up to
30 knots. Sunny. Waves subsiding to 1 to 2 feet.

$$

LSZ249-210800-
Marquette to Munising MI-
1101 PM EDT Mon Jul 20 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT TUESDAY...
...GALE WARNING IN EFFECT FROM 8 AM EDT TUESDAY THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...Southwest wind 10 to 15 knots veering west
15 to 20 knots late. Gusts up to 29 knots. Partly cloudy with a
slight chance of showers and thunderstorms by midnight, then
mostly cloudy with a chance of showers late. Some thunderstorms
may be severe. Waves 1 to 2 feet building to 3 to 5 feet
occasionally to 7 feet.
.TUESDAY...Northwest wind up to 30 knots. Gale force gusts up to
43 knots. Mostly cloudy. A chance of showers through mid morning.
Waves building to 9 to 12 feet occasionally to 15 feet.
.TUESDAY NIGHT...Northwest wind up to 30 knots with gale force
gusts up to 40 knots. Mostly cloudy in the evening then becoming
mostly clear. Waves subsiding to 5 to 8 feet occasionally to
10 feet.
.WEDNESDAY...Northwest wind 20 to 25 knots diminishing to 10 to
20 knots in the afternoon. Sunny. Waves subsiding to 2 to 4 feet.

$$

LSZ250-210800-
Munising to Grand Marais MI-
1101 PM EDT Mon Jul 20 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT TUESDAY...
...GALE WARNING IN EFFECT FROM 8 AM EDT TUESDAY THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...Southwest wind 10 to 15 knots veering west
15 to 20 knots late. Gusts up to 27 knots. Mostly cloudy. A
slight chance of showers and thunderstorms by midnight, then a
chance of showers late. Some thunderstorms may be severe. Waves
1 to 2 feet building to 3 to 5 feet occasionally to 7 feet.
.TUESDAY...Northwest wind up to 30 knots with gale force gusts up
to 41 knots. Cloudy. A chance of showers through mid morning.
Waves building to 8 to 11 feet occasionally to 14 feet.
.TUESDAY NIGHT...Northwest wind 20 to 25 knots with gale force
gusts up to 37 knots. Cloudy with a slight chance of showers in
the evening, then partly cloudy after midnight. Waves subsiding
to 4 to 7 feet occasionally to 9 feet.
.WEDNESDAY...Northwest wind 15 to 20 knots. Gusts up to 27 knots.
Sunny. Waves subsiding to 3 to 5 feet occasionally to 7 feet.

$$

LSZ251-210800-
Grand Marais to Whitefish Point MI-
1101 PM EDT Mon Jul 20 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT TUESDAY...
...GALE WARNING IN EFFECT FROM 8 AM EDT TUESDAY THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...Southwest wind 15 to 20 knots veering west
late. Mostly cloudy. A chance of thunderstorms and a slight
chance of showers by midnight, then a chance of showers late.
Some thunderstorms may be severe. Waves 2 to 3 feet subsiding to
1 to 2 feet, then building to 2 to 4 feet.
.TUESDAY...Northwest wind up to 30 knots. Gale force gusts up to
37 knots. Cloudy. A chance of showers through mid morning, then a
slight chance of showers by late morning. Waves building to 9 to
12 feet occasionally to 15 feet, then subsiding to 8 to 11 feet
occasionally to 14 feet.
.TUESDAY NIGHT...Northwest wind up to 30 knots. Mostly cloudy. A
slight chance of showers in the evening. Waves subsiding to 5 to
8 feet occasionally to 10 feet.
.WEDNESDAY...Northwest wind 20 to 25 knots becoming 15 to
25 knots in the afternoon. Sunny. Waves subsiding to 3 to 6 feet
occasionally to 8 feet.

$$

WFO MQT