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FZUS53 KDLH 250321
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
921 PM CST Mon Nov 24 2025

For waters within five nautical miles of shore on Lake Superior.

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.

LSZ140-251100-
Grand Portage to Grand Marais MN-
921 PM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Mostly cloudy.
Waves 1 to 2 feet.
.TUESDAY...Northeast wind 15 to 20 knots. Gusts up to 20 knots
increasing to 30 knots. Chance of snow and slight chance of rain
in the morning, then snow likely and chance of rain in the
afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late
morning and afternoon. A small craft advisory may be needed.
.TUESDAY NIGHT...North wind up to 30 knots. Gusts up to 30 knots
increasing to 40 knots. Snow. Waves 4 to 7 feet. Waves
occasionally to 9 feet. A gale warning may be needed.
.WEDNESDAY...North wind up to 30 knots with gales to around
40 knots. Snow in the morning, then snow likely in the afternoon.
Waves 4 to 6 feet. Waves occasionally to 8 feet. A gale warning
may be needed.

$$

LSZ141-251100-
Grand Marais to Taconite Harbor MN-
921 PM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Mostly cloudy.
Waves 1 to 2 feet.
.TUESDAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots.
Chance of rain in the morning, then rain and snow likely in the
afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late
morning and afternoon. A small craft advisory may be needed.
.TUESDAY NIGHT...North wind 20 to 25 knots. Gusts up to 30 knots
increasing to 40 knots. Snow. Waves 2 to 4 feet. A gale warning
may be needed.
.WEDNESDAY...Northwest wind 20 to 25 knots. Gales up to 40 knots
decreasing to 35 knots late in the afternoon. Snow in the
morning, then snow likely in the afternoon. Waves 2 to 4 feet. A
gale warning may be needed.

$$

LSZ142-251100-
Taconite Harbor to Silver Bay Harbor MN-
921 PM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots after midnight. Slight chance of rain toward daybreak.
Waves 1 to 2 feet building to 1 to 3 feet toward daybreak.
.TUESDAY...Northeast wind 15 to 20 knots. Gusts up to 20 knots
increasing to 30 knots. Chance of rain in the morning, then rain
likely and snow in the afternoon. Waves 4 to 6 feet. Waves
occasionally to 8 feet. A small craft advisory may be needed.
.TUESDAY NIGHT...North wind 20 to 25 knots. Gusts up to 30 knots
increasing to 40 knots. Snow. Waves 4 to 6 feet. Waves
occasionally to 7 feet. A gale warning may be needed.
.WEDNESDAY...Northwest wind 20 to 25 knots. Gales up to 40 knots
decreasing to 35 knots in the afternoon. Snow in the morning,
then snow likely in the afternoon. Waves 2 to 4 feet. A gale
warning may be needed.

$$

LSZ143-251100-
Silver Bay Harbor to Two Harbors MN-
921 PM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots after midnight. Slight chance of rain toward daybreak.
Waves 1 to 2 feet building to 2 to 4 feet toward daybreak.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 30 knots in the afternoon. Rain likely in the
morning, then rain and snow in the afternoon. Waves 4 to 7 feet.
Waves occasionally to 9 feet. A small craft advisory may be
needed.
.TUESDAY NIGHT...North wind 20 to 25 knots. Gusts up to 35 knots.
Slight chance of rain in the evening. Snow through the night.
Waves 4 to 7 feet. Waves occasionally to 9 feet. A gale warning
may be needed.
.WEDNESDAY...Northwest wind 20 to 25 knots with gales to around
35 knots. Snow in the morning, then chance of snow in the
afternoon. Waves 2 to 4 feet. A gale warning may be needed.

$$

LSZ144-251100-
Two Harbors to Duluth MN-
921 PM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots after midnight. Slight chance of rain toward daybreak.
Waves 1 to 2 feet building to 2 to 4 feet toward daybreak.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 30 knots in the afternoon. Rain likely in the
morning, then rain and snow in the afternoon. Waves 4 to 7 feet.
Waves occasionally to 9 feet. A small craft advisory may be
needed.
.TUESDAY NIGHT...North wind 20 to 25 knots becoming northwest
early in the morning. Gusts up to 35 knots. Slight chance of rain
in the evening. Snow through the night. Waves 4 to 7 feet
subsiding to 3 to 5 feet early in the morning. Waves occasionally
to 9 feet. A gale warning may be needed.
.WEDNESDAY...Northwest wind 20 to 25 knots. Gusts up to 35 knots
decreasing to 30 knots in the afternoon. Snow likely in the
morning, then chance of snow in the afternoon. Waves 2 to 4 feet.
A gale warning may be needed.

$$

LSZ145-251100-
Duluth MN to Port Wing WI-
921 PM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots toward daybreak. Slight chance of rain toward daybreak.
Waves 1 to 3 feet building to 2 to 4 feet toward daybreak.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 30 knots in the afternoon. Rain likely in the
morning, then rain and snow in the afternoon. Waves 5 to 8 feet.
Waves occasionally to 10 feet. A small craft advisory may be
needed.
.TUESDAY NIGHT...North wind 20 to 25 knots. Gusts up to 35 knots.
Rain in the evening. Snow through the night. Waves 5 to 8 feet.
Waves occasionally to 10 feet. A gale warning may be needed.
.WEDNESDAY...Northwest wind 20 to 25 knots with gales to around
35 knots. Snow likely in the morning, then chance of snow in the
afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. A
gale warning may be needed.

$$

LSZ146-251100-
Port Wing to Sand Island WI-
921 PM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.REST OF TONIGHT...Northeast wind 10 to 15 knots with gusts to
around 20 knots. Slight chance of rain toward daybreak. Waves
1 to 2 feet building to 2 to 4 feet after midnight.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 30 knots in the afternoon. Rain likely in the
morning, then rain and snow in the afternoon. Waves 5 to 8 feet.
Waves occasionally to 10 feet. A small craft advisory may be
needed.
.TUESDAY NIGHT...North wind up to 30 knots with gales to around
35 knots becoming north up to 30 knots early in the morning. Rain
in the evening. Snow through the night. Waves 5 to 8 feet. Waves
occasionally to 11 feet. A gale warning may be needed.
.WEDNESDAY...Northwest wind up to 30 knots easing to 20 to
25 knots in the afternoon. Gusts up to 35 knots. Snow in the
morning, then snow likely in the afternoon. Waves 5 to 8 feet.
Waves occasionally to 11 feet. A gale warning may be needed.

$$

LSZ147-251100-
Sand Island to Bayfield WI-
921 PM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.REST OF TONIGHT...Northeast wind 10 to 15 knots with gusts to
around 20 knots. Slight chance of rain toward daybreak. Waves
1 to 2 feet building to 2 to 4 feet after midnight.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 35 knots. Rain likely in the morning, then rain in
the afternoon. Waves 4 to 7 feet. Waves occasionally to 9 feet. A
gale warning may be needed.
.TUESDAY NIGHT...North wind up to 30 knots with gales to around
35 knots. Rain in the evening. Snow through the night. Waves 6 to
9 feet. Waves occasionally to 12 feet. A gale warning may be
needed.
.WEDNESDAY...Northwest wind up to 30 knots with gales to around
35 knots. Snow in the morning, then snow likely in the afternoon.
Waves 6 to 9 feet. Waves occasionally to 12 feet. A gale warning
may be needed.

$$

LSZ150-251100-
Outer Apostle Islands Beyond 5 NM from Mainland-
921 PM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.REST OF TONIGHT...Northeast wind 10 to 15 knots with gusts to
around 20 knots. Slight chance of rain toward daybreak. Waves
1 to 2 feet building to 2 to 4 feet after midnight.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 35 knots. Rain likely in the morning, then rain in
the afternoon. Waves 5 to 8 feet. Waves occasionally to 11 feet.
A gale warning may be needed.
.TUESDAY NIGHT...Northeast wind up to 30 knots with gales to
around 40 knots becoming north with gales to around 40 knots
early in the morning. Rain in the evening. Snow through the
night. Blowing snow after midnight. Waves 7 to 12 feet. Waves
occasionally to 16 feet. A gale warning may be needed.
.WEDNESDAY...Northwest wind up to 30 knots with gales to around
40 knots. Snow. Waves 7 to 12 feet. Waves occasionally to
15 feet. A gale warning may be needed.

$$

LSZ121-251100-
Chequamegon Bay-Bayfield to Oak Point WI-
921 PM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots toward daybreak. Chance of rain toward daybreak. Waves
1 to 2 feet.
.TUESDAY...Northeast wind 20 to 25 knots with gusts to around
30 knots. Rain likely in the morning, then rain in the afternoon.
Waves 1 to 3 feet. A small craft advisory may be needed.
.TUESDAY NIGHT...Northeast wind up to 30 knots with gales to
around 35 knots becoming north 20 to 25 knots with gusts to
around 30 knots early in the morning. Rain in the evening. Snow
through the night. Waves 2 to 4 feet. A gale warning may be
needed.
.WEDNESDAY...Northwest wind 20 to 25 knots. Gusts up to 30 knots
increasing to 35 knots in the late morning and afternoon. Snow in
the morning, then snow likely in the afternoon. Waves 1 to
3 feet. A gale warning may be needed.

$$

LSZ148-251100-
Oak Point to Saxon Harbor WI-
921 PM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots toward daybreak. Slight chance of rain toward daybreak.
Waves 1 to 2 feet building to 2 to 4 feet toward daybreak.
.TUESDAY...Northeast wind 20 to 25 knots with gusts to around
30 knots. Rain likely in the morning, then rain in the afternoon.
Waves 6 to 9 feet. Waves occasionally to 12 feet. A small craft
advisory may be needed.
.TUESDAY NIGHT...Northeast wind up to 30 knots becoming north
after midnight. Gusts up to 35 knots. Rain in the evening. Snow
through the night. Blowing snow after midnight. Waves 8 to
11 feet. Waves occasionally to 15 feet. A gale warning may be
needed.
.WEDNESDAY...Northwest wind up to 30 knots with gales to around
35 knots. Snow. Waves 8 to 11 feet subsiding to 6 to 9 feet late
in the afternoon. Waves occasionally to 14 feet. A gale warning
may be needed.

$$

Graphical marine forecasts are available online at:
weather.gov/greatlakes

WFO DLH