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FZUS53 KDLH 010935
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
335 AM CST Mon Dec 1 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.

LSZ140-011700-
Grand Portage to Grand Marais MN-
335 AM CST Mon Dec 1 2025

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

.TODAY...West wind 15 to 20 knots with gusts to around 25 knots.
Partly sunny. Waves 3 to 5 feet. Waves occasionally to 7 feet.
.TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots in the
evening. Mostly cloudy. Waves 3 to 5 feet subsiding to 1 to
3 feet after midnight.
.TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots
becoming southwest 15 to 20 knots with gusts to around 25 knots
in the afternoon. Slight chance of snow through the day. Waves
1 to 3 feet building to 2 to 4 feet late in the afternoon. A
small craft advisory may be needed.
.TUESDAY NIGHT...Southwest wind 15 to 20 knots with gusts to
around 25 knots becoming northwest with gusts to around 25 knots
after midnight. Snow likely. Waves 3 to 5 feet. A small craft
advisory may be needed.

$$

LSZ141-011700-
Grand Marais to Taconite Harbor MN-
335 AM CST Mon Dec 1 2025

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

.TODAY...West wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Partly sunny. Waves 1 to
2 feet building to 2 to 4 feet in the late morning and afternoon.
.TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early
in the evening. Chance of flurries after midnight. Waves 2 to
4 feet subsiding to 1 to 3 feet in the late evening and
overnight.
.TUESDAY...West wind 10 to 15 knots becoming southwest with gusts
to around 20 knots in the afternoon. Partly sunny. Waves 1 to
3 feet.
.TUESDAY NIGHT...West wind 10 to 15 knots becoming northwest
after midnight. Gusts up to 20 knots. Snow likely in the evening,
then chance of snow after midnight. Waves 1 to 3 feet.

$$

LSZ142-011700-
Taconite Harbor to Silver Bay Harbor MN-
335 AM CST Mon Dec 1 2025

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

.TODAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Partly sunny. Waves 1 to 3 feet.
.TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots
easing to 5 knots early in the morning. Chance of flurries. Waves
1 to 3 feet.
.TUESDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Partly sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots becoming northwest 5 to 10 knots with gusts to
around 20 knots after midnight. Snow likely in the evening, then
chance of snow after midnight. Waves 1 to 2 feet.

$$

LSZ143-011700-
Silver Bay Harbor to Two Harbors MN-
335 AM CST Mon Dec 1 2025

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

.TODAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and afternoon. Chance
of flurries late in the afternoon. Waves 1 to 2 feet building to
1 to 3 feet in the late morning and afternoon.
.TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots in the
evening. Chance of flurries through the night. Waves 1 to 3 feet.
.TUESDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Mostly cloudy. Waves 1 to 3 feet.
.TUESDAY NIGHT...Southwest wind 10 to 15 knots becoming west 5 to
10 knots after midnight. Gusts up to 20 knots. Snow likely in the
evening, then chance of snow after midnight. Waves 1 to 3 feet.

$$

LSZ144-011700-
Two Harbors to Duluth MN-
335 AM CST Mon Dec 1 2025

.TODAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Mostly sunny in the
morning then becoming mostly cloudy. Waves 1 to 3 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots
early in the evening. Chance of flurries. Waves 1 to 2 feet.
.TUESDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Mostly cloudy. Waves 1 to 3 feet.
.TUESDAY NIGHT...Southwest wind 10 to 15 knots becoming northwest
early in the morning. Gusts up to 20 knots. Snow likely in the
evening, then chance of snow after midnight. Waves 1 to 3 feet.

$$

LSZ145-011700-
Duluth MN to Port Wing WI-
335 AM CST Mon Dec 1 2025

.TODAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. Partly sunny.
Waves 1 to 3 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the evening. Chance of flurries. Waves 1 to 2 feet.
.TUESDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Mostly cloudy. Waves 1 to 3 feet.
.TUESDAY NIGHT...Southwest wind 10 to 15 knots becoming northwest
early in the morning. Gusts up to 20 knots. Snow likely in the
evening, then chance of snow after midnight. Waves 1 to 3 feet.

$$

LSZ146-011700-
Port Wing to Sand Island WI-
335 AM CST Mon Dec 1 2025

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

.TODAY...Southwest wind 15 to 20 knots with gusts to around
25 knots. Chance of flurries early in the morning. Chance of
flurries late in the afternoon. Waves 2 to 4 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots
until early morning. Slight chance of snow. Waves 1 to 3 feet
subsiding to 1 to 2 feet after midnight.
.TUESDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Mostly cloudy. Waves 1 to 3 feet.
.TUESDAY NIGHT...Southwest wind 10 to 15 knots becoming northwest
early in the morning. Gusts up to 20 knots. Snow likely. Waves
1 to 3 feet.

$$

LSZ147-011700-
Sand Island to Bayfield WI-
335 AM CST Mon Dec 1 2025

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

.TODAY...Southwest wind 15 to 20 knots with gusts to around
25 knots. Chance of flurries in the morning. Chance of flurries
late in the afternoon. Waves 2 to 4 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots
until early morning. Chance of flurries in the evening, then
slight chance of snow after midnight. Waves 1 to 3 feet subsiding
to 1 to 2 feet after midnight.
.TUESDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Mostly cloudy. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southwest wind 10 to 15 knots becoming northwest
early in the morning. Gusts up to 20 knots. Snow likely. Waves
1 to 2 feet.

$$

LSZ150-011700-
Outer Apostle Islands Beyond 5 NM from Mainland-
335 AM CST Mon Dec 1 2025

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

.TODAY...Southwest wind 15 to 20 knots with gusts to around
25 knots. Slight chance of snow early in the morning. Chance of
flurries in the late morning and afternoon. Waves 3 to 5 feet.
Waves occasionally to 7 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots in the late evening and overnight. Chance
of snow in the evening, then slight chance of snow after
midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the
morning.
.TUESDAY...Southwest wind 10 knots with gusts to around 20 knots
rising to 10 to 15 knots with gusts to around 25 knots in the
late morning and afternoon. Slight chance of snow in the morning.
Waves 1 to 2 feet.
.TUESDAY NIGHT...Southwest wind 10 to 15 knots becoming northwest
early in the morning. Gusts up to 25 knots. Snow likely. Waves
1 to 3 feet.

$$

LSZ121-011700-
Chequamegon Bay-Bayfield to Oak Point WI-
335 AM CST Mon Dec 1 2025

.TODAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Mostly cloudy. Waves 1 foot or less.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots
early in the evening. Chance of flurries. Waves 1 foot or less.
.TUESDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Partly sunny. Waves 1 foot or less.
.TUESDAY NIGHT...Southwest wind 10 to 15 knots becoming west
early in the morning. Gusts up to 20 knots. Snow likely. Waves
1 foot or less.

$$

LSZ148-011700-
Oak Point to Saxon Harbor WI-
335 AM CST Mon Dec 1 2025

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

.TODAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Mostly cloudy. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the evening. Chance of flurries. Waves 1 to 2 feet.
.TUESDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Partly sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southwest wind 10 to 15 knots becoming west
early in the morning. Gusts up to 20 knots. Snow likely in the
evening, then snow after midnight. Waves 1 to 2 feet.

$$

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

WFO DLH