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FZUS53 KDLH 030728
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
127 AM CST Wed Dec 3 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.

LSZ140-031700-
Grand Portage to Grand Marais MN-
127 AM CST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...
...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY
EVENING...

.TODAY...Northwest wind 15 to 20 knots. Gusts up to 30 knots
increasing to 35 knots late in the afternoon. Chance of flurries
early in the morning. Waves 1 to 3 feet.
.TONIGHT...Northwest wind 20 to 25 knots. Gusts up to 35 knots
decreasing to 25 knots. Chance of flurries in the evening. Waves
1 to 3 feet. A gale warning may be needed.
.THURSDAY...West wind 15 to 20 knots with gusts to around
25 knots becoming southwest up to 30 knots with gales to around
45 knots in the afternoon. Freezing spray in the afternoon.
Slight chance of snow in the afternoon. Waves 1 to 2 feet
building to 7 to 10 feet. Waves occasionally to 13 feet. A gale
warning may be needed.
.THURSDAY NIGHT...Southwest wind up to 30 knots with gales to
around 45 knots becoming west 15 to 20 knots with gusts to around
25 knots early in the morning. Freezing spray through the night.
Snow in the evening. Chance of snow after midnight. Waves 8 to
11 feet subsiding to 4 to 7 feet early in the morning. Waves
occasionally to 14 feet. A gale warning may be needed.

$$

LSZ141-031700-
Grand Marais to Taconite Harbor MN-
127 AM CST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...
...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY
EVENING...

.TODAY...Northwest wind 15 to 20 knots with gusts to around
30 knots. Chance of flurries early in the morning. Waves 1 to
2 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 20 knots. Chance of flurries in the evening. Waves
1 to 3 feet.
.THURSDAY...West wind 10 to 15 knots with gusts to around
25 knots becoming southwest 20 to 25 knots with gales to around
35 knots in the afternoon. Freezing spray in the afternoon.
Slight chance of snow in the afternoon. Waves 1 to 2 feet
building to 4 to 7 feet in the afternoon. Waves occasionally to
9 feet. A gale warning may be needed.
.THURSDAY NIGHT...Southwest wind 20 to 25 knots with gales to
around 35 knots becoming west 10 to 15 knots with gusts to around
25 knots early in the morning. Freezing spray in the evening.
Snow in the evening, then chance of snow after midnight. Waves
4 to 7 feet subsiding to 2 to 4 feet early in the morning. Waves
occasionally to 9 feet. A gale warning may be needed.

$$

LSZ142-031700-
Taconite Harbor to Silver Bay Harbor MN-
127 AM CST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...
...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY
EVENING...

.TODAY...Northwest wind 10 to 15 knots with gusts to around
30 knots. Chance of flurries early in the morning. Waves 1 to
2 feet.
.TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots early in the morning. Partly cloudy. Waves
1 to 2 feet.
.THURSDAY...West wind 10 to 15 knots with gusts to around
25 knots becoming southwest 15 to 20 knots with gales to around
35 knots in the afternoon. Slight chance of snow in the
afternoon. Waves 1 to 2 feet building to 3 to 5 feet in the
afternoon. Waves occasionally to 7 feet. A gale warning may be
needed.
.THURSDAY NIGHT...Southwest wind 15 to 20 knots with gales to
around 35 knots becoming west 5 to 10 knots with gusts to around
20 knots early in the morning. Freezing spray in the evening.
Snow in the evening, then chance of snow after midnight. Waves
4 to 6 feet subsiding to 1 to 3 feet early in the morning. Waves
occasionally to 7 feet. A gale warning may be needed.

$$

LSZ143-031700-
Silver Bay Harbor to Two Harbors MN-
127 AM CST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...
...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY
EVENING...

.TODAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots in the late morning and early afternoon,
then decreasing to 25 knots late in the afternoon. Chance of
flurries early in the morning. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Partly cloudy. Waves 1 to
2 feet.
.THURSDAY...West wind 10 to 15 knots with gusts to around
25 knots becoming southwest 20 to 25 knots with gales to around
40 knots in the afternoon. Freezing spray in the afternoon.
Slight chance of snow in the afternoon. Waves 1 to 2 feet
building to 4 to 6 feet in the afternoon. Waves occasionally to
8 feet. A gale warning may be needed.
.THURSDAY NIGHT...Southwest wind 20 to 25 knots with gales to
around 40 knots becoming west 10 to 15 knots with gusts to around
25 knots early in the morning. Freezing spray in the evening.
Snow in the evening, then chance of snow after midnight. Waves
4 to 7 feet subsiding to 1 to 3 feet early in the morning. Waves
occasionally to 9 feet. A gale warning may be needed.

$$

LSZ144-031700-
Two Harbors to Duluth MN-
127 AM CST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...
...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY
EVENING...

.TODAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Chance of flurries early in the morning. Waves 1 to
2 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots.
Partly cloudy. Waves 1 to 2 feet.
.THURSDAY...Southwest wind 20 to 25 knots with gales to around
35 knots. Slight chance of snow in the afternoon. Waves 1 to
2 feet building to 4 to 6 feet in the afternoon. Waves
occasionally to 8 feet. A gale warning may be needed.
.THURSDAY NIGHT...Southwest wind 20 to 25 knots with gales to
around 40 knots becoming west 10 to 15 knots with gusts to around
20 knots early in the morning. Freezing spray in the evening.
Snow in the evening, then chance of snow after midnight. Waves
4 to 7 feet subsiding to 1 to 3 feet early in the morning. Waves
occasionally to 9 feet. A gale warning may be needed.

$$

LSZ145-031700-
Duluth MN to Port Wing WI-
127 AM CST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.TODAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Chance of flurries early in the morning. Waves 2 to
4 feet.
.TONIGHT...West wind 15 to 20 knots. Gusts up to 30 knots. Partly
cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet early in the
morning.
.THURSDAY...Southwest wind 20 to 25 knots with gusts to around
30 knots. Slight chance of snow in the afternoon. Waves 1 to
3 feet building to 4 to 6 feet in the afternoon. Waves
occasionally to 7 feet.
.THURSDAY NIGHT...Southwest wind up to 30 knots with gales to
around 35 knots easing to 15 to 20 knots with gusts to around
25 knots early in the morning. Freezing spray in the evening.
Snow likely in the evening, then chance of snow after midnight.
Waves 4 to 7 feet subsiding to 2 to 4 feet early in the morning.
Waves occasionally to 9 feet. A gale warning may be needed.

$$

LSZ146-031700-
Port Wing to Sand Island WI-
127 AM CST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.TODAY...Northwest wind 20 to 25 knots. Gusts up to 25 knots
increasing to 30 knots in the late morning and afternoon. Chance
of flurries early in the morning. Waves 3 to 5 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 20 knots. Chance of flurries in the evening. Waves
3 to 5 feet subsiding to 1 to 3 feet early in the morning.
.THURSDAY...Southwest wind 20 to 25 knots with gusts to around
30 knots. Slight chance of snow in the afternoon. Waves 1 to
3 feet building to 3 to 5 feet in the afternoon. Waves
occasionally to 7 feet.
.THURSDAY NIGHT...Southwest wind up to 30 knots with gales to
around 35 knots becoming west 15 to 20 knots with gusts to around
25 knots early in the morning. Freezing spray through the night.
Snow in the evening. Snow likely after midnight. Waves 4 to
7 feet subsiding to 2 to 4 feet early in the morning. Waves
occasionally to 9 feet. A gale warning may be needed.

$$

LSZ147-031700-
Sand Island to Bayfield WI-
127 AM CST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.TODAY...Northwest wind 20 to 25 knots with gusts to around
30 knots. Chance of flurries early in the morning. Chance of
flurries late in the afternoon. Waves 3 to 5 feet. Waves
occasionally to 7 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 20 knots. Chance of flurries in the evening. Waves
3 to 5 feet.
.THURSDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots rising to 15 to 20 knots with gusts to around 30 knots
in the afternoon. Slight chance of snow in the afternoon. Waves
1 to 2 feet building to 1 to 3 feet in the afternoon.
.THURSDAY NIGHT...Southwest wind 20 to 25 knots with gusts to
around 30 knots becoming west 10 to 15 knots with gusts to around
25 knots early in the morning. Snow in the evening, then snow
likely after midnight. Waves 3 to 5 feet.

$$

LSZ150-031700-
Outer Apostle Islands Beyond 5 NM from Mainland-
127 AM CST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...
...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY
EVENING...

.TODAY...Northwest wind 20 to 25 knots. Gusts up to 30 knots
increasing to 35 knots late in the afternoon. Freezing spray
through the day. Chance of flurries early in the morning. Chance
of flurries late in the afternoon. Waves 4 to 7 feet. Waves
occasionally to 9 feet.
.TONIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots early in the morning. Freezing spray in
the evening. Slight chance of snow in the evening, then chance of
flurries after midnight. Waves 4 to 7 feet subsiding to 3 to
5 feet early in the morning. Waves occasionally to 9 feet.
.THURSDAY...West wind 15 to 20 knots with gusts to around
25 knots becoming southwest 20 to 25 knots with gusts to around
30 knots in the afternoon. Slight chance of snow in the
afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet.
.THURSDAY NIGHT...Southwest wind 20 to 25 knots. Gusts up to
35 knots decreasing to 30 knots after midnight. Freezing spray in
the evening. Snow in the evening, then snow likely after
midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. A gale
warning may be needed.

$$

LSZ121-031700-
Chequamegon Bay-Bayfield to Oak Point WI-
127 AM CST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.TODAY...Northwest 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 1 to 2 feet.
.TONIGHT...West wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Chance of flurries in the
evening. Waves 1 to 2 feet.
.THURSDAY...Southwest wind 20 to 25 knots with gusts to around
30 knots. Mostly sunny in the morning then becoming mostly
cloudy. Waves 1 to 3 feet.
.THURSDAY NIGHT...Southwest wind 20 to 25 knots. Gusts up to
35 knots decreasing to 25 knots. Snow likely. Waves 1 to 3 feet.
A gale warning may be needed.

$$

LSZ148-031700-
Oak Point to Saxon Harbor WI-
127 AM CST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.TODAY...Northwest wind 20 to 25 knots. Gusts up to 25 knots
increasing to 30 knots in the late morning and afternoon. Chance
of flurries in the morning. Chance of flurries late in the
afternoon. Waves 3 to 5 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 20 knots. Slight chance of snow in the evening,
then chance of flurries after midnight. Waves 3 to 5 feet.
.THURSDAY...Southwest wind 20 to 25 knots with gusts to around
30 knots. Mostly sunny in the morning then becoming mostly
cloudy. Waves 1 to 3 feet building to 2 to 4 feet late in the
afternoon.
.THURSDAY NIGHT...Southwest wind 20 to 25 knots. Gusts up to
35 knots decreasing to 25 knots. Snow likely. Waves 3 to 5 feet.
A gale warning may be needed.

$$

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

WFO DLH