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FZUS53 KDLH 271248
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
648 AM CST Thu Nov 27 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.

LSZ140-271700-
Grand Portage to Grand Marais MN-
648 AM CST Thu Nov 27 2025

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

.TODAY...Northwest wind 20 to 25 knots. Gusts up to 35 knots
decreasing to 30 knots in the afternoon. Chance of flurries in
the morning. Waves 2 to 4 feet.
.TONIGHT...Northwest wind 15 to 20 knots with gusts to around
30 knots. Partly cloudy. Waves 1 to 3 feet.
.FRIDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots late in the afternoon. Sunny.
Waves 1 to 3 feet.
.FRIDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy in
the evening then becoming mostly cloudy. Waves 1 foot or less.

$$

LSZ141-271700-
Grand Marais to Taconite Harbor MN-
648 AM CST Thu Nov 27 2025

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

.TODAY...Northwest wind 15 to 20 knots with gusts to around
30 knots. Chance of flurries early in the morning. Waves 1 to
3 feet.
.TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 30 knots
decreasing to 20 knots. Partly cloudy. Waves 1 to 2 feet.
.FRIDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots
early in the morning. Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...Northwest wind 5 to 10 knots. Mostly cloudy.
Waves 1 foot or less.

$$

LSZ142-271700-
Taconite Harbor to Silver Bay Harbor MN-
648 AM CST Thu Nov 27 2025

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

.TODAY...Northwest wind 15 to 20 knots with gusts to around
30 knots. Partly sunny. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 30 knots
decreasing to 20 knots. Partly cloudy. Waves 1 to 2 feet.
.FRIDAY...West wind 5 to 10 knots. Gusts up to 20 knots early in
the morning. Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...Northwest wind 5 knots in the evening becoming
variable 10 knots or less, then becoming north 5 knots early in
the morning. Mostly cloudy. Waves 1 foot or less.

$$

LSZ143-271700-
Silver Bay Harbor to Two Harbors MN-
648 AM CST Thu Nov 27 2025

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

.TODAY...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots in the afternoon. Partly sunny. Waves 1 to
2 feet.
.TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Mostly cloudy in the
evening then becoming partly cloudy. Waves 1 to 2 feet.
.FRIDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or
less.
.FRIDAY NIGHT...Northwest wind 5 knots becoming north early in
the morning. Mostly cloudy. Waves 1 foot or less.

$$

LSZ144-271700-
Two Harbors to Duluth MN-
648 AM CST Thu Nov 27 2025

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

.TODAY...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots in the late morning and afternoon. Chance
of flurries early in the afternoon. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 25 knots.
Mostly cloudy. Waves 1 to 2 feet.
.FRIDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or
less.
.FRIDAY NIGHT...Northwest wind 5 knots becoming north early in
the morning. Mostly cloudy. Waves 1 foot or less.

$$

LSZ145-271700-
Duluth MN to Port Wing WI-
648 AM CST Thu Nov 27 2025

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

.TODAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Chance of flurries in the afternoon. Waves 2 to 4 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Mostly cloudy. Waves 1 to
3 feet.
.FRIDAY...Northwest wind 10 to 15 knots. Partly sunny. Waves 1 to
2 feet.
.FRIDAY NIGHT...Northwest wind 5 to 10 knots becoming north early
in the morning. Mostly cloudy. Waves 1 foot or less.

$$

LSZ146-271700-
Port Wing to Sand Island WI-
648 AM CST Thu Nov 27 2025

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

.TODAY...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots early in the afternoon, then increasing to
30 knots late in the afternoon. Chance of flurries early in the
morning. Chance of flurries in the afternoon. Waves 3 to 5 feet.
Waves occasionally to 7 feet.
.TONIGHT...Northwest wind 15 to 20 knots with gusts to around
30 knots easing to 10 to 15 knots with gusts to around 25 knots
after midnight. Mostly cloudy. Waves 2 to 4 feet subsiding to
1 to 3 feet early in the morning.
.FRIDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots in the afternoon. Partly
sunny. Waves 1 to 2 feet.
.FRIDAY NIGHT...Northwest wind 5 to 10 knots. Mostly cloudy.
Waves 1 foot or less.

$$

LSZ147-271700-
Sand Island to Bayfield WI-
648 AM CST Thu Nov 27 2025

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

.TODAY...Northwest wind 15 to 20 knots with gusts to around
30 knots. Chance of flurries through the day. Waves 4 to 6 feet.
Waves occasionally to 7 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots after midnight. Chance of flurries in the
evening. Waves 2 to 4 feet.
.FRIDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots in the afternoon. Chance of
flurries in the morning. Waves 1 to 3 feet.
.FRIDAY NIGHT...Northwest wind 5 to 10 knots. Mostly cloudy.
Waves 1 foot or less.

$$

LSZ150-271700-
Outer Apostle Islands Beyond 5 NM from Mainland-
648 AM CST Thu Nov 27 2025

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

.TODAY...Northwest wind 20 to 25 knots. Gusts up to 35 knots
decreasing to 30 knots in the late morning and afternoon. Chance
of flurries through the day. Waves 5 to 8 feet. Waves
occasionally to 10 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots after midnight. Chance of flurries. Waves
4 to 6 feet. Waves occasionally to 8 feet.
.FRIDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots in the afternoon. Chance of
flurries in the morning. Waves 2 to 4 feet subsiding to 1 to
2 feet in the afternoon.
.FRIDAY NIGHT...Northwest wind 5 to 10 knots. Mostly cloudy.
Waves 1 foot or less.

$$

LSZ121-271700-
Chequamegon Bay-Bayfield to Oak Point WI-
648 AM CST Thu Nov 27 2025

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

.TODAY...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots in the afternoon. Chance of flurries in
the morning, then slight chance of snow in the afternoon. Waves
1 to 2 feet.
.TONIGHT...Northwest 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.
.FRIDAY...Northwest wind 10 to 15 knots becoming west 5 to
10 knots in the late morning and afternoon. Chance of flurries in
the morning. Waves 1 foot or less.
.FRIDAY NIGHT...West wind 5 knots. Mostly cloudy. Waves 1 foot or
less.

$$

LSZ148-271700-
Oak Point to Saxon Harbor WI-
648 AM CST Thu Nov 27 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 in the morning, then slight chance
of snow in the afternoon. Waves 4 to 6 feet. Waves occasionally
to 7 feet.
.TONIGHT...Northwest wind 15 to 20 knots with gusts to around
25 knots. Slight chance of snow in the evening, then chance of
flurries after midnight. Waves 3 to 5 feet.
.FRIDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots in the afternoon. Slight
chance of snow in the morning, then chance of flurries in the
afternoon. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late
morning and afternoon.
.FRIDAY NIGHT...West wind 5 to 10 knots. Mostly cloudy. Waves
1 foot or less.

$$

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

WFO DLH