838
FZUS53 KDLH 270621
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1221 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-
1221 AM CST Thu Nov 27 2025

...GALE WARNING IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING...

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

$$

LSZ141-271700-
Grand Marais to Taconite Harbor MN-
1221 AM CST Thu Nov 27 2025

...GALE WARNING IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING...

.TODAY...Northwest wind 15 to 20 knots with gusts to around
30 knots. Chance of flurries in the late morning and early
afternoon. Waves 1 to 3 feet.
.TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 30 knots
decreasing to 20 knots. Mostly cloudy in the evening then
becoming partly cloudy. Waves 1 to 2 feet.
.FRIDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots
early in the morning. Mostly 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-
1221 AM CST Thu Nov 27 2025

...GALE WARNING IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING...

.TODAY...Northwest wind 15 to 20 knots with gusts to around
30 knots. Chance of flurries in the late morning and afternoon.
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. Mostly sunny. Waves 1 foot or less.
.FRIDAY NIGHT...Northwest wind 5 knots in the evening becoming
variable 10 knots or less. Mostly cloudy. Waves 1 foot or less.

$$

LSZ143-271700-
Silver Bay Harbor to Two Harbors MN-
1221 AM CST Thu Nov 27 2025

...GALE WARNING IN EFFECT UNTIL 6 AM CST EARLY THIS 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 late morning and afternoon. 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 until early morning
becoming variable 10 knots or less. Slight chance of snow after
midnight. Waves 1 foot or less.

$$

LSZ144-271700-
Two Harbors to Duluth MN-
1221 AM CST Thu Nov 27 2025

...GALE WARNING IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING...

.TODAY...Northwest wind 15 to 20 knots with gusts to around
30 knots easing to 10 to 15 knots with gusts to around 25 knots
in the afternoon. Chance of flurries in the late morning and
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. Partly sunny. Waves 1 foot or
less.
.FRIDAY NIGHT...Northwest wind 5 knots becoming north early in
the morning. Chance of snow after midnight. Waves 1 foot or less.

$$

LSZ145-271700-
Duluth MN to Port Wing WI-
1221 AM CST Thu Nov 27 2025

...GALE WARNING IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING...

.TODAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Chance of flurries in the late morning and 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 foot or less.
.FRIDAY NIGHT...Northwest wind 5 to 10 knots becoming north early
in the morning. Chance of snow after midnight. Waves 1 foot or
less.

$$

LSZ146-271700-
Port Wing to Sand Island WI-
1221 AM CST Thu Nov 27 2025

...GALE WARNING IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING...

.TODAY...Northwest wind 20 to 25 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 through the
day. 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 in the late evening and overnight.
.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. Slight chance of
snow after midnight. Waves 1 foot or less.

$$

LSZ147-271700-
Sand Island to Bayfield WI-
1221 AM CST Thu Nov 27 2025

...GALE WARNING IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING...

.TODAY...Northwest wind 20 to 25 knots easing to 15 to 20 knots
in the late morning and afternoon. Gusts up to 30 knots. Chance
of flurries in the morning, then 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
30 knots easing to 10 to 15 knots with gusts to around 25 knots
after midnight. Slight chance of snow in the evening. Waves 2 to
4 feet subsiding to 1 to 3 feet after midnight. A small craft
advisory may be needed.
.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. Slight chance of
snow after midnight. Waves 1 foot or less.

$$

LSZ150-271700-
Outer Apostle Islands Beyond 5 NM from Mainland-
1221 AM CST Thu Nov 27 2025

...GALE WARNING IN EFFECT UNTIL 6 AM CST EARLY THIS 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 in the morning, then chance of snow in the afternoon.
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. Slight chance of snow.
Waves 4 to 6 feet subsiding to 2 to 4 feet early in the morning.
Waves occasionally to 8 feet. A small craft advisory may be
needed.
.FRIDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots in the afternoon. Slight chance
of snow in the morning. Waves 1 to 3 feet.
.FRIDAY NIGHT...Northwest wind 5 to 10 knots. Slight chance of
snow after midnight. Waves 1 foot or less.

$$

LSZ121-271700-
Chequamegon Bay-Bayfield to Oak Point WI-
1221 AM CST Thu Nov 27 2025

...GALE WARNING IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING...

.TODAY...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots in the afternoon. Slight chance of snow
early in the morning, then chance of flurries late in the
morning. 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. Slight chance of snow 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. Mostly cloudy. Waves
1 foot or less.
.FRIDAY NIGHT...West wind 5 knots. Chance of snow after midnight.
Waves 1 foot or less.

$$

LSZ148-271700-
Oak Point to Saxon Harbor WI-
1221 AM CST Thu Nov 27 2025

...GALE WARNING IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING...

.TODAY...Northwest wind 20 to 25 knots with gusts to around
30 knots. Chance of snow early in the morning, then slight chance
of snow late in the morning. Chance of snow in the afternoon.
Waves 4 to 6 feet. Waves occasionally to 8 feet.
.TONIGHT...Northwest wind 15 to 20 knots with gusts to around
25 knots. 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. A small craft advisory may be needed.
.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. Waves 1 to 2 feet.
.FRIDAY NIGHT...West wind 5 to 10 knots. Chance of snow after
midnight. Waves 1 foot or less.

$$

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

WFO DLH