Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 111543
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
943 AM CST Tue Nov 11 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.

LSZ140-112300-
Grand Portage to Grand Marais MN-
943 AM CST Tue Nov 11 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT...

.REST OF TODAY...West wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots late. Chance of sprinkles and flurries
late in the morning. Chance of sprinkles late. Waves 4 to 6 feet
subsiding to 2 to 4 feet late. Waves occasionally to 8 feet.
.TONIGHT...West wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots after midnight. Chance of sprinkles
through the night. Waves 1 to 3 feet.
.WEDNESDAY...Northwest wind 15 to 20 knots with gusts to around
30 knots. Partly sunny. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...West wind 10 to 15 knots with gusts to around
25 knots. Partly cloudy. Waves 1 to 2 feet.

$$

LSZ141-112300-
Grand Marais to Taconite Harbor MN-
943 AM CST Tue Nov 11 2025

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

.REST OF TODAY...West wind 10 to 15 knots. Gusts up to 30 knots
decreasing to 20 knots in the afternoon. Chance of flurries late
in the morning. Chance of sprinkles late. Waves 3 to 5 feet
subsiding to 1 to 3 feet late. Waves occasionally to 7 feet.
.TONIGHT...West wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots after midnight. Slight chance of rain in
the evening. Waves 1 to 2 feet.
.WEDNESDAY...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots late in the afternoon. Mostly sunny. Waves
1 to 3 feet.
.WEDNESDAY NIGHT...West wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots in the late evening and overnight. Mostly
clear. Waves 1 to 2 feet.

$$

LSZ142-112300-
Taconite Harbor to Silver Bay Harbor MN-
943 AM CST Tue Nov 11 2025

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

.REST OF TODAY...West wind 10 to 15 knots with gusts to around
20 knots. Chance of flurries late in the morning. Chance of
sprinkles late. Waves 2 to 4 feet subsiding to 1 to 3 feet in the
afternoon.
.TONIGHT...West wind 10 to 15 knots with gusts to around
25 knots. Chance of sprinkles in the evening. Waves 1 to 2 feet.
.WEDNESDAY...Northwest wind 10 to 15 knots with gusts to around
25 knots. Mostly sunny. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...West wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots in the late evening and overnight. Mostly
clear. Waves 1 foot or less.

$$

LSZ143-112300-
Silver Bay Harbor to Two Harbors MN-
943 AM CST Tue Nov 11 2025

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

.REST OF TODAY...Southwest wind 10 to 15 knots becoming west
early in the afternoon, then rising to 10 to 15 knots late. Gusts
up to 20 knots. Chance of sprinkles late. Waves 2 to 4 feet
subsiding to 1 to 2 feet in the afternoon.
.TONIGHT...West wind 15 to 20 knots with gusts to around
25 knots. Chance of sprinkles in the evening. Waves 1 to 2 feet.
.WEDNESDAY...West wind 10 to 15 knots with gusts to around
25 knots. Mostly sunny. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...West wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots in the late evening and overnight. Mostly
clear. Waves 1 to 2 feet.

$$

LSZ144-112300-
Two Harbors to Duluth MN-
943 AM CST Tue Nov 11 2025

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

.REST OF TODAY...West wind 10 to 15 knots with gusts to around
20 knots. Partly sunny. Waves 1 to 3 feet subsiding to 1 to
2 feet in the afternoon.
.TONIGHT...West wind 15 to 20 knots with gusts to around
25 knots. Mostly cloudy in the evening then becoming partly
cloudy. Waves 1 to 2 feet.
.WEDNESDAY...West wind 10 to 15 knots with gusts to around
25 knots. Sunny. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
in the evening. Mostly clear. Waves 1 to 2 feet.

$$

LSZ145-112300-
Duluth MN to Port Wing WI-
943 AM CST Tue Nov 11 2025

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

.REST OF TODAY...West wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots late. Mostly cloudy. Waves 1 to 3 feet.
.TONIGHT...West wind 15 to 20 knots with gusts to around
25 knots. Mostly cloudy. Waves 2 to 4 feet.
.WEDNESDAY...West wind 15 to 20 knots with gusts to around
25 knots. Sunny. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
until early morning. Mostly clear. Waves 1 to 3 feet subsiding to
1 to 2 feet in the late evening and overnight.

$$

LSZ146-112300-
Port Wing to Sand Island WI-
943 AM CST Tue Nov 11 2025

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

.REST OF TODAY...Southwest wind 15 to 20 knots becoming west 5 to
15 knots late. Gusts up to 20 knots increasing to 25 knots in the
afternoon. Mostly cloudy. Waves 2 to 4 feet.
.TONIGHT...West wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots after midnight. Chance of sprinkles in the
evening. Waves 3 to 5 feet.
.WEDNESDAY...West wind 15 to 20 knots with gusts to around
30 knots easing to 5 to 15 knots with gusts to around 30 knots
late in the afternoon. Mostly sunny. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...West wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Mostly clear. Waves 1 to
3 feet.

$$

LSZ147-112300-
Sand Island to Bayfield WI-
943 AM CST Tue Nov 11 2025

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

.REST OF TODAY...West wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Mostly cloudy. Waves
2 to 4 feet.
.TONIGHT...West wind 20 to 25 knots. Gusts up to 25 knots
increasing to 30 knots in the late evening and overnight. Chance
of sprinkles in the evening. Waves 3 to 5 feet. Waves
occasionally to 7 feet.
.WEDNESDAY...West wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots in the late morning and afternoon. Mostly
sunny. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...West wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Mostly clear. Waves 1 to
3 feet.

$$

LSZ150-112300-
Outer Apostle Islands Beyond 5 NM from Mainland-
943 AM CST Tue Nov 11 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT...

.REST OF TODAY...West wind 15 to 20 knots with gusts to around
25 knots. Mostly cloudy. Waves 3 to 5 feet.
.TONIGHT...West wind 20 to 25 knots with gusts to around
30 knots. Chance of sprinkles in the evening. Waves 4 to 6 feet.
Waves occasionally to 8 feet.
.WEDNESDAY...West wind 20 to 25 knots with gusts to around
30 knots. Mostly sunny. Waves 4 to 6 feet. Waves occasionally to
8 feet.
.WEDNESDAY NIGHT...West wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Mostly clear. Waves 2 to
4 feet.

$$

LSZ121-112300-
Chequamegon Bay-Bayfield to Oak Point WI-
943 AM CST Tue Nov 11 2025

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

.REST OF TODAY...Southwest wind 10 to 15 knots with gusts to
around 20 knots becoming west with gusts to around 20 knots late.
Chance of sprinkles late. Waves 1 to 2 feet.
.TONIGHT...West wind 15 to 20 knots with gusts to around
25 knots. Chance of sprinkles in the evening. Waves 1 to 2 feet.
.WEDNESDAY...West wind 10 to 15 knots with gusts to around
25 knots. Sunny. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
until early morning. Mostly clear. Waves 1 foot or less.

$$

LSZ148-112300-
Oak Point to Saxon Harbor WI-
943 AM CST Tue Nov 11 2025

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

.REST OF TODAY...Southwest wind 10 to 15 knots becoming west
late. Gusts up to 20 knots. Chance of sprinkles late. Waves 1 to
2 feet.
.TONIGHT...West wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots early in the morning. Chance of sprinkles
in the evening. Waves 1 to 3 feet building to 2 to 4 feet in the
late evening and overnight.
.WEDNESDAY...West wind 15 to 20 knots with gusts to around
25 knots. Mostly sunny. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
until early morning. Mostly clear. Waves 1 to 3 feet.

$$

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

WFO DLH