Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 081103
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
503 AM CST Sat Nov 8 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.

LSZ140-081700-
Grand Portage to Grand Marais MN-
503 AM CST Sat Nov 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE
SUNDAY NIGHT...

.TODAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots late
in the afternoon. Mostly sunny. Waves 1 foot or less.
.TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots early in the morning. Chance of flurries
after midnight. Waves 1 to 2 feet.
.SUNDAY...North wind 15 to 20 knots with gusts to around
25 knots. Chance of snow. Waves 1 to 3 feet.
.SUNDAY NIGHT...North wind 15 to 20 knots with gusts to around
25 knots. Slight chance of snow in the evening. Waves 1 to
3 feet.

$$

LSZ141-081700-
Grand Marais to Taconite Harbor MN-
503 AM CST Sat Nov 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE
SUNDAY NIGHT...

.TODAY...Northwest wind 5 to 10 knots. Sunny in the morning then
becoming partly sunny. Waves 1 foot or less.
.TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots early in the morning. Chance of flurries
after midnight. Waves 1 to 2 feet.
.SUNDAY...North wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots early in the afternoon, then decreasing to
25 knots late in the afternoon. Chance of snow in the morning,
then chance of flurries in the afternoon. Waves 1 to 2 feet.
.SUNDAY NIGHT...North wind 10 to 15 knots with gusts to around
25 knots. Mostly cloudy. Waves 1 to 2 feet.

$$

LSZ142-081700-
Taconite Harbor to Silver Bay Harbor MN-
503 AM CST Sat Nov 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE
SUNDAY NIGHT...

.TODAY...Northwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot
or less.
.TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots
increasing to 25 knots early in the morning. Chance of flurries
after midnight. Waves 1 foot or less.
.SUNDAY...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 snow
in the morning, then slight chance of snow in the afternoon.
Waves 1 to 2 feet.
.SUNDAY NIGHT...North wind 10 to 15 knots with gusts to around
25 knots. Partly cloudy. Waves 1 to 2 feet.

$$

LSZ143-081700-
Silver Bay Harbor to Two Harbors MN-
503 AM CST Sat Nov 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE
SUNDAY NIGHT...

.TODAY...North wind 5 to 10 knots. Gusts up to 20 knots late in
the afternoon. Mostly sunny. Waves 1 foot or less.
.TONIGHT...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming northwest 10 to 15 knots with gusts to around
25 knots early in the morning. Chance of flurries after midnight.
Waves 1 foot or less.
.SUNDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Chance of snow in the morning, then chance of flurries
in the afternoon. Waves 1 to 2 feet.
.SUNDAY NIGHT...North wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Partly cloudy. Waves 1 to
2 feet.

$$

LSZ144-081700-
Two Harbors to Duluth MN-
503 AM CST Sat Nov 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE
SUNDAY NIGHT...

.TODAY...North wind 10 to 15 knots with gusts to around 20 knots.
Mostly sunny. Waves 1 foot or less.
.TONIGHT...North wind 10 to 15 knots with gusts to around
20 knots becoming northwest with gusts to around 25 knots early
in the morning. Partly cloudy. Waves 1 to 2 feet.
.SUNDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Slight chance of snow in the morning. Waves 1 to
2 feet.
.SUNDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to
25 knots decreasing to 20 knots in the late evening and
overnight. Partly cloudy. Waves 1 to 2 feet.

$$

LSZ145-081700-
Duluth MN to Port Wing WI-
503 AM CST Sat Nov 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
SUNDAY NIGHT...

.TODAY...North wind 10 to 15 knots with gusts to around 20 knots.
Partly sunny. Waves 1 to 2 feet.
.TONIGHT...North wind 10 to 15 knots with gusts to around
20 knots becoming northwest with gusts to around 25 knots early
in the morning. Chance of flurries after midnight. Waves 1 to
3 feet.
.SUNDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Chance of flurries through the day. Waves 2 to 4 feet.
.SUNDAY NIGHT...North wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Partly cloudy in the
evening then becoming mostly cloudy. Waves 1 to 3 feet subsiding
to 1 to 2 feet after midnight.

$$

LSZ146-081700-
Port Wing to Sand Island WI-
503 AM CST Sat Nov 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
SUNDAY NIGHT...

.TODAY...North wind 10 to 15 knots with gusts to around 20 knots.
Mostly sunny until late afternoon then becoming mostly cloudy.
Waves 1 to 2 feet.
.TONIGHT...North wind 10 to 15 knots with gusts to around
20 knots becoming northwest with gusts to around 25 knots early
in the morning. Chance of flurries after midnight. Waves 1 to
3 feet.
.SUNDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Chance of snow in the morning, then chance of flurries
in the afternoon. Waves 2 to 4 feet.
.SUNDAY NIGHT...North wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots early in the morning. Slight chance of
snow. Waves 1 to 3 feet.

$$

LSZ147-081700-
Sand Island to Bayfield WI-
503 AM CST Sat Nov 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
SUNDAY NIGHT...

.TODAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots late
in the afternoon. Chance of flurries late in the afternoon. Waves
1 to 2 feet.
.TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots early in the morning. Chance of flurries
through the night. Waves 1 to 3 feet.
.SUNDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Chance of snow. Waves 2 to 4 feet.
.SUNDAY NIGHT...North wind 10 to 15 knots with gusts to around
25 knots. Slight chance of snow. Waves 1 to 3 feet.

$$

LSZ150-081700-
Outer Apostle Islands Beyond 5 NM from Mainland-
503 AM CST Sat Nov 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
SUNDAY NIGHT...

.TODAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots late
in the afternoon. Chance of flurries late in the afternoon. Waves
1 to 2 feet.
.TONIGHT...Northwest wind 15 to 20 knots with gusts to around
25 knots. Chance of flurries through the night. Waves 2 to
4 feet.
.SUNDAY...North wind 15 to 20 knots with gusts to around
25 knots. Chance of snow. Waves 3 to 5 feet.
.SUNDAY NIGHT...North 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 3 to 5 feet.

$$

LSZ121-081700-
Chequamegon Bay-Bayfield to Oak Point WI-
503 AM CST Sat Nov 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
SUNDAY NIGHT...

.TODAY...Northwest wind 5 to 10 knots. Chance of flurries in the
late morning and afternoon. Waves 1 foot or less.
.TONIGHT...Northwest wind 10 to 15 knots with gusts to around
20 knots. Chance of flurries in the evening, then chance of snow
after midnight. Waves 1 foot or less.
.SUNDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Chance of snow. Waves 1 to 2 feet.
.SUNDAY NIGHT...North wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Chance of snow in the
evening, then slight chance of snow after midnight. Waves 1 foot
or less.

$$

LSZ148-081700-
Oak Point to Saxon Harbor WI-
503 AM CST Sat Nov 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
SUNDAY NIGHT...

.TODAY...Northwest wind 5 to 10 knots. Chance of flurries. Waves
1 to 2 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late evening and overnight. Slight
chance of snow in the evening, then chance of snow after
midnight. Waves 2 to 4 feet.
.SUNDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Snow likely in the morning, then chance of snow in the
afternoon. Waves 2 to 4 feet.
.SUNDAY NIGHT...North wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots early in the morning. Chance of snow.
Waves 2 to 4 feet.

$$

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

WFO DLH