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FZUS53 KDLH 151138
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
538 AM CST Sat Nov 15 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.

LSZ140-151700-
Grand Portage to Grand Marais MN-
538 AM CST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CST THIS MORNING
THROUGH SUNDAY AFTERNOON...

.TODAY...Northwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and afternoon. Chance
of sprinkles in the morning. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots in the late evening and overnight. Partly
cloudy. Waves 1 to 2 feet.
.SUNDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots with gusts to
around 20 knots. Mostly clear. Waves 1 to 2 feet.

$$

LSZ141-151700-
Grand Marais to Taconite Harbor MN-
538 AM CST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CST THIS MORNING
THROUGH SUNDAY AFTERNOON...

.TODAY...Northwest wind 15 to 20 knots with gusts to around
30 knots. Chance of sprinkles early in the morning. Waves 1 to
2 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots after midnight. Mostly clear. Waves 1 to
2 feet.
.SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots in the afternoon. Sunny. Waves 1 to
2 feet.
.SUNDAY NIGHT...Northwest wind 5 to 10 knots. Gusts up to
20 knots early in the evening. Mostly clear. Waves 1 foot or
less.

$$

LSZ142-151700-
Taconite Harbor to Silver Bay Harbor MN-
538 AM CST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CST THIS MORNING
THROUGH SUNDAY MORNING...

.TODAY...Northwest wind 10 to 15 knots. Gusts up to 25 knots
increasing to 30 knots late in the afternoon. Chance of sprinkles
early in the morning. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 30 knots
decreasing to 25 knots after midnight. Mostly clear. Waves 1 to
2 feet.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
25 knots easing to 5 to 10 knots with gusts to around 20 knots in
the afternoon. Sunny. Waves 1 foot or less.
.SUNDAY NIGHT...Northwest wind 5 to 10 knots. Gusts up to
20 knots in the evening. Mostly clear. Waves 1 foot or less.

$$

LSZ143-151700-
Silver Bay Harbor to Two Harbors MN-
538 AM CST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CST THIS MORNING
THROUGH SUNDAY MORNING...

.TODAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Chance of sprinkles
early in the morning. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 10 to 15 knots with gusts to around
25 knots. Mostly clear. Waves 1 to 2 feet.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
25 knots easing to 5 to 10 knots with gusts to around 20 knots in
the afternoon. Sunny. Waves 1 foot or less.
.SUNDAY NIGHT...Northwest wind 5 to 10 knots. Gusts up to
20 knots early in the evening. Mostly clear. Waves 1 foot or
less.

$$

LSZ144-151700-
Two Harbors to Duluth MN-
538 AM CST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CST THIS MORNING
THROUGH SUNDAY MORNING...

.TODAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Chance of sprinkles 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 early in the morning. Clear. Waves 1 to
2 feet.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.

$$

LSZ145-151700-
Duluth MN to Port Wing WI-
538 AM CST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CST THIS MORNING
THROUGH SUNDAY MORNING...

.TODAY...Northwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Chance of sprinkles
early in the morning. Waves 1 to 2 feet building to 1 to 3 feet
in the afternoon.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots in
the evening. Mostly clear. Waves 2 to 4 feet.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Sunny. Waves 1 to 3 feet.
.SUNDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves
1 to 2 feet.

$$

LSZ146-151700-
Port Wing to Sand Island WI-
538 AM CST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CST THIS MORNING
THROUGH SUNDAY MORNING...

.TODAY...West wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Chance of sprinkles in
the morning. Waves 1 to 3 feet building to 2 to 4 feet in the
afternoon.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots
until early morning. Mostly clear. Waves 3 to 5 feet.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Sunny. Waves 1 to 3 feet.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to
20 knots in the evening. Mostly clear. Waves 1 to 2 feet.

$$

LSZ147-151700-
Sand Island to Bayfield WI-
538 AM CST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CST THIS MORNING
THROUGH SUNDAY MORNING...

.TODAY...Northwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 30 knots. Chance of sprinkles in the morning. Waves
1 to 3 feet building to 2 to 4 feet in the afternoon.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots in the late evening and overnight. Mostly
clear. Waves 3 to 5 feet. Waves occasionally to 7 feet.
.SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots in the late morning and afternoon. Sunny.
Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to
20 knots in the evening. Mostly clear. Waves 1 to 2 feet.

$$

LSZ150-151700-
Outer Apostle Islands Beyond 5 NM from Mainland-
538 AM CST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CST THIS MORNING
THROUGH SUNDAY AFTERNOON...

.TODAY...Northwest wind 20 to 25 knots. Gusts up to 30 knots.
Chance of sprinkles in the morning. Waves 3 to 5 feet. Waves
occasionally to 7 feet.
.TONIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots after midnight. Mostly clear. Waves 4 to
6 feet. Waves occasionally to 8 feet.
.SUNDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots in the afternoon. Sunny. Waves 3 to 5 feet
subsiding to 1 to 3 feet late in the afternoon. Waves
occasionally to 7 feet.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to
20 knots until early morning. Mostly clear. Waves 1 to 3 feet.

$$

LSZ121-151700-
Chequamegon Bay-Bayfield to Oak Point WI-
538 AM CST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CST THIS MORNING
THROUGH SUNDAY MORNING...

.TODAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Chance of sprinkles 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. Mostly clear. Waves 1 to
2 feet.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Sunny. Waves 1 foot or less.
.SUNDAY NIGHT...Northwest wind 5 to 10 knots. Gusts up to
20 knots early in the evening. Mostly clear. Waves 1 foot or
less.

$$

LSZ148-151700-
Oak Point to Saxon Harbor WI-
538 AM CST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CST THIS MORNING
THROUGH SUNDAY MORNING...

.TODAY...Northwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Chance of sprinkles in
the morning. Waves 1 to 2 feet building to 2 to 4 feet in the
afternoon.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots
until early morning. Mostly clear. Waves 2 to 4 feet.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Sunny. Waves 1 to 3 feet.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to
20 knots early in the evening. Mostly clear. Waves 1 to 2 feet.

$$

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

WFO DLH