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FZUS53 KDLH 151414
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
814 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.

LSZ140-152300-
Grand Portage to Grand Marais MN-
814 AM CST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CST THIS EVENING...
...GALE WARNING IN EFFECT FROM 7 PM CST THIS EVENING THROUGH LATE
TONIGHT...

.REST OF TODAY...Northwest wind 15 to 20 knots. Gusts up to
20 knots increasing to 30 knots late in the morning, then
decreasing to 25 knots early in the afternoon increasing to
30 knots late. Chance of sprinkles early in the morning. Waves
1 to 2 feet.
.TONIGHT...Northwest wind 20 to 25 knots. Gusts up to 35 knots
increasing to 40 knots late in the evening, then decreasing to
35 knots after midnight decreasing to 30 knots early in the
morning. Partly cloudy. Waves 1 to 2 feet.
.SUNDAY...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots in the afternoon. Sunny. Waves 1 to
2 feet.
.SUNDAY NIGHT...Northwest 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.

$$

LSZ141-152300-
Grand Marais to Taconite Harbor MN-
814 AM CST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CST THIS EVENING...
...GALE WARNING IN EFFECT FROM 7 PM CST THIS EVENING THROUGH LATE
TONIGHT...

.REST OF TODAY...Northwest wind 10 knots with gusts to around
25 knots becoming west 15 to 20 knots with gusts to around
30 knots in the late morning and afternoon. Partly sunny early in
the morning then clearing. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 20 to 25 knots. Gusts up to 35 knots
increasing to 40 knots late in the evening, then decreasing to
35 knots after midnight decreasing to 30 knots early in the
morning. Mostly clear. Waves 1 to 2 feet.
.SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 30 knots
decreasing to 20 knots in the afternoon. Sunny. Waves 1 to
2 feet.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to
20 knots in the evening. Mostly clear. Waves 1 foot or less.

$$

LSZ142-152300-
Taconite Harbor to Silver Bay Harbor MN-
814 AM CST Sat Nov 15 2025

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

.REST OF TODAY...West wind 15 to 20 knots with gusts to around
30 knots. Mostly sunny. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots
increasing to 35 knots in the late evening and early morning,
then decreasing to 30 knots early in the morning. Mostly clear.
Waves 1 to 2 feet. A gale warning may be needed.
.SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 30 knots
decreasing to 20 knots. 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.

$$

LSZ143-152300-
Silver Bay Harbor to Two Harbors MN-
814 AM CST Sat Nov 15 2025

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

.REST OF TODAY...Northwest wind 10 to 15 knots. Gusts up to
20 knots increasing to 30 knots. Sunny. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 15 to 20 knots with gusts to around
30 knots. 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 late morning and afternoon. Sunny.
Waves 1 foot or less.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to
20 knots in the evening. Mostly clear. Waves 1 foot or less.

$$

LSZ144-152300-
Two Harbors to Duluth MN-
814 AM CST Sat Nov 15 2025

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

.REST OF TODAY...Northwest wind 10 knots with gusts to around
20 knots rising to 15 to 20 knots with gusts to around 25 knots
in the late morning and afternoon. Sunny. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 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 10 to 15 knots with gusts to
around 20 knots easing to 5 knots after midnight. Mostly clear.
Waves 1 foot or less.

$$

LSZ145-152300-
Duluth MN to Port Wing WI-
814 AM CST Sat Nov 15 2025

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

.REST OF TODAY...Northwest wind 15 to 20 knots. Gusts up to
20 knots increasing to 25 knots in the late morning and
afternoon. Partly sunny early in the morning then clearing. Waves
1 to 2 feet building to 1 to 3 feet in the afternoon.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots after midnight. 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 in the evening. Mostly clear. Waves 1 to 2 feet.

$$

LSZ146-152300-
Port Wing to Sand Island WI-
814 AM CST Sat Nov 15 2025

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

.REST OF TODAY...West wind 15 to 20 knots. Gusts up to 20 knots
increasing to 30 knots. Chance of sprinkles early in the morning.
Waves 1 to 3 feet building to 2 to 4 feet in the afternoon.
.TONIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots after midnight. Mostly clear. Waves 3 to
5 feet.
.SUNDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 15 knots with gusts to around 25 knots
late in the afternoon. Sunny. Waves 1 to 3 feet.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to
25 knots. Mostly clear. Waves 1 to 2 feet.

$$

LSZ147-152300-
Sand Island to Bayfield WI-
814 AM CST Sat Nov 15 2025

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

.REST OF TODAY...Northwest wind 15 to 20 knots. Gusts up to
20 knots increasing to 30 knots late in the morning, then
decreasing to 25 knots early in the afternoon increasing to
30 knots late. Slight chance of rain early in the morning, then
chance of sprinkles late in the morning. Waves 1 to 3 feet
building to 2 to 4 feet in the afternoon.
.TONIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots early in the morning. Mostly clear. Waves
3 to 5 feet. Waves occasionally to 7 feet.
.SUNDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in
the afternoon.
.SUNDAY NIGHT...Northwest wind 15 to 20 knots with gusts to
around 25 knots easing to 5 to 10 knots after midnight. Mostly
clear. Waves 1 to 2 feet.

$$

LSZ150-152300-
Outer Apostle Islands Beyond 5 NM from Mainland-
814 AM CST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF TODAY...Northwest wind 20 to 25 knots. Gusts up to
30 knots late in the morning decreasing to 25 knots, then
increasing to 30 knots late. Slight chance of rain early in the
morning, then chance of sprinkles late in the morning. Waves 3 to
5 feet. Waves occasionally to 7 feet.
.TONIGHT...Northwest wind 20 to 25 knots with gusts to around
30 knots. Mostly clear. Waves 4 to 6 feet. Waves occasionally to
8 feet.
.SUNDAY...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 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 15 to 20 knots. Gusts up to
25 knots. Mostly clear. Waves 1 to 3 feet.

$$

LSZ121-152300-
Chequamegon Bay-Bayfield to Oak Point WI-
814 AM CST Sat Nov 15 2025

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

.REST OF TODAY...Northwest wind 10 knots with gusts to around
20 knots rising to 15 to 20 knots with gusts to around 30 knots
in the late morning and afternoon. 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 late morning and afternoon. Sunny.
Waves 1 foot or less.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to
20 knots in the evening. Mostly clear. Waves 1 foot or less.

$$

LSZ148-152300-
Oak Point to Saxon Harbor WI-
814 AM CST Sat Nov 15 2025

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

.REST OF TODAY...Northwest wind 15 to 20 knots. Gusts up to
20 knots increasing to 30 knots late in the morning, then
decreasing to 25 knots in the afternoon. Slight chance of rain
early in the morning, then chance of sprinkles late in the
morning. Waves 1 to 2 feet building to 2 to 4 feet in the
afternoon.
.TONIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots after midnight. Mostly clear. Waves 2 to
4 feet.
.SUNDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots easing to 10 to 15 knots with gusts to around 20 knots
in the afternoon. Sunny. Waves 1 to 3 feet.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots with gusts to
around 20 knots easing to 5 to 10 knots after midnight. Mostly
clear. Waves 1 to 2 feet.

$$

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

WFO DLH