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FZUS53 KDLH 111457
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
957 AM CDT Sat Oct 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.

LSZ140-112215-
Grand Portage to Grand Marais MN-
957 AM CDT Sat Oct 11 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY AFTERNOON...

.REST OF TODAY...East wind 5 to 10 knots becoming southeast in
the afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...Southeast wind 10 to 15 knots with gusts to around
25 knots becoming south 15 to 20 knots with gusts to around
25 knots after midnight. Partly cloudy. Waves 1 to 2 feet
building to 4 to 6 feet in the late evening and overnight. Waves
occasionally to 7 feet.
.SUNDAY...Southeast wind 15 to 20 knots with gusts to around
25 knots. Mostly cloudy. Waves 3 to 5 feet. Waves occasionally to
7 feet.
.SUNDAY NIGHT...South wind 15 to 20 knots with gales to around
35 knots. Rain showers through the night. Waves 4 to 7 feet.
Waves occasionally to 9 feet. A gale warning may be needed.

$$

LSZ141-112215-
Grand Marais to Taconite Harbor MN-
957 AM CDT Sat Oct 11 2025

.REST OF TODAY...East wind 5 to 10 knots becoming southeast in
the afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots becoming southeast 10 to
15 knots after midnight. Gusts up to 20 knots. Mostly clear in
the evening then becoming mostly cloudy. Waves 1 to 2 feet
building to 1 to 3 feet after midnight.
.SUNDAY...Southeast wind 10 to 15 knots. Gusts up to 20 knots.
Slight chance of rain showers in the afternoon. Waves 1 to
3 feet.
.SUNDAY NIGHT...Southeast wind 10 to 15 knots becoming south
after midnight. Gusts up to 25 knots. Rain showers. Waves 2 to
4 feet. A small craft advisory may be needed.

$$

LSZ142-112215-
Taconite Harbor to Silver Bay Harbor MN-
957 AM CDT Sat Oct 11 2025

.REST OF TODAY...East wind 5 knots becoming southeast in the
afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots becoming southeast with gusts
to around 20 knots after midnight. Mostly clear in the evening
then becoming mostly cloudy. Waves 1 to 2 feet.
.SUNDAY...Southeast wind 10 to 15 knots with gusts to around
20 knots. Slight chance of rain showers in the afternoon. Waves
1 to 2 feet.
.SUNDAY NIGHT...Southeast wind 5 to 10 knots with gusts to around
25 knots becoming southwest with gusts to around 20 knots early
in the morning. Rain showers. Waves 1 to 2 feet.

$$

LSZ143-112215-
Silver Bay Harbor to Two Harbors MN-
957 AM CDT Sat Oct 11 2025

.REST OF TODAY...East wind 10 to 15 knots. Sunny. Waves 1 foot or
less.
.TONIGHT...East wind 10 to 15 knots with gusts to around 20 knots
becoming southeast 5 to 10 knots after midnight. Mostly clear in
the evening then becoming mostly cloudy. Waves 1 foot or less.
.SUNDAY...Southeast wind 10 to 15 knots. Slight chance of rain
showers in the afternoon. Waves 1 to 2 feet.
.SUNDAY NIGHT...Southeast wind 10 to 15 knots with gusts to
around 25 knots becoming southwest with gusts to around 20 knots
early in the morning. Rain showers. Waves 1 to 3 feet.

$$

LSZ144-112215-
Two Harbors to Duluth MN-
957 AM CDT Sat Oct 11 2025

.REST OF TODAY...East wind 10 to 15 knots. Sunny. Waves 1 foot or
less.
.TONIGHT...East wind 10 to 15 knots with gusts to around 20 knots
becoming southeast with gusts to around 20 knots after midnight.
Mostly clear in the evening then becoming mostly cloudy. Waves
1 to 2 feet.
.SUNDAY...Southeast wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots late in the afternoon. Chance of rain
showers in the afternoon. Waves 1 to 3 feet.
.SUNDAY NIGHT...Southeast wind 15 to 20 knots with gusts to
around 30 knots becoming southwest 10 to 15 knots with gusts to
around 25 knots early in the morning. Rain showers. Waves 1 to
3 feet building to 2 to 4 feet in the late evening and overnight.

$$

LSZ145-112215-
Duluth MN to Port Wing WI-
957 AM CDT Sat Oct 11 2025

.REST OF TODAY...Southeast wind 5 knots becoming east 10 to
15 knots in the afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots becoming southeast 10 to
15 knots with gusts to around 20 knots after midnight. Mostly
clear in the evening then becoming mostly cloudy. Waves 1 to
2 feet.
.SUNDAY...Southeast wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots late in the morning, then increasing to
25 knots in the afternoon. Chance of rain showers in the
afternoon. Waves 1 to 2 feet.
.SUNDAY NIGHT...South wind 15 to 20 knots with gusts to around
25 knots becoming southwest 10 to 15 knots with gusts to around
20 knots early in the morning. Rain showers. Waves 1 to 2 feet
building to 1 to 3 feet in the late evening and overnight.

$$

LSZ146-112215-
Port Wing to Sand Island WI-
957 AM CDT Sat Oct 11 2025

.REST OF TODAY...East wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.TONIGHT...Southeast wind 5 to 10 knots becoming south with gusts
to around 20 knots after midnight. Mostly clear in the evening
then becoming mostly cloudy. Waves 1 foot or less.
.SUNDAY...Southeast wind 10 knots rising to 10 to 15 knots in the
late morning and afternoon. Gusts up to 20 knots. Mostly cloudy.
Waves 1 foot or less.
.SUNDAY NIGHT...South wind 10 to 15 knots with gusts to around
25 knots becoming southwest with gusts to around 20 knots early
in the morning. Rain showers. Waves 1 to 3 feet.

$$

LSZ147-112215-
Sand Island to Bayfield WI-
957 AM CDT Sat Oct 11 2025

.REST OF TODAY...Southeast wind 5 to 10 knots becoming east late.
Sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots becoming southeast 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. Partly cloudy. Waves 1 foot or less.
.SUNDAY...Southeast wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots late in the afternoon. Mostly cloudy.
Waves 1 foot or less.
.SUNDAY NIGHT...South wind 10 to 15 knots with gusts to around
30 knots becoming southwest with gusts to around 20 knots early
in the morning. Rain showers. Waves 1 to 2 feet.

$$

LSZ150-112215-
Outer Apostle Islands Beyond 5 NM from Mainland-
957 AM CDT Sat Oct 11 2025

.REST OF TODAY...Southeast wind 5 to 10 knots becoming east late.
Sunny. Waves 1 foot or less.
.TONIGHT...East wind 10 to 15 knots becoming southeast in the
late evening and overnight. Gusts up to 20 knots. Partly cloudy.
Waves 1 to 2 feet.
.SUNDAY...Southeast wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots late in the afternoon. Mostly cloudy.
Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon.
.SUNDAY NIGHT...South wind 15 to 20 knots with gusts to around
30 knots becoming southwest 10 to 15 knots with gusts to around
25 knots early in the morning. Rain showers through the night.
Waves 3 to 5 feet. A small craft advisory may be needed.

$$

LSZ121-112215-
Chequamegon Bay-Bayfield to Oak Point WI-
957 AM CDT Sat Oct 11 2025

.REST OF TODAY...South wind 5 knots becoming east in the
afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots becoming south with gusts to
around 20 knots in the late evening and overnight. Partly cloudy.
Waves 1 foot or less.
.SUNDAY...South wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and afternoon. Partly
sunny. Waves 1 foot or less.
.SUNDAY NIGHT...South wind 10 to 15 knots with gusts to around
30 knots becoming southwest with gusts to around 20 knots early
in the morning. Rain showers through the night. Waves 1 to
2 feet.

$$

LSZ148-112215-
Oak Point to Saxon Harbor WI-
957 AM CDT Sat Oct 11 2025

.REST OF TODAY...South wind 5 knots becoming east in the
afternoon. Sunny. Waves 1 to 2 feet.
.TONIGHT...East wind 5 to 10 knots becoming south 10 to 15 knots
with gusts to around 20 knots in the late evening and overnight.
Mostly clear. Waves 1 to 2 feet.
.SUNDAY...South wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and afternoon. Partly
sunny. Waves 1 to 3 feet.
.SUNDAY NIGHT...South wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots late in the evening, then decreasing to
25 knots after midnight. Rain showers through the night. Waves
1 to 3 feet subsiding to 1 to 2 feet early in the morning.

$$

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

Unruh