Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 092004
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
204 PM CST Sun Nov 9 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.

LSZ140-092300-
Grand Portage to Grand Marais MN-
204 PM CST Sun Nov 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Northeast wind 5 to 10 knots with gusts to
around 20 knots becoming north 15 to 20 knots with gusts to
around 25 knots late. Chance of snow showers. Waves 1 to 2 feet.
.TONIGHT...North wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots after midnight. Chance of snow showers in
the evening. Waves 1 to 3 feet.
.MONDAY...North wind 15 to 20 knots with gusts to around 25 knots
becoming northwest 5 to 10 knots in the afternoon. Mostly sunny.
Waves 1 to 3 feet.
.MONDAY NIGHT...West wind 5 to 10 knots becoming southwest 15 to
20 knots with gusts to around 25 knots after midnight. Slight
chance of snow showers after midnight. Waves 1 to 2 feet building
to 2 to 4 feet early in the morning. A small craft advisory may
be needed.

$$

LSZ141-092300-
Grand Marais to Taconite Harbor MN-
204 PM CST Sun Nov 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...North wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots late. Chance of snow showers. Waves 1 to
2 feet.
.TONIGHT...North wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots after midnight, then decreasing to
25 knots early in the morning. Chance of snow showers in the
evening. Waves 1 to 2 feet.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
25 knots easing to 5 to 10 knots late in the afternoon. Mostly
sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...West wind 5 to 10 knots becoming southwest 15 to
20 knots with gusts to around 25 knots after midnight. Slight
chance of snow showers after midnight. Waves 1 to 2 feet building
to 2 to 4 feet early in the morning.

$$

LSZ142-092300-
Taconite Harbor to Silver Bay Harbor MN-
204 PM CST Sun Nov 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...North wind 15 to 20 knots with gusts to around
25 knots. Chance of snow showers. Waves 1 to 2 feet building to
1 to 3 feet late.
.TONIGHT...North wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots after midnight, then decreasing to
25 knots early in the morning. Chance of snow showers in the
evening, then chance of flurries after midnight. Waves 1 to
3 feet.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots easing to 5 to 10 knots late in the afternoon. Mostly
sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...Southwest wind 15 to 20 knots with gusts to
around 25 knots. Slight chance of snow showers after midnight.
Waves 1 to 3 feet building to 2 to 4 feet early in the morning.

$$

LSZ143-092300-
Silver Bay Harbor to Two Harbors MN-
204 PM CST Sun Nov 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...North wind 10 to 15 knots rising to 20 to
25 knots late. Chance of snow showers. Waves 1 to 2 feet building
to 1 to 3 feet late.
.TONIGHT...North wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots late in the evening, then increasing to
30 knots after midnight decreasing to 20 knots early in the
morning. Chance of snow showers in the evening, then chance of
flurries after midnight. Waves 1 to 3 feet subsiding to 1 to
2 feet in the late evening and overnight.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots late in the afternoon.
Mostly sunny. Waves 1 foot or less.
.MONDAY NIGHT...Southwest wind 15 to 20 knots with gusts to
around 25 knots. Slight chance of snow showers through the night.
Waves 1 to 3 feet building to 2 to 4 feet early in the morning.

$$

LSZ144-092300-
Two Harbors to Duluth MN-
204 PM CST Sun Nov 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...North wind 15 to 20 knots with gusts to around
25 knots. Chance of snow showers. Waves 1 to 2 feet building to
1 to 3 feet late.
.TONIGHT...North wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots late in the evening, then increasing to
25 knots after midnight. Chance of snow showers in the evening.
Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening
and overnight.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots late in the afternoon.
Mostly sunny. Waves 1 foot or less.
.MONDAY NIGHT...Southwest wind 15 to 20 knots with gusts to
around 25 knots. Slight chance of snow showers after midnight.
Waves 1 to 3 feet.

$$

LSZ145-092300-
Duluth MN to Port Wing WI-
204 PM CST Sun Nov 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Northwest wind 10 to 15 knots becoming north
20 to 25 knots late. Chance of snow showers. Waves 3 to 5 feet.
.TONIGHT...North wind 20 to 25 knots becoming northwest 15 to
20 knots with gusts to around 25 knots after midnight. Chance of
snow showers in the evening. Waves 3 to 5 feet subsiding to 1 to
3 feet after midnight. Waves occasionally to 7 feet.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots late in the afternoon.
Mostly sunny. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest wind 15 to 20 knots. Gusts up to
25 knots. Slight chance of snow showers after midnight. Waves
1 to 3 feet.

$$

LSZ146-092300-
Port Wing to Sand Island WI-
204 PM CST Sun Nov 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...North wind 10 to 15 knots with gusts to around
25 knots rising to 20 to 25 knots with gusts to around 30 knots
late. Chance of snow showers. Waves 3 to 5 feet. Waves
occasionally to 7 feet.
.TONIGHT...North wind 20 to 25 knots with gusts to around
30 knots easing to 15 to 20 knots after midnight. Chance of snow
showers through the night. Waves 4 to 6 feet subsiding to 1 to
3 feet early in the morning. Waves occasionally to 7 feet.
.MONDAY...Northwest wind 15 to 20 knots becoming west 5 to
10 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet
subsiding to 1 to 2 feet in the late morning and afternoon.
.MONDAY NIGHT...West wind 10 knots becoming southwest 15 to
20 knots with gusts to around 25 knots in the late evening and
overnight. Slight chance of snow showers after midnight. Waves
1 to 3 feet.

$$

LSZ147-092300-
Sand Island to Bayfield WI-
204 PM CST Sun Nov 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...North wind 10 to 15 knots with gusts to around
25 knots rising to 20 to 25 knots with gusts to around 30 knots
late. Snow showers likely early in the afternoon, then chance of
snow showers late. Waves 3 to 5 feet. Waves occasionally to
7 feet.
.TONIGHT...North wind 20 to 25 knots easing to 15 to 20 knots
after midnight. Chance of snow showers through the night. Waves
3 to 5 feet. Waves occasionally to 7 feet.
.MONDAY...North wind 15 to 20 knots becoming northwest 5 to
10 knots in the afternoon. Mostly sunny. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon.
.MONDAY NIGHT...West wind 10 to 15 knots becoming southwest 15 to
20 knots with gusts to around 25 knots after midnight. Slight
chance of snow showers after midnight. Waves 1 to 2 feet.

$$

LSZ150-092300-
Outer Apostle Islands Beyond 5 NM from Mainland-
204 PM CST Sun Nov 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...North wind 10 to 15 knots rising to 20 to
25 knots late. Snow showers likely early in the afternoon, then
chance of snow showers late. Waves 3 to 5 feet.
.TONIGHT...North wind 20 to 25 knots. Gusts up to 25 knots early
in the morning. Chance of snow showers through the night. Waves
3 to 5 feet. Waves occasionally to 7 feet.
.MONDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots becoming west 10 knots late in the afternoon. Mostly
cloudy in the morning then becoming mostly sunny. Waves 2 to
4 feet subsiding to 1 to 3 feet in the afternoon. A small craft
advisory may be needed.
.MONDAY NIGHT...West wind 10 knots becoming southwest 15 to
20 knots with gusts to around 25 knots in the late evening and
overnight. Slight chance of snow showers after midnight. Waves
1 to 2 feet building to 1 to 3 feet early in the morning.

$$

LSZ121-092300-
Chequamegon Bay-Bayfield to Oak Point WI-
204 PM CST Sun Nov 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Northwest wind 5 to 10 knots becoming north
20 to 25 knots late. Snow showers likely. Waves 1 to 3 feet.
.TONIGHT...North wind 20 to 25 knots with gusts to around
30 knots becoming northwest 15 to 20 knots after midnight. Chance
of snow showers in the evening, then slight chance of snow
showers after midnight. Waves 1 to 3 feet subsiding to 1 to
2 feet in the late evening and overnight.
.MONDAY...North wind 15 to 20 knots becoming northwest 5 to
10 knots in the afternoon. Partly sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to
25 knots after midnight. Mostly cloudy. Waves 1 to 2 feet.

$$

LSZ148-092300-
Oak Point to Saxon Harbor WI-
204 PM CST Sun Nov 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Northwest wind 10 to 15 knots becoming north
20 to 25 knots late. Snow showers likely. Waves 2 to 4 feet.
.TONIGHT...North wind 20 to 25 knots easing to 5 to 15 knots with
gusts to around 20 knots after midnight, then rising to 15 to
20 knots early in the morning. Chance of snow showers. Waves 3 to
5 feet. Waves occasionally to 7 feet.
.MONDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots becoming west 10 knots late in the afternoon. Chance of
snow showers in the morning. Waves 2 to 4 feet subsiding to 1 to
3 feet in the afternoon. A small craft advisory may be needed.
.MONDAY NIGHT...West wind 10 knots becoming southwest 15 to
20 knots with gusts to around 25 knots in the late evening and
overnight. Slight chance of snow showers after midnight. Waves
1 to 2 feet.

$$

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

WFO DLH