Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 301802
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1202 PM CST Sun Nov 30 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.

LSZ140-302300-
Grand Portage to Grand Marais MN-
1202 PM CST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

.REST OF TODAY...Northwest wind 15 to 20 knots. Gusts up to
25 knots early in the afternoon. Chance of flurries. Waves 1 to
2 feet.
.TONIGHT...West wind 15 to 20 knots. Chance of flurries in the
evening. Waves 1 to 2 feet.
.MONDAY...West wind 15 to 20 knots with gusts to around 25 knots.
Partly sunny. Waves 4 to 6 feet. Waves occasionally to 7 feet. A
small craft advisory may be needed.
.MONDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots in
the evening. Chance of flurries and slight chance of light
freezing rain in the evening. Waves 3 to 5 feet subsiding to 1 to
3 feet after midnight. A small craft advisory may be needed.

$$

LSZ141-302300-
Grand Marais to Taconite Harbor MN-
1202 PM CST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

.REST OF TODAY...Northwest wind 10 to 15 knots. Gusts up to
25 knots decreasing to 20 knots late. Chance of flurries early in
the afternoon, then slight chance of snow late. Waves 1 to
2 feet.
.TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early
in the evening then 20 knots early in the morning. Chance of
flurries in the evening. Waves 1 to 2 feet.
.MONDAY...West wind 15 to 20 knots. Gusts up to 25 knots early in
the afternoon decreasing to 20 knots. Partly sunny. Waves 1 to
2 feet building to 2 to 4 feet in the late morning and afternoon.
.MONDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots after midnight. Chance of flurries in
the evening. Waves 1 to 3 feet subsiding to 1 to 2 feet in the
late evening and overnight.

$$

LSZ142-302300-
Taconite Harbor to Silver Bay Harbor MN-
1202 PM CST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

.REST OF TODAY...Northwest wind 10 to 15 knots with gusts to
around 20 knots. Slight chance of snow. Waves 1 to 2 feet.
.TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early
in the morning. Chance of flurries in the evening. Waves 1 foot
or less.
.MONDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Partly sunny. Waves 1 to 3 feet.
.MONDAY NIGHT...West wind 5 to 10 knots. Gusts up to 20 knots
early in the evening. Chance of flurries in the evening. Waves
1 to 2 feet.

$$

LSZ143-302300-
Silver Bay Harbor to Two Harbors MN-
1202 PM CST Sun Nov 30 2025

.REST OF TODAY...Northwest wind 10 to 15 knots. Gusts up to
20 knots early in the afternoon. Slight chance of snow. Waves
1 to 2 feet.
.TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early
in the morning. Chance of flurries in the evening. Waves 1 to
2 feet.
.MONDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots in
the afternoon. Chance of flurries in the afternoon. Waves 1 to
3 feet.
.MONDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots early in the morning. Chance of
flurries in the evening. Waves 1 to 3 feet.

$$

LSZ144-302300-
Two Harbors to Duluth MN-
1202 PM CST Sun Nov 30 2025

.REST OF TODAY...Northwest wind 10 to 15 knots. Slight chance of
snow. Waves 1 to 2 feet.
.TONIGHT...West wind 10 to 15 knots. Chance of flurries in the
evening. Waves 1 to 2 feet.
.MONDAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Mostly cloudy. Waves
1 to 3 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots becoming west 5 knots early in the morning.
Chance of flurries in the evening. Waves 1 to 3 feet.

$$

LSZ145-302300-
Duluth MN to Port Wing WI-
1202 PM CST Sun Nov 30 2025

.REST OF TODAY...Northwest wind 10 to 15 knots. Gusts up to
20 knots early in the afternoon. Chance of flurries. Waves 1 to
3 feet.
.TONIGHT...West wind 10 to 15 knots becoming southwest with gusts
to around 20 knots after midnight. Chance of flurries in the
evening. Waves 1 to 3 feet.
.MONDAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and afternoon. Mostly
cloudy. Waves 1 to 3 feet building to 2 to 4 feet in the late
morning and afternoon.
.MONDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots early in the evening. Chance of flurries in the evening.
Waves 1 to 3 feet.

$$

LSZ146-302300-
Port Wing to Sand Island WI-
1202 PM CST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

.REST OF TODAY...Northwest wind 10 to 15 knots with gusts to
around 20 knots. Chance of flurries. Waves 1 to 3 feet.
.TONIGHT...West wind 10 to 15 knots becoming southwest after
midnight. Gusts up to 20 knots. Chance of flurries. Waves 1 to
3 feet.
.MONDAY...Southwest wind 15 to 20 knots with gusts to around
25 knots. Mostly cloudy. Waves 2 to 4 feet. A small craft
advisory may be needed.
.MONDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots in the evening. Slight chance of snow 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.

$$

LSZ147-302300-
Sand Island to Bayfield WI-
1202 PM CST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

.REST OF TODAY...Northwest wind 10 to 15 knots with gusts to
around 20 knots. Chance of flurries. Waves 2 to 4 feet.
.TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots
becoming southwest 15 to 20 knots after midnight. Chance of
flurries in the evening. Slight chance of snow after midnight.
Waves 1 to 3 feet.
.MONDAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and afternoon. Chance
of flurries in the morning. Waves 2 to 4 feet.
.MONDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to
20 knots in the evening. Slight chance of snow in the evening,
then chance of flurries after midnight. Waves 1 to 3 feet.

$$

LSZ150-302300-
Outer Apostle Islands Beyond 5 NM from Mainland-
1202 PM CST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

.REST OF TODAY...Northwest wind 15 to 20 knots. Gusts up to
25 knots early in the afternoon. Slight chance of light freezing
rain early in the afternoon. Chance of flurries through the day.
Waves 3 to 5 feet. Waves occasionally to 7 feet.
.TONIGHT...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 15 to 20 knots with gusts to around
25 knots after midnight. Chance of flurries in the evening.
Slight chance of snow after midnight. Waves 2 to 4 feet subsiding
to 1 to 3 feet after midnight, then building to 2 to 4 feet early
in the morning. A small craft advisory may be needed.
.MONDAY...Southwest 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. Slight chance of snow in the
morning. Waves 2 to 4 feet. A small craft advisory may be needed.
.MONDAY NIGHT...West wind 10 to 15 knots. Gusts up to 25 knots.
Slight chance of snow in the evening. Slight chance of light
freezing rain through the night. Chance of flurries after
midnight. Waves 1 to 3 feet.

$$

LSZ121-302300-
Chequamegon Bay-Bayfield to Oak Point WI-
1202 PM CST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

.REST OF TODAY...Northwest wind 10 to 15 knots with gusts to
around 20 knots. Chance of flurries early in the afternoon, then
slight chance of snow late. Waves 1 foot or less.
.TONIGHT...West wind 5 to 10 knots becoming southwest 10 to
15 knots with gusts to around 20 knots after midnight. Chance of
flurries in the evening. Waves 1 foot or less.
.MONDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Partly sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots early in the evening. Slight chance of snow in the
evening. Waves 1 foot or less.

$$

LSZ148-302300-
Oak Point to Saxon Harbor WI-
1202 PM CST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

.REST OF TODAY...Northwest wind 15 to 20 knots. Chance of
flurries early in the afternoon, then slight chance of snow late.
Waves 3 to 5 feet. Waves occasionally to 7 feet.
.TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots
becoming southwest with gusts to around 20 knots after midnight.
Chance of flurries in the evening. Waves 1 to 3 feet subsiding to
1 to 2 feet in the late evening and overnight.
.MONDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Mostly cloudy. Waves 1 to 2 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots in the evening. Slight chance of snow in the evening,
then chance of flurries after midnight. Waves 1 to 2 feet.

$$

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

WFO DLH