Nearshore Marine Forecast
Issued by NWS Duluth, MN

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
837
FZUS53 KDLH 020305
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
905 PM CST Mon Dec 1 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.

LSZ140-021100-
Grand Portage to Grand Marais MN-
905 PM CST Mon Dec 1 2025

.REST OF TONIGHT...Northwest wind 10 to 15 knots. Gusts up to
20 knots late in the evening. Chance of flurries. Waves 2 to
4 feet subsiding to 1 to 3 feet after midnight.
.TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots
becoming southwest 15 to 20 knots with gusts to around 30 knots
in the afternoon. Chance of flurries in the morning, then chance
of snow in the afternoon. Waves 1 to 2 feet building to 4 to
6 feet in the afternoon. Waves occasionally to 8 feet. A small
craft advisory may be needed.
.TUESDAY NIGHT...West wind 15 to 20 knots with gusts to around
30 knots becoming northwest with gusts to around 25 knots after
midnight. Snow likely. Waves 4 to 6 feet subsiding to 2 to 4 feet
early in the morning. Waves occasionally to 8 feet. A small craft
advisory may be needed.
.WEDNESDAY...Northwest wind 20 to 25 knots with gusts to around
30 knots. Mostly sunny. Waves 1 to 3 feet. A small craft advisory
may be needed.

$$

LSZ141-021100-
Grand Marais to Taconite Harbor MN-
905 PM CST Mon Dec 1 2025

.REST OF TONIGHT...West wind 10 to 15 knots. Chance of flurries.
Waves 1 to 3 feet.
.TUESDAY...West wind 15 to 20 knots with gusts to around
25 knots. Chance of flurries. Waves 1 to 2 feet building to 3 to
5 feet in the afternoon. A small craft advisory may be needed.
.TUESDAY NIGHT...West wind 15 to 20 knots with gusts to around
25 knots becoming northwest 10 to 15 knots with gusts to around
25 knots after midnight. Snow likely. Waves 3 to 5 feet subsiding
to 1 to 2 feet early in the morning. A small craft advisory may
be needed.
.WEDNESDAY...Northwest wind 15 to 20 knots with gusts to around
30 knots. Mostly sunny. Waves 1 to 3 feet.

$$

LSZ142-021100-
Taconite Harbor to Silver Bay Harbor MN-
905 PM CST Mon Dec 1 2025

.REST OF TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
late in the evening. Chance of flurries. Waves 1 to 2 feet.
.TUESDAY...Southwest wind 10 to 15 knots. Gusts up to 25 knots.
Chance of flurries through the day. Waves 1 to 2 feet building to
2 to 4 feet in the afternoon.
.TUESDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 25 knots becoming northwest with gusts to around 25 knots
after midnight. Snow likely. Waves 1 to 3 feet subsiding to 1 to
2 feet after midnight.
.WEDNESDAY...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots late in the afternoon. Mostly sunny. Waves
1 to 2 feet.

$$

LSZ143-021100-
Silver Bay Harbor to Two Harbors MN-
905 PM CST Mon Dec 1 2025

.REST OF TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
late in the evening. Chance of flurries. Waves 1 to 2 feet.
.TUESDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots.
Chance of flurries. Waves 1 to 3 feet building to 2 to 4 feet in
the afternoon.
.TUESDAY NIGHT...Southwest wind 15 to 20 knots with gusts to
around 25 knots becoming northwest 10 to 15 knots with gusts to
around 25 knots early in the morning. Snow likely. Waves 2 to
4 feet subsiding to 1 to 3 feet after midnight.
.WEDNESDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Mostly sunny. Waves 1 to 2 feet.

$$

LSZ144-021100-
Two Harbors to Duluth MN-
905 PM CST Mon Dec 1 2025

.REST OF TONIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots late in the evening. Chance of flurries. Waves 1 to
2 feet.
.TUESDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots.
Chance of flurries through the day. Waves 1 to 3 feet.
.TUESDAY NIGHT...Southwest wind 15 to 20 knots with gusts to
around 25 knots becoming northwest 10 to 15 knots with gusts to
around 25 knots early in the morning. Snow likely through the
night. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight.
.WEDNESDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Mostly sunny. Waves 1 to 3 feet.

$$

LSZ145-021100-
Duluth MN to Port Wing WI-
905 PM CST Mon Dec 1 2025

.REST OF TONIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots late in the evening. Chance of flurries. Waves 1 to
2 feet.
.TUESDAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Chance of flurries
through the day. Waves 1 to 3 feet.
.TUESDAY NIGHT...Southwest wind 15 to 20 knots with gusts to
around 25 knots becoming northwest with gusts to around 25 knots
early in the morning. Snow likely in the evening, then chance of
snow after midnight. Waves 1 to 3 feet.
.WEDNESDAY...Northwest 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. Mostly sunny. Waves 2 to 4 feet.

$$

LSZ146-021100-
Port Wing to Sand Island WI-
905 PM CST Mon Dec 1 2025

.REST OF TONIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots. Chance of flurries. Waves 1 to 3 feet subsiding
to 1 to 2 feet toward daybreak.
.TUESDAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Chance of flurries
through the day. Waves 1 to 2 feet building to 1 to 3 feet in the
afternoon.
.TUESDAY NIGHT...Southwest wind 15 to 20 knots becoming northwest
early in the morning. Gusts up to 25 knots. Snow. Waves 2 to
4 feet.
.WEDNESDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots in the late morning and afternoon. Partly
sunny. Waves 2 to 4 feet. A small craft advisory may be needed.

$$

LSZ147-021100-
Sand Island to Bayfield WI-
905 PM CST Mon Dec 1 2025

.REST OF TONIGHT...Southwest wind 10 to 15 knots. Gusts up to
25 knots. Chance of flurries. Waves 1 to 3 feet subsiding to 1 to
2 feet toward daybreak.
.TUESDAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots late in the afternoon. Chance of flurries
through the day. Waves 1 to 3 feet.
.TUESDAY NIGHT...Southwest wind 15 to 20 knots becoming northwest
after midnight. Gusts up to 25 knots. Snow. Waves 2 to 4 feet.
.WEDNESDAY...Northwest wind 15 to 20 knots with gusts to around
30 knots. Slight chance of snow in the morning. Waves 3 to
5 feet. A small craft advisory may be needed.

$$

LSZ150-021100-
Outer Apostle Islands Beyond 5 NM from Mainland-
905 PM CST Mon Dec 1 2025

.REST OF TONIGHT...Southwest wind 15 to 20 knots. Gusts up to
25 knots decreasing to 20 knots after midnight. Chance of
flurries. Waves 2 to 4 feet subsiding to 1 to 3 feet toward
daybreak.
.TUESDAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Chance of flurries.
Waves 1 to 3 feet building to 2 to 4 feet in the afternoon.
.TUESDAY NIGHT...Southwest wind 15 to 20 knots becoming northwest
early in the morning. Gusts up to 25 knots. Snow likely in the
evening, then snow after midnight. Waves 2 to 4 feet. A small
craft advisory may be needed.
.WEDNESDAY...Northwest wind 20 to 25 knots. Gusts up to 30 knots
increasing to 35 knots in the afternoon. Slight chance of snow in
the morning. Waves 4 to 6 feet. Waves occasionally to 8 feet. A
gale warning may be needed.

$$

LSZ121-021100-
Chequamegon Bay-Bayfield to Oak Point WI-
905 PM CST Mon Dec 1 2025

.REST OF TONIGHT...Southwest wind 10 to 15 knots. Chance of
flurries. Waves 1 foot or less.
.TUESDAY...Southwest wind 10 to 15 knots. Gusts up to 25 knots.
Chance of flurries through the day. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 25 knots becoming northwest with gusts to around 20 knots
early in the morning. Snow likely in the evening, then snow after
midnight. Waves 1 to 2 feet.
.WEDNESDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Slight chance of snow in the morning. Waves 1 to
2 feet.

$$

LSZ148-021100-
Oak Point to Saxon Harbor WI-
905 PM CST Mon Dec 1 2025

.REST OF TONIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots in the late evening and early morning. Chance of
flurries. Waves 1 to 2 feet.
.TUESDAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots late in the afternoon. Chance of flurries
through the day. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southwest wind 15 to 20 knots becoming west
early in the morning. Gusts up to 25 knots. Snow likely in the
evening, then snow after midnight. Waves 1 to 3 feet.
.WEDNESDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots in the late morning and afternoon. Chance
of snow in the morning. Waves 2 to 4 feet. A small craft advisory
may be needed.

$$

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

WFO DLH