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FZUS53 KDLH 082313
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
513 PM CST Mon Dec 8 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.

LSZ140-090500-
Grand Portage to Grand Marais MN-
513 PM CST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM CST TUESDAY...
...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY
MORNING...

.TONIGHT...Southwest wind 15 to 20 knots with gusts to around
25 knots becoming northwest 5 to 10 knots late in the night. Snow
likely until early morning, then chance of snow late in the
night. Waves 4 to 6 feet. Waves occasionally to 7 feet.
.TUESDAY...Northwest wind 5 to 10 knots becoming west early in
the afternoon, then becoming southeast late in the afternoon.
Slight chance of snow in the afternoon. Waves 1 to 3 feet
subsiding to 1 to 2 feet in the late morning and afternoon.
.TUESDAY NIGHT...Northeast wind 15 to 20 knots with gusts to
around 25 knots becoming north 20 to 25 knots with gusts to
around 30 knots after midnight. Chance of snow in the evening,
then slight chance of snow after midnight. Waves 1 to 2 feet
building to 4 to 6 feet in the late evening and overnight. Waves
occasionally to 7 feet. A small craft advisory may be needed.
.WEDNESDAY...North wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots in the late morning and afternoon. Mostly
sunny. Waves 3 to 5 feet subsiding to 1 to 2 feet in the
afternoon. A small craft advisory may be needed.

$$

LSZ141-090500-
Grand Marais to Taconite Harbor MN-
513 PM CST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM CST TUESDAY...
...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY
MORNING...

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 to 10 knots late in the night. Snow
likely early in the evening, then snow late in the evening.
Chance of snow after midnight. Waves 2 to 4 feet subsiding to
1 to 3 feet late in the night.
.TUESDAY...Northwest wind 5 to 10 knots becoming southwest early
in the afternoon, then becoming southeast late in the afternoon.
Slight chance of snow in the afternoon. Waves 1 to 2 feet.
.TUESDAY NIGHT...Northeast wind 10 to 15 knots with gusts to
around 25 knots becoming north 15 to 20 knots with gusts to
around 30 knots after midnight. Chance of snow. Waves 1 to 2 feet
building to 1 to 3 feet after midnight.
.WEDNESDAY...North wind 10 to 15 knots with gusts to around
30 knots becoming northwest 5 to 10 knots with gusts to around
20 knots in the afternoon. Slight chance of snow. Waves 1 to
3 feet.

$$

LSZ142-090500-
Taconite Harbor to Silver Bay Harbor MN-
513 PM CST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM CST TUESDAY...
...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY
MORNING...

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 to 10 knots late in the night. Snow
in the evening, then snow likely after midnight. Slight chance of
snow late in the night. Waves 1 to 3 feet subsiding to 1 to
2 feet after midnight.
.TUESDAY...Northwest wind 5 to 10 knots becoming southwest early
in the afternoon, then becoming southeast late in the afternoon.
Chance of snow in the afternoon. Waves 1 foot or less.
.TUESDAY NIGHT...East wind 10 to 15 knots with gusts to around
25 knots becoming north with gusts to around 25 knots after
midnight. Snow likely in the evening, then chance of snow after
midnight. Waves 1 to 2 feet building to 2 to 4 feet after
midnight.
.WEDNESDAY...North wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots in the afternoon. Slight chance of snow.
Waves 1 to 3 feet.

$$

LSZ143-090500-
Silver Bay Harbor to Two Harbors MN-
513 PM CST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM CST TUESDAY...

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 to 10 knots late in the night. Snow
likely in the evening, then chance of snow after midnight. Slight
chance of snow late in the night. Waves 1 to 3 feet.
.TUESDAY...Northwest wind 5 to 10 knots becoming southeast late
in the afternoon. Chance of snow in the afternoon. Waves 1 foot
or less.
.TUESDAY NIGHT...East wind 15 to 20 knots with gusts to around
25 knots becoming northeast with gusts to around 25 knots after
midnight. Snow in the evening, then chance of snow after
midnight. Waves 1 foot or less building to 2 to 4 feet in the
late evening and overnight.
.WEDNESDAY...North wind 10 to 15 knots. Gusts up to 25 knots.
Chance of snow. Waves 2 to 4 feet subsiding to 1 to 3 feet in the
afternoon.

$$

LSZ144-090500-
Two Harbors to Duluth MN-
513 PM CST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM CST TUESDAY...

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots late in the night. Snow
likely early in the evening, then snow late in the evening.
Chance of snow after midnight. Waves 1 to 3 feet.
.TUESDAY...West wind 5 to 10 knots becoming southeast late in the
afternoon. Chance of snow in the afternoon. Waves 1 foot or less.
.TUESDAY NIGHT...Northeast wind 15 to 20 knots with gusts to
around 25 knots becoming north with gusts to around 25 knots
early in the morning. Snow in the evening, then chance of snow
after midnight. Waves 1 to 2 feet building to 3 to 5 feet in the
late evening and overnight. A small craft advisory may be needed.
.WEDNESDAY...North wind 10 to 15 knots with gusts to around
25 knots becoming northwest 5 to 10 knots in the afternoon.
Chance of snow. Waves 2 to 4 feet subsiding to 1 to 3 feet in the
afternoon.

$$

LSZ145-090500-
Duluth MN to Port Wing WI-
513 PM CST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM CST TUESDAY...

.TONIGHT...South wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots late in the night. Snow in
the evening, then chance of snow after midnight. Waves 1 to
2 feet.
.TUESDAY...West wind 5 to 10 knots becoming southeast late in the
afternoon. Chance of snow in the afternoon. Waves 1 to 2 feet.
.TUESDAY NIGHT...Northeast wind 15 to 20 knots with gusts to
around 30 knots becoming north with gusts to around 30 knots
early in the morning. Snow in the evening, then snow likely after
midnight. Waves 1 to 2 feet building to 3 to 5 feet in the late
evening and overnight. Waves occasionally to 7 feet. A small
craft advisory may be needed.
.WEDNESDAY...North wind 15 to 20 knots with gusts to around
25 knots becoming northwest 10 to 15 knots in the afternoon.
Chance of snow. Waves 3 to 5 feet subsiding to 1 to 2 feet late
in the afternoon. A small craft advisory may be needed.

$$

LSZ146-090500-
Port Wing to Sand Island WI-
513 PM CST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM CST TUESDAY...

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots late in the night. Snow in
the evening, then chance of snow after midnight. Waves 1 to
2 feet building to 1 to 3 feet after midnight.
.TUESDAY...West wind 5 to 10 knots becoming southeast late in the
afternoon. Chance of snow in the afternoon. Waves 1 to 2 feet.
.TUESDAY NIGHT...East wind 15 to 20 knots with gusts to around
25 knots becoming northeast with gusts to around 30 knots after
midnight. Snow in the evening, then snow likely after midnight.
Waves 1 foot or less building to 4 to 6 feet in the late evening
and overnight. Waves occasionally to 7 feet. A small craft
advisory may be needed.
.WEDNESDAY...North wind 15 to 20 knots with gusts to around
25 knots becoming northwest 5 to 10 knots in the afternoon.
Chance of snow. Waves 3 to 5 feet subsiding to 1 to 3 feet late
in the afternoon. Waves occasionally to 7 feet. A small craft
advisory may be needed.

$$

LSZ147-090500-
Sand Island to Bayfield WI-
513 PM CST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM CST TUESDAY...

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots late in the night. Snow
likely early in the evening, then snow late in the evening.
Chance of snow after midnight. Waves 1 to 3 feet.
.TUESDAY...Northwest wind 5 to 10 knots becoming south late in
the afternoon. Chance of snow in the afternoon. Waves 1 to
2 feet.
.TUESDAY NIGHT...East wind 5 to 10 knots with gusts to around
20 knots becoming northeast 15 to 20 knots with gusts to around
30 knots in the late evening and overnight. Snow in the evening,
then snow likely after midnight. Waves 1 to 2 feet building to
4 to 6 feet after midnight. Waves occasionally to 7 feet. A small
craft advisory may be needed.
.WEDNESDAY...North wind 15 to 20 knots with gusts to around
30 knots becoming northwest 10 knots with gusts to around
20 knots late in the afternoon. Chance of snow. Waves 4 to 6 feet
subsiding to 1 to 3 feet late in the afternoon. Waves
occasionally to 7 feet. A small craft advisory may be needed.

$$

LSZ150-090500-
Outer Apostle Islands Beyond 5 NM from Mainland-
513 PM CST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM CST TUESDAY...

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
25 knots becoming west with gusts to around 20 knots late in the
night. Snow likely early in the evening, then snow late in the
evening. Chance of snow after midnight. Waves 2 to 4 feet.
.TUESDAY...Northwest wind 5 to 10 knots becoming south late in
the afternoon. Chance of snow in the afternoon. Waves 1 to
3 feet.
.TUESDAY NIGHT...East wind 5 to 10 knots with gusts to around
20 knots becoming northeast 20 to 25 knots with gusts to around
30 knots in the late evening and overnight. Snow in the evening,
then snow likely after midnight. Freezing spray after midnight.
Waves 1 foot or less building to 5 to 8 feet. Waves occasionally
to 10 feet. A small craft advisory may be needed.
.WEDNESDAY...North wind 20 to 25 knots with gusts to around
30 knots becoming northwest 10 to 15 knots with gusts to around
20 knots in the afternoon. Freezing spray in the morning. Chance
of snow in the morning, then slight chance of snow in the
afternoon. Waves 5 to 8 feet subsiding to 4 to 6 feet in the
afternoon. Waves occasionally to 11 feet. A small craft advisory
may be needed.

$$

LSZ121-090500-
Chequamegon Bay-Bayfield to Oak Point WI-
513 PM CST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM CST TUESDAY...

.TONIGHT...Southwest wind 5 to 10 knots with gusts to around
20 knots becoming west late in the night. Snow in the evening,
then snow likely after midnight. Waves 1 foot or less.
.TUESDAY...West wind 5 to 10 knots becoming southeast late in the
afternoon. Chance of snow in the afternoon. Waves 1 foot or less.
.TUESDAY NIGHT...East wind 15 to 20 knots with gusts to around
25 knots becoming northeast with gusts to around 30 knots early
in the morning. Snow in the evening, then snow likely after
midnight. Waves 1 to 2 feet.
.WEDNESDAY...North wind 15 to 20 knots with gusts to around
30 knots becoming northwest 5 to 10 knots in the afternoon.
Chance of snow. Waves 1 to 2 feet.

$$

LSZ148-090500-
Oak Point to Saxon Harbor WI-
513 PM CST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM CST TUESDAY...

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
25 knots becoming west 5 to 10 knots late in the night. Snow in
the evening, then snow likely after midnight. Waves 1 to 2 feet.
.TUESDAY...West wind 5 to 10 knots becoming south late in the
afternoon. Chance of snow in the afternoon. Waves 1 foot or less.
.TUESDAY NIGHT...East wind 10 to 15 knots with gusts to around
20 knots becoming northeast 15 to 20 knots with gusts to around
30 knots after midnight. Snow in the evening, then snow likely
after midnight. Waves 1 to 3 feet building to 4 to 7 feet. Waves
occasionally to 9 feet. A small craft advisory may be needed.
.WEDNESDAY...North wind 20 to 25 knots with gusts to around
30 knots becoming northwest 10 to 15 knots with gusts to around
20 knots in the afternoon. Chance of snow. Waves 5 to 8 feet
subsiding to 3 to 5 feet late in the afternoon. Waves
occasionally to 10 feet. A small craft advisory may be needed.

$$

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

WFO DLH