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FZUS53 KDLH 090018
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
618 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.

LSZ140-091100-
Grand Portage to Grand Marais MN-
618 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...

.REST OF TONIGHT...Southwest wind 15 to 20 knots with gusts to
around 25 knots becoming northwest 10 to 15 knots toward
daybreak. Snow likely until early morning, then chance of snow
toward daybreak. Waves 4 to 6 feet. Waves occasionally to 7 feet.
.TUESDAY...Northwest wind 10 to 15 knots becoming northeast 5 to
10 knots 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 20 to 25 knots with gusts to
around 30 knots becoming north with gusts to around 30 knots
early in the morning. 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 20 to 25 knots with gusts to around
30 knots becoming northwest 10 to 15 knots with gusts to around
25 knots late in the afternoon. Mostly sunny. Waves 3 to 5 feet
subsiding to 1 to 2 feet in the afternoon. Waves occasionally to
7 feet. A small craft advisory may be needed.

$$

LSZ141-091100-
Grand Marais to Taconite Harbor MN-
618 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...

.REST OF TONIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots becoming northwest 5 to 10 knots toward daybreak.
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 toward daybreak.
.TUESDAY...Northwest wind 5 to 10 knots becoming southeast late
in the afternoon. Slight 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. 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
25 knots becoming northwest with gusts to around 20 knots early
in the afternoon, then rising to 10 to 15 knots with gusts to
around 20 knots late in the afternoon. Slight chance of snow.
Waves 1 to 3 feet.

$$

LSZ142-091100-
Taconite Harbor to Silver Bay Harbor MN-
618 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...

.REST OF TONIGHT...Southwest wind 5 to 10 knots with gusts to
around 20 knots becoming northwest toward daybreak. Snow in the
evening, then snow likely after midnight. Slight chance of snow
toward daybreak. 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 15 to 20 knots with gusts to around
25 knots becoming northeast with gusts to around 30 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 with gusts to around
25 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 subsiding to 1 to 2 feet in the afternoon.

$$

LSZ143-091100-
Silver Bay Harbor to Two Harbors MN-
618 PM CST Mon Dec 8 2025

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

.REST OF TONIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots becoming northwest 5 to 10 knots toward daybreak.
Snow likely in the evening, then chance of snow after midnight.
Slight chance of snow toward daybreak. 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 30 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 with gusts to around
25 knots becoming northwest 5 to 10 knots with gusts to around
20 knots in the afternoon. Chance of snow. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the afternoon.

$$

LSZ144-091100-
Two Harbors to Duluth MN-
618 PM CST Mon Dec 8 2025

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

.REST OF TONIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots becoming west 5 to 10 knots toward daybreak. 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...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 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 15 to 20 knots with gusts to around
25 knots becoming northwest 5 to 10 knots with gusts to around
20 knots in the afternoon. Chance of snow. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the afternoon.

$$

LSZ145-091100-
Duluth MN to Port Wing WI-
618 PM CST Mon Dec 8 2025

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

.REST OF TONIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots becoming west toward daybreak. 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...East wind 15 to 20 knots with gusts to around
25 knots becoming northeast 20 to 25 knots with gusts to around
30 knots after midnight. 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.

$$

LSZ146-091100-
Port Wing to Sand Island WI-
618 PM CST Mon Dec 8 2025

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

.REST OF TONIGHT...Southwest wind 10 to 15 knots becoming west
toward daybreak. Gusts up to 20 knots. 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 20 to 25 knots 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.

$$

LSZ147-091100-
Sand Island to Bayfield WI-
618 PM CST Mon Dec 8 2025

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

.REST OF TONIGHT...Southwest wind 10 to 15 knots becoming west
toward daybreak. Gusts up to 20 knots. 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 to 2 feet.
.TUESDAY NIGHT...East wind 10 to 15 knots with gusts to around
25 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 2 feet building to 4 to 6 feet after
midnight. Waves occasionally to 8 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 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.

$$

LSZ150-091100-
Outer Apostle Islands Beyond 5 NM from Mainland-
618 PM CST Mon Dec 8 2025

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

.REST OF TONIGHT...Southwest wind 15 to 20 knots with gusts to
around 25 knots becoming west toward daybreak. 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 10 to 15 knots with gusts to around
20 knots becoming southwest 5 to 10 knots early in the afternoon,
then 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 11 feet. A small craft advisory may be needed.
.WEDNESDAY...North wind 15 to 20 knots with gusts to around
30 knots becoming northwest 10 to 15 knots with gusts to around
20 knots late 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.

$$

LSZ121-091100-
Chequamegon Bay-Bayfield to Oak Point WI-
618 PM CST Mon Dec 8 2025

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

.REST OF TONIGHT...Southwest wind 5 to 10 knots with gusts to
around 20 knots becoming west toward daybreak. 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 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 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.

$$

LSZ148-091100-
Oak Point to Saxon Harbor WI-
618 PM CST Mon Dec 8 2025

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

.REST OF TONIGHT...Southwest wind 15 to 20 knots with gusts to
around 25 knots becoming west 10 to 15 knots with gusts to around
20 knots toward daybreak. Snow in the evening, then snow likely
after midnight. Waves 1 to 2 feet.
.TUESDAY...West wind 10 to 15 knots becoming southwest 5 to
10 knots early in the afternoon, then 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 20 to 25 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