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FZUS53 KDLH 071013
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
413 AM CST Sun Dec 7 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.

LSZ140-071700-
Grand Portage to Grand Marais MN-
413 AM CST Sun Dec 7 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...

.TODAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots in
the morning. Sunny. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 5 to 10 knots becoming west early in
the morning. Chance of flurries after midnight. Waves 1 foot or
less.
.MONDAY...Southwest wind 5 to 10 knots with gusts to around
20 knots rising to 15 to 20 knots with gusts to around 25 knots
in the late morning and 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 late morning and afternoon. Waves
occasionally to 7 feet. A small craft advisory may be needed.
.MONDAY NIGHT...Southwest wind 15 to 20 knots with gusts to
around 25 knots becoming northwest 10 to 15 knots with gusts to
around 20 knots early in the morning. Snow in the evening, then
snow likely after midnight. Waves 4 to 6 feet. Waves occasionally
to 7 feet. A small craft advisory may be needed.

$$

LSZ141-071700-
Grand Marais to Taconite Harbor MN-
413 AM CST Sun Dec 7 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...

.TODAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots in
the morning. Sunny. Waves 1 foot or less.
.TONIGHT...Northwest wind 5 knots becoming west early in the
morning. Chance of flurries after midnight. Waves 1 foot or less.
.MONDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Chance of flurries in the morning, then chance of snow
in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in
the afternoon.
.MONDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots becoming northwest 5 to 10 knots early in the
morning. Snow in the evening, then chance of snow after midnight.
Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning.

$$

LSZ142-071700-
Taconite Harbor to Silver Bay Harbor MN-
413 AM CST Sun Dec 7 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...

.TODAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots in
the morning. Sunny. Waves 1 foot or less.
.TONIGHT...Northwest wind 5 knots becoming southwest after
midnight. Chance of flurries after midnight. Waves 1 foot or
less.
.MONDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Chance of flurries in the
morning, then chance of snow in the afternoon. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots becoming northwest 5 to 10 knots early in the
morning. Snow in the evening, then chance of snow after midnight.
Waves 1 to 3 feet.

$$

LSZ143-071700-
Silver Bay Harbor to Two Harbors MN-
413 AM CST Sun Dec 7 2025

.TODAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.TONIGHT...Northwest wind 5 knots becoming southwest after
midnight. Chance of flurries after midnight. Waves 1 foot or
less.
.MONDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Chance of flurries. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 25 knots becoming west 5 to 10 knots early in the morning.
Snow in the evening, then chance of snow after midnight. Waves
1 to 3 feet.

$$

LSZ144-071700-
Two Harbors to Duluth MN-
413 AM CST Sun Dec 7 2025

.TODAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.TONIGHT...West wind 5 knots becoming southwest after midnight.
Chance of flurries after midnight. Waves 1 foot or less.
.MONDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Chance of flurries. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 25 knots becoming west 5 to 10 knots early in the morning.
Snow in the evening, then chance of snow after midnight. Waves
1 to 3 feet.

$$

LSZ145-071700-
Duluth MN to Port Wing WI-
413 AM CST Sun Dec 7 2025

.TODAY...Northwest wind 5 to 10 knots becoming west late in the
afternoon. Mostly sunny. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 5 knots rising to 5 to 10 knots after
midnight. Chance of flurries after midnight. Waves 1 foot or
less.
.MONDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Chance of flurries. Waves 1 to 2 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 25 knots becoming west with gusts to around 20 knots early
in the morning. Snow in the evening, then chance of snow after
midnight. Waves 1 to 3 feet.

$$

LSZ146-071700-
Port Wing to Sand Island WI-
413 AM CST Sun Dec 7 2025

.TODAY...Northwest wind 5 to 10 knots becoming west late in the
afternoon. Chance of flurries early in the morning. Waves 1 to
2 feet.
.TONIGHT...Southwest wind 5 knots rising to 5 to 10 knots after
midnight. Chance of flurries after midnight. Waves 1 foot or
less.
.MONDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Chance of flurries. Waves 1 to 2 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 25 knots becoming west with gusts to around 20 knots early
in the morning. Snow in the evening, then chance of snow after
midnight. Waves 1 to 3 feet.

$$

LSZ147-071700-
Sand Island to Bayfield WI-
413 AM CST Sun Dec 7 2025

.TODAY...Northwest wind 5 to 10 knots. Chance of snow showers
early in the morning, then chance of flurries late in the
morning. Waves 1 to 2 feet.
.TONIGHT...West wind 5 knots becoming southwest after midnight.
Chance of flurries after midnight. Waves 1 foot or less.
.MONDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Chance of flurries. Waves 1 to 2 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 25 knots becoming west with gusts to around 20 knots early
in the morning. Snow in the evening, then chance of snow after
midnight. Waves 1 to 2 feet.

$$

LSZ150-071700-
Outer Apostle Islands Beyond 5 NM from Mainland-
413 AM CST Sun Dec 7 2025

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

$$

LSZ121-071700-
Chequamegon Bay-Bayfield to Oak Point WI-
413 AM CST Sun Dec 7 2025

.TODAY...Northwest wind 5 to 10 knots. Chance of snow showers
early in the morning, then chance of flurries late in the
morning. Waves 1 foot or less.
.TONIGHT...Southwest wind 5 knots rising to 5 to 10 knots early
in the morning. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 foot or less.
.MONDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Chance of flurries in the
morning, then slight chance of snow in the afternoon. Waves
1 foot or less.
.MONDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 25 knots easing to 5 to 10 knots with gusts to around
20 knots after midnight. Snow in the evening, then chance of snow
after midnight. Waves 1 foot or less.

$$

LSZ148-071700-
Oak Point to Saxon Harbor WI-
413 AM CST Sun Dec 7 2025

.TODAY...Northwest wind 10 to 15 knots. Slight chance of snow
showers early in the morning, then chance of snow showers late in
the morning. Chance of flurries early in the afternoon. Waves
1 to 2 feet.
.TONIGHT...Southwest wind 5 to 10 knots. Partly cloudy in the
evening then becoming mostly cloudy. Waves 1 foot or less.
.MONDAY...Southwest wind 10 knots with gusts to around 20 knots
rising to 10 to 15 knots with gusts to around 25 knots in the
late morning and afternoon. Chance of flurries through the day.
Waves 1 to 2 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 25 knots becoming west with gusts to around 20 knots early
in the morning. Snow in the evening, then chance of snow after
midnight. Waves 1 to 2 feet.

$$

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

WFO DLH