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FZUS53 KDLH 070433
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1033 PM CST Sat Dec 6 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.

LSZ140-071100-
Grand Portage to Grand Marais MN-
1033 PM CST Sat Dec 6 2025

.REST OF TONIGHT...Northwest wind 10 to 15 knots. Gusts up to
25 knots decreasing to 20 knots after midnight. Mostly clear.
Waves 1 to 2 feet.
.SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots in
the morning. Sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming west after
midnight. Slight chance of snow after midnight. Waves 1 foot or
less.
.MONDAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 30 knots. Slight chance of snow 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 8 feet. A small craft advisory may be needed.

$$

LSZ141-071100-
Grand Marais to Taconite Harbor MN-
1033 PM CST Sat Dec 6 2025

.REST OF TONIGHT...Northwest wind 5 to 10 knots with gusts to
around 20 knots. Mostly clear. Waves 1 foot or less.
.SUNDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots in
the morning. Sunny. Waves 1 foot or less.
.SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming southwest
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
increasing to 25 knots in the afternoon. Slight chance of snow in
the morning, then chance of snow in the afternoon. Waves 1 to
3 feet building to 2 to 4 feet in the afternoon.

$$

LSZ142-071100-
Taconite Harbor to Silver Bay Harbor MN-
1033 PM CST Sat Dec 6 2025

.REST OF TONIGHT...Northwest wind 5 to 10 knots with gusts to
around 20 knots. Mostly clear. Waves 1 foot or less.
.SUNDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots in
the morning. Sunny. Waves 1 foot or less.
.SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming southwest
after midnight. 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. Slight chance of snow in the
morning, then chance of snow in the afternoon. Waves 1 to 2 feet.

$$

LSZ143-071100-
Silver Bay Harbor to Two Harbors MN-
1033 PM CST Sat Dec 6 2025

.REST OF TONIGHT...Northwest wind 5 to 10 knots. Partly cloudy.
Waves 1 foot or less.
.SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming southwest
after midnight. 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
increasing to 25 knots late in the afternoon. Slight chance of
snow in the morning, then chance of snow in the afternoon. Waves
1 to 3 feet.

$$

LSZ144-071100-
Two Harbors to Duluth MN-
1033 PM CST Sat Dec 6 2025

.REST OF TONIGHT...Northwest wind 5 to 10 knots. Partly cloudy.
Waves 1 foot or less.
.SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.SUNDAY NIGHT...Northwest wind 5 knots becoming southwest after
midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 foot or less.
.MONDAY...Southwest wind 10 to 15 knots. Gusts up to 25 knots.
Slight chance of snow in the morning, then chance of snow in the
afternoon. Waves 1 to 3 feet.

$$

LSZ145-071100-
Duluth MN to Port Wing WI-
1033 PM CST Sat Dec 6 2025

.REST OF TONIGHT...Northwest wind 5 to 10 knots. Partly cloudy.
Waves 1 to 2 feet.
.SUNDAY...Northwest wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.
.SUNDAY NIGHT...Northwest wind 5 knots becoming south early in
the morning. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 foot or less.
.MONDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots.
Slight chance of snow in the morning, then chance of snow in the
afternoon. Waves 1 to 3 feet.

$$

LSZ146-071100-
Port Wing to Sand Island WI-
1033 PM CST Sat Dec 6 2025

.REST OF TONIGHT...Northwest wind 5 to 10 knots. Partly cloudy in
the late evening and early morning then becoming mostly cloudy.
Waves 1 to 2 feet.
.SUNDAY...Northwest wind 5 to 10 knots. Mostly sunny. Waves 1 to
2 feet.
.SUNDAY NIGHT...Northwest wind 5 knots becoming southwest in the
late evening and overnight. Partly cloudy in the evening then
becoming mostly cloudy. Waves 1 foot or less.
.MONDAY...Southwest wind 10 to 15 knots. Gusts up to 25 knots.
Slight chance of snow in the morning, then chance of snow in the
afternoon. Waves 1 to 3 feet.

$$

LSZ147-071100-
Sand Island to Bayfield WI-
1033 PM CST Sat Dec 6 2025

.REST OF TONIGHT...Northwest wind 5 to 10 knots. Scattered snow
showers in the late evening and early morning, then isolated snow
showers toward daybreak. Waves 1 to 2 feet.
.SUNDAY...Northwest wind 5 to 10 knots. Scattered snow showers in
the morning. Waves 1 to 2 feet.
.SUNDAY NIGHT...Northwest wind 5 knots becoming southwest early
in the morning. Mostly cloudy. Waves 1 foot or less.
.MONDAY...Southwest wind 10 to 15 knots easing to 10 knots late
in the afternoon. Gusts up to 20 knots in the late morning and
afternoon. Slight chance of snow in the morning, then chance of
snow in the afternoon. Waves 1 to 2 feet.

$$

LSZ150-071100-
Outer Apostle Islands Beyond 5 NM from Mainland-
1033 PM CST Sat Dec 6 2025

.REST OF TONIGHT...Northwest wind 10 to 15 knots with gusts to
around 20 knots. Scattered snow showers late in the evening, then
isolated snow showers after midnight. Waves 1 to 3 feet building
to 2 to 4 feet after midnight.
.SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots in
the morning. Scattered snow showers in the morning. Waves 1 to
3 feet.
.SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming southwest
early in the morning. Slight chance of snow after midnight. Waves
1 foot or less.
.MONDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Slight chance of snow in
the morning, then chance of snow in the afternoon. Waves 1 to
3 feet.

$$

LSZ121-071100-
Chequamegon Bay-Bayfield to Oak Point WI-
1033 PM CST Sat Dec 6 2025

.REST OF TONIGHT...Northwest wind 5 to 10 knots. Scattered snow
showers late in the evening, then isolated snow showers after
midnight. Waves 1 foot or less.
.SUNDAY...Northwest wind 5 to 10 knots. Scattered snow showers in
the morning. Waves 1 foot or less.
.SUNDAY NIGHT...West wind 5 knots becoming southwest in the late
evening and overnight. 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 snow in the afternoon.
Waves 1 to 2 feet.

$$

LSZ148-071100-
Oak Point to Saxon Harbor WI-
1033 PM CST Sat Dec 6 2025

.REST OF TONIGHT...Northwest wind 10 to 15 knots. Isolated snow
showers. Waves 1 to 2 feet.
.SUNDAY...Northwest wind 10 to 15 knots. Scattered snow showers
in the morning. Scattered flurries in the afternoon. Waves 1 to
3 feet.
.SUNDAY NIGHT...West wind 5 to 10 knots becoming southwest in the
late evening and overnight. Partly cloudy in the evening then
becoming mostly cloudy. Waves 1 foot or less.
.MONDAY...Southwest wind 10 to 15 knots. Gusts up to 25 knots.
Chance of snow in the afternoon. Waves 1 to 2 feet.

$$

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

WFO DLH