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FZUS53 KDLH 070543
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1142 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-
1142 PM CST Sat Dec 6 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST SUNDAY...

.REST OF TONIGHT...Northwest wind 15 to 20 knots with gusts to
around 25 knots. 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 early
in the morning. Slight chance of snow 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. 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-
1142 PM CST Sat Dec 6 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST SUNDAY...

.REST OF TONIGHT...North wind 10 to 15 knots with gusts to around
25 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 knots becoming west 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 with gusts to around
20 knots. 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-
1142 PM CST Sat Dec 6 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST SUNDAY...

.REST OF TONIGHT...Northwest wind 5 to 10 knots. Gusts up to
20 knots increasing to 25 knots after midnight. 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 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-
1142 PM CST Sat Dec 6 2025

.REST OF TONIGHT...Northwest wind 5 to 10 knots with gusts to
around 20 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 with gusts to around
20 knots. 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-
1142 PM CST Sat Dec 6 2025

.REST OF TONIGHT...Northwest wind 5 to 10 knots with gusts to
around 20 knots. Partly cloudy. Waves 1 foot or less.
.SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.SUNDAY NIGHT...West 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 with gusts to around
20 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-
1142 PM CST Sat Dec 6 2025

.REST OF TONIGHT...Northwest wind 10 to 15 knots. Gusts up to
20 knots after midnight. Partly cloudy. Waves 1 to 2 feet.
.SUNDAY...Northwest wind 5 to 10 knots becoming west late in the
afternoon. Mostly sunny. Waves 1 foot or less.
.SUNDAY NIGHT...Southwest wind 5 knots rising to 5 to 10 knots
after midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 foot or less.
.MONDAY...Southwest wind 10 to 15 knots with gusts to around
20 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-
1142 PM CST Sat Dec 6 2025

.REST OF TONIGHT...Northwest wind 10 knots rising to 10 to
15 knots after midnight, then easing to 10 knots toward daybreak.
Partly cloudy late in the evening then becoming mostly cloudy.
Waves 1 to 2 feet.
.SUNDAY...Northwest wind 5 to 10 knots becoming west late in the
afternoon. Mostly sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...Southwest wind 5 knots rising to 5 to 10 knots
after midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 foot or less.
.MONDAY...Southwest wind 10 to 15 knots with gusts to around
20 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-
1142 PM CST Sat Dec 6 2025

.REST OF TONIGHT...Northwest wind 10 knots rising to 10 to
15 knots after midnight. Scattered snow showers late in the
evening, then isolated snow showers toward daybreak. Waves 1 to
2 feet.
.SUNDAY...Northwest wind 10 to 15 knots easing to 5 knots late in
the afternoon. Scattered snow showers in the morning. Waves 1 to
2 feet.
.SUNDAY NIGHT...West wind 5 knots becoming southwest after
midnight. Mostly cloudy. Waves 1 foot or less.
.MONDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. 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-
1142 PM CST Sat Dec 6 2025

.REST OF TONIGHT...Northwest wind 10 to 15 knots. Gusts up to
20 knots after midnight. 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
early in the morning. Scattered snow showers in the morning.
Waves 1 to 3 feet.
.SUNDAY NIGHT...West wind 5 to 10 knots becoming southwest 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 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-
1142 PM CST Sat Dec 6 2025

.REST OF TONIGHT...West wind 5 to 10 knots becoming northwest
toward daybreak. Isolated snow showers. 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...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 snow in the afternoon.
Waves 1 to 2 feet.

$$

LSZ148-071100-
Oak Point to Saxon Harbor WI-
1142 PM CST Sat Dec 6 2025

.REST OF TONIGHT...West wind 10 to 15 knots becoming northwest
toward daybreak. 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...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 snow in the afternoon.
Waves 1 to 2 feet.

$$

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

WFO DLH