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FZUS53 KDLH 140043
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
642 PM CST Thu Nov 13 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.

LSZ140-141100-
Grand Portage to Grand Marais MN-
642 PM CST Thu Nov 13 2025

.REST OF TONIGHT...Northwest wind 5 to 10 knots becoming east
after midnight. Mostly clear in the evening then becoming mostly
cloudy. Waves 1 to 2 feet.
.FRIDAY...Southeast wind 10 to 15 knots. Gusts up to 20 knots
late in the morning. Mostly sunny. Waves 1 to 2 feet.
.FRIDAY NIGHT...South wind 5 to 10 knots becoming southwest in
the late evening and overnight. Chance of rain after midnight.
Waves 1 to 3 feet.
.SATURDAY...Northwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 30 knots. Chance of rain in the morning. Waves 1 to
3 feet.

$$

LSZ141-141100-
Grand Marais to Taconite Harbor MN-
642 PM CST Thu Nov 13 2025

.REST OF TONIGHT...North wind 5 knots becoming east after
midnight. Partly cloudy. Waves 1 to 2 feet.
.FRIDAY...East wind 5 to 10 knots. Mostly sunny. Waves 1 to
2 feet.
.FRIDAY NIGHT...Northeast wind 5 knots becoming west with gusts
to around 20 knots in the late evening and overnight. Slight
chance of rain after midnight. Waves 1 foot or less.
.SATURDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots early in the afternoon, then decreasing to
25 knots late in the afternoon. Chance of rain in the morning.
Waves 1 to 3 feet.

$$

LSZ142-141100-
Taconite Harbor to Silver Bay Harbor MN-
642 PM CST Thu Nov 13 2025

.REST OF TONIGHT...Northwest wind 5 knots becoming northeast
after midnight. Mostly clear. Waves 1 foot or less.
.FRIDAY...East wind 5 to 10 knots. Mostly sunny. Waves 1 foot or
less.
.FRIDAY NIGHT...Northeast wind 5 knots becoming west with gusts
to around 20 knots in the late evening and overnight. Slight
chance of rain after midnight. Waves 1 foot or less.
.SATURDAY...Northwest wind 10 to 15 knots. Gusts up to 25 knots
increasing to 30 knots in the afternoon. Slight chance of rain in
the morning. Waves 1 to 2 feet.

$$

LSZ143-141100-
Silver Bay Harbor to Two Harbors MN-
642 PM CST Thu Nov 13 2025

.REST OF TONIGHT...West wind 5 knots becoming northeast in the
late evening and overnight. Mostly clear. Waves 1 foot or less.
.FRIDAY...East wind 5 knots. Mostly sunny. Waves 1 foot or less.
.FRIDAY NIGHT...North wind 5 knots becoming west in the late
evening and overnight. Slight chance of rain after midnight.
Waves 1 foot or less.
.SATURDAY...West wind 10 to 15 knots with gusts to around
25 knots. Slight chance of rain in the morning. Waves 1 to
2 feet.

$$

LSZ144-141100-
Two Harbors to Duluth MN-
642 PM CST Thu Nov 13 2025

.REST OF TONIGHT...Southeast wind 5 knots becoming east after
midnight. Mostly clear. Waves 1 foot or less.
.FRIDAY...East wind 5 to 10 knots. Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 to 10 knots becoming west with gusts
to around 20 knots in the late evening and overnight. Mostly
cloudy. Waves 1 to 2 feet.
.SATURDAY...West wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and afternoon. Slight
chance of rain in the morning. Waves 1 to 3 feet.

$$

LSZ145-141100-
Duluth MN to Port Wing WI-
642 PM CST Thu Nov 13 2025

.REST OF TONIGHT...Southeast wind 5 knots. Mostly clear. Waves
1 foot or less.
.FRIDAY...Southeast wind 5 knots becoming east in the afternoon.
Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...Southeast wind 5 to 10 knots becoming southwest
in the late evening and overnight. Mostly cloudy. Waves 1 to
2 feet.
.SATURDAY...West wind 15 to 20 knots. Gusts up to 20 knots
increasing to 30 knots. Slight chance of rain in the morning.
Waves 1 to 2 feet building to 2 to 4 feet in the late morning and
afternoon. A small craft advisory may be needed.

$$

LSZ146-141100-
Port Wing to Sand Island WI-
642 PM CST Thu Nov 13 2025

.REST OF TONIGHT...Southeast wind 5 knots. Mostly clear. Waves
1 foot or less.
.FRIDAY...Southeast wind 5 knots becoming east in the afternoon.
Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...South wind 5 knots becoming southwest in the late
evening and overnight. Mostly cloudy. Waves 1 foot or less.
.SATURDAY...West wind 15 to 20 knots. Gusts up to 20 knots
increasing to 30 knots. Chance of rain in the morning. Waves 1 to
2 feet building to 2 to 4 feet in the late morning and afternoon.
A small craft advisory may be needed.

$$

LSZ147-141100-
Sand Island to Bayfield WI-
642 PM CST Thu Nov 13 2025

.REST OF TONIGHT...South wind 5 knots. Mostly clear. Waves 1 foot
or less.
.FRIDAY...Southeast wind 5 knots. Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...South wind 5 knots becoming west after midnight.
Mostly cloudy. Waves 1 foot or less.
.SATURDAY...West wind 15 to 20 knots. Gusts up to 20 knots
increasing to 30 knots. Chance of rain in the morning. Waves 1 to
3 feet building to 2 to 4 feet in the afternoon.

$$

LSZ150-141100-
Outer Apostle Islands Beyond 5 NM from Mainland-
642 PM CST Thu Nov 13 2025

.REST OF TONIGHT...South wind 5 knots becoming southeast after
midnight. Mostly clear. Waves 1 to 2 feet.
.FRIDAY...Southeast wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.
.FRIDAY NIGHT...South wind 5 to 10 knots becoming west after
midnight. Mostly cloudy. Waves 1 foot or less.
.SATURDAY...West wind 15 to 20 knots. Gusts up to 20 knots
increasing to 30 knots. Chance of rain in the morning. Waves 1 to
2 feet building to 3 to 5 feet in the late morning and afternoon.
A small craft advisory may be needed.

$$

LSZ121-141100-
Chequamegon Bay-Bayfield to Oak Point WI-
642 PM CST Thu Nov 13 2025

.REST OF TONIGHT...West wind 5 knots becoming south in the late
evening and overnight. Mostly clear. Waves 1 foot or less.
.FRIDAY...South wind 5 to 10 knots. Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots becoming west early
in the morning. Mostly cloudy. Waves 1 foot or less.
.SATURDAY...West wind 15 to 20 knots with gusts to around
25 knots. Chance of rain in the morning. Waves 1 to 2 feet.

$$

LSZ148-141100-
Oak Point to Saxon Harbor WI-
642 PM CST Thu Nov 13 2025

.REST OF TONIGHT...South wind 5 knots. Mostly clear. Waves 1 foot
or less.
.FRIDAY...South wind 5 to 10 knots. Gusts up to 20 knots late in
the afternoon. Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots with gusts to around
20 knots becoming west early in the morning. Mostly cloudy. Waves
1 foot or less.
.SATURDAY...West wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and afternoon. Chance
of rain in the morning. Waves 1 to 2 feet building to 1 to 3 feet
in the afternoon.

$$

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

WFO DLH