803
FZUS53 KDLH 240913
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
313 AM CST Mon Nov 24 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.

LSZ140-241700-
Grand Portage to Grand Marais MN-
313 AM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.TODAY...West wind 10 to 15 knots with gusts to around 20 knots
becoming northwest 5 knots late in the afternoon. Sunny. Waves
2 to 4 feet subsiding to 1 to 2 feet in the afternoon.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots
early in the morning. Mostly cloudy. Waves 1 to 2 feet.
.TUESDAY...Northeast wind 20 to 25 knots with gusts to around
30 knots. Chance of rain and snow in the morning, then rain and
snow likely in the afternoon. Waves 1 to 2 feet building to 2 to
4 feet in the late morning and afternoon. A small craft advisory
may be needed.
.TUESDAY NIGHT...North wind up to 30 knots. Gusts up to 35 knots
increasing to 40 knots after midnight. Slight chance of rain in
the evening. Snow through the night. Waves 4 to 7 feet. Waves
occasionally to 9 feet. A gale warning may be needed.

$$

LSZ141-241700-
Grand Marais to Taconite Harbor MN-
313 AM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.TODAY...West wind 5 to 10 knots becoming northwest late in the
afternoon. Sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 5 to 10 knots rising to 10 to 15 knots
after midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 to 2 feet.
.TUESDAY...Northeast wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Chance of rain in the
morning, then rain and snow in the afternoon. Waves 1 to 3 feet
building to 2 to 4 feet in the afternoon.
.TUESDAY NIGHT...North wind 20 to 25 knots. Gusts up to 30 knots
increasing to 35 knots in the late evening and overnight. Slight
chance of rain in the evening. Snow through the night. Waves 2 to
4 feet. A gale warning may be needed.

$$

LSZ142-241700-
Taconite Harbor to Silver Bay Harbor MN-
313 AM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.TODAY...Southwest wind 5 to 10 knots becoming northwest late in
the afternoon. Sunny. Waves 1 to 2 feet.
.TONIGHT...North wind 5 to 10 knots becoming northeast 10 to
15 knots after midnight. Partly cloudy in the evening then
becoming mostly cloudy. Waves 1 to 2 feet building to 1 to 3 feet
early in the morning.
.TUESDAY...Northeast wind 20 to 25 knots with gusts to around
30 knots. Rain likely in the morning, then rain and snow in the
afternoon. Waves 2 to 4 feet. A small craft advisory may be
needed.
.TUESDAY NIGHT...North wind 20 to 25 knots with gales to around
35 knots easing to 15 to 20 knots with gales to around 35 knots
early in the morning. Slight chance of rain in the evening. Snow
through the night. Waves 2 to 4 feet. A gale warning may be
needed.

$$

LSZ143-241700-
Silver Bay Harbor to Two Harbors MN-
313 AM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.TODAY...Southwest wind 10 to 15 knots becoming west 5 knots late
in the afternoon. Sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots becoming northeast 10 to
15 knots with gusts to around 20 knots after midnight. Slight
chance of rain after midnight. Waves 1 to 2 feet building to 1 to
3 feet early in the morning.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 30 knots in the afternoon. Rain likely in the
morning, then rain and snow in the afternoon. Waves 3 to 5 feet.
Waves occasionally to 7 feet. A small craft advisory may be
needed.
.TUESDAY NIGHT...North wind 20 to 25 knots with gales to around
35 knots. Rain in the evening. Snow through the night. Waves 3 to
5 feet. Waves occasionally to 7 feet. A gale warning may be
needed.

$$

LSZ144-241700-
Two Harbors to Duluth MN-
313 AM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.TODAY...Southwest wind 10 to 15 knots becoming northwest 5 knots
late in the afternoon. Sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots becoming northeast 10 to
15 knots with gusts to around 20 knots after midnight. Chance of
rain after midnight. Waves 1 to 3 feet.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 35 knots. Rain through the day. Snow in the
afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. A
gale warning may be needed.
.TUESDAY NIGHT...North wind 20 to 25 knots with gales to around
35 knots. Rain in the evening. Snow through the night. Waves 4 to
6 feet. Waves occasionally to 8 feet. A gale warning may be
needed.

$$

LSZ145-241700-
Duluth MN to Port Wing WI-
313 AM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.TODAY...Southwest wind 10 to 15 knots becoming west 5 knots late
in the afternoon. Mostly sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots
after midnight. Chance of rain after midnight. Waves 1 to 3 feet.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 35 knots. Rain. Waves 4 to 6 feet. Waves
occasionally to 8 feet. A gale warning may be needed.
.TUESDAY NIGHT...North wind up to 30 knots with gales to around
40 knots. Rain in the evening. Snow through the night. Waves 4 to
6 feet. Waves occasionally to 8 feet. A gale warning may be
needed.

$$

LSZ146-241700-
Port Wing to Sand Island WI-
313 AM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.TODAY...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 knots late in the afternoon. Mostly
sunny. Waves 1 to 3 feet.
.TONIGHT...Northeast wind 10 to 15 knots becoming east with gusts
to around 20 knots after midnight. Chance of rain after midnight.
Waves 1 to 3 feet.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 35 knots. Rain. Waves 4 to 6 feet. Waves
occasionally to 7 feet. A gale warning may be needed.
.TUESDAY NIGHT...Northeast wind up to 30 knots with gales to
around 40 knots becoming north 20 to 25 knots with gales to
around 40 knots early in the morning. Rain in the evening. Snow
through the night. Waves 4 to 7 feet. Waves occasionally to
9 feet. A gale warning may be needed.

$$

LSZ147-241700-
Sand Island to Bayfield WI-
313 AM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.TODAY...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 knots late in the afternoon. Mostly
sunny. Waves 1 to 3 feet.
.TONIGHT...North wind 5 to 10 knots becoming northeast 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. Chance of rain after midnight. Waves 1 to 3 feet.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 30 knots in the afternoon. Rain likely in the
morning, then rain in the afternoon. Waves 3 to 5 feet. A small
craft advisory may be needed.
.TUESDAY NIGHT...Northeast wind 20 to 25 knots becoming north
15 to 25 knots early in the morning. Gusts up to 35 knots. Rain
in the evening. Snow through the night. Slight chance of rain
after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet.
A gale warning may be needed.

$$

LSZ150-241700-
Outer Apostle Islands Beyond 5 NM from Mainland-
313 AM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.TODAY...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots late in the afternoon.
Mostly sunny. Waves 1 to 3 feet subsiding to 1 to 2 feet in the
afternoon.
.TONIGHT...North wind 5 to 10 knots becoming northeast 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. Slight chance of rain after midnight. Waves 1 to
2 feet building to 2 to 4 feet after midnight.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 35 knots. Rain likely in the morning, then rain in
the afternoon. Waves 3 to 5 feet. A gale warning may be needed.
.TUESDAY NIGHT...Northeast wind up to 30 knots with gales to
around 40 knots becoming north with gales to around 40 knots
early in the morning. Rain in the evening. Snow through the
night. Slight chance of rain after midnight. Blowing snow after
midnight. Waves 7 to 10 feet. Waves occasionally to 13 feet. A
gale warning may be needed.

$$

LSZ121-241700-
Chequamegon Bay-Bayfield to Oak Point WI-
313 AM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.TODAY...Southwest wind 5 to 10 knots becoming west late in the
afternoon. Mostly sunny. Waves 1 foot or less.
.TONIGHT...Northeast wind 5 to 10 knots. Chance of rain after
midnight. Waves 1 to 2 feet.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots.
Rain. Waves 1 to 3 feet building to 2 to 4 feet in the afternoon.
A small craft advisory may be needed.
.TUESDAY NIGHT...Northeast wind 20 to 25 knots becoming north
after midnight. Gusts up to 35 knots. Rain in the evening. Snow
through the night. Slight chance of rain after midnight. Waves
2 to 4 feet. A gale warning may be needed.

$$

LSZ148-241700-
Oak Point to Saxon Harbor WI-
313 AM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

.TODAY...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 knots late in the afternoon. Mostly
sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Chance of rain after
midnight. Waves 1 to 2 feet.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots.
Rain. Waves 1 to 3 feet building to 3 to 5 feet in the late
morning and afternoon. A small craft advisory may be needed.
.TUESDAY NIGHT...Northeast wind up to 30 knots with gales to
around 40 knots becoming north with gales to around 40 knots
early in the morning. Rain in the evening. Snow through the
night. Slight chance of rain after midnight. Blowing snow after
midnight. Waves 6 to 9 feet. Waves occasionally to 12 feet. A
gale warning may be needed.

$$

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

WFO DLH