557
FZUS53 KDLH 241556
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
956 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.

LSZ140-242300-
Grand Portage to Grand Marais MN-
956 AM CST Mon Nov 24 2025

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

.REST OF TODAY...Southwest wind 5 to 10 knots becoming northwest
late. Sunny. Waves 1 to 3 feet subsiding to 1 to 2 feet in the
afternoon.
.TONIGHT...Northeast wind 10 to 15 knots. Mostly cloudy. Waves
1 to 2 feet.
.TUESDAY...Northeast wind 15 to 20 knots. Gusts up to 20 knots
increasing to 30 knots. Chance of rain and snow in the morning,
then rain and snow likely in the afternoon. 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...North wind 20 to 25 knots. Gusts up to 30 knots
increasing to 40 knots. 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.

$$

LSZ141-242300-
Grand Marais to Taconite Harbor MN-
956 AM CST Mon Nov 24 2025

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

.REST OF TODAY...West wind 5 to 10 knots. Sunny. Waves 1 to
2 feet.
.TONIGHT...Northeast wind 5 to 10 knots rising to 10 to 15 knots
early in the morning. 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 3 to 5 feet in the late morning and afternoon. A
small craft advisory may be needed.
.TUESDAY NIGHT...North wind 20 to 25 knots. Gusts up to 30 knots
increasing to 40 knots. Slight chance of rain in the evening.
Snow through the night. Waves 3 to 5 feet. A gale warning may be
needed.

$$

LSZ142-242300-
Taconite Harbor to Silver Bay Harbor MN-
956 AM CST Mon Nov 24 2025

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

.REST OF TODAY...Southwest wind 5 to 10 knots becoming west late.
Sunny. Waves 1 foot or less.
.TONIGHT...Northeast wind 10 to 15 knots becoming northeast 10 to
15 knots with gusts to around 20 knots early in the morning.
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 15 to 20 knots. Gusts up to 20 knots
increasing to 30 knots. Rain likely in the morning, then rain and
snow in the afternoon. Waves 4 to 7 feet. Waves occasionally to
9 feet. A small craft advisory may be needed.
.TUESDAY NIGHT...North wind 15 to 20 knots. Gusts up to 30 knots
increasing to 40 knots. Slight chance of rain in the evening.
Snow through the night. Waves 4 to 7 feet subsiding to 2 to
4 feet early in the morning. Waves occasionally to 9 feet. A gale
warning may be needed.

$$

LSZ143-242300-
Silver Bay Harbor to Two Harbors MN-
956 AM CST Mon Nov 24 2025

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

.REST OF TODAY...Southwest wind 5 to 10 knots becoming west late.
Sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots. 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 5 to 8 feet.
Waves occasionally to 10 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. Rain in the evening. Snow through the
night. Waves 5 to 8 feet subsiding to 4 to 6 feet after midnight.
Waves occasionally to 10 feet. A gale warning may be needed.

$$

LSZ144-242300-
Two Harbors to Duluth MN-
956 AM CST Mon Nov 24 2025

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

.REST OF TODAY...Southwest wind 5 to 10 knots becoming west late.
Sunny. Waves 1 foot or less.
.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 30 knots in the afternoon. Rain through the day.
Snow in the afternoon. Waves 5 to 8 feet. Waves occasionally to
11 feet. A small craft advisory may be needed.
.TUESDAY NIGHT...North wind 20 to 25 knots with gales to around
35 knots becoming northwest with gales to around 35 knots early
in the morning. Rain in the evening. Snow through the night.
Waves 5 to 8 feet subsiding to 4 to 6 feet after midnight. Waves
occasionally to 11 feet. A gale warning may be needed.

$$

LSZ145-242300-
Duluth MN to Port Wing WI-
956 AM CST Mon Nov 24 2025

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

.REST OF TODAY...Southwest wind 5 to 10 knots becoming northwest
late. 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 6 to 9 feet. Waves
occasionally to 11 feet. A gale warning may be needed.
.TUESDAY NIGHT...North wind 20 to 25 knots. Gusts up to 35 knots.
Rain in the evening. Snow through the night. Waves 6 to 9 feet
subsiding to 4 to 7 feet early in the morning. Waves occasionally
to 12 feet. A gale warning may be needed.

$$

LSZ146-242300-
Port Wing to Sand Island WI-
956 AM CST Mon Nov 24 2025

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

.REST OF TODAY...West wind 5 to 10 knots becoming northwest late.
Sunny. Waves 1 to 3 feet.
.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots. 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 5 to 8 feet. Waves
occasionally to 11 feet. A gale warning may be needed.
.TUESDAY NIGHT...North wind 20 to 25 knots rising to up to
30 knots early in the morning. Gusts up to 35 knots. Rain in the
evening. Snow through the night. Waves 6 to 9 feet. Waves
occasionally to 12 feet. A gale warning may be needed.

$$

LSZ147-242300-
Sand Island to Bayfield WI-
956 AM CST Mon Nov 24 2025

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

.REST OF TODAY...West wind 5 to 10 knots becoming northwest late.
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 5 to 8 feet. Waves
occasionally to 11 feet. A small craft advisory may be needed.
.TUESDAY NIGHT...North wind up to 30 knots. Gusts up to 35 knots.
Rain in the evening. Snow through the night. Slight chance of
rain after midnight. Waves 6 to 9 feet. Waves occasionally to
12 feet. A gale warning may be needed.

$$

LSZ150-242300-
Outer Apostle Islands Beyond 5 NM from Mainland-
956 AM CST Mon Nov 24 2025

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

.REST OF TODAY...West wind 5 to 10 knots becoming northwest late.
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 30 knots in the afternoon. Rain likely in the
morning, then rain in the afternoon. Waves 4 to 7 feet building
to 6 to 9 feet late in the afternoon. Waves occasionally to
12 feet. 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 35 knots
early in the morning. Rain in the evening. Snow through the
night. Slight chance of rain after midnight. Blowing snow after
midnight. Waves 8 to 13 feet. Waves occasionally to 16 feet. A
gale warning may be needed.

$$

LSZ121-242300-
Chequamegon Bay-Bayfield to Oak Point WI-
956 AM CST Mon Nov 24 2025

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

.REST OF TODAY...Southwest wind 5 knots becoming west late.
Mostly sunny. Waves 1 foot or less.
.TONIGHT...Northeast wind 5 to 10 knots rising to 10 to 15 knots
with gusts to around 20 knots after midnight. 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 30 knots.
Rain. Waves 6 to 9 feet. Waves occasionally to 12 feet. A small
craft advisory 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 35 knots early in the morning. Rain in the evening. Snow
through the night. Slight chance of rain after midnight. Waves
8 to 11 feet subsiding to 2 to 4 feet after midnight. Waves
occasionally to 15 feet. A gale warning may be needed.

$$

LSZ148-242300-
Oak Point to Saxon Harbor WI-
956 AM CST Mon Nov 24 2025

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

.REST OF TODAY...Southwest wind 5 to 10 knots becoming northwest
late. Mostly sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots. 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 30 knots.
Rain. Waves 6 to 9 feet. Waves occasionally to 12 feet. 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 35 knots
after midnight. Rain in the evening. Snow through the night.
Slight chance of rain after midnight. Blowing snow after
midnight. Waves 7 to 12 feet. Waves occasionally to 15 feet. A
gale warning may be needed.

$$

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

WFO DLH