055
FZUS53 KDLH 040301
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1001 PM CDT Fri Oct 3 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.

LSZ140-041015-
Grand Portage to Grand Marais MN-
1001 PM CDT Fri Oct 3 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...East wind 5 to 10 knots. Patchy fog through
the night. Chance of rain showers after midnight. Waves 1 to
2 feet.
.SATURDAY...South wind 5 to 10 knots. Gusts up to 25 knots.
Mostly sunny. Waves 1 to 3 feet.
.SATURDAY NIGHT...South wind 15 to 20 knots with gusts to around
25 knots. Partly cloudy. Waves 1 to 3 feet building to 2 to
4 feet in the late evening and overnight. A small craft advisory
may be needed.
.SUNDAY...South wind 20 to 25 knots. Gusts up to 30 knots
increasing to 45 knots. Slight chance of rain showers in the
afternoon. Waves 5 to 8 feet. Waves occasionally to 10 feet. A
gale warning may be needed.

$$

LSZ141-041015-
Grand Marais to Taconite Harbor MN-
1001 PM CDT Fri Oct 3 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...East wind 5 to 10 knots. Slight chance of rain
showers late in the evening. Chance of rain showers after
midnight. Patchy fog through the night. Waves 1 to 2 feet.
.SATURDAY...Southeast wind 5 knots. Mostly sunny. Waves 1 to
2 feet.
.SATURDAY NIGHT...East wind 5 to 10 knots becoming south with
gusts to around 20 knots in the late evening and overnight.
Partly cloudy. Waves 1 to 3 feet.
.SUNDAY...South wind 15 to 20 knots. Gusts up to 25 knots
increasing to 35 knots. Slight chance of showers in the
afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. A
gale warning may be needed.

$$

LSZ142-041015-
Taconite Harbor to Silver Bay Harbor MN-
1001 PM CDT Fri Oct 3 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...Northeast wind 5 to 10 knots. Patchy fog late
in the evening, then areas of dense fog after midnight. Slight
chance of rain showers late in the evening, then chance of rain
showers after midnight. Waves 1 foot or less.
.SATURDAY...Southeast wind 5 to 10 knots. Gusts up to 20 knots
early in the afternoon. Mostly sunny. Waves 1 foot or less.
.SATURDAY NIGHT...Southeast wind 5 knots becoming south with
gusts to around 25 knots in the late evening and overnight.
Partly cloudy. Waves 1 to 3 feet.
.SUNDAY...South wind 15 to 20 knots. Gusts up to 25 knots
increasing to 35 knots. Slight chance of showers in the
afternoon. Waves 3 to 5 feet. A gale warning may be needed.

$$

LSZ143-041015-
Silver Bay Harbor to Two Harbors MN-
1001 PM CDT Fri Oct 3 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...Northeast wind 5 to 10 knots. Gusts up to
20 knots late in the evening. Slight chance of rain showers late
in the evening. Patchy fog in the late evening and early morning.
Waves 1 to 2 feet.
.SATURDAY...East wind 5 knots becoming southeast with gusts to
around 20 knots in the late morning and afternoon. Mostly sunny.
Waves 1 foot or less.
.SATURDAY NIGHT...Southeast wind 5 to 10 knots with gusts to
around 20 knots becoming south 10 to 15 knots with gusts to
around 25 knots in the late evening and overnight. Partly cloudy.
Waves 1 to 3 feet.
.SUNDAY...South wind 15 to 20 knots. Gusts up to 25 knots
increasing to 35 knots. Slight chance of showers in the
afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. A
gale warning may be needed.

$$

LSZ144-041015-
Two Harbors to Duluth MN-
1001 PM CDT Fri Oct 3 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...East wind 10 to 15 knots. Gusts up to 20 knots
late in the evening. Patchy fog after midnight. Waves 1 to
3 feet.
.SATURDAY...Southeast wind 5 to 10 knots becoming south 10 to
15 knots with gusts to around 25 knots in the late morning and
afternoon. Mostly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...South wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late evening and overnight. Partly
cloudy. Waves 1 to 3 feet.
.SUNDAY...South wind 20 to 25 knots. Gusts up to 25 knots
increasing to 35 knots in the late morning and afternoon. Slight
chance of showers in the afternoon. Waves 3 to 5 feet. Waves
occasionally to 7 feet. A gale warning may be needed.

$$

LSZ145-041015-
Duluth MN to Port Wing WI-
1001 PM CDT Fri Oct 3 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...Northeast wind 10 to 15 knots with gusts to
around 20 knots becoming east 5 to 10 knots toward daybreak.
Partly cloudy in the late evening and early morning then becoming
mostly cloudy. Waves 1 to 3 feet.
.SATURDAY...South wind 10 to 15 knots. Gusts up to 25 knots.
Mostly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...South wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots in the late evening and overnight. Partly
cloudy. Waves 1 to 3 feet.
.SUNDAY...South wind 20 to 25 knots. Gusts up to 25 knots
increasing to 35 knots. Slight chance of showers in the
afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late
morning and afternoon. A gale warning may be needed.

$$

LSZ146-041015-
Port Wing to Sand Island WI-
1001 PM CDT Fri Oct 3 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...Northeast wind 5 to 10 knots becoming east
toward daybreak. Partly cloudy. Waves 1 to 2 feet.
.SATURDAY...South wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...South wind 10 to 15 knots with gusts to around
25 knots. Partly cloudy. Waves 1 to 3 feet.
.SUNDAY...South wind 15 to 20 knots. Gusts up to 25 knots
increasing to 35 knots. Slight chance of showers in the
afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late
morning and afternoon. A gale warning may be needed.

$$

LSZ147-041015-
Sand Island to Bayfield WI-
1001 PM CDT Fri Oct 3 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...East wind 5 knots becoming south toward
daybreak. Patchy fog after midnight. Waves 1 foot or less.
.SATURDAY...South wind 10 to 15 knots. Gusts up to 25 knots.
Mostly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...South wind 10 to 15 knots with gusts to around
25 knots. Partly cloudy. Waves 1 to 2 feet.
.SUNDAY...South wind 10 to 15 knots. Gusts up to 25 knots
increasing to 30 knots in the late morning and afternoon. Slight
chance of showers in the afternoon. Waves 1 to 3 feet.

$$

LSZ150-041015-
Outer Apostle Islands Beyond 5 NM from Mainland-
1001 PM CDT Fri Oct 3 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...East wind 5 knots becoming south toward
daybreak. Patchy fog in the late evening and early morning. Waves
1 to 2 feet.
.SATURDAY...South wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Sunny. Waves 1 to
3 feet.
.SATURDAY NIGHT...South wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots in the late evening and overnight. Partly
cloudy. Waves 3 to 5 feet. A small craft advisory may be needed.
.SUNDAY...South wind 15 to 20 knots. Gusts up to 30 knots
increasing to 35 knots late in the afternoon. Slight chance of
showers in the afternoon. Waves 3 to 5 feet. Waves occasionally
to 7 feet. A gale warning may be needed.

$$

LSZ121-041015-
Chequamegon Bay-Bayfield to Oak Point WI-
1001 PM CDT Fri Oct 3 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...South wind 5 knots rising to 5 to 10 knots
toward daybreak. Partly cloudy. Waves 1 foot or less.
.SATURDAY...South wind 10 to 15 knots. Gusts up to 20 knots
increasing to 30 knots. Sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...South wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots late in the evening, then decreasing to
25 knots after midnight increasing to 30 knots early in the
morning. Partly cloudy. Waves 1 to 2 feet.
.SUNDAY...South wind 20 to 25 knots. Gusts up to 30 knots
increasing to 35 knots late in the afternoon. Slight chance of
showers in the afternoon. Waves 1 to 3 feet. A gale warning may
be needed.

$$

LSZ148-041015-
Oak Point to Saxon Harbor WI-
1001 PM CDT Fri Oct 3 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...East wind 5 knots becoming south after
midnight. Partly cloudy. Waves 1 foot or less.
.SATURDAY...South wind 10 to 15 knots. Gusts up to 20 knots
increasing to 30 knots. Sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...South wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots in the late evening and overnight. Partly
cloudy. Waves 1 to 3 feet.
.SUNDAY...South wind 20 to 25 knots. Gusts up to 30 knots
increasing to 35 knots in the afternoon. Slight chance of showers
in the afternoon. Waves 2 to 4 feet. A gale warning may be
needed.

$$

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

BJH