378
FZUS53 KDLH 060241
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
941 PM CDT Sun Oct 5 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.

LSZ140-061015-
Grand Portage to Grand Marais MN-
941 PM CDT Sun Oct 5 2025

...GALE WARNING IN EFFECT UNTIL 4 AM CDT MONDAY...

.REST OF TONIGHT...West wind 20 to 25 knots with gales to around
40 knots becoming northwest up to 30 knots with gales to around
40 knots after midnight, then easing to 15 to 20 knots with gusts
to around 30 knots toward daybreak. Partly cloudy. Waves 7 to
10 feet subsiding to 3 to 5 feet toward daybreak. Waves
occasionally to 13 feet.
.MONDAY...Northwest wind 5 to 10 knots with gusts to around
20 knots becoming southwest 10 to 15 knots with gusts to around
20 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet.
.MONDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots. Mostly clear. Waves 1 to 3 feet.
.TUESDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Sunny. Waves 1 to 3 feet.

$$

LSZ141-061015-
Grand Marais to Taconite Harbor MN-
941 PM CDT Sun Oct 5 2025

...GALE WARNING IN EFFECT UNTIL 4 AM CDT MONDAY...

.REST OF TONIGHT...West wind up to 30 knots with gales to around
40 knots becoming northwest 15 to 20 knots with gusts to around
30 knots toward daybreak. Partly cloudy. Waves 5 to 8 feet
subsiding to 2 to 4 feet toward daybreak. Waves occasionally to
10 feet.
.MONDAY...West wind 5 to 10 knots with gusts to around 20 knots
becoming southwest 10 to 15 knots in the afternoon. Mostly sunny.
Waves 1 to 2 feet.
.MONDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots in
the late evening and overnight. Mostly clear. Waves 1 to 2 feet.
.TUESDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots in
the morning. Sunny. Waves 1 to 2 feet.

$$

LSZ142-061015-
Taconite Harbor to Silver Bay Harbor MN-
941 PM CDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...

.REST OF TONIGHT...West wind 10 to 15 knots with gusts to 30
knots becoming northwest 5 to 10 knots with gusts to around 25
knots toward daybreak. Mostly clear. Waves 4 to 6 feet subsiding
to 1 to 2 feet. Waves occasionally to 8 feet.
.MONDAY...West wind 5 to 10 knots becoming southwest in the
afternoon. Mostly sunny. Waves 1 foot or less.
.MONDAY NIGHT...West wind 5 to 10 knots. Gusts up to 20 knots
early in the morning. Mostly clear. Waves 1 foot or less.
.TUESDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots
early in the morning. Sunny. Waves 1 foot or less.

$$

LSZ143-061015-
Silver Bay Harbor to Two Harbors MN-
941 PM CDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...

.REST OF TONIGHT...West wind 15 to 20 knots with gusts to around
30 knots becoming northwest 5 to 10 knots with gusts to around 20
knots toward daybreak. Mostly clear. Waves 4 to 6 feet subsiding
to 1 to 3 feet after midnight. Waves occasionally to 7 feet.
.MONDAY...West wind 5 to 10 knots becoming southwest in the
afternoon. Mostly sunny. Waves 1 foot or less.
.MONDAY NIGHT...West wind 5 to 10 knots. Gusts up to 20 knots
early in the morning. Mostly clear. Waves 1 foot or less.
.TUESDAY...West wind 5 to 10 knots with gusts to around 20 knots
becoming northwest late in the afternoon. Sunny. Waves 1 foot or
less.

$$

LSZ144-061015-
Two Harbors to Duluth MN-
941 PM CDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...

.REST OF TONIGHT...Northwest wind 15 to 20 knots with gusts to
around 30 knots easing to 5 to 10 knots with gusts to around 20
knots toward daybreak. Mostly clear. Waves 3 to 5 feet subsiding
to 1 to 2 feet after midnight. Waves occasionally to 7 feet.
.MONDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or
less.
.MONDAY NIGHT...West wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.TUESDAY...West wind 5 to 10 knots becoming northwest late in the
afternoon. Sunny. Waves 1 foot or less.

$$

LSZ145-061015-
Duluth MN to Port Wing WI-
941 PM CDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...

.REST OF TONIGHT...Northwest wind 15 to 20 knots with gusts to
around 30 knots easing to 10 to 15 knots with gusts to around
20 knots toward daybreak. Partly cloudy. Waves 3 to 5 feet
subsiding to 1 to 2 feet toward daybreak. Waves occasionally to
7 feet.
.MONDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or
less.
.MONDAY NIGHT...West wind 5 to 10 knots. Mostly clear. Waves 1 to
2 feet.
.TUESDAY...West wind 5 to 10 knots becoming northwest in the
afternoon. Sunny. Waves 1 to 2 feet.

$$

LSZ146-061015-
Port Wing to Sand Island WI-
941 PM CDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...

.REST OF TONIGHT...West wind 15 to 20 knots with gusts to around
30 knots becoming northwest with gusts to around 30 knots after
midnight. Partly cloudy. Waves 3 to 5 feet. Waves occasionally to
7 feet.
.MONDAY...Northwest wind 5 to 10 knots becoming southwest in the
afternoon. Mostly sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...West wind 5 to 10 knots. Gusts up to 20 knots in
the late evening and overnight. Mostly clear. Waves 1 to 2 feet.
.TUESDAY...West wind 5 to 10 knots with gusts to around 20 knots
becoming northwest late in the afternoon. Sunny. Waves 1 to
2 feet.

$$

LSZ147-061015-
Sand Island to Bayfield WI-
941 PM CDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...

.REST OF TONIGHT...West wind 15 to 20 knots with gusts to around
30 knots becoming northwest with gusts to around 25 knots after
midnight. Partly cloudy. Waves 3 to 5 feet.
.MONDAY...Northwest wind 5 to 10 knots becoming west in the
afternoon. Mostly sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...West wind 5 to 10 knots. Gusts up to 20 knots in
the late evening and overnight. Mostly clear. Waves 1 foot or
less.
.TUESDAY...West wind 5 to 10 knots with gusts to around 20 knots
becoming northwest late in the afternoon. Sunny. Waves 1 to
2 feet.

$$

LSZ150-061015-
Outer Apostle Islands Beyond 5 NM from Mainland-
941 PM CDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...

.REST OF TONIGHT...West wind 20 to 25 knots with gusts to around
30 knots becoming northwest after midnight. Mostly cloudy late in
the evening then clearing. Waves 4 to 6 feet. Waves occasionally
to 8 feet.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots in the afternoon. Mostly
sunny. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late
morning and afternoon.
.MONDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots in
the late evening and overnight. Mostly clear. Waves 1 to 2 feet.
.TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots
becoming northwest 5 to 10 knots in the afternoon. Sunny. Waves
1 to 2 feet.

$$

LSZ121-061015-
Chequamegon Bay-Bayfield to Oak Point WI-
941 PM CDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...

.REST OF TONIGHT...West wind 15 to 20 knots with gusts to around
30 knots becoming northwest 10 to 15 knots with gusts to around
25 knots after midnight. Mostly cloudy late in the evening then
clearing. Waves 1 to 2 feet.
.MONDAY...Northwest wind 5 to 10 knots becoming west late in the
afternoon. Mostly sunny. Waves 1 foot or less.
.MONDAY NIGHT...West wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.TUESDAY...West wind 5 to 10 knots becoming northwest in the
afternoon. Sunny. Waves 1 foot or less.

$$

LSZ148-061015-
Oak Point to Saxon Harbor WI-
941 PM CDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...

.REST OF TONIGHT...West wind 20 to 25 knots with gusts to around
30 knots becoming northwest with gusts to around 30 knots after
midnight, then easing to 10 to 15 knots with gusts to around
20 knots toward daybreak. Mostly cloudy late in the evening then
becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to
3 feet toward daybreak.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 knots in the afternoon. Mostly sunny.
Waves 1 to 2 feet.
.MONDAY NIGHT...West wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.TUESDAY...West wind 5 to 10 knots becoming northwest in the
afternoon. Sunny. Waves 1 foot or less.

$$

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

NLy