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FZUS53 KDLH 100722
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
222 AM CDT Fri Oct 10 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.

LSZ140-101615-
Grand Portage to Grand Marais MN-
222 AM CDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...West wind 10 to 15 knots with gusts to around 30 knots
becoming northwest 15 to 20 knots with gales to around 30 knots
in the late morning and afternoon. Slight chance of rain showers
in the late morning and afternoon. Waves 3 to 5 feet subsiding to
1 to 3 feet late in the afternoon.
.TONIGHT...North wind 10 to 15 knots. Gusts up to 20 knots in the
evening. Mostly clear. Waves 1 to 2 feet.
.SATURDAY...Northeast wind 5 to 10 knots becoming southeast in
the afternoon. Mostly sunny. Waves 1 foot or less.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots with gusts to
around 30 knots becoming south 15 to 20 knots with gales to
around 35 knots after midnight. Partly cloudy in the evening then
becoming mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet
after midnight. A gale warning may be needed.

$$

LSZ141-101615-
Grand Marais to Taconite Harbor MN-
222 AM CDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...Northwest wind 15 to 20 knots with gusts to around
30 knots. Slight chance of rain showers early in the afternoon.
Waves 1 to 3 feet.
.TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot
or less.
.SATURDAY...Northeast wind 5 knots becoming southeast in the late
morning and afternoon. Mostly sunny. Waves 1 foot or less.
.SATURDAY NIGHT...East wind 5 to 10 knots with gusts to around
20 knots becoming southeast 10 to 15 knots with gusts to around
20 knots after midnight. Partly cloudy in the evening then
becoming mostly cloudy. Waves 1 to 3 feet.

$$

LSZ142-101615-
Taconite Harbor to Silver Bay Harbor MN-
222 AM CDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. Sunny. Waves
1 to 2 feet.
.TONIGHT...North wind 5 to 10 knots easing to 5 knots early in
the morning. Clear. Waves 1 foot or less.
.SATURDAY...Northeast wind 5 knots becoming east in the late
morning and afternoon. Mostly sunny. Waves 1 foot or less.
.SATURDAY NIGHT...East wind 5 to 10 knots with gusts to around
20 knots becoming southeast with gusts to around 20 knots after
midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 to 2 feet.

$$

LSZ143-101615-
Silver Bay Harbor to Two Harbors MN-
222 AM CDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...Northwest wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots late in the afternoon. Sunny. Waves 1 to
2 feet.
.TONIGHT...Northwest wind 5 to 10 knots becoming north after
midnight. Clear. Waves 1 foot or less.
.SATURDAY...Northeast wind 5 knots becoming east in the late
morning and afternoon. Sunny. Waves 1 foot or less.
.SATURDAY NIGHT...East wind 5 to 10 knots with gusts to around
20 knots becoming southeast with gusts to around 20 knots after
midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 foot or less.

$$

LSZ144-101615-
Two Harbors to Duluth MN-
222 AM CDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots in the afternoon. Sunny. Waves 1 to
2 feet.
.TONIGHT...Northwest wind 5 to 10 knots becoming northeast after
midnight. Clear. Waves 1 foot or less.
.SATURDAY...East wind 5 knots rising to 5 to 10 knots. Sunny.
Waves 1 foot or less.
.SATURDAY NIGHT...East wind 5 to 10 knots becoming southeast
10 to 15 knots with gusts to around 20 knots after midnight.
Partly cloudy in the evening then becoming mostly cloudy. Waves
1 to 2 feet.

$$

LSZ145-101615-
Duluth MN to Port Wing WI-
222 AM CDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots in the afternoon. Sunny. Waves 1 to 2 feet
building to 1 to 3 feet in the late morning and early afternoon,
then subsiding to 1 to 2 feet late in the afternoon.
.TONIGHT...Northwest wind 5 to 10 knots becoming east early in
the morning. Clear. Waves 1 to 2 feet.
.SATURDAY...Southeast wind 5 to 10 knots becoming east in the
afternoon. Sunny. Waves 1 foot or less.
.SATURDAY NIGHT...East wind 5 to 10 knots becoming southeast
10 to 15 knots with gusts to around 20 knots after midnight.
Partly cloudy in the evening then becoming mostly cloudy. Waves
1 to 2 feet.

$$

LSZ146-101615-
Port Wing to Sand Island WI-
222 AM CDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...Northwest wind 15 to 20 knots with gusts to around
30 knots becoming northwest 15 to 20 knots with gusts to around
25 knots in the afternoon. Sunny. Waves 1 to 3 feet building to
2 to 4 feet in the late morning and early afternoon, then
subsiding to 1 to 3 feet late in the afternoon.
.TONIGHT...Northwest wind 5 to 10 knots becoming northeast early
in the morning. Clear. Waves 1 to 2 feet.
.SATURDAY...East wind 5 to 10 knots. Sunny. Waves 1 foot or less.
.SATURDAY NIGHT...Southeast wind 5 to 10 knots becoming south
after midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 foot or less.

$$

LSZ147-101615-
Sand Island to Bayfield WI-
222 AM CDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...West wind 15 to 20 knots with gusts to around 25 knots
becoming northwest with gusts to around 30 knots in the late
morning and afternoon. Sunny. Waves 1 to 3 feet building to 2 to
4 feet in the late morning and afternoon.
.TONIGHT...Northwest wind 5 to 10 knots becoming northeast early
in the morning. Clear. Waves 1 to 2 feet.
.SATURDAY...East wind 5 to 10 knots. Sunny. Waves 1 foot or less.
.SATURDAY NIGHT...Southeast wind 5 to 10 knots becoming south
with gusts to around 20 knots after midnight. Partly cloudy in
the evening then becoming mostly cloudy. Waves 1 foot or less.

$$

LSZ150-101615-
Outer Apostle Islands Beyond 5 NM from Mainland-
222 AM CDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...West wind 15 to 20 knots with gusts to around 30 knots
becoming northwest 20 to 25 knots with gusts to around 30 knots
in the late morning and early afternoon, then easing to 10 to
15 knots with gusts to around 20 knots late in the afternoon.
Mostly sunny. Waves 3 to 5 feet. Waves occasionally to 7 feet.
.TONIGHT...Northwest wind 10 to 15 knots becoming northeast 5 to
10 knots early in the morning. Partly cloudy. Waves 1 to 3 feet
subsiding to 1 to 2 feet in the late evening and overnight.
.SATURDAY...East wind 5 to 10 knots. Mostly sunny. Waves 1 to
2 feet.
.SATURDAY NIGHT...Southeast wind 5 to 10 knots becoming south
with gusts to around 20 knots after midnight. Partly cloudy in
the evening then becoming mostly cloudy. Waves 1 to 2 feet.

$$

LSZ121-101615-
Chequamegon Bay-Bayfield to Oak Point WI-
222 AM CDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...West wind 10 to 15 knots with gusts to around 25 knots
becoming northwest 15 to 20 knots with gusts to around 25 knots
in the late morning and afternoon. Sunny. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 5 to 10 knots becoming northeast early
in the morning. Clear. Waves 1 foot or less.
.SATURDAY...Southeast wind 5 to 10 knots becoming east late in
the afternoon. Sunny. Waves 1 foot or less.
.SATURDAY NIGHT...East wind 5 to 10 knots becoming south with
gusts to around 20 knots in the late evening and overnight.
Partly cloudy in the evening then becoming mostly cloudy. Waves
1 foot or less.

$$

LSZ148-101615-
Oak Point to Saxon Harbor WI-
222 AM CDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...Southwest wind 10 to 15 knots with gusts to around
25 knots becoming northwest 15 to 20 knots with gusts to around
25 knots in the late morning and afternoon. Slight chance of rain
showers early in the afternoon. Waves 1 to 2 feet building to
2 to 4 feet in the late morning and afternoon.
.TONIGHT...Northwest wind 5 to 10 knots becoming northeast early
in the morning. Mostly clear. Waves 1 to 2 feet.
.SATURDAY...Southeast wind 5 to 10 knots becoming east late in
the afternoon. 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 in the evening then becoming mostly cloudy. Waves
1 foot or less.

$$

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

NLy