Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 110259
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
959 PM 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.

LSZ140-111015-
Grand Portage to Grand Marais MN-
959 PM CDT Fri Oct 10 2025

.REST OF TONIGHT...Northwest wind 5 to 10 knots becoming north
toward daybreak. Clear. Waves 1 foot or less.
.SATURDAY...Northeast wind 5 knots becoming southeast in the
afternoon. Sunny. Waves 1 foot or less.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots with gusts to
around 25 knots becoming south 15 to 20 knots with gusts to
around 30 knots after midnight. Mostly clear in the evening then
becoming mostly cloudy. Waves 1 to 2 feet building to 4 to 6 feet
in the late evening and overnight. Waves occasionally to 7 feet.
A small craft advisory may be needed.
.SUNDAY...South wind 15 to 20 knots. Gusts up to 35 knots
decreasing to 30 knots in the late morning and afternoon. Mostly
cloudy. Waves 4 to 6 feet. Waves occasionally to 7 feet. A gale
warning may be needed.

$$

LSZ141-111015-
Grand Marais to Taconite Harbor MN-
959 PM CDT Fri Oct 10 2025

.REST OF TONIGHT...North wind 5 knots becoming northeast toward
daybreak. 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 10 to 15 knots with gusts to around
20 knots becoming south with gusts to around 20 knots after
midnight. Mostly clear in the evening then becoming mostly
cloudy. Waves 1 to 2 feet building to 1 to 3 feet after midnight.
.SUNDAY...Southeast wind 10 to 15 knots with gusts to around
25 knots. Slight chance of rain showers in the afternoon. Waves
1 to 3 feet.

$$

LSZ142-111015-
Taconite Harbor to Silver Bay Harbor MN-
959 PM CDT Fri Oct 10 2025

.REST OF TONIGHT...North wind 5 knots. Clear. Waves 1 foot or
less.
.SATURDAY...Northeast wind 5 knots becoming southeast in the late
morning and afternoon. Sunny. Waves 1 foot or less.
.SATURDAY NIGHT...East 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.
.SUNDAY...Southeast wind 5 to 10 knots. Gusts up to 20 knots
increasing to 25 knots late in the afternoon. Slight chance of
rain showers in the afternoon. Waves 1 to 2 feet.

$$

LSZ143-111015-
Silver Bay Harbor to Two Harbors MN-
959 PM CDT Fri Oct 10 2025

.REST OF TONIGHT...North wind 5 to 10 knots. Clear. Waves 1 foot
or less.
.SATURDAY...Northeast wind 5 knots becoming southeast in the late
morning and early afternoon, then becoming east 10 to 15 knots
late in the afternoon. Sunny. Waves 1 foot or less.
.SATURDAY NIGHT...East wind 10 to 15 knots becoming southeast
5 to 10 knots after midnight. Partly cloudy in the evening then
becoming mostly cloudy. Waves 1 to 2 feet.
.SUNDAY...Southeast wind 5 to 10 knots with gusts to around
20 knots. Chance of rain showers in the afternoon. Waves 1 to
2 feet.

$$

LSZ144-111015-
Two Harbors to Duluth MN-
959 PM CDT Fri Oct 10 2025

.REST OF TONIGHT...North wind 5 to 10 knots becoming northeast
toward daybreak. Clear. Waves 1 foot or less.
.SATURDAY...East wind 10 to 15 knots. Sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...East wind 10 to 15 knots becoming south with
gusts to around 20 knots early in the morning. Partly cloudy in
the evening then becoming mostly cloudy. Waves 1 to 2 feet.
.SUNDAY...Southeast wind 15 to 20 knots with gusts to around
25 knots. Chance of rain showers in the afternoon. Waves 1 to
3 feet.

$$

LSZ145-111015-
Duluth MN to Port Wing WI-
959 PM CDT Fri Oct 10 2025

.REST OF TONIGHT...Northeast wind 5 to 10 knots becoming
southeast toward daybreak. Clear. Waves 1 foot or less.
.SATURDAY...South wind 5 knots becoming northeast in the
afternoon. Sunny. Waves 1 foot or less.
.SATURDAY NIGHT...East wind 5 to 10 knots becoming south 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.
.SUNDAY...Southeast wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and afternoon. Chance
of rain showers in the afternoon. Waves 1 to 3 feet.

$$

LSZ146-111015-
Port Wing to Sand Island WI-
959 PM CDT Fri Oct 10 2025

.REST OF TONIGHT...Northeast wind 5 to 10 knots becoming east
toward daybreak. Clear. Waves 1 foot or less.
.SATURDAY...Southeast wind 5 knots becoming east in the
afternoon. 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.
.SUNDAY...Southeast wind 5 to 10 knots. Gusts up to 20 knots
early in the morning then 20 knots in the afternoon. Slight
chance of rain showers in the afternoon. Waves 1 foot or less.

$$

LSZ147-111015-
Sand Island to Bayfield WI-
959 PM CDT Fri Oct 10 2025

.REST OF TONIGHT...North wind 5 to 10 knots becoming east toward
daybreak. 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 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. Mostly clear in the evening then becoming mostly
cloudy. Waves 1 foot or less.
.SUNDAY...Southeast wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots late in the afternoon. Slight chance of
rain showers in the afternoon. Waves 1 foot or less.

$$

LSZ150-111015-
Outer Apostle Islands Beyond 5 NM from Mainland-
959 PM CDT Fri Oct 10 2025

.REST OF TONIGHT...North wind 5 to 10 knots becoming northeast
toward daybreak. Mostly clear. Waves 1 to 2 feet.
.SATURDAY...Southeast wind 5 to 10 knots. Sunny. Waves 1 to
2 feet.
.SATURDAY NIGHT...East wind 10 to 15 knots becoming southeast
with gusts to around 20 knots late in the evening, then becoming
south with gusts to around 20 knots after midnight. Mostly clear
in the evening then becoming mostly cloudy. Waves 1 to 2 feet.
.SUNDAY...Southeast wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots late in the afternoon. Slight chance of
rain showers in the afternoon. Waves 1 to 2 feet building to 2 to
4 feet late in the afternoon.

$$

LSZ121-111015-
Chequamegon Bay-Bayfield to Oak Point WI-
959 PM CDT Fri Oct 10 2025

.REST OF TONIGHT...North wind 5 knots becoming east toward
daybreak. Clear. Waves 1 foot or less.
.SATURDAY...South wind 5 knots becoming east 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.
Mostly clear in the evening then becoming mostly cloudy. Waves
1 foot or less.
.SUNDAY...South wind 10 to 15 knots with gusts to around
25 knots. Slight chance of rain showers in the afternoon. Waves
1 to 2 feet.

$$

LSZ148-111015-
Oak Point to Saxon Harbor WI-
959 PM CDT Fri Oct 10 2025

.REST OF TONIGHT...Northwest wind 5 knots becoming east toward
daybreak. Mostly clear. Waves 1 to 2 feet.
.SATURDAY...South wind 5 knots becoming east in the afternoon.
Sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...East wind 5 to 10 knots becoming south 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. Partly cloudy. Waves 1 to 2 feet.
.SUNDAY...South wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots late in the afternoon. Slight chance of
rain showers in the afternoon. Waves 1 to 3 feet.

$$

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

BJH