845
FZUS53 KDLH 092022
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
322 PM CDT Thu Oct 9 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.

LSZ140-100415-
Grand Portage to Grand Marais MN-
322 PM CDT Thu Oct 9 2025

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

.TONIGHT...South wind 15 to 20 knots with gusts to around
30 knots becoming southwest with gusts to around 30 knots after
midnight. Rain showers likely and slight chance of thunderstorms.
Waves 1 to 3 feet building to 4 to 6 feet in the late evening and
overnight. Waves occasionally to 8 feet.
.FRIDAY...West wind 10 to 15 knots with gusts to around 25 knots
becoming northwest 15 to 20 knots with gusts to around 30 knots
in the late morning and afternoon. Slight chance of rain showers
through the day. Waves 4 to 6 feet subsiding to 2 to 4 feet in
the afternoon. Waves occasionally to 7 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Partly cloudy. Waves 1 to
2 feet.
.SATURDAY...Northeast wind 5 to 10 knots becoming east in the
late morning and afternoon. Mostly sunny. Waves 1 foot or less.

$$

LSZ141-100415-
Grand Marais to Taconite Harbor MN-
322 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
FRIDAY AFTERNOON...

.TONIGHT...East wind 5 to 10 knots with gusts to around 20 knots
becoming southwest 10 to 15 knots with gusts to around 25 knots
in the late evening and overnight. Rain showers likely and slight
chance of thunderstorms. Waves 1 to 2 feet building to 2 to
4 feet in the late evening and overnight.
.FRIDAY...Northwest wind 15 to 20 knots with gusts to around
30 knots. Slight chance of rain showers. Waves 2 to 4 feet
subsiding to 1 to 2 feet late in the afternoon.
.FRIDAY NIGHT...North wind 5 to 10 knots with gusts to around
20 knots becoming north 5 to 10 knots after midnight. Partly
cloudy. Waves 1 foot or less.
.SATURDAY...Northeast wind 5 to 10 knots becoming east in the
late morning and afternoon. Mostly sunny. Waves 1 foot or less.

$$

LSZ142-100415-
Taconite Harbor to Silver Bay Harbor MN-
322 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
FRIDAY AFTERNOON...

.TONIGHT...East wind 5 knots becoming southwest 10 to 15 knots
with gusts to around 20 knots in the late evening and overnight.
Rain showers likely in the evening. Slight chance of
thunderstorms through the night. Chance of rain showers after
midnight. Waves 1 to 3 feet.
.FRIDAY...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 25 knots late in the afternoon. Slight chance
of rain showers in the afternoon. Waves 1 to 3 feet.
.FRIDAY NIGHT...North wind 5 to 10 knots with gusts to around
20 knots easing to 5 knots early in the morning. Partly cloudy.
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.

$$

LSZ143-100415-
Silver Bay Harbor to Two Harbors MN-
322 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
FRIDAY AFTERNOON...

.TONIGHT...Southeast wind 5 to 10 knots becoming southwest 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. Rain showers likely in the evening. Slight chance of
thunderstorms through the night. Chance of rain showers after
midnight. Waves 1 to 3 feet.
.FRIDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots late in the afternoon. Mostly sunny. Waves
1 to 2 feet.
.FRIDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around
20 knots becoming north after midnight. Partly cloudy. 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.

$$

LSZ144-100415-
Two Harbors to Duluth MN-
322 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
FRIDAY AFTERNOON...

.TONIGHT...South wind 5 to 10 knots becoming southwest 10 to
15 knots in the late evening and overnight. Gusts up to 20 knots.
Chance of rain showers and slight chance of thunderstorms until
early morning. Waves 1 to 2 feet.
.FRIDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots late in the afternoon. Sunny. Waves 1 to
2 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots becoming northeast 5 to
10 knots early in the morning. Mostly 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.

$$

LSZ145-100415-
Duluth MN to Port Wing WI-
322 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH FRIDAY EVENING...

.TONIGHT...South wind 10 to 15 knots with gusts to around
25 knots becoming southwest with gusts to around 20 knots late in
the night. Chance of rain showers and slight chance of
thunderstorms until early morning. Waves 1 to 2 feet.
.FRIDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots late in the afternoon. Mostly sunny. Waves
1 to 2 feet building to 1 to 3 feet in the late morning and
afternoon.
.FRIDAY NIGHT...North wind 10 to 15 knots with gusts to around
20 knots becoming northeast 5 to 10 knots early in the morning.
Partly cloudy. Waves 1 to 2 feet.
.SATURDAY...East wind 5 to 10 knots. Sunny. Waves 1 foot or less.

$$

LSZ146-100415-
Port Wing to Sand Island WI-
322 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH FRIDAY EVENING...

.TONIGHT...South wind 10 to 15 knots with gusts to around
25 knots becoming southwest with gusts to around 25 knots late in
the night. Rain showers likely in the evening. Slight chance of
thunderstorms through the night. Chance of rain showers after
midnight. Waves 1 to 3 feet.
.FRIDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots.
Slight chance of rain showers in the afternoon. Waves 2 to 4 feet
subsiding to 1 to 3 feet late in the afternoon.
.FRIDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around
20 knots becoming northeast after midnight. Partly cloudy. Waves
1 to 2 feet.
.SATURDAY...East wind 5 to 10 knots. Mostly sunny. Waves 1 foot
or less.

$$

LSZ147-100415-
Sand Island to Bayfield WI-
322 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH FRIDAY EVENING...

.TONIGHT...South wind 10 to 15 knots with gusts to around
25 knots becoming southwest with gusts to around 25 knots late in
the night. Rain showers likely in the evening. Slight chance of
thunderstorms through the night. Chance of rain showers after
midnight. Waves 1 to 2 feet.
.FRIDAY...West wind 15 to 20 knots becoming northwest in the late
morning and afternoon. Gusts up to 25 knots. Slight chance of
rain showers through the day. Waves 2 to 4 feet.
.FRIDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around
20 knots becoming northeast with gusts to around 20 knots after
midnight. Slight chance of rain showers through the night. Waves
1 to 2 feet.
.SATURDAY...East wind 5 to 10 knots. Mostly sunny. Waves 1 foot
or less.

$$

LSZ150-100415-
Outer Apostle Islands Beyond 5 NM from Mainland-
322 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH FRIDAY EVENING...

.TONIGHT...South wind 15 to 20 knots. Gusts up to 20 knots
increasing to 30 knots in the late evening and overnight. Rain
showers likely and slight chance of thunderstorms through the
night. Waves 1 to 3 feet building to 3 to 5 feet in the late
evening and overnight.
.FRIDAY...West wind 15 to 20 knots with gusts to around 25 knots
becoming northwest 20 to 25 knots with gusts to around 30 knots
in the late morning and afternoon. Slight chance of rain showers.
Waves 3 to 5 feet. Waves occasionally to 7 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots with gusts to around
25 knots becoming northeast with gusts to around 20 knots after
midnight. Slight chance of rain showers through the night. Waves
1 to 3 feet subsiding to 1 to 2 feet in the late evening and
overnight.
.SATURDAY...East wind 10 to 15 knots easing to 5 to 10 knots in
the afternoon. Mostly sunny. Waves 1 to 2 feet.

$$

LSZ121-100415-
Chequamegon Bay-Bayfield to Oak Point WI-
322 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH FRIDAY EVENING...

.TONIGHT...South wind 10 knots with gusts to around 20 knots
becoming southwest with gusts to around 25 knots in the late
evening and overnight. Rain showers likely in the evening. Slight
chance of thunderstorms through the night. Chance of rain showers
after midnight. Waves 1 to 2 feet.
.FRIDAY...West wind 10 to 15 knots with gusts to around 20 knots
becoming northwest with gusts to around 25 knots in the
afternoon. Slight chance of rain showers through the day. Waves
1 to 2 feet.
.FRIDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around
20 knots becoming northeast early in the morning. Slight chance
of rain showers through the night. Waves 1 foot or less.
.SATURDAY...East wind 5 to 10 knots. Mostly sunny. Waves 1 foot
or less.

$$

LSZ148-100415-
Oak Point to Saxon Harbor WI-
322 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH FRIDAY EVENING...

.TONIGHT...South wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots in the late evening and overnight. Rain
showers likely in the evening. Slight chance of thunderstorms
through the night. Chance of rain showers after midnight. Waves
1 to 3 feet.
.FRIDAY...Southwest wind 15 to 20 knots becoming northwest in the
late morning and afternoon. Gusts up to 25 knots. Slight chance
of rain showers through the day. Waves 1 to 3 feet building to
2 to 4 feet in the late morning and afternoon.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to
around 20 knots becoming northeast 5 to 10 knots after midnight.
Slight chance of rain showers through the night. Waves 1 to
2 feet.
.SATURDAY...East wind 5 to 10 knots. Mostly sunny. Waves 1 to
2 feet.

$$

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

Huyck