021
FZUS53 KDLH 090708
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
208 AM 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.

LSZ140-091615-
Grand Portage to Grand Marais MN-
208 AM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM CDT THIS MORNING
THROUGH FRIDAY MORNING...

.TODAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and afternoon. Sunny.
Waves 1 to 2 feet building to 3 to 5 feet in the late morning and
afternoon.
.TONIGHT...South wind 15 to 20 knots. Gusts up to 20 knots
increasing to 30 knots in the late evening and early morning,
then decreasing to 25 knots early in the morning. Rain showers
likely through the night. Waves 4 to 6 feet. Waves occasionally
to 7 feet.
.FRIDAY...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. Rain showers likely. Waves 3 to 5 feet
subsiding to 1 to 2 feet late in the afternoon.
.FRIDAY NIGHT...North wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots in the late evening and overnight. Mostly
cloudy. Waves 1 to 2 feet.

$$

LSZ141-091615-
Grand Marais to Taconite Harbor MN-
208 AM CDT Thu Oct 9 2025

.TODAY...South wind 5 to 10 knots becoming southeast late in the
afternoon. Sunny. Waves 1 to 2 feet.
.TONIGHT...Southeast wind 5 to 10 knots becoming southwest 10 to
15 knots with gusts to around 25 knots in the late evening and
overnight. Chance of rain showers through the night. Waves 1 to
3 feet.
.FRIDAY...West wind 10 to 15 knots with gusts to around 20 knots
becoming northwest 15 to 20 knots with gusts to around 25 knots
in the late morning and afternoon. Chance of rain showers. Waves
1 to 3 feet.
.FRIDAY NIGHT...North wind 5 to 10 knots. Gusts up to 20 knots
early in the evening. Partly cloudy. Waves 1 foot or less.

$$

LSZ142-091615-
Taconite Harbor to Silver Bay Harbor MN-
208 AM CDT Thu Oct 9 2025

.TODAY...South wind 5 to 10 knots becoming east late in the
afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...Southeast wind 5 to 10 knots becoming southwest with
gusts to around 20 knots in the late evening and overnight.
Chance of rain showers through the night. Waves 1 to 2 feet.
.FRIDAY...West wind 10 to 15 knots with gusts to around 25 knots
becoming northwest with gusts to around 25 knots in the
afternoon. Chance of rain showers. Waves 1 to 2 feet.
.FRIDAY NIGHT...North wind 5 to 10 knots. Gusts up to 20 knots
early in the evening. Partly cloudy. Waves 1 foot or less.

$$

LSZ143-091615-
Silver Bay Harbor to Two Harbors MN-
208 AM CDT Thu Oct 9 2025

.TODAY...South wind 5 to 10 knots becoming southeast late in the
afternoon. Mostly sunny. Waves 1 to 2 feet.
.TONIGHT...South wind 10 to 15 knots with gusts to around
20 knots becoming southwest 5 to 10 knots with gusts to around
20 knots after midnight. Chance of rain showers in the evening,
then slight chance of rain showers after midnight. Waves 1 to
2 feet.
.FRIDAY...West wind 10 to 15 knots with gusts to around 25 knots
becoming northwest with gusts to around 20 knots in the
afternoon. Slight chance of rain showers in the morning, then
chance of rain showers in the afternoon. Waves 1 to 2 feet.
.FRIDAY NIGHT...North wind 5 to 10 knots easing to 5 knots early
in the morning. Partly cloudy. Waves 1 foot or less.

$$

LSZ144-091615-
Two Harbors to Duluth MN-
208 AM CDT Thu Oct 9 2025

.TODAY...South wind 10 to 15 knots. Gusts up to 20 knots in the
afternoon. Sunny until late afternoon then becoming partly sunny.
Waves 1 to 2 feet.
.TONIGHT...South wind 10 to 15 knots with gusts to around
25 knots becoming southwest with gusts to around 20 knots early
in the morning. Chance of rain showers in the evening, then
slight chance of rain showers after midnight. Waves 1 to 2 feet.
.FRIDAY...Northwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. Slight chance
of rain showers. Waves 1 to 2 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots easing to 5 knots early
in the morning. Partly cloudy. Waves 1 foot or less.

$$

LSZ145-091615-
Duluth MN to Port Wing WI-
208 AM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
FRIDAY MORNING...

.TODAY...South wind 10 to 15 knots. Gusts up to 20 knots in the
afternoon. Sunny until late afternoon then becoming partly sunny.
Waves 1 to 2 feet.
.TONIGHT...South wind 10 to 15 knots with gusts to around
25 knots becoming southwest with gusts to around 20 knots early
in the morning. Chance of rain showers in the evening, then
slight chance of rain showers after midnight. Waves 1 to 2 feet.
.FRIDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots becoming northwest 15 to 20 knots late in the afternoon.
Slight chance of rain showers. Waves 1 to 2 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots with gusts to around
20 knots easing to 5 to 10 knots early in the morning. Partly
cloudy. Waves 1 foot or less.

$$

LSZ146-091615-
Port Wing to Sand Island WI-
208 AM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
FRIDAY MORNING...

.TODAY...South wind 5 to 10 knots. Mostly sunny. Waves 1 foot or
less.
.TONIGHT...South wind 10 to 15 knots with gusts to around
25 knots becoming southwest with gusts to around 20 knots early
in the morning. Chance of rain showers through the night. 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 late
morning and afternoon. Slight chance of rain showers in the
morning, then chance of rain showers in the afternoon. Waves 1 to
2 feet.
.FRIDAY NIGHT...North wind 5 to 10 knots with gusts to around
20 knots becoming northeast early in the morning. Chance of rain
showers in the evening. Waves 1 foot or less.

$$

LSZ147-091615-
Sand Island to Bayfield WI-
208 AM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
FRIDAY MORNING...

.TODAY...South wind 5 to 10 knots. Sunny. Waves 1 foot or less.
.TONIGHT...South wind 10 to 15 knots becoming southwest early in
the morning. Gusts up to 20 knots. Chance of rain showers through
the night. Waves 1 foot or less.
.FRIDAY...West wind 10 to 15 knots with gusts to around 20 knots
becoming northwest 15 to 20 knots with gusts to around 25 knots
in the late morning and afternoon. Chance of rain showers. Waves
1 to 2 feet.
.FRIDAY NIGHT...North wind 5 to 10 knots with gusts to around
20 knots becoming northeast early in the morning. Chance of rain
showers in the evening. Waves 1 foot or less.

$$

LSZ150-091615-
Outer Apostle Islands Beyond 5 NM from Mainland-
208 AM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
FRIDAY MORNING...

.TODAY...South wind 10 to 15 knots with gusts to around 20 knots.
Sunny. Waves 1 to 2 feet.
.TONIGHT...South wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late evening and overnight. Chance
of rain showers through the night. 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. Chance of rain
showers. Waves 1 to 3 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots with gusts to around
25 knots becoming northeast with gusts to around 20 knots early
in the morning. Chance of rain showers in the evening. Waves 1 to
2 feet.

$$

LSZ121-091615-
Chequamegon Bay-Bayfield to Oak Point WI-
208 AM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
FRIDAY MORNING...

.TODAY...South wind 10 to 15 knots. Gusts up to 20 knots in the
afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...South wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots after midnight, then decreasing to
20 knots early in the morning. Chance of rain showers through the
night. Waves 1 foot or less.
.FRIDAY...Southwest wind 10 to 15 knots becoming northwest in the
late morning and afternoon. Gusts up to 20 knots. Chance of rain
showers. Waves 1 foot or less.
.FRIDAY NIGHT...North wind 5 to 10 knots. Chance of rain showers
in the evening. Waves 1 foot or less.

$$

LSZ148-091615-
Oak Point to Saxon Harbor WI-
208 AM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
FRIDAY MORNING...

.TODAY...South wind 10 knots rising to 10 to 15 knots late in the
morning, then easing to 10 knots early in the afternoon rising to
10 to 15 knots late in the afternoon. Gusts up to 20 knots.
Sunny. Waves 1 to 2 feet.
.TONIGHT...South wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late evening and overnight. Chance
of rain showers through the night. Waves 1 to 2 feet.
.FRIDAY...Southwest wind 15 to 20 knots becoming northwest in the
late morning and afternoon. Gusts up to 25 knots. Chance of rain
showers. Waves 1 to 2 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots with gusts to around
20 knots becoming northeast 5 to 10 knots early in the morning.
Chance of rain showers in the evening. Waves 1 foot or less.

$$

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

JDS