683
FZUS53 KDLH 090148
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
848 PM CDT Tue Sep 8 2026

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.

LSZ140-091000-
Grand Portage to Grand Marais MN-
848 PM CDT Tue Sep 8 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT WEDNESDAY...
...GALE WATCH IN EFFECT FROM 7 AM CDT WEDNESDAY THROUGH WEDNESDAY
AFTERNOON...

.REST OF TONIGHT...Southwest wind 5 to 10 knots rising to 15 to
20 knots in the late evening and overnight. Gusts up to 30 knots.
Mostly cloudy early in the evening then becoming partly cloudy.
Waves 3 to 5 feet.
.WEDNESDAY...West wind 20 to 25 knots. Gusts up to 30 knots
increasing to 35 knots early in the afternoon, then decreasing to
30 knots late in the afternoon. Chance of rain showers in the
afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. A
gale warning may be needed.
.WEDNESDAY NIGHT...West wind 15 to 20 knots with gusts to around
30 knots becoming northwest 5 to 10 knots with gusts to around
20 knots early in the morning. Mostly clear. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. A
small craft advisory may be needed.
.THURSDAY...West wind 5 to 10 knots becoming southwest 10 to
15 knots with gusts to around 25 knots in the afternoon. Sunny.
Waves 1 to 3 feet.

$$

LSZ141-091000-
Grand Marais to Taconite Harbor MN-
848 PM CDT Tue Sep 8 2026

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

.REST OF TONIGHT...Southeast wind 5 knots with gusts to around
20 knots becoming southwest 15 to 20 knots with gusts to around
25 knots in the late evening and overnight. Mostly cloudy early
in the evening then clearing. Waves 1 to 3 feet.
.WEDNESDAY...West wind 15 to 20 knots with gusts to around
30 knots. Chance of rain showers in the afternoon. Waves 2 to
4 feet.
.WEDNESDAY NIGHT...West wind 10 to 15 knots. Gusts up to
25 knots. Mostly clear. Waves 1 to 3 feet.
.THURSDAY...Northwest wind 5 knots becoming southwest with gusts
to around 20 knots in the afternoon. Sunny. Waves 1 foot or less.

$$

LSZ142-091000-
Taconite Harbor to Silver Bay Harbor MN-
848 PM CDT Tue Sep 8 2026

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

.REST OF TONIGHT...Southwest wind 5 to 10 knots. Gusts up to
20 knots. Mostly cloudy early in the evening then clearing. Waves
1 to 2 feet.
.WEDNESDAY...West 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. Chance of
showers in the afternoon. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...West wind 5 to 10 knots. Gusts up to 20 knots
early in the evening. Clear. Waves 1 foot or less.
.THURSDAY...West wind 5 knots becoming south with gusts to around
20 knots late in the afternoon. Sunny. Waves 1 foot or less.

$$

LSZ143-091000-
Silver Bay Harbor to Two Harbors MN-
848 PM CDT Tue Sep 8 2026

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

.REST OF TONIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots. Partly cloudy early in the evening then becoming
clear. Waves 1 to 2 feet.
.WEDNESDAY...West 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. Chance of
sprinkles in the afternoon. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...West wind 5 to 10 knots. Gusts up to 20 knots
early in the evening. Clear. Waves 1 to 2 feet.
.THURSDAY...West wind 5 knots becoming south with gusts to around
20 knots late in the afternoon. Sunny. Waves 1 foot or less.

$$

LSZ144-091000-
Two Harbors to Duluth MN-
848 PM CDT Tue Sep 8 2026

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

.REST OF TONIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots. Partly cloudy early in the evening then becoming
clear. Waves 1 to 2 feet.
.WEDNESDAY...West 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. Sunny. Waves
1 to 2 feet building to 1 to 3 feet in the late morning and
afternoon.
.WEDNESDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots early in the morning. Clear. Waves
1 to 2 feet.
.THURSDAY...West wind 5 knots becoming southwest in the
afternoon. Sunny. Waves 1 foot or less.

$$

LSZ145-091000-
Duluth MN to Port Wing WI-
848 PM CDT Tue Sep 8 2026

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

.REST OF TONIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots increasing to 25 knots toward daybreak. Partly cloudy
early in the evening then becoming clear. Waves 1 to 2 feet.
.WEDNESDAY...West wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots early in the afternoon, then decreasing to
25 knots late in the afternoon. Sunny. Waves 1 to 3 feet building
to 2 to 4 feet in the late morning and afternoon.
.WEDNESDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots early in the morning. Clear. Waves
1 to 2 feet.
.THURSDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less.

$$

LSZ146-091000-
Port Wing to Sand Island WI-
848 PM CDT Tue Sep 8 2026

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

.REST OF TONIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots increasing to 25 knots in the late evening and
overnight. Mostly cloudy early in the evening then clearing.
Waves 1 to 3 feet.
.WEDNESDAY...West wind 15 to 20 knots with gusts to around
30 knots. Sunny. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
in the evening. Clear. Waves 1 to 3 feet.
.THURSDAY...West wind 5 knots becoming southwest late in the
afternoon. Sunny. Waves 1 foot or less.

$$

LSZ147-091000-
Sand Island to Bayfield WI-
848 PM CDT Tue Sep 8 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT WEDNESDAY...
...GALE WATCH IN EFFECT FROM 7 AM CDT WEDNESDAY THROUGH WEDNESDAY
AFTERNOON...

.REST OF TONIGHT...Southwest wind 10 to 15 knots with gusts to
around 25 knots becoming west with gusts to around 25 knots after
midnight. Mostly cloudy then becoming partly cloudy in the late
evening and early morning then becoming clear. Waves 1 to 2 feet.
.WEDNESDAY...West wind 15 to 20 knots with gusts to around
30 knots. Sunny. Waves 2 to 4 feet. A small craft advisory may be
needed.
.WEDNESDAY NIGHT...West wind 10 to 15 knots. Gusts up to
25 knots. Clear. Waves 1 to 3 feet.
.THURSDAY...West wind 5 knots becoming south late in the
afternoon. Sunny. Waves 1 foot or less.

$$

LSZ150-091000-
Outer Apostle Islands Beyond 5 NM from Mainland-
848 PM CDT Tue Sep 8 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT WEDNESDAY...
...GALE WATCH IN EFFECT FROM 7 AM CDT WEDNESDAY THROUGH WEDNESDAY
AFTERNOON...

.REST OF TONIGHT...Southwest wind 10 to 15 knots with gusts to
around 25 knots becoming west 15 to 20 knots with gusts to around
30 knots after midnight. Mostly cloudy then becoming partly
cloudy in the late evening and early morning then becoming clear.
Waves 1 to 3 feet.
.WEDNESDAY...West wind 20 to 25 knots. Gusts up to 30 knots
increasing to 35 knots in the late morning and early afternoon,
then decreasing to 30 knots late in the afternoon. Chance of
sprinkles in the afternoon. Waves 4 to 6 feet. Waves occasionally
to 7 feet. A gale warning may be needed.
.WEDNESDAY NIGHT...West wind 10 to 15 knots. Gusts up to
25 knots. Clear. Waves 1 to 3 feet subsiding to 1 to 2 feet in
the late evening and overnight.
.THURSDAY...West wind 5 to 10 knots becoming south late in the
afternoon. Sunny. Waves 1 foot or less.

$$

LSZ121-091000-
Chequamegon Bay-Bayfield to Oak Point WI-
848 PM CDT Tue Sep 8 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT WEDNESDAY...
...GALE WATCH IN EFFECT FROM 7 AM CDT WEDNESDAY THROUGH WEDNESDAY
AFTERNOON...

.REST OF TONIGHT...Southwest wind 5 to 10 knots with gusts to
around 25 knots becoming west with gusts to around 20 knots
toward daybreak. Mostly cloudy then becoming partly cloudy in the
late evening and early morning then becoming clear. Waves 1 foot
or less.
.WEDNESDAY...West wind 15 to 20 knots. Gusts up to 20 knots
increasing to 30 knots. Sunny. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...West wind 10 to 15 knots with gusts to around
25 knots easing to 5 knots after midnight. Clear. Waves 1 foot or
less.
.THURSDAY...West wind 5 knots becoming southwest late in the
afternoon. Sunny. Waves 1 foot or less.

$$

LSZ148-091000-
Oak Point to Saxon Harbor WI-
848 PM CDT Tue Sep 8 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT WEDNESDAY...
...GALE WATCH IN EFFECT FROM 7 AM CDT WEDNESDAY THROUGH WEDNESDAY
AFTERNOON...

.REST OF TONIGHT...Southwest wind 10 to 15 knots with gusts to
around 25 knots becoming southwest 10 to 15 knots with gusts to
around 20 knots toward daybreak. Mostly cloudy then becoming
partly cloudy in the late evening and early morning then becoming
clear. Waves 1 to 2 feet.
.WEDNESDAY...West wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots in the late morning and afternoon. Sunny.
Waves 1 to 2 feet building to 2 to 4 feet in the afternoon.
.WEDNESDAY NIGHT...West wind 15 to 20 knots with gusts to around
30 knots easing to 5 to 10 knots with gusts to around 20 knots in
the late evening and overnight. Clear. Waves 1 to 3 feet.
.THURSDAY...West wind 5 to 10 knots becoming southeast late in
the afternoon. Sunny. Waves 1 foot or less.

$$

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

WFO DLH