573
FZUS53 KDLH 031428
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
928 AM CDT Fri Oct 3 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.

LSZ140-032215-
Grand Portage to Grand Marais MN-
928 AM CDT Fri Oct 3 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF TODAY...East wind 5 to 10 knots. Patchy fog late in the
morning. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots. Patchy fog after midnight.
Waves 1 foot or less.
.SATURDAY...South wind 5 to 10 knots rising to 10 to 15 knots
with gusts to around 25 knots in the late morning and afternoon.
Partly sunny. Waves 1 to 2 feet building to 1 to 3 feet in the
afternoon.
.SATURDAY NIGHT...South wind 15 to 20 knots. Gusts up to 25 knots
increasing to 35 knots. Partly cloudy. Waves 3 to 5 feet. Waves
occasionally to 7 feet. A gale warning may be needed.

$$

LSZ141-032215-
Grand Marais to Taconite Harbor MN-
928 AM CDT Fri Oct 3 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF TODAY...Northeast wind 5 knots becoming east in the
afternoon. Mostly sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots. Patchy fog. Waves 1 foot or
less.
.SATURDAY...Southeast wind 5 to 10 knots. Partly sunny. Waves
1 to 2 feet.
.SATURDAY NIGHT...South wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots early in the morning. Partly cloudy. Waves
1 to 3 feet.

$$

LSZ142-032215-
Taconite Harbor to Silver Bay Harbor MN-
928 AM CDT Fri Oct 3 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF TODAY...Northeast wind 5 knots rising to 5 to 10 knots
in the afternoon. Patchy fog late in the morning. Waves 1 foot or
less.
.TONIGHT...Northeast wind 5 to 10 knots. Patchy fog. Waves 1 foot
or less.
.SATURDAY...Southeast wind 5 to 10 knots. Partly sunny. Waves
1 foot or less.
.SATURDAY NIGHT...South wind 5 to 10 knots with gusts to around
25 knots becoming southwest 10 to 15 knots with gusts to around
25 knots after midnight. Partly cloudy. Waves 1 to 3 feet.

$$

LSZ143-032215-
Silver Bay Harbor to Two Harbors MN-
928 AM CDT Fri Oct 3 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF TODAY...Northeast wind 10 to 15 knots with gusts to
around 20 knots. Patchy fog late in the morning. Waves 1 foot or
less.
.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots early in the morning. Patchy fog.
Waves 1 to 2 feet.
.SATURDAY...East wind 5 knots becoming southeast 10 to 15 knots
with gusts to around 20 knots in the late morning and afternoon.
Mostly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...South wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots in the late evening and overnight. Partly
cloudy. Waves 1 to 3 feet building to 2 to 4 feet in the late
evening and overnight. A small craft advisory may be needed.

$$

LSZ144-032215-
Two Harbors to Duluth MN-
928 AM CDT Fri Oct 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM CDT THIS AFTERNOON
THROUGH THIS EVENING...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF TODAY...Northeast wind 5 knots rising to 10 to 15 knots
with gusts to around 20 knots late. Patchy fog late in the
morning. Waves 1 foot or less.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 25 knots.
Patchy fog in the evening. Waves 1 to 2 feet.
.SATURDAY...Southeast wind 5 to 10 knots with gusts to around
20 knots becoming south 10 to 15 knots with gusts to around
25 knots in the late morning and afternoon. Mostly sunny. Waves
1 to 2 feet.
.SATURDAY NIGHT...South wind 15 to 20 knots. Gusts up to 30 knots
increasing to 35 knots in the late evening and early morning,
then decreasing to 30 knots early in the morning. Partly cloudy.
Waves 3 to 5 feet. A gale warning may be needed.

$$

LSZ145-032215-
Duluth MN to Port Wing WI-
928 AM CDT Fri Oct 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM CDT THIS AFTERNOON
THROUGH THIS EVENING...

.REST OF TODAY...Northeast wind 5 knots rising to 10 to 15 knots
with gusts to around 20 knots late. Patchy fog late in the
morning. Waves 1 foot or less.
.TONIGHT...East wind 10 to 15 knots. Gusts up to 20 knots in the
evening. Patchy fog. Waves 1 to 2 feet.
.SATURDAY...South wind 15 to 20 knots with gusts to around
25 knots. Mostly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...South wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots in the late evening and early morning,
then decreasing to 25 knots early in the morning. Partly cloudy.
Waves 1 to 3 feet building to 2 to 4 feet in the late evening and
overnight.

$$

LSZ146-032215-
Port Wing to Sand Island WI-
928 AM CDT Fri Oct 3 2025

.REST OF TODAY...North wind 5 knots becoming northeast with gusts
to around 20 knots in the afternoon. Patchy fog late in the
morning. Waves 1 foot or less.
.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots becoming east 5 knots early in the morning. Patchy fog.
Waves 1 to 2 feet.
.SATURDAY...South wind 10 to 15 knots. Gusts up to 25 knots.
Mostly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...South wind 10 to 15 knots with gusts to around
25 knots. Partly cloudy. Waves 1 to 3 feet.

$$

LSZ147-032215-
Sand Island to Bayfield WI-
928 AM CDT Fri Oct 3 2025

.REST OF TODAY...North wind 5 knots becoming northeast in the
afternoon. Patchy fog late in the morning. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots becoming south early in the
morning. Patchy fog. Waves 1 foot or less.
.SATURDAY...South wind 10 to 15 knots. Gusts up to 25 knots.
Mostly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...South wind 10 to 15 knots. Gusts up to 25 knots
increasing to 30 knots in the late evening and overnight. Partly
cloudy. Waves 1 to 2 feet.

$$

LSZ150-032215-
Outer Apostle Islands Beyond 5 NM from Mainland-
928 AM CDT Fri Oct 3 2025

.REST OF TODAY...North wind 5 knots becoming northeast in the
afternoon. Patchy fog in the late morning and early afternoon.
Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots becoming south early in the
morning. Patchy fog. Waves 1 foot or less.
.SATURDAY...South wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Mostly sunny. Waves 1 to
3 feet.
.SATURDAY NIGHT...South wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots in the late evening and early morning,
then decreasing to 25 knots early in the morning. Partly cloudy.
Waves 3 to 5 feet. A small craft advisory may be needed.

$$

LSZ121-032215-
Chequamegon Bay-Bayfield to Oak Point WI-
928 AM CDT Fri Oct 3 2025

.REST OF TODAY...Northeast wind 5 to 10 knots. Mostly sunny.
Waves 1 foot or less.
.TONIGHT...Northeast wind 5 to 10 knots becoming south after
midnight. Patchy fog. Waves 1 foot or less.
.SATURDAY...South wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Sunny. Waves 1 to
2 feet.
.SATURDAY NIGHT...South wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots in the late evening and early morning,
then decreasing to 25 knots early in the morning. Partly cloudy.
Waves 1 to 2 feet.

$$

LSZ148-032215-
Oak Point to Saxon Harbor WI-
928 AM CDT Fri Oct 3 2025

.REST OF TODAY...North wind 5 knots becoming northeast in the
afternoon. Mostly sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots becoming south with gusts to
around 20 knots after midnight. Patchy fog. Waves 1 foot or less.
.SATURDAY...South wind 10 to 15 knots. Gusts up to 20 knots
increasing to 30 knots. Sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...South wind 15 to 20 knots with gusts to around
25 knots. Partly cloudy. Waves 1 to 2 feet building to 1 to
3 feet in the late evening and overnight.

$$

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

Rothstein