980
FZUS53 KDLH 030651
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
151 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.

LSZ140-031615-
Grand Portage to Grand Marais MN-
151 AM CDT Fri Oct 3 2025

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

.TODAY...West wind 5 knots becoming northeast in the late morning
and afternoon. Areas of dense fog early in the morning. Patchy
fog late in the morning. Waves 1 foot or less.
.TONIGHT...Northeast wind 5 to 10 knots. Areas of dense fog after
midnight. Waves 1 foot or less.
.SATURDAY...Southeast wind 5 to 10 knots becoming south with
gusts to around 20 knots in the late morning and afternoon.
Partly sunny. Waves 1 to 3 feet.
.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.

$$

LSZ141-031615-
Grand Marais to Taconite Harbor MN-
151 AM CDT Fri Oct 3 2025

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

.TODAY...Northwest wind 5 knots becoming east in the late morning
and afternoon. Patchy fog early in the morning. Areas of dense
fog late in the morning. Waves 1 foot or less.
.TONIGHT...Northeast wind 5 to 10 knots. Areas of dense fog.
Waves 1 foot or less.
.SATURDAY...East wind 5 knots becoming southeast in the late
morning and afternoon. 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 2 feet building to 2 to 4 feet in the late evening and
overnight.

$$

LSZ142-031615-
Taconite Harbor to Silver Bay Harbor MN-
151 AM CDT Fri Oct 3 2025

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

.TODAY...Northeast wind 5 knots rising to 5 to 10 knots in the
afternoon. Areas of dense fog in the morning. Waves 1 foot or
less.
.TONIGHT...Northeast wind 5 to 10 knots. Areas of dense fog in
the evening. Waves 1 foot or less.
.SATURDAY...Northeast wind 5 knots becoming southeast in the late
morning and afternoon. 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.

$$

LSZ143-031615-
Silver Bay Harbor to Two Harbors MN-
151 AM CDT Fri Oct 3 2025

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

.TODAY...Northeast wind 5 knots rising to 10 to 15 knots with
gusts to around 20 knots late in the afternoon. Areas of dense
fog in the morning. Waves 1 foot or less.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in
the evening. Areas of dense fog in the evening. Waves 1 to
2 feet.
.SATURDAY...Northeast 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 3 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.

$$

LSZ144-031615-
Two Harbors to Duluth MN-
151 AM CDT Fri Oct 3 2025

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

.TODAY...East wind 5 knots becoming northeast 10 to 15 knots with
gusts to around 20 knots late in the afternoon. Areas of dense
fog in the morning. Waves 1 foot or less.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in
the evening. Areas of dense fog in the evening. Waves 1 to
2 feet.
.SATURDAY...East wind 5 to 10 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 building to 1 to 3 feet in the
afternoon.
.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 2 to 4 feet. A gale warning may be needed.

$$

LSZ145-031615-
Duluth MN to Port Wing WI-
151 AM CDT Fri Oct 3 2025

.TODAY...South wind 5 knots becoming north late in the morning,
then becoming northeast with gusts to around 20 knots in the
afternoon. Patchy fog early in the morning, then areas of dense
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. Areas of
dense 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 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 1 to 3 feet building to 2 to 4 feet in the late evening and
overnight.

$$

LSZ146-031615-
Port Wing to Sand Island WI-
151 AM CDT Fri Oct 3 2025

.TODAY...South wind 5 knots becoming north late in the morning,
then becoming northeast 10 to 15 knots in the afternoon. Patchy
fog 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. Mostly cloudy.
Waves 1 to 2 feet.
.SATURDAY...South wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots late in the afternoon. 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.

$$

LSZ147-031615-
Sand Island to Bayfield WI-
151 AM CDT Fri Oct 3 2025

.TODAY...Southwest wind 5 knots becoming north late in the
morning, then becoming northeast in the afternoon. Patchy fog
early in the morning. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots becoming south early in the
morning. Mostly cloudy. 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.

$$

LSZ150-031615-
Outer Apostle Islands Beyond 5 NM from Mainland-
151 AM CDT Fri Oct 3 2025

.TODAY...South wind 5 knots becoming northeast in the late
morning and afternoon. Patchy fog early in the morning. Waves
1 foot or less.
.TONIGHT...East wind 5 to 10 knots becoming south early in the
morning. Mostly cloudy. 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.

$$

LSZ121-031615-
Chequamegon Bay-Bayfield to Oak Point WI-
151 AM CDT Fri Oct 3 2025

.TODAY...Southwest wind 5 knots becoming south late in the
morning, then becoming northeast in the afternoon. Mostly sunny.
Waves 1 foot or less.
.TONIGHT...Northeast wind 5 to 10 knots becoming south after
midnight. Mostly cloudy. Waves 1 foot or less.
.SATURDAY...South wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and 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.

$$

LSZ148-031615-
Oak Point to Saxon Harbor WI-
151 AM CDT Fri Oct 3 2025

.TODAY...Southwest wind 5 knots becoming west late in the
morning, then 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. Mostly cloudy. Waves 1 foot or
less.
.SATURDAY...South wind 10 to 15 knots. Gusts up to 25 knots
increasing to 30 knots late in the afternoon. Sunny. Waves 1 to
3 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

Wolfe