791
FZUS53 KDLH 151459
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
959 AM CDT Tue Jul 15 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.

LSZ140-141-152215-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
959 AM CDT Tue Jul 15 2025

.REST OF TODAY...Northeast wind 5 to 10 knots. Areas of smoke in
the late morning and early afternoon. Rain showers likely and
chance of thunderstorms late in the morning. Rain showers with
thunderstorms likely in the afternoon. Waves 1 foot or less.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in
the late evening and overnight. Rain showers and chance of
thunderstorms in the evening, then rain showers likely after
midnight. Waves 1 to 2 feet.
.WEDNESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
until late afternoon. Chance of rain showers. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots becoming north in
the late evening and overnight. Chance of rain showers through
the night. Waves 1 to 2 feet.

$$

LSZ143-152215-
Silver Bay Harbor to Two Harbors MN-
959 AM CDT Tue Jul 15 2025

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

.REST OF TODAY...Northeast wind 5 to 10 knots becoming north
late. Areas of smoke in the late morning and early afternoon.
Chance of showers and thunderstorms late in the morning. Showers
with thunderstorms likely in the afternoon. Waves 1 foot or less.
.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots. Rain showers in the evening. Chance of thunderstorms
through the night. Rain showers likely after midnight. Waves 1 to
2 feet.
.WEDNESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Rain showers likely in
the morning, then chance of rain showers in the afternoon. Waves
1 to 3 feet building to 2 to 4 feet in the late morning and
afternoon.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots with gusts to
around 20 knots becoming north 5 knots after midnight. Chance of
rain showers through the night. Waves 1 to 3 feet subsiding to
1 to 2 feet in the late evening and overnight.

$$

LSZ142-152215-
Taconite Harbor to Silver Bay Harbor MN-
959 AM CDT Tue Jul 15 2025

.REST OF TODAY...East wind 5 to 10 knots becoming north in the
afternoon. Areas of smoke in the late morning and early
afternoon. Chance of showers and thunderstorms late in the
morning. Showers with thunderstorms likely in the afternoon.
Waves 1 foot or less.
.TONIGHT...Northeast wind 10 to 15 knots. Rain showers and chance
of thunderstorms in the evening, then rain showers likely and
slight chance of thunderstorms after midnight. Waves 1 to 2 feet.
.WEDNESDAY...Northeast wind 10 to 15 knots with gusts to around
20 knots. Chance of rain showers. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots becoming north
after midnight. Chance of rain showers through the night. Waves
1 to 3 feet.

$$

LSZ144-145-152215-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
959 AM CDT Tue Jul 15 2025

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

.REST OF TODAY...Southeast wind 5 to 10 knots becoming northeast
in the afternoon. Areas of smoke in the late morning and early
afternoon. Chance of showers and thunderstorms late in the
morning. Showers with thunderstorms likely in the afternoon.
Waves 1 foot or less.
.TONIGHT...Northeast wind 15 to 20 knots with gusts to around
25 knots. Rain showers with thunderstorms likely in the evening,
then rain showers likely and chance of thunderstorms after
midnight. Waves 1 to 2 feet building to 1 to 3 feet early in the
morning.
.WEDNESDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots. Rain showers likely. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots with gusts to
around 20 knots becoming north 5 to 10 knots early in the
morning. Chance of rain showers through the night. Waves 1 to
3 feet.

$$

LSZ146-152215-
Port Wing to Sand Island WI-
959 AM CDT Tue Jul 15 2025

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

.REST OF TODAY...East wind 5 to 10 knots becoming north in the
afternoon. Chance of showers and thunderstorms late in the
morning, then showers with thunderstorms likely in the afternoon.
Areas of smoke early in the afternoon. Waves 1 foot or less.
.TONIGHT...Northeast wind 15 to 20 knots with gusts to around
25 knots. Rain showers with thunderstorms likely in the evening,
then rain showers likely and chance of thunderstorms after
midnight. Waves 1 to 3 feet.
.WEDNESDAY...Northeast wind 10 to 15 knots with gusts to around
25 knots. Rain showers likely in the morning, then chance of rain
showers in the afternoon. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots with gusts to
around 20 knots becoming north 5 knots early in the morning.
Chance of rain showers through the night. Waves 1 to 3 feet
subsiding to 1 to 2 feet in the late evening and overnight.

$$

LSZ147-152215-
Sand Island to Bayfield WI-
959 AM CDT Tue Jul 15 2025

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

.REST OF TODAY...Southeast wind 5 to 10 knots becoming north in
the afternoon. Chance of showers and thunderstorms late in the
morning, then showers with thunderstorms likely in the afternoon.
Waves 1 foot or less.
.TONIGHT...North wind 5 knots becoming northeast 10 to 15 knots
with gusts to around 25 knots in the late evening and overnight.
Rain showers in the evening. Chance of thunderstorms through the
night. Rain showers likely after midnight. Waves 1 to 3 feet.
.WEDNESDAY...Northeast wind 10 to 15 knots with gusts to around
25 knots. Rain showers likely in the morning, then chance of rain
showers in the afternoon. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots with gusts to
around 20 knots becoming north early in the morning. Chance of
rain showers. Waves 1 to 3 feet.

$$

LSZ150-152215-
Outer Apostle Islands Beyond 5 NM from Mainland-
959 AM CDT Tue Jul 15 2025

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

.REST OF TODAY...East wind 5 to 10 knots becoming northeast in
the afternoon. Chance of showers and thunderstorms late in the
morning, then showers and thunderstorms likely in the afternoon.
Waves 1 foot or less.
.TONIGHT...North wind 10 to 15 knots becoming northeast 15 to
20 knots with gusts to around 25 knots after midnight. Rain
showers in the evening. Chance of thunderstorms through the
night. Rain showers likely after midnight. Waves 1 to 3 feet
building to 2 to 4 feet early in the morning.
.WEDNESDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots. Rain showers likely in the morning, then chance of rain
showers and slight chance of thunderstorms in the afternoon.
Waves 3 to 5 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots with gusts to
around 20 knots becoming north 5 to 10 knots early in the
morning. Chance of rain showers. Waves 2 to 4 feet subsiding to
1 to 2 feet after midnight. A small craft advisory may be needed.

$$

LSZ121-152215-
Chequamegon Bay-Bayfield to Oak Point WI-
959 AM CDT Tue Jul 15 2025

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

.REST OF TODAY...South wind 5 to 10 knots with gusts to around
20 knots becoming southwest with gusts to around 20 knots early
in the afternoon, then becoming northeast late. Chance of showers
and thunderstorms in the late morning and early afternoon, then
showers and thunderstorms late. Waves 1 foot or less.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 25 knots.
Showers and thunderstorms in the evening, then rain showers
likely and chance of thunderstorms after midnight. Waves 1 to
2 feet.
.WEDNESDAY...Northeast wind 10 to 15 knots with gusts to around
25 knots. Rain showers likely and slight chance of thunderstorms.
Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots early in the evening. Slight chance of thunderstorms in
the evening. Chance of rain showers through the night. Waves 1 to
2 feet.

$$

LSZ148-152215-
Oak Point to Saxon Harbor WI-
959 AM CDT Tue Jul 15 2025

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

.REST OF TODAY...North wind 5 to 10 knots with gusts to around
20 knots becoming northeast late. Chance of showers and
thunderstorms late in the morning, then showers and thunderstorms
likely in the afternoon. Waves 1 foot or less.
.TONIGHT...Northeast wind 15 to 20 knots with gusts to around
25 knots. Showers and thunderstorms in the evening, then rain
showers likely and chance of thunderstorms after midnight. Waves
1 to 3 feet building to 2 to 4 feet early in the morning.
.WEDNESDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots. Slight chance of thunderstorms in the morning. Rain
showers likely through the day. Slight chance of thunderstorms in
the afternoon. Waves 3 to 5 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots in the evening. Slight chance of thunderstorms in the
evening. Chance of rain showers through the night. Waves 2 to
4 feet subsiding to 1 to 2 feet after midnight. A small craft
advisory may be needed.

$$

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

Rothstein