446
FZUS53 KDLH 040253
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
953 PM CDT Thu Jul 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.

LSZ140-141-041015-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
953 PM CDT Thu Jul 3 2025

.REST OF TONIGHT...Northeast wind 5 to 10 knots. Slight chance of
showers and thunderstorms toward daybreak. Waves 1 to 2 feet.
.FRIDAY...East wind 5 to 10 knots becoming southeast late in the
afternoon. Chance of showers and thunderstorms in the morning,
then slight chance of showers and thunderstorms in the afternoon.
Waves 1 to 2 feet.
.FRIDAY NIGHT...East wind 5 to 10 knots becoming northeast late
in the evening, then becoming southwest after midnight. Chance of
showers and thunderstorms. Waves 1 to 2 feet.
.SATURDAY...Southwest wind 5 to 10 knots becoming west late in
the afternoon. Rain showers and chance of thunderstorms. Waves
1 to 2 feet.

$$

LSZ143-041015-
Silver Bay Harbor to Two Harbors MN-
953 PM CDT Thu Jul 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Slight chance
of showers and thunderstorms toward daybreak. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 5 to 10 knots becoming east in the
afternoon. Chance of showers and thunderstorms in the morning.
Waves 1 to 2 feet.
.FRIDAY NIGHT...East wind 5 to 10 knots becoming northeast late
in the evening, then becoming southeast after midnight becoming
southwest early in the morning. Chance of showers and
thunderstorms. Waves 1 foot or less.
.SATURDAY...Southwest wind 5 to 10 knots becoming west late in
the afternoon. Showers and chance of thunderstorms. Waves 1 foot
or less.

$$

LSZ142-041015-
Taconite Harbor to Silver Bay Harbor MN-
953 PM CDT Thu Jul 3 2025

.REST OF TONIGHT...Northeast wind 5 to 10 knots. Slight chance of
showers and thunderstorms toward daybreak. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 5 to 10 knots becoming east in the
afternoon. Chance of showers and thunderstorms in the morning.
Waves 1 to 2 feet.
.FRIDAY NIGHT...East wind 5 to 10 knots becoming north late in
the evening, then becoming southeast after midnight becoming
southwest early in the morning. Chance of showers and
thunderstorms. Waves 1 foot or less.
.SATURDAY...Southwest wind 5 knots becoming northwest late in the
afternoon. Rain showers and chance of thunderstorms. Waves 1 foot
or less.

$$

LSZ144-145-041015-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
953 PM CDT Thu Jul 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Slight chance
of showers and thunderstorms toward daybreak. Waves 1 to 2 feet.
.FRIDAY...East wind 5 to 10 knots becoming east 5 to 10 knots
with gusts to around 20 knots late in the afternoon. Chance of
rain showers and slight chance of thunderstorms in the morning.
Waves 1 to 2 feet.
.FRIDAY NIGHT...Southeast wind 5 to 10 knots becoming south after
midnight. Slight chance of showers and thunderstorms in the
evening, then chance of showers and thunderstorms after midnight.
Waves 1 foot or less.
.SATURDAY...Southwest wind 5 to 10 knots becoming west late in
the afternoon. Showers and chance of thunderstorms. Waves 1 foot
or less.

$$

LSZ146-041015-
Port Wing to Sand Island WI-
953 PM CDT Thu Jul 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Slight chance
of showers and thunderstorms toward daybreak. Waves 1 to 2 feet.
.FRIDAY...East wind 5 to 10 knots. Chance of showers and
thunderstorms in the morning. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 to 10 knots becoming southwest early
in the morning. Slight chance of thunderstorms in the evening.
Slight chance of showers through the night. Chance of
thunderstorms after midnight. Waves 1 foot or less.
.SATURDAY...Southwest wind 5 to 10 knots becoming west late in
the afternoon. Showers and chance of thunderstorms. Waves 1 foot
or less.

$$

LSZ147-041015-
Sand Island to Bayfield WI-
953 PM CDT Thu Jul 3 2025

.REST OF TONIGHT...Northeast wind 5 to 10 knots becoming east
toward daybreak. Slight chance of showers and thunderstorms
toward daybreak. Waves 1 foot or less.
.FRIDAY...Southeast wind 5 to 10 knots. Chance of showers and
thunderstorms in the morning. Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to
20 knots in the late evening and early morning. Slight chance of
thunderstorms in the evening. Slight chance of showers through
the night. Chance of thunderstorms after midnight. Waves 1 foot
or less.
.SATURDAY...Southwest wind 5 to 10 knots becoming west late in
the afternoon. Showers and chance of thunderstorms. Waves 1 foot
or less.

$$

LSZ150-041015-
Outer Apostle Islands Beyond 5 NM from Mainland-
953 PM CDT Thu Jul 3 2025

.REST OF TONIGHT...Northeast wind 10 to 15 knots becoming east
5 to 10 knots toward daybreak. Slight chance of showers and
thunderstorms toward daybreak. Waves 1 to 2 feet.
.FRIDAY...Southeast wind 5 to 10 knots. Chance of showers and
thunderstorms in the morning. Waves 1 to 2 feet.
.FRIDAY NIGHT...South wind 10 to 15 knots. Gusts up to 20 knots
in the late evening and overnight. Slight chance of thunderstorms
in the evening. Slight chance of showers through the night.
Chance of thunderstorms after midnight. Waves 1 to 2 feet.
.SATURDAY...Southwest wind 5 to 10 knots becoming west late in
the afternoon. Showers and chance of thunderstorms. Waves 1 to
2 feet.

$$

LSZ121-041015-
Chequamegon Bay-Bayfield to Oak Point WI-
953 PM CDT Thu Jul 3 2025

.REST OF TONIGHT...Northeast wind 5 to 10 knots becoming
southeast toward daybreak. Chance of thunderstorms and slight
chance of showers toward daybreak. Waves 1 to 2 feet.
.FRIDAY...South wind 5 to 10 knots. Gusts up to 20 knots late in
the afternoon. Chance of showers and thunderstorms in the
morning. Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to
20 knots in the late evening and overnight. Slight chance of
thunderstorms in the evening. Slight chance of showers through
the night. Chance of thunderstorms after midnight. Waves 1 foot
or less.
.SATURDAY...Southwest wind 5 to 10 knots with gusts to around
20 knots becoming west late in the afternoon. Showers and chance
of thunderstorms. Waves 1 foot or less.

$$

LSZ148-041015-
Oak Point to Saxon Harbor WI-
953 PM CDT Thu Jul 3 2025

.REST OF TONIGHT...North wind 5 knots becoming southeast toward
daybreak. Chance of thunderstorms and slight chance of rain
showers toward daybreak. Waves 1 to 2 feet.
.FRIDAY...South wind 5 to 10 knots. Chance of showers and
thunderstorms in the morning. Waves 1 foot or less.
.FRIDAY NIGHT...South wind 5 to 10 knots with gusts to around
20 knots. Slight chance of thunderstorms in the evening. Slight
chance of showers through the night. Chance of thunderstorms
after midnight. Waves 1 foot or less.
.SATURDAY...Southwest wind 5 to 10 knots with gusts to around
20 knots becoming west late in the afternoon. Showers likely in
the morning. Chance of thunderstorms through the day. Showers in
the afternoon. Waves 1 foot or less.

$$

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

JDS