339
FZUS53 KDLH 300736
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
236 AM CDT Tue Apr 30 2024

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.

LSZ140-141-300915-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
236 AM CDT Tue Apr 30 2024

.Rest of Tonight...North wind 10 to 15 knots becoming northwest
early in the morning. Patchy fog. Chance of drizzle. Waves 3 to
5 feet.
.TUESDAY...West wind 5 to 10 knots becoming southwest in the
afternoon. Cloudy in the morning then becoming partly sunny.
Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning
and afternoon.
.TUESDAY NIGHT...East wind 5 to 10 knots becoming northeast 15 to
20 knots with gusts to around 25 knots in the late evening and
overnight. Chance of rain in the evening, then rain after
midnight. Waves 1 to 2 feet building to 2 to 4 feet after
midnight.
.WEDNESDAY...Northeast wind 10 to 15 knots becoming northwest
late in the morning, then becoming west in the afternoon. Gusts
up to 20 knots. Chance of rain in the morning, then slight chance
of rain in the afternoon. Waves 2 to 4 feet.

$$

LSZ142-143-300915-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
236 AM CDT Tue Apr 30 2024

.Rest of Tonight...West wind 5 to 10 knots. Slight chance of
drizzle through the night. Patchy fog early in the morning. Waves
3 to 4 feet.
.TUESDAY...Southwest wind 5 to 10 knots becoming south late in
the afternoon. Patchy fog in the morning. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon.
.TUESDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to
25 knots. Rain likely in the evening, then rain after midnight.
Waves 1 to 2 feet building to 2 to 4 feet after midnight.
.WEDNESDAY...North wind 10 to 15 knots becoming west 15 to
20 knots in the late morning and afternoon. Chance of rain
through the day. Waves 3 to 5 feet. A small craft advisory may be
needed.

$$

LSZ144-145-300915-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
236 AM CDT Tue Apr 30 2024

.Rest of Tonight...North wind 5 to 10 knots becoming west early
in the morning. Patchy fog. Waves 2 to 4 feet.
.TUESDAY...Southwest wind 5 to 10 knots becoming east late in the
afternoon. Patchy fog in the morning. Waves 1 to 3 feet.
.TUESDAY NIGHT...Northeast wind 20 to 25 knots. Rain through the
night. Patchy fog after midnight. Waves 1 to 3 feet. A small
craft advisory may be needed.
.WEDNESDAY...Southwest wind 5 to 10 knots becoming west 15 to
20 knots with gusts to around 25 knots in the late morning and
afternoon. Slight chance of rain in the morning. Waves 1 to
3 feet building to 4 to 6 feet in the late morning and afternoon.
Waves occasionally to 7 feet. A small craft advisory may be
needed.

$$

LSZ146-300915-
Port Wing to Sand Island WI-
236 AM CDT Tue Apr 30 2024

.Rest of Tonight...North wind 5 to 10 knots becoming west early
in the morning. Slight chance of drizzle after midnight. Patchy
fog early in the morning. Waves 2 to 4 feet.
.TUESDAY...Southwest wind 5 to 10 knots becoming east late in the
afternoon. Patchy fog in the morning. Waves 1 to 3 feet subsiding
to 1 to 2 feet in the late morning and afternoon.
.TUESDAY NIGHT...Northeast wind 15 to 20 knots with gusts to
around 25 knots becoming north 10 to 15 knots with gusts to
around 20 knots early in the morning. Rain through the night.
Waves 1 to 2 feet building to 1 to 3 feet after midnight.
.WEDNESDAY...West wind 5 to 10 knots rising to 15 to 20 knots
with gusts to around 25 knots in the late morning and afternoon.
Slight chance of rain through the day. Waves 1 to 3 feet building
to 4 to 6 feet. Waves occasionally to 8 feet. A small craft
advisory may be needed.

$$

LSZ147-300915-
Sand Island to Bayfield WI-
236 AM CDT Tue Apr 30 2024

.Rest of Tonight...Northwest wind 10 to 15 knots becoming west
5 to 10 knots early in the morning. Slight chance of drizzle
after midnight. Waves 2 to 4 feet.
.TUESDAY...West wind 5 to 10 knots becoming southeast late in the
afternoon. Cloudy in the morning then becoming partly sunny.
Waves 1 to 3 feet.
.TUESDAY NIGHT...Northeast wind 15 to 20 knots. Rain likely in
the evening, then rain after midnight. Waves 1 to 2 feet building
to 1 to 3 feet after midnight.
.WEDNESDAY...West wind 10 knots rising to 15 to 20 knots with
gusts to around 25 knots in the late morning and afternoon.
Chance of rain through the day. Waves 1 to 3 feet building to
4 to 6 feet. Waves occasionally to 7 feet. A small craft advisory
may be needed.

$$

LSZ121-300915-
Chequamegon Bay-Bayfield to Oak Point WI-
236 AM CDT Tue Apr 30 2024

.Rest of Tonight...West wind 5 knots. Cloudy. Waves 1 foot or
less.
.TUESDAY...Southwest wind 5 to 10 knots becoming east late in the
afternoon. Cloudy in the morning then becoming partly sunny.
Waves 1 foot or less.
.TUESDAY NIGHT...Northeast wind 10 to 15 knots becoming west 5 to
10 knots early in the morning. Rain through the night. Waves 1 to
2 feet.
.WEDNESDAY...West wind 10 knots rising to 10 to 15 knots with
gusts to around 25 knots in the late morning and afternoon.
Slight chance of rain through the day. Waves 1 to 2 feet.

$$

LSZ148-300915-
Oak Point to Saxon Harbor WI-
236 AM CDT Tue Apr 30 2024

.Rest of Tonight...West wind 5 to 10 knots. Patchy fog. Waves
1 to 3 feet.
.TUESDAY...Southwest wind 5 to 10 knots becoming east late in the
afternoon. Cloudy in the morning then becoming partly sunny.
Waves 1 to 2 feet.
.TUESDAY NIGHT...East wind 10 to 15 knots with gusts to around
20 knots becoming south with gusts to around 20 knots early in
the morning. Chance of rain in the evening, then rain after
midnight. Waves 1 to 3 feet.
.WEDNESDAY...West wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Slight chance of rain through the
day. Waves 1 to 2 feet.

$$

LSZ150-300915-
Outer Apostle Islands Beyond 5 NM from Mainland-
236 AM CDT Tue Apr 30 2024

.Rest of Tonight...Northwest wind 10 to 15 knots becoming west
early in the morning. Patchy fog through the night. Chance of
drizzle after midnight. Slight chance of drizzle early in the
morning. Waves 3 to 4 feet.
.TUESDAY...West wind 5 to 10 knots becoming southeast late in the
afternoon. Patchy fog in the morning. Waves 2 to 4 feet subsiding
to 1 to 2 feet in the afternoon.
.TUESDAY NIGHT...East wind 15 to 20 knots with gusts to around
25 knots. Rain likely in the evening, then rain after midnight.
Waves 1 to 2 feet building to 2 to 4 feet after midnight. A small
craft advisory may be needed.
.WEDNESDAY...West wind 15 to 20 knots. Gusts up to 25 knots early
in the afternoon. Chance of rain through the day. Waves 2 to
4 feet building to 4 to 6 feet in the afternoon. Waves
occasionally to 8 feet. A small craft advisory may be needed.

$$

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

NLy