Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 301501
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1001 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.

LSZ140-141-302215-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
1001 AM CDT Tue Apr 30 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH WEDNESDAY MORNING...

.REST OF TODAY...Southwest wind 5 to 10 knots. Mostly cloudy.
Waves 1 to 3 feet.
.TONIGHT...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 4 to 6 feet after
midnight. Waves occasionally to 7 feet.
.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 3 to 5 feet. Waves occasionally
to 7 feet.
.WEDNESDAY NIGHT...Northwest wind 10 to 15 knots with gusts to
around 20 knots becoming north 5 to 10 knots early in the
morning. Partly cloudy. Waves 1 to 3 feet.

$$

LSZ143-302215-
Silver Bay Harbor to Two Harbors MN-
1001 AM CDT Tue Apr 30 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING
THROUGH WEDNESDAY MORNING...

.REST OF TODAY...Southwest wind 5 to 10 knots becoming south
late. Mostly cloudy. Waves 1 to 3 feet.
.TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots.
Rain through the night. Waves 1 to 3 feet building to 4 to 6 feet
after midnight. Waves occasionally to 7 feet.
.WEDNESDAY...Northwest wind 5 to 10 knots becoming west 15 to
20 knots in the late morning and afternoon. Chance of rain
through the day. Waves 3 to 5 feet. Waves occasionally to 7 feet.
.WEDNESDAY NIGHT...West wind 5 to 10 knots becoming northeast
after midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 to 3 feet.

$$

LSZ142-302215-
Taconite Harbor to Silver Bay Harbor MN-
1001 AM CDT Tue Apr 30 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH WEDNESDAY MORNING...

.REST OF TODAY...Southwest wind 5 to 10 knots becoming south
late. Mostly cloudy. Waves 1 to 3 feet.
.TONIGHT...Northeast 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 4 to 6 feet after midnight. Waves
occasionally to 8 feet.
.WEDNESDAY...North wind 10 to 15 knots with gusts to around
20 knots becoming west with gusts to around 20 knots in the late
morning and afternoon. Chance of rain through the day. Waves 4 to
6 feet. Waves occasionally to 7 feet.
.WEDNESDAY NIGHT...Northwest wind 5 to 10 knots becoming
northeast early in the morning. Partly cloudy. Waves 1 to 3 feet.

$$

LSZ144-145-302215-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
1001 AM CDT Tue Apr 30 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING
THROUGH LATE TONIGHT...

.REST OF TODAY...Southwest wind 5 to 10 knots becoming east late.
Cloudy late in the morning then becoming partly sunny. Waves 1 to
2 feet.
.TONIGHT...Northeast wind 20 to 25 knots. Rain through the night.
Patchy fog after midnight. Waves 1 to 2 feet building to 3 to
5 feet in the late evening and overnight.
.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 3 to
5 feet. Waves occasionally to 7 feet. A small craft advisory may
be needed.
.WEDNESDAY NIGHT...West wind 10 to 15 knots becoming northwest
5 to 10 knots late in the evening, then becoming northeast after
midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late
evening and overnight.

$$

LSZ146-302215-
Port Wing to Sand Island WI-
1001 AM CDT Tue Apr 30 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH WEDNESDAY AFTERNOON...

.REST OF TODAY...Southwest wind 5 to 10 knots becoming east late.
Cloudy late in the morning then becoming partly sunny. Waves 1 to
2 feet.
.TONIGHT...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
3 feet building to 2 to 4 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 4 to 6 feet. Waves
occasionally to 8 feet.
.WEDNESDAY NIGHT...Southwest wind 5 to 10 knots becoming
southeast after midnight, then becoming east early in the
morning. Partly cloudy in the evening then becoming mostly
cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late
evening and overnight.

$$

LSZ147-302215-
Sand Island to Bayfield WI-
1001 AM CDT Tue Apr 30 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH WEDNESDAY AFTERNOON...

.REST OF TODAY...Southwest wind 5 to 10 knots becoming southeast
late. Cloudy late in the morning then becoming partly sunny.
Waves 1 to 2 feet.
.TONIGHT...Northeast wind 15 to 20 knots. Rain likely in the
evening, then rain after midnight. Waves 1 to 2 feet building to
2 to 4 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 3 to 5 feet.
.WEDNESDAY NIGHT...West wind 5 to 10 knots becoming south after
midnight, then becoming east early in the morning. Partly cloudy
in the evening then becoming mostly cloudy. Waves 2 to 4 feet
subsiding to 1 to 2 feet in the late evening and overnight.

$$

LSZ121-302215-
Chequamegon Bay-Bayfield to Oak Point WI-
1001 AM CDT Tue Apr 30 2024

.REST OF TODAY...Southwest wind 5 knots becoming east late.
Mostly cloudy. Waves 1 foot or less.
.TONIGHT...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.
.WEDNESDAY NIGHT...West wind 5 to 10 knots becoming south after
midnight, then becoming east early in the morning. Partly cloudy
in the evening then becoming mostly cloudy. Waves 1 foot or less.

$$

LSZ148-302215-
Oak Point to Saxon Harbor WI-
1001 AM CDT Tue Apr 30 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH LATE TONIGHT...

.REST OF TODAY...Southwest wind 5 knots becoming east late.
Mostly cloudy. Waves 1 to 2 feet.
.TONIGHT...East wind 10 to 15 knots with gusts to around 25 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 building to 2 to 4 feet after midnight.
.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 3 feet.
.WEDNESDAY NIGHT...West wind 5 to 10 knots becoming south after
midnight, then becoming southeast early in the morning. Partly
cloudy in the evening then becoming mostly cloudy. Waves 1 to
2 feet.

$$

LSZ150-302215-
Outer Apostle Islands Beyond 5 NM from Mainland-
1001 AM CDT Tue Apr 30 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH WEDNESDAY AFTERNOON...

.REST OF TODAY...Southwest wind 5 to 10 knots becoming southeast
late. Cloudy late in the morning then becoming partly sunny.
Waves 1 to 3 feet.
.TONIGHT...East wind 15 to 20 knots with gusts to around
25 knots. Rain likely in the evening, then rain after midnight.
Waves 1 to 3 feet building to 4 to 6 feet after midnight. Waves
occasionally to 7 feet.
.WEDNESDAY...West wind 15 to 20 knots. Gusts up to 25 knots early
in the afternoon. Chance of rain through the day. Waves 3 to
5 feet. Waves occasionally to 7 feet.
.WEDNESDAY NIGHT...West wind 5 to 10 knots becoming east early in
the morning. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to
2 feet in the late evening and overnight.

$$

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

JDS