Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 011404
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
904 AM CDT Wed May 1 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.

LSZ140-141-012215-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
904 AM CDT Wed May 1 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.REST OF TODAY...North wind 15 to 20 knots with gusts to around
25 knots becoming northwest 10 to 15 knots with gusts to around
20 knots in the afternoon. Patchy fog through the day. Chance of
rain showers late in the morning. Slight chance of rain showers
in the afternoon. Waves 3 to 5 feet. Waves occasionally to
7 feet.
.TONIGHT...Northwest wind 5 to 10 knots with gusts to around
20 knots becoming northwest 5 to 10 knots early in the morning.
Mostly cloudy in the evening then becoming partly cloudy. Waves
1 to 3 feet.
.THURSDAY...North wind 5 to 10 knots becoming east 15 to 20 knots
in the late morning and afternoon. Chance of rain showers in the
afternoon. Waves 1 to 2 feet building to 1 to 3 feet late in the
afternoon.
.THURSDAY NIGHT...East wind 20 to 25 knots easing to 10 to
15 knots early in the morning. Gusts up to 30 knots after
midnight decreasing to 25 knots. Rain showers likely in the
evening, then rain showers after midnight. Waves 4 to 6 feet.
Waves occasionally to 8 feet. A small craft advisory may be
needed.

$$

LSZ142-143-012215-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
904 AM CDT Wed May 1 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.REST OF TODAY...Northwest wind 10 to 15 knots becoming west with
gusts to around 20 knots in the afternoon. Patchy fog late in the
morning. Slight chance of rain showers late in the morning. Waves
4 to 6 feet. Waves occasionally to 7 feet.
.TONIGHT...Northwest wind 5 to 10 knots with gusts to around
20 knots becoming north after midnight. Partly cloudy. Waves 1 to
3 feet.
.THURSDAY...Northeast wind 20 to 25 knots. Slight chance of rain
showers in the morning, then chance of rain showers in the
afternoon. Waves 1 to 2 feet building to 3 to 5 feet in the
afternoon. Waves occasionally to 7 feet. A small craft advisory
may be needed.
.THURSDAY NIGHT...Northeast wind 20 to 25 knots becoming east
10 to 15 knots with gusts to around 20 knots early in the
morning. Rain showers. Waves 4 to 7 feet. Waves occasionally to
9 feet. A small craft advisory may be needed.

$$

LSZ144-145-012215-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
904 AM CDT Wed May 1 2024

...DENSE FOG ADVISORY IN EFFECT UNTIL NOON CDT TODAY...
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.REST OF TODAY...West wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots early in the afternoon, then decreasing to
20 knots late. Dense fog this morning. Waves 3 to 5 feet. A small
craft advisory may be needed this afternoon.
.TONIGHT...Northwest wind 5 to 10 knots becoming northeast after
midnight. Partly cloudy. Waves 1 to 3 feet.
.THURSDAY...Northeast wind 5 to 10 knots rising to 20 to 25 knots
with gusts to around 30 knots in the late morning and afternoon.
Chance of rain showers in the morning, then rain showers likely
in the afternoon. Waves 1 to 2 feet building to 4 to 6 feet in
the afternoon. Waves occasionally to 8 feet. A small craft
advisory may be needed.
.THURSDAY NIGHT...Northeast wind 20 to 25 knots with gusts to
around 30 knots becoming east 10 to 15 knots early in the
morning. Rain showers. Waves 5 to 8 feet subsiding to 3 to 5 feet
early in the morning. Waves occasionally to 10 feet. A small
craft advisory may be needed.

$$

LSZ146-012215-
Port Wing to Sand Island WI-
904 AM CDT Wed May 1 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF TODAY...Northwest wind 10 to 15 knots becoming west
15 to 20 knots with gusts to around 25 knots in the afternoon.
Patchy fog late in the morning. Slight chance of rain showers
late in the morning. Waves 3 to 5 feet.
.TONIGHT...Northwest wind 5 to 10 knots becoming southeast after
midnight, then becoming east early in the morning. Partly cloudy.
Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening
and overnight.
.THURSDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots. Chance of rain showers in the morning, then rain
showers likely in the afternoon. Waves 1 to 2 feet building to
3 to 5 feet in the afternoon. A small craft advisory may be
needed.
.THURSDAY NIGHT...East wind 20 to 25 knots easing to 5 to
10 knots early in the morning. Rain showers in the evening, then
rain showers likely after midnight. Waves 4 to 6 feet subsiding
to 2 to 4 feet early in the morning. Waves occasionally to
8 feet. A small craft advisory may be needed.

$$

LSZ147-012215-
Sand Island to Bayfield WI-
904 AM CDT Wed May 1 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF TODAY...West wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots early in the afternoon, then decreasing to
20 knots late. Patchy fog late in the morning. Slight chance of
rain showers late in the morning. Waves 3 to 5 feet.
.TONIGHT...West wind 5 to 10 knots becoming east early in the
morning. Partly cloudy. Waves 1 to 3 feet subsiding to 1 to
2 feet in the late evening and overnight.
.THURSDAY...East wind 15 to 20 knots with gusts to around
25 knots. Chance of rain showers in the morning, then rain
showers likely in the afternoon. Waves 1 to 3 feet building to
2 to 4 feet late in the afternoon. A small craft advisory may be
needed.
.THURSDAY NIGHT...East wind 15 to 20 knots with gusts to around
25 knots becoming southeast 5 to 10 knots early in the morning.
Rain showers. Waves 3 to 5 feet. A small craft advisory may be
needed.

$$

LSZ121-012215-
Chequamegon Bay-Bayfield to Oak Point WI-
904 AM CDT Wed May 1 2024

.REST OF TODAY...West wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Mostly cloudy. Waves
1 foot or less.
.TONIGHT...Northwest wind 5 to 10 knots becoming west after
midnight, then becoming east early in the morning. Partly cloudy.
Waves 1 foot or less.
.THURSDAY...Northeast wind 10 to 15 knots with gusts to around
20 knots. Chance of rain showers in the morning, then rain
showers likely in the afternoon. Waves 1 to 2 feet.
.THURSDAY NIGHT...East wind 10 to 15 knots with gusts to around
20 knots becoming southeast 5 to 10 knots early in the morning.
Rain showers and slight chance of thunderstorms. Waves 1 to
2 feet.

$$

LSZ148-012215-
Oak Point to Saxon Harbor WI-
904 AM CDT Wed May 1 2024

.REST OF TODAY...West wind 10 to 15 knots with gusts to around
20 knots. Mostly cloudy. Waves 1 to 3 feet.
.TONIGHT...Northwest wind 5 to 10 knots becoming southeast early
in the morning. Partly cloudy. Waves 1 to 2 feet.
.THURSDAY...East wind 5 knots becoming northeast 15 to 20 knots
in the late morning and afternoon. Chance of rain showers in the
morning, then rain showers likely in the afternoon. Waves 1 to
2 feet building to 2 to 4 feet late in the afternoon.
.THURSDAY NIGHT...East wind 10 to 15 knots with gusts to around
20 knots becoming southeast 5 to 10 knots early in the morning.
Rain showers and slight chance of thunderstorms. Waves 2 to
4 feet subsiding to 1 to 3 feet early in the morning.

$$

LSZ150-012215-
Outer Apostle Islands Beyond 5 NM from Mainland-
904 AM CDT Wed May 1 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF TODAY...West wind 10 to 15 knots with gusts to around
20 knots. Patchy fog late in the morning. Slight chance of rain
showers late in the morning. Waves 4 to 6 feet. Waves
occasionally to 8 feet.
.TONIGHT...Northwest wind 5 to 10 knots becoming northeast early
in the morning. Partly cloudy. Waves 2 to 4 feet subsiding to
1 to 3 feet in the late evening and overnight.
.THURSDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots. Slight chance of rain showers in the morning, then rain
showers likely in the afternoon. Waves 1 to 3 feet building to
2 to 4 feet late in the afternoon. A small craft advisory may be
needed.
.THURSDAY NIGHT...East wind 15 to 20 knots with gusts to around
25 knots becoming southeast 10 to 15 knots early in the morning.
Slight chance of thunderstorms in the evening. Rain showers
through the night. Waves 4 to 6 feet. Waves occasionally to
7 feet. A small craft advisory may be needed.

$$

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

PA