Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 060904
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
404 AM CDT Mon May 6 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.

LSZ141-061615-
Grand Marais to Taconite Harbor MN-
404 AM CDT Mon May 6 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE
TUESDAY NIGHT...

.TODAY...East wind 10 to 15 knots with gusts to around 20 knots.
Sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots in
the evening. Partly cloudy. Waves 1 to 3 feet building to 2 to
4 feet in the late evening and overnight. A small craft advisory
may be needed.
.TUESDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots becoming east up to 30 knots with gales to around
35 knots in the late morning and afternoon. Chance of rain
showers in the morning, then rain showers likely in the
afternoon. Waves 3 to 5 feet building to 7 to 10 feet in the late
morning and afternoon. Waves occasionally to 13 feet. A gale
warning may be needed.
.TUESDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to
35 knots decreasing to 20 knots. Rain showers likely. Waves 5 to
8 feet subsiding to 2 to 4 feet after midnight. Waves
occasionally to 10 feet. A gale warning may be needed.

$$

LSZ140-061615-
Grand Portage to Grand Marais MN-
404 AM CDT Mon May 6 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
LATE TUESDAY NIGHT...

.TODAY...Northeast wind 5 knots becoming east 10 to 15 knots in
the late morning and afternoon. Sunny. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots. Partly cloudy. Waves 1 to 2 feet building to 2 to
4 feet in the late evening and overnight.
.TUESDAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots
late in the morning increasing to 35 knots, then decreasing to
30 knots late in the afternoon. Slight chance of rain showers in
the morning, then rain showers likely in the afternoon. Waves
1 to 3 feet building to 4 to 7 feet in the late morning and
afternoon. Waves occasionally to 10 feet. A gale warning may be
needed.
.TUESDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to
30 knots decreasing to 20 knots in the late evening and
overnight. Rain showers likely in the evening, then chance of
rain showers after midnight. Waves 4 to 6 feet subsiding to 2 to
4 feet after midnight. Waves occasionally to 8 feet.

$$

LSZ142-061615-
Taconite Harbor to Silver Bay Harbor MN-
404 AM CDT Mon May 6 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE
TUESDAY NIGHT...

.TODAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Sunny. Waves 1 to 3 feet.
.TONIGHT...Northeast wind 15 to 20 knots. Partly cloudy. Waves
2 to 4 feet. A small craft advisory may be needed.
.TUESDAY...Northeast wind up to 30 knots. Gusts up to 35 knots in
the late morning and early afternoon. Chance of rain showers in
the morning, then rain showers in the afternoon. Waves 3 to
5 feet building to 8 to 11 feet. Waves occasionally to 14 feet. A
gale warning may be needed.
.TUESDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to
30 knots decreasing to 20 knots. Rain showers in the evening,
then rain showers likely after midnight. Waves 6 to 9 feet
subsiding to 1 to 3 feet. Waves occasionally to 11 feet.

$$

LSZ143-061615-
Silver Bay Harbor to Two Harbors MN-
404 AM CDT Mon May 6 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON
THROUGH LATE TUESDAY NIGHT...

.TODAY...Northeast wind 15 to 20 knots with gusts to around
25 knots. Sunny. Waves 1 to 3 feet building to 2 to 4 feet late
in the afternoon.
.TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots
early in the evening then 25 knots early in the morning. Partly
cloudy. Waves 2 to 4 feet.
.TUESDAY...Northeast wind up to 30 knots. Rain showers likely in
the morning, then rain showers in the afternoon. Waves 4 to
6 feet building to 8 to 11 feet. Waves occasionally to 14 feet.
.TUESDAY NIGHT...Northeast wind 20 to 25 knots with gusts to
around 30 knots easing to 10 to 15 knots with gusts to around
20 knots after midnight. Rain showers in the evening, then rain
showers likely after midnight. Waves 6 to 9 feet subsiding to
1 to 3 feet. Waves occasionally to 12 feet.

$$

LSZ144-145-061615-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
404 AM CDT Mon May 6 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON
THROUGH LATE TUESDAY NIGHT...

.TODAY...Northeast wind 15 to 20 knots with gusts to around
25 knots. Mostly sunny. Waves 1 to 3 feet building to 2 to 4 feet
late in the afternoon.
.TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots in
the evening then 25 knots early in the morning. Partly cloudy.
Waves 2 to 4 feet.
.TUESDAY...Northeast wind up to 30 knots. Gusts up to 30 knots
increasing to 35 knots in the late morning and early afternoon.
Rain showers likely in the morning, then rain showers in the
afternoon. Waves 4 to 6 feet building to 7 to 10 feet in the late
morning and afternoon. Waves occasionally to 14 feet. A gale
warning may be needed.
.TUESDAY NIGHT...Northeast wind 20 to 25 knots with gusts to
around 30 knots easing to 10 to 15 knots with gusts to around
20 knots after midnight. Rain showers and slight chance of
thunderstorms in the evening, then rain showers likely after
midnight. Waves 6 to 9 feet subsiding to 3 to 5 feet. Waves
occasionally to 12 feet.

$$

LSZ146-061615-
Port Wing to Sand Island WI-
404 AM CDT Mon May 6 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON
THROUGH LATE TUESDAY NIGHT...

.TODAY...Northeast wind 15 to 20 knots with gusts to around
25 knots. Sunny. Waves 1 to 3 feet building to 2 to 4 feet late
in the afternoon.
.TONIGHT...East wind 15 to 20 knots. Gusts up to 20 knots early
in the morning. Partly cloudy. Waves 1 to 3 feet.
.TUESDAY...East wind 20 to 25 knots. Chance of rain showers in
the morning, then rain showers in the afternoon. Waves 2 to
4 feet building to 6 to 9 feet in the late morning and afternoon.
Waves occasionally to 11 feet.
.TUESDAY NIGHT...Northeast wind 15 to 20 knots with gusts to
around 25 knots easing to 10 knots early in the morning. Rain
showers in the evening, then rain showers likely after midnight.
Waves 5 to 8 feet subsiding to 1 to 3 feet. Waves occasionally to
10 feet.

$$

LSZ147-061615-
Sand Island to Bayfield WI-
404 AM CDT Mon May 6 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
LATE TUESDAY NIGHT...

.TODAY...East wind 10 to 15 knots with gusts to around 20 knots.
Sunny. Waves 1 to 2 feet.
.TONIGHT...East wind 10 to 15 knots. Gusts up to 20 knots early
in the evening then 20 knots early in the morning. Partly cloudy.
Waves 1 to 3 feet.
.TUESDAY...East wind 20 to 25 knots. Chance of rain showers in
the morning, then rain showers in the afternoon. Waves 1 to
3 feet building to 5 to 8 feet in the late morning and afternoon.
Waves occasionally to 10 feet.
.TUESDAY NIGHT...Northeast wind 15 to 20 knots with gusts to
around 25 knots easing to 5 to 10 knots after midnight. Rain
showers in the evening, then rain showers likely after midnight.
Waves 4 to 6 feet subsiding to 1 to 3 feet. Waves occasionally to
8 feet.

$$

LSZ121-061615-
Chequamegon Bay-Bayfield to Oak Point WI-
404 AM CDT Mon May 6 2024

.TODAY...East wind 5 to 10 knots becoming northeast 10 to
15 knots with gusts to around 20 knots in the afternoon. Sunny.
Waves 1 to 2 feet.
.TONIGHT...East wind 10 to 15 knots. Gusts up to 20 knots in the
evening. Partly cloudy. Waves 1 to 2 feet.
.TUESDAY...East wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. Rain showers
likely in the morning, then rain showers in the afternoon. Waves
1 to 3 feet.
.TUESDAY NIGHT...Northeast wind 5 to 10 knots. Gusts up to
20 knots early in the evening. Rain showers in the evening, then
rain showers likely after midnight. Waves 1 to 2 feet.

$$

LSZ148-061615-
Oak Point to Saxon Harbor WI-
404 AM CDT Mon May 6 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY AFTERNOON...

.TODAY...Southeast wind 5 knots becoming northeast 10 to 15 knots
with gusts to around 20 knots in the late morning and afternoon.
Sunny. Waves 1 to 3 feet.
.TONIGHT...East wind 10 to 15 knots. Gusts up to 20 knots in the
evening. Partly cloudy. Waves 1 to 3 feet.
.TUESDAY...East wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. Chance of rain
showers in the morning, then rain showers in the afternoon. Waves
1 to 3 feet building to 2 to 4 feet in the late morning and
afternoon.
.TUESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots early in the evening. Rain showers in the evening, then
rain showers likely after midnight. Waves 2 to 4 feet subsiding
to 1 to 2 feet after midnight.

$$

LSZ150-061615-
Outer Apostle Islands Beyond 5 NM from Mainland-
404 AM CDT Mon May 6 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
LATE TUESDAY NIGHT...

.TODAY...East wind 5 to 10 knots becoming northeast 10 to
15 knots with gusts to around 20 knots in the afternoon. Sunny.
Waves 1 to 3 feet.
.TONIGHT...East wind 10 to 15 knots. Gusts up to 20 knots in the
evening then 20 knots early in the morning. Partly cloudy. Waves
2 to 4 feet. A small craft advisory may be needed.
.TUESDAY...East wind 20 to 25 knots. Gusts up to 25 knots
increasing to 30 knots in the late morning and early afternoon.
Chance of rain showers in the morning, then rain showers in the
afternoon. Waves 2 to 4 feet building to 7 to 10 feet. Waves
occasionally to 12 feet.
.TUESDAY NIGHT...East wind 15 to 20 knots with gusts to around
25 knots becoming northeast 10 to 15 knots after midnight. Rain
showers in the evening, then rain showers likely after midnight.
Waves 5 to 8 feet subsiding to 4 to 6 feet in the late evening
and overnight. Waves occasionally to 10 feet.

$$

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

JDS