Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 290800
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
300 AM CDT Mon Apr 29 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.

LSZ140-141-291630-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
300 AM CDT Mon Apr 29 2024

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...Northeast wind up to 30 knots. Gales up to 40 knots
decreasing to 35 knots in the late morning and afternoon. Rain
showers and snow showers early in the morning, then chance of
rain showers in the late morning and early afternoon. Rain
showers late in the afternoon. Waves 8 to 13 feet subsiding to
7 to 10 feet late in the afternoon. Waves occasionally to
17 feet.
.TONIGHT...Northeast wind 15 to 20 knots with gusts to around
30 knots becoming northwest 10 to 15 knots with gusts to around
20 knots after midnight. Chance of rain showers in the evening.
Waves 5 to 8 feet subsiding to 3 to 5 feet after midnight. Waves
occasionally to 10 feet. A small craft advisory may be needed.
.TUESDAY...West wind 5 to 10 knots becoming southwest in the
afternoon. Mostly cloudy in the morning then becoming mostly
sunny. Waves 1 to 3 feet subsiding to 1 to 2 feet late in the
morning, then building to 1 to 3 feet in the afternoon.
.TUESDAY NIGHT...Southeast wind 5 to 10 knots becoming east late
in the evening, then rising to 15 to 20 knots with gusts to
around 25 knots after midnight. Chance of rain showers in the
evening, then rain showers after midnight. Waves 1 to 3 feet.

$$

LSZ143-291630-
Silver Bay Harbor to Two Harbors MN-
300 AM CDT Mon Apr 29 2024

...GALE WARNING IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...Northeast wind up to 30 knots. Gusts up to 35 knots
decreasing to 30 knots late in the afternoon. Slight chance of
rain showers early in the morning, then rain showers likely late
in the morning. Rain showers in the afternoon. Waves 9 to 14 feet
subsiding to 8 to 11 feet late in the afternoon. Waves
occasionally to 18 feet.
.TONIGHT...Northeast wind 15 to 20 knots with gusts to around
25 knots becoming north 5 to 10 knots late in the evening, then
becoming west after midnight. Chance of rain showers in the
evening. Waves 5 to 8 feet subsiding to 2 to 4 feet. Waves
occasionally to 11 feet. A small craft advisory may be needed.
.TUESDAY...West wind 5 to 10 knots becoming south in the
afternoon. Partly sunny. Waves 1 to 3 feet.
.TUESDAY NIGHT...East wind 15 to 20 knots with gusts to around
25 knots becoming northeast with gusts to around 25 knots early
in the morning. Rain showers through the night. Waves 1 to
3 feet.

$$

LSZ142-291630-
Taconite Harbor to Silver Bay Harbor MN-
300 AM CDT Mon Apr 29 2024

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...Northeast wind up to 30 knots. Gales up to 40 knots
decreasing to 35 knots in the late morning and afternoon. Chance
of rain showers until late afternoon, then rain showers late in
the afternoon. Waves 9 to 14 feet subsiding to 8 to 11 feet late
in the afternoon. Waves occasionally to 18 feet.
.TONIGHT...Northeast wind 15 to 20 knots with gusts to around
30 knots becoming north 5 to 10 knots late in the evening, then
becoming west after midnight. Rain showers likely in the evening.
Waves 5 to 8 feet subsiding to 2 to 4 feet. Waves occasionally to
11 feet. A small craft advisory may be needed.
.TUESDAY...West wind 5 to 10 knots becoming south in the
afternoon. Partly sunny. Waves 1 to 3 feet.
.TUESDAY NIGHT...East wind 10 to 15 knots with gusts to around
25 knots becoming northeast 5 to 15 knots with gusts to around
25 knots early in the morning. Rain showers likely in the
evening, then rain showers after midnight. Waves 1 to 3 feet.

$$

LSZ144-145-291630-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
300 AM CDT Mon Apr 29 2024

...GALE WARNING IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...Northeast wind up to 30 knots. Gusts up to 35 knots
decreasing to 30 knots in the afternoon. Slight chance of rain
showers early in the morning, then rain showers likely late in
the morning. Rain showers in the afternoon. Waves 8 to 13 feet
subsiding to 7 to 10 feet late in the afternoon. Waves
occasionally to 17 feet.
.TONIGHT...Northeast wind 15 to 20 knots with gusts to around
25 knots becoming northwest 5 to 10 knots late in the evening,
then becoming west after midnight. Chance of rain showers in the
evening. Waves 5 to 8 feet subsiding to 2 to 4 feet after
midnight. Waves occasionally to 10 feet. A small craft advisory
may be needed.
.TUESDAY...Southwest wind 5 to 10 knots becoming east late in the
afternoon. Partly sunny. Waves 1 to 3 feet.
.TUESDAY NIGHT...East wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late evening and early morning.
Rain showers through the night. Waves 2 to 4 feet subsiding to
1 to 3 feet early in the morning. A small craft advisory may be
needed.

$$

LSZ146-291630-
Port Wing to Sand Island WI-
300 AM CDT Mon Apr 29 2024

...GALE WARNING IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...Northeast wind 20 to 25 knots. Gusts up to 35 knots
decreasing to 25 knots. Slight chance of rain showers early in
the morning, then rain showers in the late morning and afternoon.
Waves 8 to 11 feet subsiding to 6 to 9 feet late in the
afternoon. Waves occasionally to 15 feet.
.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots after midnight. Chance of
rain showers in the evening. Waves 4 to 7 feet subsiding to 2 to
4 feet after midnight. Waves occasionally to 9 feet. A small
craft advisory may be needed.
.TUESDAY...West wind 5 to 10 knots becoming east late in the
afternoon. Mostly sunny. Waves 1 to 3 feet.
.TUESDAY NIGHT...East wind 10 to 15 knots. Gusts up to 20 knots
after midnight. Rain showers through the night. Waves 1 to
2 feet.

$$

LSZ147-291630-
Sand Island to Bayfield WI-
300 AM CDT Mon Apr 29 2024

...GALE WARNING IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...Northeast wind 20 to 25 knots. Gusts up to 35 knots
decreasing to 25 knots. Slight chance of rain showers early in
the morning, then rain showers likely in the late morning and
early afternoon. Rain showers late in the afternoon. Waves 8 to
11 feet subsiding to 6 to 9 feet late in the afternoon. Waves
occasionally to 15 feet.
.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots after midnight. Chance of
rain showers in the evening. Waves 4 to 7 feet subsiding to 2 to
4 feet after midnight. Waves occasionally to 9 feet. A small
craft advisory may be needed.
.TUESDAY...West wind 5 to 10 knots becoming east late in the
afternoon. Mostly sunny. Waves 1 to 3 feet.
.TUESDAY NIGHT...East wind 10 to 15 knots with gusts to around
20 knots becoming southeast with gusts to around 20 knots early
in the morning. Rain showers likely in the evening, then rain
showers after midnight. Waves 1 to 2 feet.

$$

LSZ121-291630-
Chequamegon Bay-Bayfield to Oak Point WI-
300 AM CDT Mon Apr 29 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots in the late morning and afternoon. Chance
of rain showers early in the morning, then rain showers late in
the morning. Rain showers likely in the afternoon. Waves 8 to
11 feet subsiding to 5 to 8 feet late in the afternoon. Waves
occasionally to 14 feet.
.TONIGHT...North wind 5 to 10 knots becoming west early in the
morning. Chance of rain showers in the evening. Waves 1 to
2 feet.
.TUESDAY...West wind 5 to 10 knots becoming east late in the
afternoon. Partly sunny. Waves 1 foot or less.
.TUESDAY NIGHT...East wind 5 to 10 knots becoming south with
gusts to around 20 knots early in the morning. Rain showers
through the night. Waves 1 to 2 feet.

$$

LSZ148-291630-
Oak Point to Saxon Harbor WI-
300 AM CDT Mon Apr 29 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots in the late morning and afternoon. Rain
showers in the morning, then rain showers likely and slight
chance of thunderstorms in the afternoon. Waves 8 to 11 feet
subsiding to 5 to 8 feet late in the afternoon. Waves
occasionally to 14 feet.
.TONIGHT...North wind 10 to 15 knots becoming west 5 to 10 knots
in the late evening and overnight. Chance of rain showers in the
evening. Waves 4 to 7 feet subsiding to 2 to 4 feet after
midnight. Waves occasionally to 9 feet. A small craft advisory
may be needed.
.TUESDAY...West wind 5 to 10 knots becoming east late in the
afternoon. Partly sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...East wind 5 to 10 knots becoming south 10 to
15 knots with gusts to around 20 knots early in the morning. Rain
showers likely in the evening, then rain showers after midnight.
Waves 1 to 2 feet.

$$

LSZ150-291630-
Outer Apostle Islands Beyond 5 NM from Mainland-
300 AM CDT Mon Apr 29 2024

...GALE WARNING IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...Northeast wind up to 30 knots. Gusts up to 35 knots
decreasing to 30 knots late in the afternoon. Rain showers likely
in the morning, then rain showers and slight chance of
thunderstorms in the afternoon. Waves 9 to 14 feet subsiding to
8 to 11 feet late in the afternoon. Waves occasionally to
18 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 late in the evening, then becoming west 5 to 10 knots
after midnight. Chance of rain showers and slight chance of
thunderstorms in the evening. Waves 5 to 8 feet subsiding to 3 to
5 feet after midnight. Waves occasionally to 11 feet. A small
craft advisory may be needed.
.TUESDAY...West wind 5 to 10 knots becoming southeast late in the
afternoon. Partly sunny in the morning then clearing. Waves 1 to
3 feet.
.TUESDAY NIGHT...East wind 10 to 15 knots with gusts to around
20 knots becoming southeast with gusts to around 20 knots early
in the morning. Rain showers likely in the evening, then rain
showers after midnight. Waves 1 to 2 feet building to 1 to 3 feet
after midnight.

$$

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

Wolfe