Nearshore Marine Forecast
Issued by NWS Duluth, MN

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739
FZUS53 KDLH 290650
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
150 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.

LSZ140-141-290915-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
150 AM CDT Mon Apr 29 2024

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

.Rest of Tonight...Northeast wind up to 30 knots with gales to
around 40 knots. Slight chance of light sleet after midnight.
Rain showers through the night. Slight chance of snow showers
early in the morning. Waves 8 to 13 feet. Waves occasionally to
17 feet.
.MONDAY...Northeast wind up to 30 knots. Gales up to 40 knots
decreasing to 35 knots in the late morning and afternoon. Snow
showers in the morning. Chance of rain showers through the day.
Waves 8 to 13 feet subsiding to 7 to 10 feet late in the
afternoon. Waves occasionally to 17 feet.
.MONDAY NIGHT...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.

$$

LSZ143-290915-
Silver Bay Harbor to Two Harbors MN-
150 AM CDT Mon Apr 29 2024

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

.Rest of Tonight...Northeast wind up to 30 knots. Gales up to
40 knots decreasing to 35 knots early in the morning. Rain
showers after midnight, then rain showers likely early in the
morning. Waves 9 to 14 feet. Waves occasionally to 18 feet.
.MONDAY...Northeast wind up to 30 knots. Gusts up to 35 knots
decreasing to 30 knots late in the afternoon. Slight chance of
rain showers in the morning, then 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.
.MONDAY NIGHT...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.

$$

LSZ142-290915-
Taconite Harbor to Silver Bay Harbor MN-
150 AM CDT Mon Apr 29 2024

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

.Rest of Tonight...Northeast wind up to 30 knots. Gusts up to
35 knots increasing to 40 knots early in the morning. Rain
showers through the night. Slight chance of snow showers early in
the morning. Waves 9 to 14 feet. Waves occasionally to 18 feet.
.MONDAY...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 in the morning, then 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.
.MONDAY NIGHT...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.

$$

LSZ144-145-290915-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
150 AM CDT Mon Apr 29 2024

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

.Rest of Tonight...Northeast wind up to 30 knots. Gales up to
40 knots decreasing to 35 knots early in the morning. Rain
showers likely after midnight, then chance of rain showers early
in the morning. Waves 8 to 13 feet. Waves occasionally to
17 feet.
.MONDAY...Northeast wind up to 30 knots. Gusts up to 35 knots
decreasing to 30 knots in the afternoon. Rain showers likely in
the morning, then 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.
.MONDAY NIGHT...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.

$$

LSZ146-290915-
Port Wing to Sand Island WI-
150 AM CDT Mon Apr 29 2024

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

.Rest of Tonight...Northeast wind 20 to 25 knots with gales to
around 35 knots. Rain showers likely after midnight, then chance
of rain showers early in the morning. Waves 8 to 11 feet. Waves
occasionally to 15 feet.
.MONDAY...Northeast wind 20 to 25 knots. Gusts up to 35 knots
decreasing to 25 knots. Slight chance of rain showers in the
morning, then rain showers in the afternoon. Waves 8 to 11 feet
subsiding to 6 to 9 feet late in the afternoon. Waves
occasionally to 15 feet.
.MONDAY NIGHT...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.

$$

LSZ147-290915-
Sand Island to Bayfield WI-
150 AM CDT Mon Apr 29 2024

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

.Rest of Tonight...Northeast wind up to 30 knots with gales to
around 35 knots. Rain showers likely after midnight, then chance
of rain showers early in the morning. Waves 8 to 11 feet. Waves
occasionally to 15 feet.
.MONDAY...Northeast wind 20 to 25 knots. Gusts up to 35 knots
decreasing to 25 knots. Rain showers likely in the morning, then
rain showers in the afternoon. Waves 8 to 11 feet subsiding to
6 to 9 feet late in the afternoon. Waves occasionally to 15 feet.
.MONDAY NIGHT...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.

$$

LSZ121-290915-
Chequamegon Bay-Bayfield to Oak Point WI-
150 AM CDT Mon Apr 29 2024

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

.Rest of Tonight...Northeast wind 20 to 25 knots with gusts to
around 30 knots. Chance of rain showers. Waves 8 to 11 feet.
Waves occasionally to 14 feet.
.MONDAY...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 in the
afternoon. Waves 8 to 11 feet subsiding to 5 to 8 feet late in
the afternoon. Waves occasionally to 14 feet.
.MONDAY NIGHT...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.

$$

LSZ148-290915-
Oak Point to Saxon Harbor WI-
150 AM CDT Mon Apr 29 2024

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

.Rest of Tonight...Northeast wind 20 to 25 knots with gusts to
around 30 knots. Chance of rain showers. Waves 8 to 11 feet.
Waves occasionally to 14 feet.
.MONDAY...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 chance of rain showers in the
afternoon. Waves 8 to 11 feet subsiding to 5 to 8 feet late in
the afternoon. Waves occasionally to 14 feet.
.MONDAY NIGHT...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.

$$

LSZ150-290915-
Outer Apostle Islands Beyond 5 NM from Mainland-
150 AM CDT Mon Apr 29 2024

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

.Rest of Tonight...Northeast wind up to 30 knots with gales to
around 35 knots. Rain showers after midnight, then chance of rain
showers early in the morning. Waves 9 to 14 feet. Waves
occasionally to 18 feet.
.MONDAY...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.
.MONDAY 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 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.

$$

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

Wolfe