Text Products for NSH Issued by DLH

Nearshore Marine Forecast
Issued by NWS Duluth, MN
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FZUS53 KDLH 151459
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
959 AM CDT Mon Apr 15 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.

LSZ140-141-152215-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
959 AM CDT Mon Apr 15 2024

...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
AFTERNOON...

.REST OF TODAY...Northwest wind 5 to 10 knots becoming southwest
with gusts to around 20 knots in the afternoon. Sunny. Waves
1 foot or less.
.TONIGHT...South wind 5 to 10 knots becoming northeast in the
late evening and early morning, then rising to 10 to 15 knots
early in the morning. Partly cloudy. Waves 1 to 2 feet.
.TUESDAY...East wind up to 30 knots with gales to around
40 knots. Mostly sunny. Waves 4 to 7 feet building to 7 to
10 feet late in the afternoon. Waves occasionally to 13 feet. A
gale warning may be needed.
.TUESDAY NIGHT...East gales to 35 knots easing to up to 30 knots
in the late evening and overnight. Gales up to 40 knots. Chance
of rain showers in the evening, then rain showers after midnight.
Waves 7 to 12 feet. Waves occasionally to 15 feet. A gale warning
may be needed.

$$

LSZ142-143-152215-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
959 AM CDT Mon Apr 15 2024

...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
AFTERNOON...

.REST OF TODAY...West wind 5 to 10 knots becoming south in the
afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots becoming northeast 15 to
20 knots in the late evening and overnight. Partly cloudy. Waves
1 to 3 feet.
.TUESDAY...Northeast wind up to 30 knots with gales to around
40 knots. Partly sunny. Waves 4 to 6 feet building to 7 to
12 feet. Waves occasionally to 15 feet. A gale warning may be
needed.
.TUESDAY NIGHT...Northeast gales to 35 knots easing to up to
30 knots early in the morning. Gales up to 40 knots. Rain
showers. Waves 9 to 14 feet subsiding to 7 to 12 feet early in
the morning. Waves occasionally to 18 feet. A gale warning may be
needed.

$$

LSZ144-145-152215-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
959 AM CDT Mon Apr 15 2024

...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
AFTERNOON...

.REST OF TODAY...West wind 5 knots becoming southeast in the
afternoon. Sunny in the late morning and early afternoon then
becoming partly sunny. Waves 1 foot or less.
.TONIGHT...Northeast wind 15 to 20 knots. Mostly cloudy. Waves
1 to 2 feet building to 1 to 3 feet early in the morning.
.TUESDAY...Northeast wind up to 30 knots with gales to around
35 knots rising to gales to 35 knots with gales to around
40 knots late in the afternoon. Partly sunny. Waves 4 to 6 feet
building to 7 to 12 feet. Waves occasionally to 15 feet. A gale
warning may be needed.
.TUESDAY NIGHT...Northeast gales to 35 knots easing to up to
30 knots in the late evening and overnight. Gales up to 40 knots.
Rain showers. Waves 8 to 13 feet. Waves occasionally to 17 feet.
A gale warning may be needed.

$$

LSZ146-152215-
Port Wing to Sand Island WI-
959 AM CDT Mon Apr 15 2024

...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
AFTERNOON...

.REST OF TODAY...West wind 5 to 10 knots becoming southeast late.
Mostly sunny. Waves 1 foot or less.
.TONIGHT...East wind 10 to 15 knots. Gusts up to 20 knots early
in the morning. Mostly cloudy. Waves 1 to 2 feet.
.TUESDAY...East wind up to 30 knots with gales to around
40 knots. Partly sunny. Waves 3 to 5 feet building to 8 to
11 feet. Waves occasionally to 14 feet. A gale warning may be
needed.
.TUESDAY NIGHT...East wind up to 30 knots. Gales up to 40 knots
decreasing to 35 knots in the late evening and overnight. Rain
showers. Waves 7 to 12 feet subsiding to 7 to 10 feet after
midnight. Waves occasionally to 15 feet. A gale warning may be
needed.

$$

LSZ147-152215-
Sand Island to Bayfield WI-
959 AM CDT Mon Apr 15 2024

...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
AFTERNOON...

.REST OF TODAY...West wind 5 to 10 knots becoming southeast late.
Sunny. Waves 1 foot or less.
.TONIGHT...Southeast wind 5 to 10 knots becoming east 10 to
15 knots with gusts to around 20 knots after midnight. Partly
cloudy. Waves 1 to 2 feet.
.TUESDAY...East wind 15 to 20 knots with gusts to around 25 knots
becoming northeast up to 30 knots with gales to around 40 knots
in the afternoon. Partly sunny. Waves 2 to 4 feet building to
7 to 10 feet. Waves occasionally to 13 feet. A gale warning may
be needed.
.TUESDAY NIGHT...East wind up to 30 knots. Gales up to 40 knots
decreasing to 30 knots. Rain showers through the night. Waves
8 to 11 feet subsiding to 6 to 9 feet after midnight. Waves
occasionally to 14 feet. A gale warning may be needed.

$$

LSZ121-152215-
Chequamegon Bay-Bayfield to Oak Point WI-
959 AM CDT Mon Apr 15 2024

.REST OF TODAY...North wind 5 to 10 knots becoming northeast in
the afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots. Mostly cloudy in the evening
then becoming partly cloudy. Waves 1 foot or less.
.TUESDAY...Northeast wind 20 to 25 knots with gales to around
35 knots. Partly sunny. Waves 1 to 3 feet building to 3 to 5 feet
in the afternoon. A gale warning may be needed.
.TUESDAY NIGHT...Northeast wind 20 to 25 knots with gales to
around 35 knots becoming east 10 to 15 knots with gusts to around
25 knots early in the morning. Rain showers. Waves 3 to 5 feet
subsiding to 1 to 3 feet early in the morning. A gale warning may
be needed.

$$

LSZ148-152215-
Oak Point to Saxon Harbor WI-
959 AM CDT Mon Apr 15 2024

.REST OF TODAY...Northwest wind 10 to 15 knots becoming northeast
5 knots early in the afternoon, then becoming east late. Sunny.
Waves 1 foot or less.
.TONIGHT...East wind 10 to 15 knots. Mostly cloudy in the evening
then becoming partly cloudy. Waves 1 to 2 feet.
.TUESDAY...East wind 20 to 25 knots with gales to around
35 knots. Partly sunny. Waves 1 to 3 feet building to 6 to
9 feet. Waves occasionally to 12 feet. A gale warning may be
needed.
.TUESDAY NIGHT...East wind 20 to 25 knots. Gusts up to 35 knots
decreasing to 25 knots. Rain showers through the night. Waves
7 to 10 feet subsiding to 4 to 7 feet after midnight. Waves
occasionally to 12 feet. A gale warning may be needed.

$$

LSZ150-152215-
Outer Apostle Islands Beyond 5 NM from Mainland-
959 AM CDT Mon Apr 15 2024

...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
AFTERNOON...

.REST OF TODAY...West wind 5 to 10 knots becoming south late.
Sunny. Waves 1 foot or less.
.TONIGHT...Southeast wind 5 to 10 knots becoming east 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. Partly cloudy. Waves 1 to 2 feet.
.TUESDAY...East wind up to 30 knots with gales to around 35 knots
becoming northeast gales to 35 knots with gales to around
40 knots late in the afternoon. Partly sunny. Waves 3 to 5 feet
building to 8 to 11 feet. Waves occasionally to 15 feet. A gale
warning may be needed.
.TUESDAY NIGHT...East gales to 35 knots with gales to around
40 knots easing to up to 30 knots with gales to around 35 knots
in the late evening and overnight. Rain showers through the
night. Waves 8 to 13 feet subsiding to 8 to 11 feet after
midnight. Waves occasionally to 17 feet. A gale warning may be
needed.

$$

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

Huyck
National Weather Service Regional Headquarters
