769
FZUS53 KDLH 221145
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
645 AM CDT Wed May 22 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.

LSZ140-141-221615-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
645 AM CDT Wed May 22 2024

...GALE WARNING IN EFFECT THROUGH THIS EVENING...
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...Southwest wind 20 to 25 knots with gales to around
40 knots becoming west 15 to 20 knots with gales to around
40 knots late in the afternoon. Patchy dense fog early in the
morning. Slight chance of thunderstorms early in the morning.
Chance of rain showers through the day. Slight chance of
thunderstorms in the late morning and early afternoon. Waves 5 to
8 feet. Waves occasionally to 11 feet.
.TONIGHT...West wind 15 to 20 knots. Gusts up to 35 knots
decreasing to 30 knots in the late evening and overnight. Chance
of rain showers in the evening. Waves 3 to 5 feet. Waves
occasionally to 7 feet. A gale warning may be needed.
.THURSDAY...West wind 10 to 15 knots. Gusts up to 30 knots
decreasing to 20 knots. Mostly sunny. Waves 1 to 3 feet subsiding
to 1 to 2 feet in the late morning and afternoon.
.THURSDAY NIGHT...West wind 5 to 10 knots becoming northeast
10 to 15 knots early in the morning. Slight chance of rain
showers after midnight. Waves 1 to 3 feet.

$$

LSZ142-143-221615-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
645 AM CDT Wed May 22 2024

...GALE WARNING IN EFFECT THROUGH THIS EVENING...
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...West wind 15 to 20 knots. Gusts up to 30 knots
increasing to 35 knots in the late morning and afternoon. Patchy
dense fog early in the morning. Chance of rain showers through
the day. Slight chance of thunderstorms in the late morning and
early afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet late
in the afternoon. Waves occasionally to 8 feet.
.TONIGHT...West wind 10 to 15 knots. Gusts up to 30 knots
decreasing to 25 knots late in the evening, then decreasing to
20 knots after midnight increasing to 25 knots early in the
morning. Slight chance of rain showers in the evening. Waves 1 to
3 feet.
.THURSDAY...West wind 5 to 10 knots. Gusts up to 25 knots. Mostly
sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...Northeast wind 15 to 20 knots with gusts to
around 25 knots. Slight chance of rain showers through the night.
Waves 1 to 3 feet building to 2 to 4 feet early in the morning. A
small craft advisory may be needed.

$$

LSZ144-145-221615-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
645 AM CDT Wed May 22 2024

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.TODAY...West wind 20 to 25 knots. Gales up to 40 knots
decreasing to 30 knots. Patchy fog early in the morning. Slight
chance of rain showers in the morning. Chance of rain showers in
the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet.
.TONIGHT...West wind 10 to 15 knots. Gusts up to 30 knots
decreasing to 20 knots in the late evening and overnight. Slight
chance of rain showers in the evening. Waves 1 to 3 feet
subsiding to 1 to 2 feet in the late evening and overnight.
.THURSDAY...West wind 5 to 10 knots becoming north late in the
afternoon. Slight chance of rain showers in the afternoon. Waves
1 foot or less.
.THURSDAY NIGHT...Northeast wind 15 to 20 knots with gusts to
around 25 knots. Chance of rain showers and slight chance of
thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet early in
the morning. A small craft advisory may be needed.

$$

LSZ146-221615-
Port Wing to Sand Island WI-
645 AM CDT Wed May 22 2024

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.TODAY...West wind 20 to 25 knots. Gales up to 40 knots
decreasing to 35 knots late in the afternoon. Patchy fog early in
the morning. Slight chance of rain showers in the morning. Chance
of rain showers in the afternoon. Waves 4 to 7 feet. Waves
occasionally to 9 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 30 knots
decreasing to 20 knots. Slight chance of rain showers in the
evening. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the
morning.
.THURSDAY...West wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 to 10 knots late in the afternoon.
Mostly sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...East wind 15 to 20 knots. Slight chance of
showers and thunderstorms through the night. Waves 1 to 3 feet
building to 2 to 4 feet early in the morning. A small craft
advisory may be needed.

$$

LSZ147-221615-
Sand Island to Bayfield WI-
645 AM CDT Wed May 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...
...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.TODAY...West wind 20 to 25 knots. Gales up to 45 knots
decreasing to 35 knots. Patchy fog early in the morning. Slight
chance of rain showers through the day. Slight chance of
thunderstorms in the late morning and early afternoon. Waves 4 to
6 feet. Waves occasionally to 8 feet.
.TONIGHT...West wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 20 knots. Slight chance of rain showers in the
evening. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the
morning.
.THURSDAY...West wind 10 to 15 knots with gusts to around
20 knots easing to 5 to 10 knots in the late morning and
afternoon. Mostly sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...Southeast wind 5 knots becoming east 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. Slight chance of thunderstorms in the evening. Slight
chance of rain showers through the night. Waves 1 to 3 feet
building to 2 to 4 feet early in the morning. A small craft
advisory may be needed.

$$

LSZ150-221615-
Outer Apostle Islands Beyond 5 NM from Mainland-
645 AM CDT Wed May 22 2024

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.TODAY...Southwest wind up to 30 knots. Gales up to 45 knots
decreasing to 40 knots in the afternoon. Patchy fog early in the
morning. Slight chance of rain showers through the day. Slight
chance of thunderstorms in the late morning and early afternoon.
Waves 4 to 7 feet. Waves occasionally to 9 feet.
.TONIGHT...West wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots in the late evening and overnight. Slight
chance of rain showers in the evening. Waves 2 to 4 feet. A small
craft advisory may be needed.
.THURSDAY...West wind 10 to 15 knots. Gusts up to 20 knots in the
morning. Mostly sunny. Waves 1 to 3 feet.
.THURSDAY NIGHT...Southeast wind 5 to 10 knots becoming northeast
10 to 15 knots with gusts to around 20 knots in the late evening
and overnight. Slight chance of thunderstorms in the evening.
Slight chance of rain showers through the night. Waves 1 foot or
less building to 3 to 5 feet after midnight. Waves occasionally
to 7 feet. A small craft advisory may be needed.

$$

LSZ121-221615-
Chequamegon Bay-Bayfield to Oak Point WI-
645 AM CDT Wed May 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...
...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.TODAY...West wind 20 to 25 knots with gales to around 35 knots.
Patchy fog early in the morning. Slight chance of rain showers
through the day. Waves 1 to 3 feet.
.TONIGHT...West wind 10 to 15 knots with gusts to around 30 knots
becoming southwest 5 to 10 knots with gusts to around 20 knots
after midnight. Slight chance of rain showers in the evening.
Waves 1 to 2 feet.
.THURSDAY...West wind 5 to 10 knots becoming north late in the
afternoon. Mostly sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots with gusts to
around 20 knots. Slight chance of showers and thunderstorms
through the night. Waves 1 to 2 feet.

$$

LSZ148-221615-
Oak Point to Saxon Harbor WI-
645 AM CDT Wed May 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...
...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.TODAY...Southwest wind 20 to 25 knots. Gales up to 40 knots
decreasing to 35 knots in the late morning and afternoon. Patchy
fog early in the morning. Slight chance of rain showers through
the day. Slight chance of thunderstorms in the late morning and
early afternoon. Waves 2 to 4 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Slight chance of rain
showers in the evening. Waves 1 to 3 feet.
.THURSDAY...West wind 5 to 10 knots becoming northeast late in
the afternoon. Mostly sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots with gusts to
around 20 knots. Slight chance of showers and thunderstorms
through the night. Waves 1 to 2 feet building to 2 to 4 feet
early in the morning.

$$

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

KML