401
FZUS53 KDLH 240300
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1000 PM CDT Thu May 23 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.

LSZ140-141-241015-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
1000 PM CDT Thu May 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT FRIDAY THROUGH
FRIDAY MORNING...
...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to
25 knots toward daybreak. Partly cloudy. Waves 1 foot or less
building to 1 to 3 feet toward daybreak.
.FRIDAY...Northeast wind up to 30 knots with gales to around
40 knots. Rain showers likely and slight chance of thunderstorms
in the afternoon. Waves 3 to 5 feet building to 7 to 10 feet.
Waves occasionally to 13 feet.
.FRIDAY NIGHT...East wind 20 to 25 knots with gales to around
35 knots becoming south 15 to 20 knots with gusts to around
25 knots after midnight, then becoming southwest 10 to 15 knots
with gusts to around 20 knots early in the morning. Rain showers
in the evening. Slight chance of thunderstorms through the night.
Chance of rain showers after midnight. Waves 7 to 10 feet
subsiding to 4 to 6 feet after midnight. Waves occasionally to
13 feet.
.SATURDAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon.
Chance of rain showers in the morning. Waves 3 to 5 feet. A small
craft advisory may be needed.

$$

LSZ142-143-241015-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
1000 PM CDT Thu May 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT FRIDAY THROUGH
FRIDAY MORNING...
...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.REST OF TONIGHT...Northeast wind 10 to 15 knots with gusts to
around 20 knots rising to 20 to 25 knots with gusts to around
30 knots toward daybreak. Partly cloudy late in the evening then
becoming mostly cloudy. Waves 1 to 2 feet building to 3 to 5 feet
toward daybreak.
.FRIDAY...Northeast wind up to 30 knots with gales to around
35 knots. Chance of rain showers in the morning, then rain
showers and slight chance of thunderstorms in the afternoon.
Waves 8 to 11 feet. Waves occasionally to 14 feet.
.FRIDAY NIGHT...Northeast wind 20 to 25 knots with gales to
around 35 knots becoming north 15 to 20 knots with gusts to
around 30 knots late in the evening, then becoming west 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 7 to 10 feet subsiding
to 2 to 4 feet. Waves occasionally to 14 feet.
.SATURDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 to 3 feet.

$$

LSZ145-241015-
Duluth MN to Port Wing WI-
1000 PM CDT Thu May 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT FRIDAY THROUGH
LATE FRIDAY NIGHT...

.REST OF TONIGHT...East wind 5 to 10 knots becoming northeast
20 to 25 knots with gusts to around 30 knots after midnight.
Mostly cloudy. Waves 1 to 3 feet building to 3 to 5 feet toward
daybreak. Waves occasionally to 7 feet.
.FRIDAY...Northeast wind up to 30 knots. Chance of rain showers
in the morning, then rain showers and chance of thunderstorms in
the afternoon. Waves 6 to 9 feet. Waves occasionally to 12 feet.
.FRIDAY NIGHT...Northeast wind 20 to 25 knots becoming west 15 to
20 knots with gusts to around 25 knots in the late evening and
overnight. Rain showers and chance of thunderstorms in the
evening. Waves 6 to 9 feet subsiding to 3 to 5 feet after
midnight. Waves occasionally to 11 feet.
.SATURDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet late
in the afternoon.

$$

LSZ144-241015-
Two Harbors to Duluth MN-
1000 PM CDT Thu May 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT FRIDAY THROUGH
FRIDAY MORNING...
...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.REST OF TONIGHT...Northeast wind 5 to 10 knots rising to 20 to
25 knots with gusts to around 30 knots after midnight. Mostly
cloudy. Waves 1 to 3 feet building to 4 to 6 feet toward
daybreak. Waves occasionally to 7 feet.
.FRIDAY...Northeast wind up to 30 knots with gales to around
35 knots. Chance of rain showers in the morning, then rain
showers and chance of thunderstorms in the afternoon. Waves 7 to
10 feet. Waves occasionally to 12 feet.
.FRIDAY NIGHT...Northeast wind 20 to 25 knots with gusts to
around 30 knots becoming west 15 to 20 knots with gusts to around
25 knots in the late evening and overnight. Rain showers and
chance of thunderstorms in the evening. Waves 6 to 9 feet
subsiding to 3 to 5 feet. Waves occasionally to 12 feet. A small
craft advisory may be needed.
.SATURDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 to 3 feet.

$$

LSZ146-241015-
Port Wing to Sand Island WI-
1000 PM CDT Thu May 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT FRIDAY THROUGH
SATURDAY AFTERNOON...

.REST OF TONIGHT...East wind 15 to 20 knots with gusts to around
25 knots. Partly cloudy late in the evening then becoming mostly
cloudy. Waves 1 to 2 feet building to 2 to 4 feet toward
daybreak.
.FRIDAY...Northeast wind 20 to 25 knots with gusts to around
30 knots. Chance of rain showers in the morning, then rain
showers and chance of thunderstorms in the afternoon. Waves 5 to
8 feet. Waves occasionally to 11 feet.
.FRIDAY NIGHT...Northeast wind 15 to 20 knots with gusts to
around 25 knots becoming west with gusts to around 25 knots in
the late evening and overnight. Rain showers and chance of
thunderstorms in the evening, then rain showers likely after
midnight. Waves 5 to 8 feet subsiding to 3 to 5 feet after
midnight. Waves occasionally to 11 feet.
.SATURDAY...Southwest wind 15 to 20 knots. Sunny. Waves 2 to
4 feet.

$$

LSZ147-241015-
Sand Island to Bayfield WI-
1000 PM CDT Thu May 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT FRIDAY THROUGH
SATURDAY AFTERNOON...

.REST OF TONIGHT...East wind 15 to 20 knots with gusts to around
25 knots. Partly cloudy. Waves 1 to 2 feet building to 2 to
4 feet toward daybreak.
.FRIDAY...East wind 20 to 25 knots with gusts to around 30 knots.
Chance of rain showers in the morning, then rain showers and
chance of thunderstorms in the afternoon. Waves 5 to 8 feet.
Waves occasionally to 10 feet.
.FRIDAY NIGHT...East wind 15 to 20 knots with gusts to around
25 knots becoming south 10 to 15 knots with gusts to around
25 knots late in the evening, then becoming southwest 15 to
20 knots after midnight. Rain showers and chance of thunderstorms
in the evening, then rain showers likely and slight chance of
thunderstorms after midnight. Waves 5 to 8 feet subsiding to 2 to
4 feet after midnight. Waves occasionally to 10 feet.
.SATURDAY...Southwest wind 15 to 20 knots. Sunny. Waves 2 to
4 feet.

$$

LSZ150-241015-
Outer Apostle Islands Beyond 5 NM from Mainland-
1000 PM CDT Thu May 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT FRIDAY THROUGH
SATURDAY AFTERNOON...

.REST OF TONIGHT...East wind 5 to 10 knots rising to 15 to
20 knots with gusts to around 25 knots after midnight. Partly
cloudy. Waves 1 to 3 feet building to 3 to 5 feet toward
daybreak.
.FRIDAY...East wind up to 30 knots. Gusts up to 30 knots
increasing to 35 knots in the afternoon. Slight chance of rain
showers in the morning, then rain showers and chance of
thunderstorms in the afternoon. Waves 7 to 10 feet. Waves
occasionally to 13 feet. A gale warning may be needed.
.FRIDAY NIGHT...East wind 20 to 25 knots with gusts to around
30 knots becoming southwest 15 to 20 knots with gusts to around
25 knots after midnight. Rain showers and chance of thunderstorms
in the evening, then rain showers likely and slight chance of
thunderstorms after midnight. Waves 7 to 10 feet subsiding to
3 to 5 feet. Waves occasionally to 12 feet.
.SATURDAY...Southwest wind 15 to 20 knots. Sunny. Waves 3 to
5 feet.

$$

LSZ121-241015-
Chequamegon Bay-Bayfield to Oak Point WI-
1000 PM CDT Thu May 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT FRIDAY THROUGH
LATE FRIDAY NIGHT...

.REST OF TONIGHT...Northeast wind 5 knots rising to 15 to
20 knots after midnight. Partly cloudy. Waves 1 to 3 feet.
.FRIDAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots in the afternoon. Chance of rain showers
in the morning, then rain showers and chance of thunderstorms in
the afternoon. Waves 1 to 3 feet.
.FRIDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots. Rain showers and chance of thunderstorms in the
evening. Waves 1 to 3 feet.
.SATURDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Sunny. Waves 1 foot or less.

$$

LSZ148-241015-
Oak Point to Saxon Harbor WI-
1000 PM CDT Thu May 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT FRIDAY THROUGH
LATE FRIDAY NIGHT...

.REST OF TONIGHT...East wind 15 to 20 knots. Partly cloudy. Waves
1 foot or less building to 3 to 5 feet. Waves occasionally to
7 feet.
.FRIDAY...East wind 15 to 20 knots with gusts to around 25 knots.
Chance of rain showers in the morning, then rain showers and
chance of thunderstorms in the afternoon. Waves 4 to 6 feet.
Waves occasionally to 8 feet.
.FRIDAY NIGHT...South wind 10 to 15 knots becoming southwest in
the late evening and overnight. Gusts up to 20 knots. Rain
showers and chance of thunderstorms in the evening, then rain
showers likely and slight chance of thunderstorms after midnight.
Waves 4 to 6 feet subsiding to 1 to 3 feet. Waves occasionally to
8 feet.
.SATURDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Sunny. Waves 1 to 2 feet.

$$

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

Unruh