508
FZUS53 KDLH 241356
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
856 AM CDT Fri May 24 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.

LSZ140-141-242215-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
856 AM CDT Fri May 24 2024

...GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.REST OF TODAY...East wind up to 30 knots. Gales up to 40 knots.
Chance of rain showers early in the afternoon. Rain showers
likely and slight chance of thunderstorms late. Waves 2 to 4 feet
building to 8 to 11 feet. Waves occasionally to 14 feet.
.TONIGHT...Northeast wind up to 30 knots with gales to around
35 knots becoming east 15 to 20 knots with gusts to around
30 knots late in the evening, then becoming southwest 10 to
15 knots with gusts to around 25 knots after midnight. 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 14 feet. A gale warning may be needed.
.SATURDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. Mostly sunny.
Waves 4 to 6 feet. Waves occasionally to 7 feet. A small craft
advisory may be needed.
.SATURDAY NIGHT...Southwest wind 5 to 10 knots becoming south
late in the evening, then becoming southwest after midnight
becoming northwest early in the morning. Chance of rain showers
in the evening. Slight chance of thunderstorms through the night.
Slight chance of rain showers after midnight. Waves 1 to 3 feet.

$$

LSZ142-143-242215-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
856 AM CDT Fri May 24 2024

...GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.REST OF TODAY...Northeast wind up to 30 knots. Gusts up to
30 knots increasing to 35 knots in the late morning and
afternoon. Chance of rain showers and slight chance of
thunderstorms early in the afternoon. Rain showers and chance of
thunderstorms late. Waves 8 to 11 feet. Waves occasionally to
15 feet.
.TONIGHT...Northeast wind 20 to 25 knots with gales to around
35 knots becoming southwest 10 to 15 knots with gusts to around
25 knots after midnight. Rain showers likely and chance of
thunderstorms in the evening, then slight chance of rain showers
after midnight. Waves 8 to 11 feet subsiding to 4 to 6 feet.
Waves occasionally to 15 feet. A gale warning may be needed.
.SATURDAY...Southwest wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots in the late morning and afternoon. Mostly
sunny. Waves 2 to 4 feet.
.SATURDAY NIGHT...Southwest wind 5 to 10 knots becoming north
early in the morning. Chance of thunderstorms in the evening.
Chance of rain showers through the night. Slight chance of
thunderstorms after midnight. Waves 1 to 2 feet.

$$

LSZ144-145-242215-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
856 AM CDT Fri May 24 2024

...GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.REST OF TODAY...Northeast wind up to 30 knots with gales to
around 35 knots. Slight chance of rain showers early in the
morning, then rain showers and chance of thunderstorms in the
afternoon. Waves 7 to 10 feet. Waves occasionally to 13 feet.
.TONIGHT...Northeast wind 20 to 25 knots with gusts to around
30 knots becoming southwest 10 to 15 knots with gusts to around
25 knots in the late evening and overnight. Rain showers likely
and chance of thunderstorms in the evening. Waves 7 to 10 feet
subsiding to 3 to 5 feet. Waves occasionally to 13 feet. A small
craft advisory may be needed.
.SATURDAY...Southwest wind 10 to 15 knots with gusts to around
25 knots easing to 10 knots with gusts to around 20 knots late in
the afternoon. Mostly sunny. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon.
.SATURDAY NIGHT...Southwest wind 5 to 10 knots becoming east
early in the morning. Chance of thunderstorms in the evening.
Chance of rain showers through the night. Slight chance of
thunderstorms after midnight. Waves 1 to 2 feet.

$$

LSZ146-242215-
Port Wing to Sand Island WI-
856 AM CDT Fri May 24 2024

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

.REST OF TODAY...Northeast wind 20 to 25 knots with gusts to
around 30 knots. Slight chance of rain showers early in the
morning, then rain showers and chance of thunderstorms in the
afternoon. Waves 6 to 9 feet. Waves occasionally to 12 feet.
.TONIGHT...Northeast wind 15 to 20 knots with gusts to around
25 knots becoming southwest with gusts to around 30 knots in the
late evening and overnight. Rain showers likely and chance of
thunderstorms in the evening. Waves 6 to 9 feet subsiding to 3 to
5 feet. Waves occasionally to 12 feet.
.SATURDAY...Southwest wind 15 to 20 knots with gusts to around
25 knots easing to 10 knots with gusts to around 20 knots late in
the afternoon. Mostly sunny. Waves 3 to 5 feet subsiding to 1 to
3 feet in the afternoon.
.SATURDAY NIGHT...Southwest wind 5 to 10 knots becoming south
early in the morning. Chance of rain showers and slight chance of
thunderstorms through the night. Waves 1 to 2 feet.

$$

LSZ147-242215-
Sand Island to Bayfield WI-
856 AM CDT Fri May 24 2024

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

.REST OF TODAY...Northeast wind 20 to 25 knots with gusts to
around 30 knots. Chance of rain showers and slight chance of
thunderstorms early in the afternoon. Rain showers and chance of
thunderstorms late. Waves 6 to 9 feet. Waves occasionally to
12 feet.
.TONIGHT...East wind 15 to 20 knots with gusts to around 25 knots
becoming southwest with gusts to around 25 knots in the late
evening and overnight. Rain showers likely and chance of
thunderstorms in the evening, then slight chance of rain showers
after midnight. Waves 6 to 9 feet subsiding to 3 to 5 feet. Waves
occasionally to 11 feet.
.SATURDAY...Southwest wind 15 to 20 knots with gusts to around
25 knots easing to 10 knots late in the afternoon. Mostly sunny.
Waves 3 to 5 feet subsiding to 1 to 3 feet in the afternoon.
.SATURDAY NIGHT...Southwest wind 5 to 10 knots. Chance of rain
showers and slight chance of thunderstorms through the night.
Waves 1 to 2 feet.

$$

LSZ150-242215-
Outer Apostle Islands Beyond 5 NM from Mainland-
856 AM CDT Fri May 24 2024

...GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.REST OF TODAY...East wind up to 30 knots. Gusts up to 30 knots
increasing to 35 knots in the afternoon. Chance of rain showers
and slight chance of thunderstorms early in the afternoon. Rain
showers and chance of thunderstorms late. Waves 5 to 8 feet
building to 8 to 11 feet in the afternoon. Waves occasionally to
15 feet.
.TONIGHT...East wind 20 to 25 knots with gusts to around 30 knots
becoming south 15 to 20 knots late in the evening, then becoming
southwest with gusts to around 30 knots after midnight. Rain
showers likely and chance of thunderstorms in the evening, then
slight chance of rain showers after midnight. Waves 8 to 11 feet
subsiding to 4 to 6 feet. Waves occasionally to 14 feet. A small
craft advisory may be needed.
.SATURDAY...Southwest wind 15 to 20 knots with gusts to around
25 knots easing to 10 knots late in the afternoon. Mostly sunny.
Waves 4 to 6 feet subsiding to 1 to 2 feet. Waves occasionally to
7 feet. A small craft advisory may be needed.
.SATURDAY NIGHT...Southwest wind 5 to 10 knots. Chance of rain
showers and slight chance of thunderstorms through the night.
Waves 1 to 2 feet.

$$

LSZ121-242215-
Chequamegon Bay-Bayfield to Oak Point WI-
856 AM CDT Fri May 24 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Northeast wind 15 to 20 knots. Slight chance of
rain showers early in the morning, then rain showers and chance
of thunderstorms in the afternoon. Waves 1 to 3 feet.
.TONIGHT...East wind 10 to 15 knots becoming southwest with gusts
to around 20 knots late in the evening, then rising to 10 to
15 knots with gusts to around 20 knots after midnight. Rain
showers likely and chance of thunderstorms in the evening, then
slight chance of rain showers after midnight. Waves 1 to 3 feet.
.SATURDAY...Southwest wind 10 to 15 knots easing to 5 to 10 knots
in the afternoon. Gusts up to 20 knots. Mostly sunny. Waves
1 foot or less.
.SATURDAY NIGHT...Southwest wind 5 to 10 knots. Chance of rain
showers and slight chance of thunderstorms through the night.
Waves 1 foot or less.

$$

LSZ148-242215-
Oak Point to Saxon Harbor WI-
856 AM CDT Fri May 24 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Northeast wind 10 to 15 knots becoming east
20 to 25 knots in the late morning and afternoon. Chance of rain
showers early in the afternoon. Chance of thunderstorms in the
afternoon. Rain showers late. Waves 4 to 6 feet. Waves
occasionally to 8 feet.
.TONIGHT...Southeast wind 10 to 15 knots with gusts to around
20 knots becoming southwest with gusts to around 25 knots in the
late evening and overnight. Rain showers likely and chance of
thunderstorms in the evening, then slight chance of rain showers
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
25 knots easing to 5 to 10 knots with gusts to around 20 knots in
the afternoon. Mostly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...Southwest wind 5 to 10 knots becoming south
early in the morning. Chance of rain showers in the evening.
Slight chance of thunderstorms through the night. Slight chance
of rain showers after midnight. Waves 1 foot or less.

$$

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

NLy