577
FZUS53 KDLH 012307
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
607 PM CDT Wed May 1 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.

LSZ140-141-020415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
607 PM CDT Wed May 1 2024

.TONIGHT...West wind 5 to 10 knots with gusts to around 20 knots
becoming northwest after midnight. Mostly cloudy early in the
evening then becoming partly cloudy. Waves 1 to 3 feet.
.THURSDAY...North wind 5 to 10 knots becoming east 15 to 20 knots
in the late morning and afternoon. Chance of rain showers in the
afternoon. Waves 1 to 2 feet building to 1 to 3 feet late in the
afternoon.
.THURSDAY NIGHT...East wind 20 to 25 knots easing to 10 to
15 knots early in the morning. Gusts up to 30 knots after
midnight decreasing to 25 knots. Rain showers. Waves 4 to 6 feet.
Waves occasionally to 8 feet. A small craft advisory may be
needed.
.FRIDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots.
Rain showers likely in the morning. Waves 2 to 4 feet. A small
craft advisory may be needed.

$$

LSZ142-143-020415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
607 PM CDT Wed May 1 2024

.TONIGHT...West wind 5 to 10 knots with gusts to around 20 knots
becoming north late in the night. Partly cloudy until early
morning then becoming mostly cloudy. Waves 1 to 3 feet.
.THURSDAY...Northeast wind 10 to 15 knots with gusts to around
20 knots rising to 20 to 25 knots in the afternoon. Chance of
rain showers in the morning, then rain showers likely in the
afternoon. Waves 1 to 2 feet building to 3 to 5 feet in the
afternoon. Waves occasionally to 7 feet. A small craft advisory
may be needed.
.THURSDAY NIGHT...Northeast wind 20 to 25 knots becoming east
10 to 15 knots with gusts to around 20 knots early in the
morning. Patchy fog in the evening. Rain showers through the
night. Waves 4 to 7 feet. Waves occasionally to 9 feet. A small
craft advisory may be needed.
.FRIDAY...Southwest wind 15 to 20 knots with gusts to around
25 knots. Partly sunny in the morning then clearing. Waves 2 to
4 feet. A small craft advisory may be needed.

$$

LSZ144-145-020415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
607 PM CDT Wed May 1 2024

.TONIGHT...West wind 5 to 10 knots becoming northeast after
midnight. Patchy fog after midnight. Waves 1 to 2 feet.
.THURSDAY...Northeast wind 5 to 10 knots rising to 20 to 25 knots
with gusts to around 30 knots in the late morning and afternoon.
Patchy fog through the day. Chance of rain showers in the
morning. Rain showers in the afternoon. Waves 1 to 2 feet
building to 4 to 6 feet in the afternoon. Waves occasionally to
8 feet. A small craft advisory may be needed.
.THURSDAY NIGHT...Northeast wind 20 to 25 knots with gusts to
around 30 knots becoming east 10 to 15 knots early in the
morning. Patchy fog in the evening. Rain showers through the
night. Waves 5 to 8 feet subsiding to 3 to 5 feet early in the
morning. Waves occasionally to 10 feet. A small craft advisory
may be needed.
.FRIDAY...Southwest wind 15 to 20 knots with gusts to around
25 knots. Mostly sunny. Waves 2 to 4 feet subsiding to 1 to
3 feet late in the morning, then building to 2 to 4 feet in the
afternoon.

$$

LSZ146-020415-
Port Wing to Sand Island WI-
607 PM CDT Wed May 1 2024

.TONIGHT...West wind 5 to 10 knots becoming north late in the
evening, then becoming east after midnight. Patchy fog late in
the night. Waves 1 to 3 feet.
.THURSDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots. Chance of rain showers in the morning, then rain
showers likely in the afternoon. Waves 1 to 2 feet building to
3 to 5 feet in the afternoon. A small craft advisory may be
needed.
.THURSDAY NIGHT...East wind 20 to 25 knots easing to 5 to
10 knots early in the morning. Patchy fog in the evening. Rain
showers through the night. Waves 4 to 6 feet subsiding to 2 to
4 feet early in the morning. Waves occasionally to 8 feet. A
small craft advisory may be needed.
.FRIDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Partly sunny in the morning then clearing. 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.

$$

LSZ147-020415-
Sand Island to Bayfield WI-
607 PM CDT Wed May 1 2024

.TONIGHT...Northwest wind 5 to 10 knots with gusts to around
20 knots easing to 5 knots after midnight, then becoming east
late in the night. Partly cloudy. Waves 1 to 3 feet.
.THURSDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots. Slight chance of rain showers in the morning, then rain
showers likely in the afternoon. Waves 1 to 3 feet building to
2 to 4 feet late in the afternoon. A small craft advisory may be
needed.
.THURSDAY NIGHT...East wind 15 to 20 knots with gusts to around
25 knots becoming southeast 5 to 10 knots early in the morning.
Patchy fog in the evening. Rain showers through the night. Waves
3 to 5 feet. A small craft advisory may be needed.
.FRIDAY...Southwest wind 10 knots rising to 10 to 15 knots with
gusts to around 20 knots in the late morning and afternoon.
Partly sunny in the morning then clearing. Waves 1 to 3 feet.

$$

LSZ121-020415-
Chequamegon Bay-Bayfield to Oak Point WI-
607 PM CDT Wed May 1 2024

.TONIGHT...Northwest wind 5 to 10 knots with gusts to around
20 knots becoming east late in the night. Partly cloudy until
early morning then becoming mostly cloudy. Waves 1 foot or less.
.THURSDAY...Northeast wind 10 to 15 knots with gusts to around
20 knots. Chance of rain showers in the morning, then rain
showers likely in the afternoon. Patchy fog in the afternoon.
Waves 1 to 2 feet.
.THURSDAY NIGHT...East wind 10 to 15 knots with gusts to around
20 knots becoming southeast 5 to 10 knots early in the morning.
Patchy fog in the evening. Rain showers through the night. Waves
1 to 2 feet.
.FRIDAY...Southwest wind 10 to 15 knots. Gusts up to 25 knots.
Mostly sunny. Waves 1 to 2 feet.

$$

LSZ148-020415-
Oak Point to Saxon Harbor WI-
607 PM CDT Wed May 1 2024

.TONIGHT...Northwest wind 5 to 10 knots becoming southeast late
in the night. Partly cloudy. Waves 1 to 2 feet.
.THURSDAY...East wind 5 to 10 knots becoming northeast 10 to
15 knots with gusts to around 20 knots in the afternoon. Chance
of rain showers in the morning, then rain showers likely in the
afternoon. Patchy fog in the afternoon. Waves 1 to 2 feet
building to 2 to 4 feet late in the afternoon.
.THURSDAY NIGHT...East wind 10 to 15 knots with gusts to around
20 knots becoming southeast 5 to 10 knots early in the morning.
Patchy fog in the evening. Rain showers through the night. Waves
2 to 4 feet subsiding to 1 to 3 feet early in the morning. A
small craft advisory may be needed.
.FRIDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Partly sunny in the morning then clearing. Waves 1 to
2 feet.

$$

LSZ150-020415-
Outer Apostle Islands Beyond 5 NM from Mainland-
607 PM CDT Wed May 1 2024

.TONIGHT...Northwest wind 5 to 10 knots becoming northeast late
in the night. Partly cloudy. Waves 1 to 3 feet.
.THURSDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots. Slight chance of rain showers in the morning, then rain
showers likely in the afternoon. Waves 1 to 3 feet building to
2 to 4 feet late in the afternoon. A small craft advisory may be
needed.
.THURSDAY NIGHT...East wind 15 to 20 knots with gusts to around
25 knots becoming southeast 10 to 15 knots early in the morning.
Patchy fog in the evening. Rain showers through the night. Waves
4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory
may be needed.
.FRIDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Partly sunny in the morning then
clearing. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the
morning, then building to 2 to 4 feet in the afternoon.

$$

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

Rothstein