847
FZUS53 KDLH 242055
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
355 PM CDT Sat May 24 2025

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.

LSZ140-141-250415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
355 PM CDT Sat May 24 2025

.TONIGHT...Southwest wind 5 to 10 knots becoming west in the late
evening and overnight. Slight chance of rain showers early in the
evening. Patchy fog in the late evening and overnight. Waves
1 foot or less.
.SUNDAY...West wind 5 knots becoming southwest in the late
morning and afternoon. Patchy fog in the morning. Waves 1 foot or
less.
.SUNDAY NIGHT...Southwest wind 5 to 10 knots becoming west in the
late evening and overnight. Mostly clear. Waves 1 foot or less.
.MONDAY...West wind 5 knots becoming south in the late morning
and early afternoon, then becoming southeast late in the
afternoon. Sunny. Waves 1 foot or less.

$$

LSZ142-143-250415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
355 PM CDT Sat May 24 2025

.TONIGHT...Northeast wind 5 knots until early morning becoming
variable 10 knots or less. Slight chance of rain showers early in
the evening. Patchy fog through the night. Waves 1 foot or less.
.SUNDAY...Variable winds 10 knots or less becoming east 5 knots
in the afternoon. Patchy fog in the morning. Waves 1 foot or
less.
.SUNDAY NIGHT...Northeast wind 5 knots becoming north after
midnight, then becoming variable 10 knots or less early in the
morning. Mostly clear. Waves 1 foot or less.
.MONDAY...Variable winds 10 knots or less becoming east 5 to
10 knots in the late morning and afternoon. Sunny. Waves 1 foot
or less.

$$

LSZ144-145-250415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
355 PM CDT Sat May 24 2025

.TONIGHT...Northeast wind 5 to 10 knots. Slight chance of rain
showers early in the evening. Patchy fog in the late evening and
overnight. Waves 1 foot or less.
.SUNDAY...Southwest wind 5 knots becoming northeast in the
afternoon. Patchy fog in the morning. Waves 1 foot or less.
.SUNDAY NIGHT...Northeast wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.MONDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.

$$

LSZ146-250415-
Port Wing to Sand Island WI-
355 PM CDT Sat May 24 2025

.TONIGHT...East wind 5 to 10 knots. Slight chance of rain showers
early in the evening. Patchy fog after midnight. Waves 1 foot or
less.
.SUNDAY...Southwest wind 5 knots becoming west late in the
morning, then becoming northeast in the afternoon. Patchy fog in
the morning. Waves 1 foot or less.
.SUNDAY NIGHT...East wind 5 knots until early morning becoming
variable 10 knots or less. Mostly clear. Waves 1 foot or less.
.MONDAY...Variable winds 10 knots or less becoming northeast 5 to
10 knots in the late morning and afternoon. Mostly sunny. Waves
1 foot or less.

$$

LSZ147-250415-
Sand Island to Bayfield WI-
355 PM CDT Sat May 24 2025

.TONIGHT...East wind 5 to 10 knots. Slight chance of rain showers
early in the evening. Patchy fog in the late evening and
overnight. Waves 1 foot or less.
.SUNDAY...West wind 5 knots becoming northwest late in the
morning, then becoming east in the afternoon. Patchy fog in the
morning. Waves 1 foot or less.
.SUNDAY NIGHT...East wind 5 knots in the evening becoming
variable 10 knots or less. Mostly clear. Waves 1 foot or less.
.MONDAY...Variable winds 10 knots or less becoming northeast
5 knots in the late morning and afternoon. Mostly sunny. Waves
1 foot or less.

$$

LSZ150-250415-
Outer Apostle Islands Beyond 5 NM from Mainland-
355 PM CDT Sat May 24 2025

.TONIGHT...East wind 5 to 10 knots becoming southeast late in the
night. Slight chance of rain showers early in the evening. Patchy
fog through the night. Waves 1 foot or less.
.SUNDAY...West wind 5 knots becoming east in the afternoon.
Patchy fog in the morning. Waves 1 foot or less.
.SUNDAY NIGHT...East wind 5 knots until early morning becoming
variable 10 knots or less. Partly cloudy. Waves 1 foot or less.
.MONDAY...Variable winds 10 knots or less becoming northeast
5 knots in the late morning and afternoon. Mostly sunny. Waves
1 foot or less.

$$

LSZ121-250415-
Chequamegon Bay-Bayfield to Oak Point WI-
355 PM CDT Sat May 24 2025

.TONIGHT...Northeast wind 5 knots in the evening becoming
variable 10 knots or less. Slight chance of rain showers early in
the evening. Patchy fog in the late evening and overnight. Waves
1 foot or less.
.SUNDAY...Variable winds 10 knots or less becoming east 5 knots
in the late morning and afternoon. Patchy fog in the morning.
Waves 1 foot or less.
.SUNDAY NIGHT...Northeast wind 5 knots in the evening becoming
variable 10 knots or less. Mostly clear. Waves 1 foot or less.
.MONDAY...Variable winds 10 knots or less becoming northeast 5 to
10 knots in the late morning and afternoon. Mostly sunny. Waves
1 foot or less.

$$

LSZ148-250415-
Oak Point to Saxon Harbor WI-
355 PM CDT Sat May 24 2025

.TONIGHT...East wind 5 knots becoming northwest after midnight,
then becoming southwest late in the night. Slight chance of rain
showers early in the evening. Patchy fog through the night. Waves
1 foot or less.
.SUNDAY...Southwest wind 5 knots becoming northeast in the late
morning and early afternoon, then becoming east late in the
afternoon. Patchy fog in the morning. Waves 1 foot or less.
.SUNDAY NIGHT...East wind 5 knots in the evening becoming
variable 10 knots or less. Mostly clear. Waves 1 foot or less.
.MONDAY...Southeast wind 5 knots becoming northeast in the late
morning and afternoon. Mostly sunny. Waves 1 foot or less.

$$

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

BJH