359
FZUS53 KDLH 190243
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
943 PM CDT Wed Jun 18 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.

LSZ140-141-191015-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
943 PM CDT Wed Jun 18 2025

.REST OF TONIGHT...Northwest wind 10 to 15 knots becoming north
5 to 10 knots after midnight. Patchy dense fog late in the
evening. Patchy fog toward daybreak. Slight chance of rain
showers toward daybreak. Waves 1 foot or less.
.THURSDAY...Northeast wind 5 to 10 knots becoming east in the
late morning and afternoon. Chance of rain showers through the
day. Slight chance of thunderstorms in the afternoon. Waves
1 foot or less.
.THURSDAY NIGHT...Southeast wind 5 knots becoming northeast in
the late evening and overnight. Slight chance of thunderstorms in
the evening. Chance of rain showers through the night. Waves
1 foot or less.
.FRIDAY...East wind 5 to 10 knots. Chance of rain showers through
the day. Slight chance of thunderstorms in the afternoon. Waves
1 foot or less.

$$

LSZ142-143-191015-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
943 PM CDT Wed Jun 18 2025

.REST OF TONIGHT...Northwest wind 5 to 10 knots. Patchy fog
toward daybreak. Slight chance of rain showers toward daybreak.
Waves 1 foot or less.
.THURSDAY...Northeast wind 5 knots becoming southeast 10 to
15 knots in the late morning and afternoon. Patchy fog in the
morning. Chance of rain showers through the day. Slight chance of
thunderstorms in the afternoon. Waves 1 to 2 feet.
.THURSDAY NIGHT...South wind 5 to 10 knots becoming northeast in
the late evening and overnight. Rain showers likely and slight
chance of thunderstorms. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 5 to 10 knots. Chance of rain showers
and slight chance of thunderstorms. Waves 1 foot or less.

$$

LSZ144-191015-
Two Harbors to Duluth MN-
943 PM CDT Wed Jun 18 2025

.REST OF TONIGHT...West wind 5 knots. Patchy fog toward daybreak.
Waves 1 foot or less.
.THURSDAY...Northwest wind 5 knots becoming east 10 to 15 knots
in the late morning and afternoon. Patchy fog in the morning.
Slight chance of rain showers in the morning, then chance of rain
showers and slight chance of thunderstorms in the afternoon.
Waves 1 to 2 feet.
.THURSDAY NIGHT...East wind 10 to 15 knots becoming northeast
5 knots after midnight. Chance of thunderstorms in the evening.
Chance of rain showers through the night. Slight chance of
thunderstorms after midnight. Waves 1 to 2 feet.
.FRIDAY...East wind 5 to 10 knots. Chance of rain showers and
slight chance of thunderstorms. Waves 1 to 2 feet.

$$

LSZ145-191015-
Duluth MN to Port Wing WI-
943 PM CDT Wed Jun 18 2025

.REST OF TONIGHT...West wind 5 knots. Patchy fog toward daybreak.
Waves 1 foot or less.
.THURSDAY...Northwest wind 5 knots becoming northeast 10 to
15 knots in the late morning and afternoon. Patchy fog in the
morning. Slight chance of rain showers in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Waves 1 to 2 feet.
.THURSDAY NIGHT...Northeast wind 5 to 10 knots. Chance of
thunderstorms in the evening. Rain showers likely through the
night. Slight chance of thunderstorms after midnight. Waves 1 to
2 feet.
.FRIDAY...Northeast wind 5 to 10 knots. Chance of rain showers
and slight chance of thunderstorms. Waves 1 to 2 feet.

$$

LSZ146-191015-
Port Wing to Sand Island WI-
943 PM CDT Wed Jun 18 2025

.REST OF TONIGHT...West wind 5 to 10 knots. Patchy fog after
midnight. Waves 1 foot or less.
.THURSDAY...Northeast wind 10 to 15 knots. Patchy fog in the
morning. Slight chance of rain showers in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Waves 1 to 2 feet.
.THURSDAY NIGHT...Northeast wind 5 to 10 knots. Chance of
thunderstorms in the evening. Rain showers likely through the
night. Slight chance of thunderstorms after midnight. Waves 1 to
2 feet.
.FRIDAY...Northeast wind 5 to 10 knots. Chance of rain showers
and slight chance of thunderstorms. Waves 1 foot or less.

$$

LSZ147-191015-
Sand Island to Bayfield WI-
943 PM CDT Wed Jun 18 2025

.REST OF TONIGHT...Northwest wind 5 to 10 knots. Patchy fog
toward daybreak. Waves 1 foot or less.
.THURSDAY...Northwest wind 5 knots becoming east late in the
afternoon. Patchy fog in the morning. Slight chance of rain
showers in the morning, then chance of rain showers in the
afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...Southeast wind 5 knots becoming northeast after
midnight. Chance of thunderstorms in the evening. Rain showers
likely through the night. Slight chance of thunderstorms after
midnight. Waves 1 foot or less.
.FRIDAY...Northeast wind 5 knots. Chance of rain showers and
slight chance of thunderstorms. Waves 1 foot or less.

$$

LSZ150-191015-
Outer Apostle Islands Beyond 5 NM from Mainland-
943 PM CDT Wed Jun 18 2025

.REST OF TONIGHT...West wind 5 to 10 knots becoming northwest
after midnight. Patchy fog toward daybreak. Waves 1 foot or less.
.THURSDAY...Northeast wind 5 to 10 knots. Patchy fog in the
morning. Slight chance of rain showers in the morning, then
chance of rain showers in the afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...East wind 5 to 10 knots becoming northeast
after midnight. Rain showers likely and slight chance of
thunderstorms. Waves 1 foot or less.
.FRIDAY...Northeast wind 5 to 10 knots. Chance of rain showers
and slight chance of thunderstorms. Waves 1 foot or less.

$$

LSZ121-191015-
Chequamegon Bay-Bayfield to Oak Point WI-
943 PM CDT Wed Jun 18 2025

.REST OF TONIGHT...Variable winds 10 knots or less becoming west
5 knots after midnight. Mostly cloudy in the late evening and
early morning then becoming partly cloudy. Waves 1 foot or less.
.THURSDAY...Northwest wind 5 knots becoming southwest late in the
morning, then becoming northwest early in the afternoon becoming
east late in the afternoon. Slight chance of rain showers in the
morning, then chance of rain showers in the afternoon. Waves
1 foot or less.
.THURSDAY NIGHT...South wind 5 to 10 knots becoming east in the
late evening and overnight. Chance of thunderstorms in the
evening. Rain showers likely through the night. Slight chance of
thunderstorms after midnight. Waves 1 foot or less.
.FRIDAY...East wind 5 to 10 knots. Slight chance of thunderstorms
in the morning. Chance of rain showers through the day. Chance of
thunderstorms in the afternoon. Waves 1 foot or less.

$$

LSZ148-191015-
Oak Point to Saxon Harbor WI-
943 PM CDT Wed Jun 18 2025

.REST OF TONIGHT...South wind 5 knots becoming west after
midnight. Patchy fog toward daybreak. Waves 1 foot or less.
.THURSDAY...Northeast wind 5 to 10 knots. Slight chance of rain
showers in the morning, then chance of rain showers in the
afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...Northeast wind 5 to 10 knots. Chance of
thunderstorms in the evening. Rain showers likely through the
night. Slight chance of thunderstorms after midnight. Waves
1 foot or less.
.FRIDAY...East wind 5 to 10 knots. Slight chance of thunderstorms
in the morning. Chance of rain showers through the day. Chance of
thunderstorms in the afternoon. Waves 1 foot or less.

$$

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

Britt