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FZUS53 KDLH 180301
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1001 PM CDT Fri Oct 17 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.

LSZ140-181015-
Grand Portage to Grand Marais MN-
1001 PM CDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY...

.REST OF TONIGHT...Southwest wind 10 to 15 knots. Gusts up to
25 knots. Partly cloudy. Waves 2 to 4 feet.
.SATURDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 to
3 feet subsiding to 1 to 2 feet in the late morning and
afternoon.
.SATURDAY NIGHT...Northwest wind 5 to 10 knots. Gusts up to
20 knots in the late evening and overnight. Slight chance of rain
showers through the night. Waves 1 foot or less.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 to 2 feet.

$$

LSZ141-181015-
Grand Marais to Taconite Harbor MN-
1001 PM CDT Fri Oct 17 2025

.REST OF TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
in the late evening and early morning. Partly cloudy. Waves 1 to
3 feet.
.SATURDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 to
2 feet.
.SATURDAY NIGHT...Northwest wind 5 to 10 knots. Gusts up to
20 knots in the late evening and overnight. Slight chance of rain
showers through the night. Waves 1 foot or less.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 to 2 feet.

$$

LSZ142-181015-
Taconite Harbor to Silver Bay Harbor MN-
1001 PM CDT Fri Oct 17 2025

.REST OF TONIGHT...West wind 5 to 10 knots with gusts to around
20 knots becoming southwest after midnight. Partly cloudy. Waves
1 to 2 feet.
.SATURDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot
or less.
.SATURDAY NIGHT...Northwest wind 5 to 10 knots. Gusts up to
20 knots in the late evening and overnight. Slight chance of rain
showers in the evening. Waves 1 foot or less.
.SUNDAY...Northwest wind 5 to 10 knots with gusts to around
20 knots. Mostly sunny. Waves 1 foot or less.

$$

LSZ143-181015-
Silver Bay Harbor to Two Harbors MN-
1001 PM CDT Fri Oct 17 2025

.REST OF TONIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots late in the evening. Partly cloudy. Waves 1 to 3 feet.
.SATURDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot
or less.
.SATURDAY NIGHT...Northwest wind 5 to 10 knots. Gusts up to
20 knots in the late evening and overnight. Mostly cloudy. Waves
1 foot or less.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 foot or less.

$$

LSZ144-181015-
Two Harbors to Duluth MN-
1001 PM CDT Fri Oct 17 2025

.REST OF TONIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots late in the evening. Partly cloudy. Waves 1 to 2 feet.
.SATURDAY...West wind 5 to 10 knots becoming northwest late in
the afternoon. Mostly sunny. Waves 1 foot or less.
.SATURDAY NIGHT...Northwest wind 5 to 10 knots with gusts to
around 20 knots. Mostly cloudy in the evening then becoming
partly cloudy. Waves 1 foot or less.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Sunny. Waves 1 to 2 feet.

$$

LSZ145-181015-
Duluth MN to Port Wing WI-
1001 PM CDT Fri Oct 17 2025

.REST OF TONIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots late in the evening. Partly cloudy. Waves 1 to 3 feet.
.SATURDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot
or less.
.SATURDAY NIGHT...Northwest wind 10 to 15 knots with gusts to
around 20 knots. Mostly cloudy. Waves 1 to 2 feet.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Sunny. Waves 1 to 3 feet.

$$

LSZ146-181015-
Port Wing to Sand Island WI-
1001 PM CDT Fri Oct 17 2025

.REST OF TONIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots. Partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2
feet toward daybreak.
.SATURDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot
or less.
.SATURDAY NIGHT...Northwest wind 10 knots rising to 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. Slight chance of rain showers through the night. Waves
1 to 2 feet.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 to 2 feet.

$$

LSZ147-181015-
Sand Island to Bayfield WI-
1001 PM CDT Fri Oct 17 2025

.REST OF TONIGHT...West wind 10 to 15 knots with gusts to around
20 knots becoming southwest with gusts to around 20 knots after
midnight. Mostly clear. Waves 1 to 3 feet.
.SATURDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot
or less.
.SATURDAY NIGHT...Northwest wind 10 knots rising to 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. Slight chance of rain showers through the night. Waves
1 to 2 feet.
.SUNDAY...Northwest wind 10 to 15 knots becoming west late in the
afternoon. Gusts up to 20 knots. Mostly sunny. Waves 1 to 2 feet.

$$

LSZ150-181015-
Outer Apostle Islands Beyond 5 NM from Mainland-
1001 PM CDT Fri Oct 17 2025

.REST OF TONIGHT...West wind 15 to 20 knots with gusts to around
20 knots becoming southwest 10 to 15 knots with gusts to around
20 knots after midnight. Mostly clear. Waves 2 to 4 feet subsiding
to 1 to 3 feet toward daybreak.
.SATURDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 to
2 feet.
.SATURDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to
20 knots in the late evening and overnight. Slight chance of rain
showers through the night. Waves 1 to 2 feet.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 to 3 feet.

$$

LSZ121-181015-
Chequamegon Bay-Bayfield to Oak Point WI-
1001 PM CDT Fri Oct 17 2025

.REST OF TONIGHT...Southwest wind 5 to 10 knots. Mostly clear.
Waves 1 foot or less.
.SATURDAY...Southwest wind 5 to 10 knots becoming northwest late
in the afternoon. Mostly sunny. Waves 1 foot or less.
.SATURDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to
20 knots in the late evening and early morning. Slight chance of
rain showers through the night. Waves 1 foot or less.
.SUNDAY...Northwest wind 10 knots rising to 10 to 15 knots in the
late morning and afternoon. Gusts up to 20 knots. Mostly sunny.
Waves 1 foot or less.

$$

LSZ148-181015-
Oak Point to Saxon Harbor WI-
1001 PM CDT Fri Oct 17 2025

.REST OF TONIGHT...Southwest wind 5 to 10 knots. Gusts up to
20 knots late in the evening. Mostly clear. Waves 1 to 2 feet.
.SATURDAY...Southwest wind 5 to 10 knots becoming north late in
the afternoon. Mostly sunny. Waves 1 foot or less.
.SATURDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to
20 knots in the late evening and overnight. Slight chance of rain
showers. Waves 1 to 2 feet.
.SUNDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 to 2 feet.

$$

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

Britt