439
FZUS53 KDLH 200048
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
748 PM CDT Thu Sep 19 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.

LSZ140-141-200415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
748 PM CDT Thu Sep 19 2024

.TONIGHT...East wind 10 to 15 knots with gusts to around 20 knots
becoming south with gusts to around 20 knots in the late evening
and overnight. Showers likely and chance of thunderstorms in the
evening, then chance of showers and thunderstorms after midnight.
Waves 1 to 2 feet building to 1 to 3 feet in the late evening and
overnight.
.FRIDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Mostly sunny. Waves 1 to 3 feet.
.FRIDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 knots after midnight. Mostly clear.
Waves 1 to 3 feet.
.SATURDAY...North wind 5 knots becoming southeast in the late
morning and early afternoon, then becoming south late in the
afternoon. Slight chance of rain showers in the afternoon. Waves
1 foot or less.

$$

LSZ142-143-200415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
748 PM CDT Thu Sep 19 2024

.TONIGHT...Northeast wind 10 to 15 knots becoming southwest 5 to
10 knots in the late evening and overnight. Showers likely and
chance of thunderstorms early in the evening, then chance of
showers and thunderstorms in the late evening and early morning.
Waves 1 to 2 feet.
.FRIDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet.
.FRIDAY NIGHT...West wind 5 to 10 knots. Mostly clear. Waves 1 to
2 feet.
.SATURDAY...North wind 5 knots becoming southeast in the late
morning and early afternoon, then becoming southwest late in the
afternoon. Slight chance of rain showers in the afternoon. Waves
1 foot or less.

$$

LSZ144-145-200415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
748 PM CDT Thu Sep 19 2024

.TONIGHT...East wind 10 to 15 knots with gusts to around 20 knots
becoming south in the late evening and early morning, then
becoming southwest 5 to 10 knots late in the night. Showers with
thunderstorms likely early in the evening, then chance of showers
and slight chance of thunderstorms late in the evening. Waves
1 to 2 feet.
.FRIDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Sunny. Waves 1 to 2 feet.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves
1 to 2 feet.
.SATURDAY...Southeast wind 5 to 10 knots becoming west late in
the afternoon. Slight chance of rain showers through the day.
Slight chance of thunderstorms in the afternoon. Waves 1 foot or
less.

$$

LSZ146-200415-
Port Wing to Sand Island WI-
748 PM CDT Thu Sep 19 2024

.TONIGHT...South wind 5 to 10 knots becoming southwest late in
the night. Showers and thunderstorms likely in the evening, then
slight chance of showers and thunderstorms after midnight. Waves
1 foot or less.
.FRIDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Sunny. Waves 1 to 3 feet.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves
1 to 2 feet.
.SATURDAY...South wind 5 to 10 knots becoming west late in the
afternoon. Slight chance of showers and thunderstorms in the
afternoon. Waves 1 foot or less.

$$

LSZ147-200415-
Sand Island to Bayfield WI-
748 PM CDT Thu Sep 19 2024

.TONIGHT...Southwest wind 5 to 10 knots. Showers likely and
chance of thunderstorms in the evening, then chance of showers
and thunderstorms after midnight. Waves 1 foot or less.
.FRIDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Sunny. Waves 1 to 3 feet.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Clear. Waves 1 to
2 feet.
.SATURDAY...South wind 5 to 10 knots becoming southwest late in
the afternoon. Slight chance of rain showers in the afternoon.
Waves 1 foot or less.

$$

LSZ150-200415-
Outer Apostle Islands Beyond 5 NM from Mainland-
748 PM CDT Thu Sep 19 2024

.TONIGHT...South wind 10 to 15 knots becoming southwest 5 to
10 knots after midnight. Gusts up to 20 knots. Showers likely and
chance of thunderstorms in the evening, then chance of showers
and thunderstorms after midnight. Waves 1 to 2 feet.
.FRIDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Sunny. Waves 1 to 2 feet building
to 1 to 3 feet in the late morning and afternoon.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Clear. Waves 1 to
3 feet.
.SATURDAY...South wind 5 knots becoming southeast early in the
afternoon, then becoming southwest late in the afternoon. Slight
chance of showers in the afternoon. Waves 1 foot or less.

$$

LSZ121-200415-
Chequamegon Bay-Bayfield to Oak Point WI-
748 PM CDT Thu Sep 19 2024

...TORNADO WATCH 678 IN EFFECT UNTIL 11 PM CDT THIS EVENING...

.TONIGHT...Southwest wind 5 to 10 knots. Gusts up to 20 knots in
the evening. Showers likely and chance of thunderstorms in the
evening, then chance of showers and thunderstorms after midnight.
Waves 1 foot or less.
.FRIDAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Clear. Waves 1 foot
or less.
.SATURDAY...South wind 5 to 10 knots. Slight chance of showers
and thunderstorms in the afternoon. Waves 1 foot or less.

$$

LSZ148-200415-
Oak Point to Saxon Harbor WI-
748 PM CDT Thu Sep 19 2024

.TONIGHT...South wind 10 to 15 knots becoming southwest 5 to
10 knots after midnight. Gusts up to 20 knots in the evening.
Chance of thunderstorms in the evening. Chance of showers until
early morning. Chance of thunderstorms after midnight. Waves
1 foot or less.
.FRIDAY...Southwest wind 5 to 10 knots becoming west late in the
afternoon. Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Clear. Waves 1 foot
or less.
.SATURDAY...South wind 5 to 10 knots. Slight chance of showers
and thunderstorms in the afternoon. Waves 1 foot or less.

$$

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

JJM