762
FZUS63 KMQT 101323
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
923 AM EDT Mon Jun 10 2024

For waters beyond 5 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.

.SYNOPSIS...Ridging of 30.1 inches will remain over the upper
Great Lakes into tonight. A 29.5 inch low pressure system near
Lake Winnipeg Tuesday morning will move to near James Bay by
Wednesday evening, dragging a 29.6 inch trough over Lake Superior
Thursday. 30.1 inch ridging moves into Lake Superior on Friday.

LSZ162-102130-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
923 AM EDT Mon Jun 10 2024 /823 AM CDT Mon Jun 10 2024/

.REST OF TODAY...Northeast winds 5 to 15 knots veering south in
the afternoon, then veering southwest late. Waves calm to 2 feet.
.TONIGHT...South winds 5 to 15 knots backing southeast after
midnight. Waves calm to 2 feet.
.TUESDAY...Southeast winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. A chance of rain showers through early
afternoon, then rain showers likely and a slight chance of
thunderstorms by mid afternoon. Waves calm to 2 feet.
.TUESDAY NIGHT...Southwest winds 10 to 20 knots. A slight chance
of showers through midnight. Waves calm to 2 feet.
.WEDNESDAY...Southwest winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. Waves building to 1 to 3 feet.
.WEDNESDAY NIGHT...Southwest winds 10 to 20 knots. A chance of
showers and thunderstorms. Waves subsiding to calm to 2 feet.
.THURSDAY...West winds 10 to 20 knots veering northwest. Waves
building to 1 to 3 feet, then subsiding to calm to 2 feet.
.FRIDAY...Southwest winds 10 to 20 knots becoming north 5 to
15 knots. Waves calm to 2 feet.

$$

LSZ263-102130-
Lake Superior from Saxon Harbor WI to Upper Entrance to Portage
Canal MI 5NM off shore to the US/Canadian border including Isle
Royale National Park-
923 AM EDT Mon Jun 10 2024

.REST OF TODAY...North winds 5 to 15 knots backing southwest in
the afternoon. Waves calm to 2 feet.
.TONIGHT...West winds 5 to 15 knots backing south late. Waves
calm to 2 feet.
.TUESDAY...South winds 5 to 15 knots increasing to 10 to 20 knots
late. A chance of rain showers. Waves calm to 2 feet.
.TUESDAY NIGHT...South winds 5 to 15 knots veering southwest
after midnight. A slight chance of showers and thunderstorms
through midnight. Waves calm to 2 feet.
.WEDNESDAY...Southwest winds 10 to 20 knots. Waves building to
1 to 3 feet.
.WEDNESDAY NIGHT...Southwest winds 5 to 15 knots. A chance of
showers and thunderstorms. Waves subsiding to calm to 2 feet.
.THURSDAY...West winds 10 to 20 knots diminishing to 5 to
15 knots. Waves building to 1 to 3 feet, then subsiding to calm
to 2 feet.
.FRIDAY...Southwest winds 5 to 15 knots. Waves calm to 2 feet.

$$

LSZ264-102130-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
923 AM EDT Mon Jun 10 2024

.REST OF TODAY...North winds 5 to 15 knots backing west in the
afternoon. Waves calm to 2 feet.
.TONIGHT...West winds 5 to 15 knots backing southwest late. Waves
calm to 2 feet.
.TUESDAY...South winds 5 to 15 knots backing southeast in the
afternoon. A slight chance of rain showers by mid afternoon.
Waves calm to 2 feet.
.TUESDAY NIGHT...South winds 5 to 15 knots veering southwest
after midnight. A slight chance of showers through midnight.
Waves building to 1 to 3 feet.
.WEDNESDAY...Southwest winds 10 to 20 knots. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...South winds 5 to 15 knots veering southwest
after midnight. A chance of showers and thunderstorms. Waves
subsiding to calm to 2 feet.
.THURSDAY...West winds 10 to 20 knots becoming northwest 5 to
15 knots. Waves building to 1 to 3 feet, then subsiding to calm
to 2 feet.
.FRIDAY...West winds 5 to 15 knots backing southwest. Waves calm
to 2 feet.

$$

LSZ265-102130-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
923 AM EDT Mon Jun 10 2024

.REST OF TODAY...Northwest winds 10 to 20 knots backing west
late. Waves calm to 2 feet.
.TONIGHT...West winds 5 to 15 knots backing south late. Waves
calm to 2 feet.
.TUESDAY...Southeast winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. A slight chance of showers by mid
afternoon. Waves building to 1 to 3 feet.
.TUESDAY NIGHT...South winds 10 to 20 knots veering southwest
after midnight. A chance of showers and a slight chance of
thunderstorms through midnight. Waves subsiding to calm to
2 feet.
.WEDNESDAY...Southwest winds 10 to 20 knots backing south by mid
afternoon. Waves calm to 2 feet.
.WEDNESDAY NIGHT...South winds 10 to 20 knots veering southwest
after midnight. A chance of showers and thunderstorms. Waves calm
to 2 feet.
.THURSDAY...West winds 10 to 20 knots. Waves calm to 2 feet.
.FRIDAY...Northwest winds 10 to 20 knots becoming west 5 to
15 knots. Waves calm to 2 feet.

$$

LSZ266-102130-
Lake Superior East of a line from Manitou Island to Marquette MI
and West of a line from Grand Marais MI to the US/Canadian Border
Beyond 5NM from shore-
923 AM EDT Mon Jun 10 2024

.REST OF TODAY...Northwest winds 10 to 20 knots. Waves calm to
2 feet building to 1 to 3 feet.
.TONIGHT...Northwest winds 5 to 15 knots backing south late.
Waves subsiding to calm to 2 feet.
.TUESDAY...South winds 5 to 15 knots backing southeast in the
afternoon, then increasing to 10 to 20 knots late. A slight
chance of rain showers by mid afternoon. Waves building to 1 to
3 feet.
.TUESDAY NIGHT...South winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. A chance of showers. Waves building to
2 to 4 feet, then subsiding to 1 to 3 feet.
.WEDNESDAY...Southwest winds 10 to 20 knots backing south by mid
afternoon. Waves subsiding to calm to 2 feet.
.WEDNESDAY NIGHT...South winds 10 to 20 knots veering southwest
after midnight. A chance of showers. Waves calm to 2 feet.
.THURSDAY...West winds 10 to 20 knots veering northwest. A chance
of showers. Waves calm to 2 feet.
.FRIDAY...Northwest winds 10 to 20 knots diminishing to 5 to
15 knots. Waves calm to 2 feet.

$$

LSZ267-102130-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
923 AM EDT Mon Jun 10 2024

.REST OF TODAY...Northwest winds 10 to 20 knots. Waves calm to
2 feet building to 2 to 4 feet.
.TONIGHT...Northwest winds 10 to 20 knots diminishing to 5 to
15 knots after midnight, then backing west late. Waves subsiding
to calm to 2 feet.
.TUESDAY...Southeast winds 5 to 15 knots increasing to 10 to
20 knots late. Waves calm to 2 feet.
.TUESDAY NIGHT...South winds 10 to 20 knots. A chance of showers.
Waves building to 1 to 3 feet.
.WEDNESDAY...Southwest winds 10 to 20 knots backing south by mid
afternoon. Waves subsiding to calm to 2 feet.
.WEDNESDAY NIGHT...South winds 10 to 20 knots. A chance of
showers and thunderstorms. Waves calm to 2 feet.
.THURSDAY...West winds 10 to 20 knots. A chance of showers. Waves
calm to 2 feet.
.FRIDAY...Northwest winds 10 to 20 knots diminishing to 5 to
15 knots. Waves calm to 2 feet.

$$
LSZ261-102130-
MAFOR 1015/
Superior West 11200 12500 12400 13300. Waves 1 foot or less.

Superior North Central 11710 13610 12600 11500 11410. Waves 1 to
2 feet.

Superior South Central 13710 12700 11600 11400 11300. Waves 2
feet or less.

Superior East 13720 12710 11700 11600 11400. Waves 1 to 3 feet.

$$

07

Experimental modernized open lake forecast is available online at
weather.gov/mqt/glftable

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