682
FZUS63 KMQT 291356
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
956 AM EDT Wed May 29 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...A 30.3 ridge is over Lake Superior this morning and
will remain over the Upper Great Lakes through Thursday. This
high slowly moves towards the rest of the lower Great Lakes region
beginning late Thursday, reaching the Mid Atlantic states by
Friday night at 30.2 inches. Ridging over Lake Superior weakens to
29.9 inches by Saturday night and remains in place through
Sunday. On Sunday night, a 29.6 low pressure will lift northeast
from the Northern Plains into Ontario.

LSZ162-292200-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
956 AM EDT Wed May 29 2024 /856 AM CDT Wed May 29 2024/

.REST OF TODAY...Northeast winds 5 to 15 knots veering east in
the afternoon. Waves calm to 2 feet.
.TONIGHT...Northeast winds 5 to 15 knots veering east late. Waves
calm to 2 feet.
.THURSDAY...East winds 5 to 15 knots increasing to 10 to 20 knots
in the afternoon. Waves calm to 2 feet.
.THURSDAY NIGHT...East winds 10 to 20 knots veering south after
midnight. A chance of showers after midnight. Waves calm to
2 feet.
.FRIDAY...Southwest winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. A chance of showers. Waves building to
1 to 3 feet.
.FRIDAY NIGHT...Southwest winds 10 to 20 knots. A chance of
showers. Waves subsiding to calm to 2 feet.
.SATURDAY...Southwest winds 10 to 20 knots diminishing to 5 to
15 knots. A chance of showers. Waves calm to 2 feet.
.SUNDAY...East winds 10 to 20 knots. A chance of showers. Waves
calm to 2 feet.

$$

LSZ263-292200-
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-
956 AM EDT Wed May 29 2024

.REST OF TODAY...Northeast winds less than 10 knots becoming east
5 to 15 knots late. Waves calm to 2 feet.
.TONIGHT...East winds less than 10 knots veering southeast late.
Waves calm to 2 feet.
.THURSDAY...Southeast winds less than 10 knots becoming east 5 to
15 knots in the afternoon. Waves calm to 2 feet.
.THURSDAY NIGHT...South winds 5 to 15 knots increasing to 10 to
20 knots after midnight. Waves building to 1 to 3 feet.
.FRIDAY...Southwest winds 10 to 20 knots. A chance of showers.
Waves building to 2 to 4 feet, then subsiding to 1 to 3 feet.
.FRIDAY NIGHT...Southwest winds 5 to 15 knots. A chance of
showers. Waves subsiding to calm to 2 feet.
.SATURDAY...Southwest winds 10 to 20 knots diminishing to 5 to
15 knots. A chance of showers. Waves building to 1 to 3 feet,
then subsiding to calm to 2 feet.
.SUNDAY...East winds 5 to 15 knots veering south. A chance of
showers. Waves calm to 2 feet.

$$

LSZ264-292200-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
956 AM EDT Wed May 29 2024

.REST OF TODAY...Northeast winds less than 10 knots becoming
southwest 5 to 15 knots late. Waves calm to 2 feet.
.TONIGHT...West winds 5 to 15 knots diminishing to less than
10 knots after midnight, then backing southwest late. Waves calm
to 2 feet.
.THURSDAY...South winds 5 to 15 knots backing southeast in the
afternoon. Waves calm to 2 feet.
.THURSDAY NIGHT...Southeast winds 5 to 15 knots veering south
after midnight. Waves building to 1 to 3 feet.
.FRIDAY...South winds 5 to 15 knots veering southwest by mid
afternoon. A slight chance of showers. Waves 1 to 3 feet.
.FRIDAY NIGHT...South winds 5 to 15 knots. A chance of showers.
Waves subsiding to calm to 2 feet.
.SATURDAY...South winds 5 to 15 knots veering southwest. A chance
of showers. Waves calm to 2 feet.
.SUNDAY...Southeast winds 5 to 15 knots. A chance of showers.
Waves calm to 2 feet.

$$

LSZ265-292200-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
956 AM EDT Wed May 29 2024

.REST OF TODAY...North winds 5 to 15 knots. Waves calm to 2 feet.
.TONIGHT...West winds 5 to 15 knots backing southwest late. Waves
calm to 2 feet.
.THURSDAY...Southeast winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon, then backing east late. Waves calm to
2 feet.
.THURSDAY NIGHT...South winds 10 to 20 knots. Waves calm to
2 feet.
.FRIDAY...South winds 10 to 20 knots. A slight chance of showers
by mid afternoon. Waves calm to 2 feet.
.FRIDAY NIGHT...South winds 10 to 20 knots. A chance of showers.
Waves calm to 2 feet.
.SATURDAY...South winds 10 to 20 knots becoming southwest 5 to
15 knots. A chance of showers. Waves calm to 2 feet.
.SUNDAY...Southeast winds 5 to 15 knots becoming south 10 to
20 knots. Waves calm to 2 feet.

$$

LSZ266-292200-
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-
956 AM EDT Wed May 29 2024

.REST OF TODAY...North winds 5 to 15 knots backing northwest
late. Waves calm to 2 feet.
.TONIGHT...West winds 5 to 15 knots. Waves calm to 2 feet.
.THURSDAY...South winds 5 to 15 knots backing southeast late.
Waves calm to 2 feet.
.THURSDAY NIGHT...South winds 5 to 15 knots increasing to 10 to
20 knots after midnight. Waves calm to 2 feet.
.FRIDAY...South winds 10 to 20 knots. Waves calm to 2 feet.
.FRIDAY NIGHT...South winds 10 to 20 knots. A chance of showers
after midnight. Waves calm to 2 feet.
.SATURDAY...South winds 10 to 20 knots diminishing to 5 to
15 knots. A chance of showers. Waves calm to 2 feet.
.SUNDAY...Southeast winds 5 to 15 knots becoming south 10 to
20 knots. Waves calm to 2 feet.

$$

LSZ267-292200-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
956 AM EDT Wed May 29 2024

.REST OF TODAY...North winds 10 to 20 knots backing northwest in
the afternoon. Waves calm to 2 feet.
.TONIGHT...Northwest winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. Waves calm to 2 feet.
.THURSDAY...Northwest winds 5 to 15 knots backing west in the
afternoon, then backing east late. Waves calm to 2 feet.
.THURSDAY NIGHT...South winds 5 to 15 knots. Waves calm to
2 feet.
.FRIDAY...South winds 10 to 20 knots. Waves calm to 2 feet.
.FRIDAY NIGHT...South winds 10 to 20 knots. Waves calm to 2 feet.
.SATURDAY...South winds 10 to 20 knots. A chance of showers.
Waves calm to 2 feet.
.SUNDAY...Southeast winds 10 to 20 knots veering south. Waves
calm to 2 feet.

$$

LSZ261-292200-
MAFOR 2915/
Superior West 11100 13200 11100 13200. Waves 1 foot or less.

Superior North Central 11800 11700 11500 13600 11500 11400. Waves
1 foot or less.

Superior South Central 12800 11700 12600 12500 11300. Waves 2
feet or less.

Superior East 11800 14710 12700 11800. Waves 2 feet or less.

$$

GS

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

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