922
FZUS63 KMQT 271942
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
342 PM EDT Mon May 27 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 29.3 inch low now over Quebec this afternoon
continues lifting northeast tonight into Tuesday morning. In its
wake, a 30.3 inch high pressure builds over the Northern Plains on
Tuesday. This high pressure parks over the Upper Great Lakes
Wednesday and stays put through Thursday. The high begins to
slowly move towards the rest of the lower Great Lakes region
Thursday night and moves into the Mid Atlantic states by Saturday.
Meanwhile, ridging weakens over Lake Superior to 29.9 inches.

LSZ162-280345-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
342 PM EDT Mon May 27 2024 /242 PM CDT Mon May 27 2024/

.LATE THIS AFTERNOON...West winds 5 to 15 knots. Patchy fog.
Waves calm to 2 feet.
.TONIGHT...West winds 10 to 20 knots veering northwest after
midnight. A slight chance of thunderstorms through midnight. A
chance of rain showers. Waves calm to 2 feet.
.TUESDAY...Northwest winds 10 to 20 knots backing west in the
afternoon, then veering northwest late. A chance of showers. A
slight chance of thunderstorms by mid afternoon. Waves calm to
2 feet.
.TUESDAY NIGHT...North winds 5 to 15 knots. Waves calm to 2 feet.
.WEDNESDAY...Northeast winds 5 to 15 knots veering east by mid
afternoon. Waves calm to 2 feet.
.WEDNESDAY NIGHT...East winds 5 to 15 knots backing northeast
after midnight. Waves calm to 2 feet.
.THURSDAY...East winds 5 to 15 knots increasing to 10 to 20 knots
by mid afternoon. Waves calm to 2 feet.
.THURSDAY NIGHT...East winds 10 to 20 knots veering south after
midnight. Waves calm to 2 feet.
.FRIDAY...South winds 10 to 20 knots. A chance of showers. Waves
calm to 2 feet.
.SATURDAY...South winds 10 to 20 knots. A chance of showers.
Waves calm to 2 feet.

$$

LSZ263-280345-
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-
342 PM EDT Mon May 27 2024

.LATE THIS AFTERNOON...West winds 5 to 15 knots. Patchy fog.
Waves calm to 2 feet.
.TONIGHT...West winds 5 to 15 knots veering northwest after
midnight. A slight chance of rain showers after midnight. Waves
calm to 2 feet.
.TUESDAY...Northwest winds 5 to 15 knots. A slight chance of rain
showers. Waves calm to 2 feet.
.TUESDAY NIGHT...North winds 5 to 15 knots. Waves calm to 2 feet.
.WEDNESDAY...Northeast winds 5 to 15 knots. Waves calm to 2 feet.
.WEDNESDAY NIGHT...West winds 5 to 15 knots becoming southwest
less than 10 knots after midnight. Waves calm to 2 feet.
.THURSDAY...Southeast winds 5 to 15 knots backing east by mid
afternoon. Waves calm to 2 feet.
.THURSDAY NIGHT...Southeast winds 5 to 15 knots veering south
after midnight. Waves calm to 2 feet.
.FRIDAY...Southwest winds 5 to 15 knots backing south. Waves
building to 1 to 3 feet, then subsiding to calm to 2 feet.
.SATURDAY...South winds 5 to 15 knots. A chance of showers. Waves
calm to 2 feet.

$$

LSZ264-280345-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
342 PM EDT Mon May 27 2024

.LATE THIS AFTERNOON...West winds 10 to 20 knots. Patchy fog.
Waves 1 to 3 feet subsiding to calm to 2 feet.
.TONIGHT...West winds 10 to 20 knots becoming northwest 5 to
15 knots after midnight. Waves building to 1 to 3 feet.
.TUESDAY...Northwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon, then veering north late. Waves 1 to
3 feet.
.TUESDAY NIGHT...North winds 5 to 15 knots. Waves subsiding to
calm to 2 feet.
.WEDNESDAY...North winds 5 to 15 knots backing west by mid
afternoon. Waves calm to 2 feet.
.WEDNESDAY NIGHT...West winds 5 to 15 knots diminishing to less
than 10 knots after midnight. Waves calm to 2 feet.
.THURSDAY...South winds 5 to 15 knots backing southeast by mid
afternoon. Waves calm to 2 feet.
.THURSDAY NIGHT...Southeast winds 5 to 15 knots veering south
after midnight. Waves calm to 2 feet.
.FRIDAY...South winds 5 to 15 knots. Waves calm to 2 feet.
.SATURDAY...South winds 5 to 15 knots. A chance of showers. Waves
calm to 2 feet.

$$

LSZ265-280345-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
342 PM EDT Mon May 27 2024

.LATE THIS AFTERNOON...Northwest winds 10 to 20 knots. Waves 2 to
4 feet subsiding to 1 to 3 feet.
.TONIGHT...Northwest winds 10 to 20 knots. A slight chance of
showers after midnight. Waves subsiding to calm to 2 feet.
.TUESDAY...Northwest winds 10 to 20 knots veering north late. A
slight chance of showers through early afternoon. Waves building
to 1 to 3 feet.
.TUESDAY NIGHT...North winds 10 to 20 knots. Waves subsiding to
calm to 2 feet.
.WEDNESDAY...North winds 5 to 15 knots. Waves calm to 2 feet.
.WEDNESDAY NIGHT...West winds 5 to 15 knots diminishing to less
than 10 knots after midnight. Waves calm to 2 feet.
.THURSDAY...Southeast winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. Waves calm to 2 feet.
.THURSDAY NIGHT...Southeast winds 10 to 20 knots veering south
after midnight. Waves calm to 2 feet.
.FRIDAY...South winds 10 to 20 knots. Waves calm to 2 feet.
.SATURDAY...Southeast winds 10 to 20 knots veering south. A
chance of showers. Waves calm to 2 feet.

$$

LSZ266-280345-
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-
342 PM EDT Mon May 27 2024

.LATE THIS AFTERNOON...Northwest winds 15 to 25 knots. Patchy
fog. Waves 2 to 4 feet.
.TONIGHT...Northwest winds 15 to 25 knots. Waves 2 to 4 feet.
.TUESDAY...Northwest winds 15 to 25 knots. A slight chance of
rain showers through early afternoon. Waves 2 to 4 feet.
.TUESDAY NIGHT...North winds 10 to 20 knots. Waves subsiding to
1 to 3 feet.
.WEDNESDAY...North winds 10 to 20 knots becoming northwest 5 to
15 knots by mid afternoon. Waves subsiding to calm to 2 feet.
.WEDNESDAY NIGHT...Northwest winds 5 to 15 knots. Waves calm to
2 feet.
.THURSDAY...Northwest winds 5 to 15 knots backing southeast by
mid afternoon. Waves calm to 2 feet.
.THURSDAY NIGHT...Southeast winds 5 to 15 knots becoming south
10 to 20 knots after midnight. Waves calm to 2 feet.
.FRIDAY...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.

$$

LSZ267-280345-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
342 PM EDT Mon May 27 2024

.LATE THIS AFTERNOON...Northwest winds 15 to 25 knots. A slight
chance of showers. Waves 2 to 4 feet.
.TONIGHT...Northwest winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. A slight chance of showers through
midnight. Waves 2 to 4 feet.
.TUESDAY...Northwest winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. Waves 2 to 4 feet.
.TUESDAY NIGHT...North winds 10 to 20 knots. Waves subsiding to
1 to 3 feet.
.WEDNESDAY...North winds 10 to 20 knots backing northwest by mid
afternoon. Waves subsiding to calm to 2 feet, then building to
1 to 3 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 20 knots becoming north
5 to 15 knots after midnight. Waves subsiding to calm to 2 feet.
.THURSDAY...Northwest winds 5 to 15 knots backing west by mid
afternoon. Waves calm to 2 feet.
.THURSDAY NIGHT...Southeast winds 5 to 15 knots veering south
after midnight. Waves calm to 2 feet.
.FRIDAY...South winds 5 to 15 knots increasing to 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.

$$

LSZ261-280345-
MAFOR 2721/
Superior West 12610 14710 11710 11610. A chance of showers
overnight and Tuesday. Waves 1 to 2 feet.

Superior North Central 12620 15720. Waves 1 to 3 feet.

Superior South Central 16720. Waves 2 to 4 feet subsiding to 1 to
3 feet tonight. Waves 1 to 3 feet Tuesday.

Superior East 12730 15720. Waves 2 to 4 feet.

$$

TAP

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

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