120
FZUS63 KMQT 280113
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
913 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 over Quebec this evening 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 into Thursday. The high begins to slowly
move towards the rest of the lower Great Lakes region late
Thursday and gets to the Mid Atlantic states by Saturday as it
weakens to 30.2 inches. Meanwhile, ridging weakens over Lake
Superior to 29.9 inches.

LSZ162-280915-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
913 PM EDT Mon May 27 2024 /813 PM CDT Mon May 27 2024/

.REST OF TONIGHT...Northwest winds 10 to 20 knots diminishing to
5 to 15 knots late. A slight chance of rain showers. Waves calm
to 2 feet.
.TUESDAY...Northwest winds 5 to 15 knots becoming west 10 to
20 knots in the afternoon, then veering north late. A chance of
showers and 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.

$$

LSZ263-280915-
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-
913 PM EDT Mon May 27 2024

.REST OF 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 backing west in the
afternoon, then veering north late. A slight chance of showers 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. 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.

$$

LSZ264-280915-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
913 PM EDT Mon May 27 2024

.REST OF TONIGHT...West winds 5 to 15 knots veering northwest
after midnight. Waves 1 to 3 feet.
.TUESDAY...Northwest winds 5 to 15 knots veering north late. A
slight chance of showers by mid afternoon. Waves subsiding to
calm to 2 feet, then building to 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.

$$

LSZ265-280915-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
913 PM EDT Mon May 27 2024

.REST OF TONIGHT...West winds 10 to 20 knots veering northwest
after midnight. Waves 1 to 3 feet subsiding to calm to 2 feet.
.TUESDAY...Northwest winds 10 to 20 knots veering north late.
Waves building to 1 to 3 feet, then subsiding to calm to 2 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.

$$

LSZ266-280915-
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-
913 PM EDT Mon May 27 2024

.REST OF TONIGHT...Northwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight, then diminishing to 10 to 20 knots
late. Waves 2 to 4 feet.
.TUESDAY...Northwest winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon, then becoming north 15 to 25 knots
late. 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.

$$

LSZ267-280915-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
913 PM EDT Mon May 27 2024

.REST OF TONIGHT...Northwest winds 15 to 25 knots diminishing to
10 to 20 knots late. A slight chance of rain showers by late
evening. Waves 2 to 4 feet.
.TUESDAY...Northwest winds 10 to 20 knots increasing to 15 to
25 knots late. 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.

$$
LSZ261-280915-
MAFOR 2803/
Superior West 13710 11700 12600 11700 11800. Waves 2 feet or
less.

Superior North Central 12720 13710 11720 11820 11810. Waves 1 to
3 feet.

Superior South Central 12720 11710 12720 11710 11820 11710. Waves
1 to 3 feet overnight and Tuesday. Waves 1 to 3 feet building to
2 to 4 feet Tuesday evening.

Superior East 13720 11710 12720 12820. 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