744
FZUS63 KMQT 270126
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
926 PM EDT Sun May 26 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 29.5 inch low over southern Wisconsin this evening
continues lifting northeast, deepening to 29.4 inches as it
tracks across northern Lower Michigan Monday morning and then into
Quebec by 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
Great Lakes region Friday as a 29.9 inch low pressure lifts
through the Northern Plains.

LSZ162-270930-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
926 PM EDT Sun May 26 2024 /826 PM CDT Sun May 26 2024/

.REST OF TONIGHT...Northeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight, then backing north late. Patchy
fog. Waves calm to 2 feet.
.MONDAY...West winds 5 to 15 knots increasing to 10 to 20 knots
in the afternoon. Patchy fog through early afternoon. Isolated
rain showers by mid afternoon. Waves calm to 2 feet.
.MONDAY NIGHT...Northwest winds 10 to 20 knots. A chance of
showers. Waves building to 1 to 3 feet.
.TUESDAY...Northwest winds 10 to 20 knots. A chance of showers. A
slight chance of thunderstorms by mid afternoon. Waves subsiding
to calm to 2 feet.
.TUESDAY NIGHT...North winds 5 to 15 knots. Waves calm to 2 feet.
.WEDNESDAY...North winds 5 to 15 knots veering south by mid
afternoon. Waves calm to 2 feet.
.WEDNESDAY NIGHT...Southeast 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. Waves calm to 2 feet.
.FRIDAY...South winds 10 to 20 knots veering southwest. A chance
of showers. Waves calm to 2 feet.

$$

LSZ263-270930-
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-
926 PM EDT Sun May 26 2024

.REST OF TONIGHT...East winds 5 to 15 knots backing north late.
Isolated rain showers by late evening. Patchy fog. Waves calm to
2 feet building to 1 to 3 feet.
.MONDAY...North winds 5 to 15 knots backing west late. Waves
subsiding to calm to 2 feet.
.MONDAY NIGHT...West winds 5 to 15 knots veering northwest after
midnight. A slight chance of rain showers after midnight. Waves
1 to 3 feet.
.TUESDAY...Northwest winds 10 to 20 knots. A chance of showers.
Waves subsiding to calm to 2 feet.
.TUESDAY NIGHT...North winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. Waves building to 1 to 3 feet, then
subsiding to calm to 2 feet.
.WEDNESDAY...North winds 5 to 15 knots backing southwest by mid
afternoon. Waves calm to 2 feet.
.WEDNESDAY NIGHT...West winds 5 to 15 knots. Waves calm to
2 feet.
.THURSDAY...South winds 5 to 15 knots. Waves calm to 2 feet.
.FRIDAY...South winds 5 to 15 knots. A chance of showers. Waves
calm to 2 feet.

$$

LSZ264-270930-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
926 PM EDT Sun May 26 2024

.REST OF TONIGHT...East winds 5 to 15 knots backing northeast
after midnight, then increasing to 10 to 20 knots late. Isolated
rain showers. Waves calm to 2 feet building to 2 to 4 feet.
.MONDAY...North winds 10 to 20 knots backing northwest late.
Isolated rain showers. Waves 2 to 4 feet.
.MONDAY NIGHT...Northwest winds 10 to 20 knots. A slight chance
of showers. Waves 2 to 4 feet.
.TUESDAY...Northwest winds 10 to 20 knots. A slight chance of
showers. Waves 2 to 4 feet.
.TUESDAY NIGHT...North winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. Waves subsiding to 1 to 3 feet.
.WEDNESDAY...North winds 5 to 15 knots backing west by mid
afternoon. Waves subsiding to calm to 2 feet.
.WEDNESDAY NIGHT...West winds 5 to 15 knots. Waves calm to
2 feet.
.THURSDAY...South winds 5 to 15 knots. Waves calm to 2 feet.
.FRIDAY...South winds 5 to 15 knots. Waves calm to 2 feet.

$$

LSZ265-270930-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
926 PM EDT Sun May 26 2024

.REST OF TONIGHT...Northeast winds 15 to 25 knots. Scattered
showers. Waves 1 to 3 feet building to 2 to 4 feet.
.MONDAY...North winds 15 to 25 knots backing northwest late.
Scattered showers. Waves building to 3 to 5 feet occasionally to
7 feet.
.MONDAY NIGHT...Northwest winds 15 to 25 knots. A slight chance
of showers. Waves subsiding to 1 to 3 feet.
.TUESDAY...Northwest winds 15 to 25 knots. A chance of showers.
Waves 1 to 3 feet.
.TUESDAY NIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. Waves 1 to 3 feet.
.WEDNESDAY...North winds 10 to 20 knots backing northwest by mid
afternoon. Waves subsiding to calm to 2 feet.
.WEDNESDAY NIGHT...West winds 5 to 15 knots. Waves calm to
2 feet.
.THURSDAY...East winds 5 to 15 knots becoming south 10 to
20 knots. Waves calm to 2 feet.
.FRIDAY...Southeast winds 10 to 20 knots veering south. A chance
of showers. Waves calm to 2 feet.

$$

LSZ266-270930-
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-
926 PM EDT Sun May 26 2024

.REST OF TONIGHT...Northeast winds 15 to 25 knots. Isolated
showers by late evening, then numerous showers and a slight
chance of thunderstorms after midnight. Waves 1 to 3 feet
building to 3 to 6 feet occasionally to 8 feet.
.MONDAY...North winds 20 to 30 knots becoming northwest 15 to
25 knots late. Patchy fog through early afternoon. Scattered
showers. Waves 3 to 6 feet occasionally to 8 feet.
.MONDAY NIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. A chance of showers. Waves
building to 4 to 7 feet occasionally to 9 feet, then subsiding to
3 to 6 feet occasionally to 8 feet.
.TUESDAY...Northwest winds 15 to 25 knots. A chance of showers.
Waves subsiding to 3 to 5 feet occasionally to 7 feet.
.TUESDAY NIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. Waves subsiding to 2 to 4 feet.
.WEDNESDAY...North winds 10 to 20 knots backing northwest by mid
afternoon. Waves subsiding to 1 to 3 feet.
.WEDNESDAY NIGHT...Northwest winds 5 to 15 knots. Waves subsiding
to calm to 2 feet.
.THURSDAY...Northwest winds 5 to 15 knots backing south. Waves
calm to 2 feet.
.FRIDAY...South winds 10 to 20 knots. Waves calm to 2 feet.

$$

LSZ267-270930-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
926 PM EDT Sun May 26 2024

.REST OF TONIGHT...Northeast winds 15 to 25 knots. Isolated
showers by late evening, then numerous showers and a slight
chance of thunderstorms after midnight. Waves 1 to 3 feet
subsiding to calm to 2 feet, then building to 3 to 5 feet
occasionally to 7 feet.
.MONDAY...Northeast winds 15 to 25 knots backing north in the
afternoon. Patchy fog through early afternoon. Showers. Waves
building to 3 to 6 feet occasionally to 8 feet.
.MONDAY NIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots late. Showers likely through midnight, then a
chance of showers after midnight. Waves building to 4 to 7 feet
occasionally to 9 feet.
.TUESDAY...Northwest winds 15 to 25 knots. A chance of showers.
Waves subsiding to 3 to 5 feet occasionally to 7 feet.
.TUESDAY NIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. Waves subsiding to 2 to 4 feet.
.WEDNESDAY...North winds 10 to 20 knots backing northwest by mid
afternoon. Waves subsiding to 1 to 3 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. Waves subsiding to calm to 2 feet.
.THURSDAY...Northwest winds 5 to 15 knots backing south. Waves
calm to 2 feet.
.FRIDAY...Southeast winds 10 to 20 knots veering south. Waves
calm to 2 feet.

$$
LSZ261-270930-
MAFOR 2703/
Superior West 12110 12810 11710 13610. Waves 1 to 3 feet.

Superior North Central 14120 11820 13720. Waves 1 to 3 feet
overnight. Waves 2 to 4 feet Monday and Monday evening.

Superior South Central 11120 19126 11130 19136 11136 12830 19836
12720 19726 11720. Waves 2 to 4 feet overnight. Waves 3 to 5 feet
Monday and Monday evening.

Superior East 11130 11130 19136 12136 12836 12736. Waves 2 to 3
feet building to 3 to 5 feet overnight. Waves 3 to 6 feet Monday
and Monday evening.

$$

TAP

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

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