058
FZUS63 KMQT 091948
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
348 PM EDT Sun Jun 9 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... Weak troughing at 29.8 inches will be replaced by
ridging near 30.0 inches as it moves into Lake Superior by this
evening. The ridge builds to 30.1 inches over Lake Superior Monday
morning as the high moves overhead and gradually weakens to 30.0
inches Tuesday afternoon. A 29.4 inch low pressure system over
western Ontario Tuesday evening moves to near James Bay by
Wednesday evening, dragging a 29.6 inch trough over Lake Superior
Thursday. 30.0 inch ridging moves into Lake Superior on Friday.

LSZ162-100400-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
348 PM EDT Sun Jun 9 2024 /248 PM CDT Sun Jun 9 2024/

.LATE THIS AFTERNOON...West winds 10 to 20 knots. Waves calm to
2 feet.
.TONIGHT...West winds 5 to 15 knots veering north after midnight.
Waves calm to 2 feet.
.MONDAY...North winds 5 to 15 knots veering south in the
afternoon. Waves calm to 2 feet.
.MONDAY NIGHT...South winds 5 to 15 knots backing southeast after
midnight. Waves calm to 2 feet.
.TUESDAY...Southeast winds 5 to 15 knots becoming south 10 to
20 knots by mid afternoon. A chance of rain showers. A slight
chance of thunderstorms by mid afternoon. Waves calm to 2 feet.
.TUESDAY NIGHT...Southwest winds 10 to 20 knots veering west
after midnight. Waves calm to 2 feet.
.WEDNESDAY...Southwest winds 10 to 20 knots. Waves building to
1 to 3 feet, then subsiding to calm to 2 feet.
.WEDNESDAY NIGHT...Southwest winds 10 to 20 knots veering west
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...West winds 10 to 20 knots becoming northeast 5 to
15 knots. Waves calm to 2 feet.

$$

LSZ263-100400-
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-
348 PM EDT Sun Jun 9 2024

.LATE THIS AFTERNOON...West winds 10 to 20 knots. A slight chance
of showers. Waves calm to 2 feet.
.TONIGHT...West winds 5 to 15 knots veering north after midnight.
Waves calm to 2 feet.
.MONDAY...North winds 5 to 15 knots backing southwest in the
afternoon. Waves calm to 2 feet.
.MONDAY NIGHT...Southwest 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
by mid afternoon. A 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 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...Southwest winds 5 to 15 knots. A chance of
showers. Waves subsiding to calm to 2 feet.
.THURSDAY...West winds 5 to 15 knots. A chance of showers. Waves
calm to 2 feet.
.FRIDAY...West winds 5 to 15 knots backing southwest. Waves calm
to 2 feet.

$$

LSZ264-100400-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
348 PM EDT Sun Jun 9 2024

.LATE THIS AFTERNOON...Northwest winds 10 to 20 knots. Waves 1 to
3 feet.
.TONIGHT...North winds 5 to 15 knots. Waves 1 to 3 feet.
.MONDAY...North winds 5 to 15 knots backing west in the
afternoon. Waves subsiding to calm to 2 feet.
.MONDAY NIGHT...West winds 5 to 15 knots backing south late.
Waves calm to 2 feet.
.TUESDAY...South winds 5 to 15 knots backing southeast by mid
afternoon. A slight chance of showers by mid afternoon. Waves
calm to 2 feet.
.TUESDAY NIGHT...South winds 5 to 15 knots veering southwest
after midnight. A 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...Southwest winds 5 to 15 knots. A chance of
showers. Waves subsiding to calm to 2 feet.
.THURSDAY...West winds 10 to 20 knots diminishing to 5 to
15 knots. Waves calm to 2 feet.
.FRIDAY...West winds 5 to 15 knots. Waves calm to 2 feet.

$$

LSZ265-100400-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
348 PM EDT Sun Jun 9 2024

.LATE THIS AFTERNOON...Northwest winds 15 to 25 knots. A slight
chance of showers. Waves 2 to 4 feet.
.TONIGHT...Northwest winds 15 to 25 knots becoming north 10 to
20 knots after midnight. Waves subsiding to calm to 2 feet, then
building to 1 to 3 feet.
.MONDAY...North winds 10 to 20 knots backing northwest late.
Waves subsiding to calm to 2 feet.
.MONDAY NIGHT...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 by mid afternoon. A slight chance of showers by mid
afternoon. Waves calm to 2 feet.
.TUESDAY NIGHT...South winds 10 to 20 knots veering southwest
after midnight. A chance of showers. Waves calm to 2 feet.
.WEDNESDAY...West winds 10 to 20 knots backing southwest by mid
afternoon. Waves 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. A chance of showers. Waves
calm to 2 feet.
.FRIDAY...Northwest winds 10 to 20 knots becoming west 5 to
15 knots. Waves calm to 2 feet.

$$

LSZ266-100400-
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-
348 PM EDT Sun Jun 9 2024

.LATE THIS AFTERNOON...Northwest winds 15 to 25 knots. A slight
chance of showers. Waves 3 to 6 feet occasionally to 8 feet.
.TONIGHT...Northwest winds 15 to 25 knots becoming north 10 to
20 knots after midnight. Waves subsiding to 1 to 3 feet, then
building to 2 to 4 feet.
.MONDAY...North winds 10 to 20 knots backing northwest in the
afternoon. Waves subsiding to 1 to 3 feet.
.MONDAY NIGHT...Northwest winds 5 to 15 knots backing west after
midnight, then backing south late. Waves subsiding to calm to
2 feet.
.TUESDAY...South winds 5 to 15 knots backing southeast by mid
afternoon. Waves calm to 2 feet.
.TUESDAY NIGHT...South winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. A chance of showers. Waves building to
1 to 3 feet.
.WEDNESDAY...Southwest winds 10 to 20 knots. Waves subsiding to
calm to 2 feet.
.WEDNESDAY NIGHT...South winds 10 to 20 knots. A chance of
showers. Waves calm to 2 feet.
.THURSDAY...West winds 10 to 20 knots. A chance of showers. Waves
calm to 2 feet.
.FRIDAY...West winds 10 to 20 knots diminishing to 5 to 15 knots.
Waves calm to 2 feet.

$$

LSZ267-100400-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
348 PM EDT Sun Jun 9 2024

.LATE THIS AFTERNOON...North winds 15 to 25 knots. A chance of
showers. Waves 3 to 6 feet occasionally to 8 feet.
.TONIGHT...Northwest winds 15 to 25 knots becoming north 10 to
20 knots after midnight. Waves subsiding to 1 to 3 feet, then
building to 2 to 4 feet.
.MONDAY...North winds 10 to 20 knots becoming northwest 15 to
25 knots in the afternoon. Waves subsiding to 1 to 3 feet.
.MONDAY NIGHT...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...South winds 5 to 15 knots backing southeast by mid
afternoon. 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. Waves subsiding to
calm to 2 feet.
.WEDNESDAY NIGHT...South winds 10 to 20 knots. A chance of
showers. Waves calm to 2 feet.
.THURSDAY...West winds 10 to 20 knots. A chance of showers. Waves
calm to 2 feet.
.FRIDAY...West winds 10 to 20 knots becoming northwest 5 to
15 knots. Waves calm to 2 feet.

$$

LSZ261-100400-
MAFOR 0921/
Superior West 12600 11700 11800 11810 11800 11200 11400. Waves 1
foot or less.

Superior North Central 12720 13820 11810 11710 11610. Waves 1 to
3 feet.

Superior South Central 11730 11720 11710 13810 12710. Waves 3 to
5 feet subsiding to 1 to 3 feet tonight and Monday

Superior East 11830 12720 12820 11810 11710 11720. Waves 3 to 6
feet subsiding to 2 to 4 feet tonight and Monday.

$$

BW

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

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