866
FZUS63 KMQT 090753
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
353 AM 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 29.7 inches will remain in place
through mid-morning over Lake Superior before ridging near 30.0
inches shifts over the area later today as high pressure moves
into the Canadian Prairies. 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 29.5 inch
low pressure system north of International Falls Minnesota Tuesday
evening moves to near James Bay by Wednesday evening, dragging a
29.6 inch trough over Lake Superior Thursday into Friday.

LSZ162-091600-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
353 AM EDT Sun Jun 9 2024 /253 AM CDT Sun Jun 9 2024/

.EARLY THIS MORNING...West winds 10 to 20 knots. Waves 1 to
3 feet.
.TODAY...Northwest winds 10 to 20 knots diminishing to 5 to
15 knots late. A slight chance of showers through early
afternoon. Waves subsiding to 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...Southeast winds 5 to 15 knots. Waves calm to
2 feet.
.TUESDAY...South winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. A chance of showers through early
afternoon, then showers likely by mid afternoon. Waves building
to 1 to 3 feet.
.TUESDAY NIGHT...Southwest winds 10 to 20 knots veering west
after midnight. A chance of showers through midnight. Waves
subsiding to calm to 2 feet.
.WEDNESDAY...Southwest winds 10 to 20 knots. A chance of showers.
A chance of thunderstorms. Waves building to 1 to 3 feet, then
subsiding to calm to 2 feet.
.THURSDAY...West winds 10 to 20 knots. Waves building to 1 to
3 feet, then subsiding to calm to 2 feet.

$$

LSZ263-091600-
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-
353 AM EDT Sun Jun 9 2024

.EARLY THIS MORNING...West winds 5 to 15 knots. A chance of
showers. Waves 1 to 3 feet.
.TODAY...Northwest winds 10 to 20 knots. A slight chance of
showers. Waves subsiding to 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 west in the
afternoon, then backing southwest late. Waves calm to 2 feet.
.MONDAY NIGHT...Southwest winds 5 to 15 knots backing south after
midnight. Waves calm to 2 feet.
.TUESDAY...South winds 5 to 15 knots increasing to 10 to 20 knots
by mid afternoon. A chance of showers. Waves building to 1 to
3 feet.
.TUESDAY NIGHT...Southwest winds 5 to 15 knots veering west after
midnight. A chance of showers. Waves 1 to 3 feet.
.WEDNESDAY...Southwest winds 10 to 20 knots diminishing to 5 to
15 knots. A chance of showers and thunderstorms. Waves subsiding
to calm to 2 feet.
.THURSDAY...West winds 10 to 20 knots diminishing to 5 to
15 knots. Waves building to 1 to 3 feet, then subsiding to calm
to 2 feet.

$$

LSZ264-091600-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
353 AM EDT Sun Jun 9 2024

.EARLY THIS MORNING...Northwest winds 10 to 20 knots. A chance of
showers. Waves 1 to 3 feet.
.TODAY...Northwest winds 15 to 25 knots veering north in the
afternoon, then becoming northwest 10 to 20 knots late. A slight
chance of showers through early afternoon. Waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet.
.TONIGHT...Northwest winds 10 to 20 knots veering north after
midnight, then diminishing to 5 to 15 knots late. Waves subsiding
to 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 after
midnight. Waves calm to 2 feet.
.TUESDAY...South winds 5 to 15 knots. A chance of showers by mid
afternoon. Waves calm to 2 feet.
.TUESDAY NIGHT...South winds 10 to 20 knots becoming west 5 to
15 knots after midnight. A chance of showers. Waves building to
1 to 3 feet.
.WEDNESDAY...West winds 10 to 20 knots becoming south 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 building to 1 to 3 feet, then subsiding to calm
to 2 feet.

$$

LSZ265-091600-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
353 AM EDT Sun Jun 9 2024

.EARLY THIS MORNING...Northwest winds 15 to 25 knots. A chance of
showers. Waves calm to 2 feet.
.TODAY...Northwest winds 15 to 25 knots. A slight chance of
showers. Waves building to 2 to 4 feet.
.TONIGHT...Northwest winds 15 to 25 knots becoming north 10 to
20 knots after midnight. Waves subsiding to 1 to 3 feet.
.MONDAY...North winds 10 to 20 knots diminishing to 5 to 15 knots
in the afternoon, then backing northwest late. Waves subsiding to
calm to 2 feet.
.MONDAY NIGHT...West winds 5 to 15 knots backing south after
midnight. Waves calm to 2 feet.
.TUESDAY...South winds 5 to 15 knots increasing to 10 to 20 knots
by mid afternoon. Waves calm to 2 feet.
.TUESDAY NIGHT...South winds 10 to 20 knots veering west after
midnight. A chance of showers. Waves calm to 2 feet.
.WEDNESDAY...West winds 10 to 20 knots becoming southwest 5 to
15 knots. A chance of showers and thunderstorms. Waves calm to
2 feet.
.THURSDAY...West winds 10 to 20 knots. Waves calm to 2 feet.

$$

LSZ266-091600-
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-
353 AM EDT Sun Jun 9 2024

.EARLY THIS MORNING...Northwest winds 15 to 25 knots. A chance of
showers. Waves 1 to 3 feet building to 2 to 4 feet.
.TODAY...Northwest winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon. A slight chance of showers. Waves
building to 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 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 south after
midnight. Waves subsiding to calm to 2 feet.
.TUESDAY...South winds 5 to 15 knots increasing to 10 to 20 knots
by mid afternoon. Waves building to 1 to 3 feet.
.TUESDAY NIGHT...South winds 15 to 25 knots becoming southwest
10 to 20 knots after midnight. A chance of showers. Waves
building to 2 to 4 feet, then subsiding to 1 to 3 feet.
.WEDNESDAY...West winds 10 to 20 knots becoming south 5 to
15 knots. A chance of showers. Waves subsiding to calm to 2 feet.
.THURSDAY...West winds 10 to 20 knots veering northwest. A chance
of showers. Waves building to 1 to 3 feet, then subsiding to calm
to 2 feet.

$$

LSZ267-091600-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
353 AM EDT Sun Jun 9 2024

.EARLY THIS MORNING...Northwest winds 15 to 25 knots. A chance of
showers. Waves 1 to 3 feet.
.TODAY...Northwest winds 15 to 25 knots veering north late. A
chance of showers. Waves building to 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 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, then
building to 2 to 4 feet.
.MONDAY NIGHT...Northwest winds 5 to 15 knots backing west after
midnight. Waves subsiding to calm to 2 feet.
.TUESDAY...South winds 5 to 15 knots becoming southeast 10 to
20 knots 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
2 to 4 feet, then subsiding to 1 to 3 feet.
.WEDNESDAY...West winds 10 to 20 knots backing south. A chance of
showers. Waves subsiding to calm to 2 feet.
.THURSDAY...West winds 10 to 20 knots veering northwest. A chance
of showers. Waves calm to 2 feet.

$$

LSZ261-091600-
MAFOR 0909/
Superior West 11610 13710 12600 11700 11800. Waves 1 to 3 feet
today. Waves 2 feet or less tonight.

Superior North Central 11720 13730 12720 11820 11810. A chance of
showers this morning. Waves 2 to 4 feet building to 3 to 5 feet
today. Waves 2 to 4 feet tonight.

Superior South Central 14730 11730 12720 11820. A chance of
showers this morning. Waves 2 to 4 feet building to 3 to 5 feet
today, then subsiding to 2 to 4 feet tonight.

Superior East 14730 11830 12720 11820. A chance of showers this
morning. Waves 2 to 4 feet building to 3 to 6 feet today through
tonight.


$$

WFO MQT

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

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