851
FZUS63 KMQT 280818
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
418 AM EDT Fri Jun 28 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 pressure approaching from the
Northern Plains will weaken to 29.6 inches as it tracks across
Lake Superior tonight and Saturday morning. As the low heads
toward southern Quebec on Saturday, 30.2 inch high pressure will
build over the Northern Plains. The high will then build to 30.3
inches as it shifts east, reaching the Western Great Lakes Sunday
evening before moving into the Lower Great Lakes Monday. Expect
pressure falls Tuesday before a surface low moving through Ontario
drags a 29.7 inch trough across the lake Tuesday afternoon and
evening.

LSZ162-281630-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
418 AM EDT Fri Jun 28 2024 /318 AM CDT Fri Jun 28 2024/

.EARLY THIS MORNING...East winds 10 to 20 knots. Showers likely
and a slight chance of thunderstorms. Waves calm to 2 feet.
.TODAY...South winds 15 to 25 knots veering southwest late.
Patchy fog through early afternoon. Showers through early
afternoon. A slight chance of thunderstorms. A chance of showers
by mid afternoon. Waves building to 2 to 4 feet, then subsiding
to 1 to 3 feet.
.TONIGHT...Southwest winds 10 to 20 knots veering west after
midnight. Patchy fog. A slight chance of thunderstorms through
midnight. A chance of showers. Waves subsiding to calm to 2 feet.
.SATURDAY...Northwest winds 10 to 20 knots veering north in the
afternoon. A slight chance of showers through early afternoon.
Waves calm to 2 feet.
.SATURDAY NIGHT...West winds 10 to 20 knots becoming northwest
5 to 15 knots after midnight. Waves calm to 2 feet.
.SUNDAY...West winds 5 to 15 knots backing southwest by mid
afternoon. Waves calm to 2 feet.
.SUNDAY NIGHT...South winds 5 to 15 knots. Waves calm to 2 feet.
.MONDAY...Southeast winds 10 to 20 knots increasing to 15 to
25 knots. A chance of showers, then showers and a chance of
thunderstorms. Waves building to 2 to 4 feet.
.TUESDAY...Southwest winds 15 to 25 knots becoming west 10 to
20 knots. A chance of showers. Waves subsiding to calm to 2 feet.

$$

LSZ263-281630-
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-
418 AM EDT Fri Jun 28 2024

.EARLY THIS MORNING...South winds 10 to 20 knots. A chance of
showers. Waves calm to 2 feet.
.TODAY...South winds 15 to 25 knots. Patchy fog. Showers through
early afternoon. A slight chance of thunderstorms. A chance of
showers by mid afternoon. Waves building to 2 to 4 feet.
.TONIGHT...Southwest winds 5 to 15 knots veering west after
midnight. Patchy fog. A chance of showers and a slight chance of
thunderstorms. Waves subsiding to calm to 2 feet.
.SATURDAY...Northwest winds 10 to 20 knots becoming north 15 to
25 knots in the afternoon, then diminishing to 10 to 20 knots
late. A slight chance of thunderstorms through early afternoon. A
slight chance of showers. Waves building to 2 to 4 feet, then
subsiding to 1 to 3 feet.
.SATURDAY NIGHT...Northwest winds 5 to 15 knots backing west
after midnight. Waves subsiding to calm to 2 feet.
.SUNDAY...West winds 5 to 15 knots backing southwest by mid
afternoon. Waves calm to 2 feet.
.SUNDAY NIGHT...Southwest winds 5 to 15 knots backing south after
midnight. Waves calm to 2 feet.
.MONDAY...Southeast winds 10 to 20 knots veering south. Showers.
Waves building to 2 to 4 feet.
.TUESDAY...South winds 15 to 25 knots becoming southwest 5 to
15 knots. A chance of showers. Waves subsiding to 1 to 3 feet.

$$

LSZ264-281630-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
418 AM EDT Fri Jun 28 2024

.EARLY THIS MORNING...South winds 5 to 15 knots. A chance of
showers. Waves 1 to 3 feet building to 2 to 4 feet.
.TODAY...South winds 15 to 25 knots backing southeast in the
afternoon, then veering south late. Patchy fog. Showers through
early afternoon. A chance of showers by mid afternoon. Waves
building to 3 to 6 feet occasionally to 8 feet.
.TONIGHT...South winds 10 to 20 knots becoming west 5 to 15 knots
after midnight. Patchy fog. A chance of showers and a slight
chance of thunderstorms. Waves subsiding to 1 to 3 feet.
.SATURDAY...Northwest winds 10 to 20 knots becoming north 15 to
25 knots in the afternoon. A slight chance of thunderstorms
through early afternoon. A slight chance of showers. Waves
building to 3 to 6 feet occasionally to 8 feet.
.SATURDAY NIGHT...North winds 10 to 20 knots becoming northwest
5 to 15 knots after midnight. Waves subsiding to calm to 2 feet.
.SUNDAY...West winds 5 to 15 knots. Waves calm to 2 feet.
.SUNDAY NIGHT...Southwest winds 5 to 15 knots. Waves calm to
2 feet.
.MONDAY...Southeast winds 10 to 20 knots becoming south 15 to
25 knots. A chance of showers. Waves building to 3 to 5 feet
occasionally to 7 feet.
.TUESDAY...South winds 15 to 25 knots becoming southwest 5 to
15 knots. Showers likely. Waves building to 3 to 6 feet
occasionally to 8 feet, then subsiding to 1 to 3 feet.

$$

LSZ265-281630-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
418 AM EDT Fri Jun 28 2024

.EARLY THIS MORNING...South winds 10 to 20 knots. Waves 1 to
3 feet.
.TODAY...South winds 15 to 25 knots becoming southeast 20 to
30 knots in the afternoon, then veering south late. Showers. A
slight chance of thunderstorms by mid afternoon. Patchy fog by
mid afternoon. Waves building to 3 to 5 feet occasionally to
7 feet.
.TONIGHT...South winds 10 to 20 knots veering west late. Patchy
fog. A chance of showers and a slight chance of thunderstorms.
Waves subsiding to calm to 2 feet.
.SATURDAY...Northwest winds 10 to 20 knots increasing to 20 to
30 knots in the afternoon, then veering north late. A slight
chance of showers. Waves building to 3 to 6 feet occasionally to
8 feet.
.SATURDAY NIGHT...North winds 15 to 25 knots becoming northwest
10 to 20 knots after midnight. Waves subsiding to 1 to 3 feet.
.SUNDAY...Northwest winds 10 to 20 knots. Waves subsiding to calm
to 2 feet.
.SUNDAY NIGHT...West winds 5 to 15 knots backing southwest after
midnight. Waves calm to 2 feet.
.MONDAY...Southeast winds 10 to 20 knots increasing to 15 to
25 knots. A chance of showers. Waves building to 1 to 3 feet.
.TUESDAY...South winds 15 to 25 knots becoming southwest 10 to
20 knots. Showers likely. A chance of showers. Waves building to
2 to 4 feet, then subsiding to calm to 2 feet.

$$

LSZ266-281630-
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-
418 AM EDT Fri Jun 28 2024

.EARLY THIS MORNING...South winds 10 to 20 knots. Waves 1 to
3 feet building to 2 to 4 feet.
.TODAY...South winds 15 to 25 knots increasing to 20 to 30 knots
in the afternoon, then backing southeast late. A chance of
showers through early afternoon, then showers and a slight chance
of thunderstorms by mid afternoon. Patchy fog by mid afternoon.
Waves building to 3 to 6 feet occasionally to 8 feet.
.TONIGHT...South winds 15 to 25 knots diminishing to 10 to
20 knots after midnight, then veering west late. Patchy dense
fog. A chance of showers and a slight chance of thunderstorms.
Waves subsiding to 1 to 3 feet.
.SATURDAY...West winds 10 to 20 knots becoming northwest 15 to
25 knots in the afternoon, then increasing to 20 to 30 knots
late. A slight chance of showers and thunderstorms through early
afternoon. Waves building to 4 to 7 feet occasionally to 9 feet.
.SATURDAY NIGHT...Northwest winds 15 to 25 knots. A slight chance
of showers through midnight. Waves building to 5 to 8 feet
occasionally to 10 feet, then subsiding to 2 to 4 feet.
.SUNDAY...Northwest winds 10 to 20 knots backing west by mid
afternoon. Waves subsiding to calm to 2 feet.
.SUNDAY NIGHT...West winds 5 to 15 knots backing southwest after
midnight. Waves calm to 2 feet.
.MONDAY...South winds 10 to 20 knots increasing to 15 to
25 knots. Waves building to 3 to 5 feet occasionally to 7 feet.
.TUESDAY...South winds 15 to 25 knots becoming southwest 10 to
20 knots. Showers likely. A chance of showers. Waves building to
3 to 6 feet occasionally to 8 feet, then subsiding to 1 to
3 feet.

$$

LSZ267-281630-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
418 AM EDT Fri Jun 28 2024

.EARLY THIS MORNING...South winds 10 to 20 knots. Waves calm to
2 feet.
.TODAY...South winds 15 to 25 knots increasing to 20 to 30 knots
in the afternoon, then backing southeast late. A chance of
showers through early afternoon, then showers and a slight chance
of thunderstorms by mid afternoon. Waves building to 3 to 5 feet
occasionally to 7 feet.
.TONIGHT...South winds 20 to 30 knots diminishing to 15 to
25 knots after midnight, then veering southwest late. Patchy fog.
Showers likely through midnight. A slight chance of
thunderstorms. A chance of showers after midnight. Waves
subsiding to 1 to 3 feet.
.SATURDAY...West winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon, then becoming northwest 20 to 30 knots
late. A slight chance of thunderstorms through early afternoon. A
slight chance of showers. Waves building to 4 to 7 feet
occasionally to 9 feet.
.SATURDAY NIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. A slight chance of showers through
midnight. Waves building to 5 to 8 feet occasionally to 10 feet,
then subsiding to 2 to 4 feet.
.SUNDAY...Northwest winds 10 to 20 knots backing west by mid
afternoon. Waves subsiding to calm to 2 feet.
.SUNDAY NIGHT...West winds 5 to 15 knots. Waves calm to 2 feet.
.MONDAY...Southeast winds 5 to 15 knots becoming south 10 to
20 knots. A chance of showers. Waves building to 2 to 4 feet.
.TUESDAY...South winds 20 to 30 knots diminishing to 10 to
20 knots. Showers likely, then a chance of showers. Waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
calm to 2 feet.

$$

LSZ261-281630-
MAFOR 2809/
Superior West 11326 11426 11436 12420 11510 12610. Waves 1 to 3
feet building to 2 to 4 feet today. Waves 1 to 3 feet tonight.

Superior North Central 12420 12336 11430 11420 11510 11610 19614.
Waves 1 to 3 feet building to 3 to 6 feet today. Waves 3 to 6
feet subsiding to 2 to 4 feet tonight.

Superior South Central 11420 11430 11436 11336 11440 11430 11420
11510. Waves 1 to 3 feet building to 3 to 5 feet today. Waves 3
to 5 feet subsiding to 1 to 3 feet tonight.

Superior East 11410 11420 11430 12336 11436 11430 11530. Waves 1
to 3 feet building to 3 to 5 feet today. Waves 3 to 6 feet
tonight.

$$

Voss

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weather.gov/mqt/glftable

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weather.gov/greatlakes