404
FZUS63 KMQT 101951
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
351 PM EDT Mon Jun 10 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... 30.0 inch high pressure has dropped anchor over the
Upper Great Lakes this afternoon and will drift southeast toward
the lower lakes overnight into Tuesday morning. A 29.5 inch low
pressure system near Lake Winnipeg Tuesday morning will move to
near James Bay by Wednesday evening, dragging a 29.6 inch trough
over Lake Superior Thursday morning. 30.1 inch ridging moves into
the High Plains late Thursday into Friday, becoming centered over Lake
Superior on Friday afternoon. High pressure builds to 30.2 inches
and moves over the central Great Lakes Saturday.


LSZ162-110400-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
351 PM EDT Mon Jun 10 2024 /251 PM CDT Mon Jun 10 2024/

.LATE THIS AFTERNOON...South winds 5 to 15 knots. Waves calm to
2 feet.
.TONIGHT...Southeast winds 5 to 15 knots backing east after
midnight, then veering southeast late. Waves calm to 2 feet.
.TUESDAY...Southeast winds 5 to 15 knots backing east in the
afternoon, then becoming south 10 to 20 knots late. A chance of
rain showers. Waves calm to 2 feet.
.TUESDAY NIGHT...South winds 5 to 15 knots veering southwest
after midnight. A slight chance of showers through midnight.
Waves calm to 2 feet.
.WEDNESDAY...Southwest winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. A chance of showers and thunderstorms
by mid afternoon. Waves building to 1 to 3 feet.
.WEDNESDAY NIGHT...Southwest winds 10 to 20 knots veering west
after midnight. Showers likely through midnight. A chance of
thunderstorms. Waves subsiding to calm to 2 feet.
.THURSDAY...West winds 15 to 25 knots. A chance of showers. Waves
building to 1 to 3 feet.
.THURSDAY NIGHT...West winds 10 to 20 knots veering northwest
after midnight. Waves subsiding to calm to 2 feet.
.FRIDAY...South winds 10 to 20 knots becoming northeast 5 to
15 knots. Waves calm to 2 feet.
.SATURDAY...East winds 5 to 15 knots increasing to 10 to
20 knots. Showers likely and a chance of thunderstorms. Waves
building to 1 to 3 feet, then subsiding to calm to 2 feet.

$$

LSZ263-110400-
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-
351 PM EDT Mon Jun 10 2024

.LATE THIS AFTERNOON...West winds 5 to 15 knots. Waves calm to
2 feet.
.TONIGHT...West 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
late. A chance of rain showers. Waves calm to 2 feet.
.TUESDAY NIGHT...South winds 5 to 15 knots veering southwest
after midnight. A slight chance of showers. Waves building to
1 to 3 feet.
.WEDNESDAY...Southwest winds 10 to 20 knots. A slight chance of
showers and thunderstorms by mid afternoon. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Southwest winds 5 to 15 knots. Showers likely
through midnight. A chance of thunderstorms. A chance of showers
after midnight. Waves subsiding to calm to 2 feet.
.THURSDAY...West winds 10 to 20 knots. Waves building to 2 to
4 feet, then subsiding to 1 to 3 feet.
.THURSDAY NIGHT...West winds 5 to 15 knots veering northwest
after midnight. Waves subsiding to calm to 2 feet.
.FRIDAY...South winds 5 to 15 knots backing southeast. Waves calm
to 2 feet.
.SATURDAY...Southeast winds 5 to 15 knots increasing to 10 to
20 knots. A chance of showers. Waves building to 1 to 3 feet.

$$

LSZ264-110400-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
351 PM EDT Mon Jun 10 2024

.LATE THIS AFTERNOON...West winds 5 to 15 knots. Waves calm to
2 feet.
.TONIGHT...West winds 5 to 15 knots backing south late. Waves
calm to 2 feet.
.TUESDAY...South winds 5 to 15 knots backing southeast in the
afternoon, then increasing to 10 to 20 knots late. A chance of
rain showers by mid afternoon. Waves building to 1 to 3 feet.
.TUESDAY NIGHT...South winds 10 to 20 knots diminishing to 5 to
15 knots after midnight, then veering southwest late. A chance of
showers. Waves building to 2 to 4 feet, then subsiding to 1 to
3 feet.
.WEDNESDAY...Southwest winds 10 to 20 knots. A slight chance of
showers and thunderstorms by mid afternoon. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...South winds 5 to 15 knots veering southwest
after midnight. A chance of showers and thunderstorms. Waves
subsiding to calm to 2 feet.
.THURSDAY...West winds 10 to 20 knots. Waves building to 1 to
3 feet.
.THURSDAY NIGHT...West winds 5 to 15 knots veering northwest
after midnight. Waves subsiding to calm to 2 feet.
.FRIDAY...West winds 5 to 15 knots backing south. Waves calm to
2 feet.
.SATURDAY...Southeast winds 5 to 15 knots increasing to 10 to
20 knots. A chance of showers. Waves building to 1 to 3 feet.

$$

LSZ265-110400-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
351 PM EDT Mon Jun 10 2024

.LATE THIS AFTERNOON...Northwest winds 10 to 20 knots. Waves calm
to 2 feet.
.TONIGHT...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 in the afternoon. A chance of showers by mid afternoon.
Waves building to 1 to 3 feet.
.TUESDAY NIGHT...South winds 10 to 20 knots veering southwest
late. A chance of showers. Waves subsiding to calm to 2 feet.
.WEDNESDAY...Southwest winds 10 to 20 knots. A slight chance of
showers and thunderstorms by mid afternoon. Waves calm to 2 feet.
.WEDNESDAY NIGHT...South winds 10 to 20 knots veering southwest
after midnight. A chance of showers and thunderstorms. Waves calm
to 2 feet.
.THURSDAY...West winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. Waves calm to 2 feet.
.THURSDAY NIGHT...West winds 10 to 20 knots veering northwest
after midnight. Waves calm to 2 feet.
.FRIDAY...Northwest winds 10 to 20 knots becoming south 5 to
15 knots. Waves calm to 2 feet.
.SATURDAY...Southeast winds 5 to 15 knots increasing to 10 to
20 knots. A chance of showers. Waves calm to 2 feet.

$$

LSZ266-110400-
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-
351 PM EDT Mon Jun 10 2024

.LATE THIS AFTERNOON...Northwest winds 10 to 20 knots. Waves 1 to
3 feet.
.TONIGHT...Northwest winds 5 to 15 knots backing south late.
Waves subsiding to calm to 2 feet.
.TUESDAY...South winds 5 to 15 knots backing southeast in the
afternoon, then increasing to 10 to 20 knots late. A chance of
rain showers by mid afternoon. Waves building to 1 to 3 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...South winds 10 to 20 knots. A slight chance of
showers and thunderstorms by mid afternoon. Waves subsiding to
calm to 2 feet.
.WEDNESDAY NIGHT...South winds 10 to 20 knots. A chance of
showers and thunderstorms. Waves calm to 2 feet.
.THURSDAY...West winds 10 to 20 knots. Waves building to 1 to
3 feet.
.THURSDAY NIGHT...West winds 10 to 20 knots veering northwest
after midnight. Waves subsiding to calm to 2 feet.
.FRIDAY...Northwest winds 10 to 20 knots diminishing to 5 to
15 knots. Waves calm to 2 feet.
.SATURDAY...Southeast winds 5 to 15 knots increasing to 10 to
20 knots. A chance of showers. Waves building to 1 to 3 feet.

$$

LSZ267-110400-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
351 PM EDT Mon Jun 10 2024

.LATE THIS AFTERNOON...Northwest winds 10 to 20 knots. Waves 2 to
4 feet.
.TONIGHT...Northwest winds 10 to 20 knots becoming north 5 to
15 knots after midnight, then veering south late. Waves subsiding
to calm to 2 feet.
.TUESDAY...Southeast winds 5 to 15 knots increasing to 10 to
20 knots late. A slight chance of showers by mid afternoon. Waves
calm to 2 feet.
.TUESDAY NIGHT...South winds 10 to 20 knots increasing to 15 to
25 knots after midnight, then diminishing to 10 to 20 knots late.
A chance of showers. Waves building to 1 to 3 feet.
.WEDNESDAY...South winds 10 to 20 knots. A slight chance of
showers and thunderstorms by mid afternoon. Waves subsiding to
calm to 2 feet.
.WEDNESDAY NIGHT...South winds 10 to 20 knots. A chance of
showers and thunderstorms. Waves calm to 2 feet.
.THURSDAY...Southwest winds 10 to 20 knots veering west by mid
afternoon. A chance of showers. Waves calm to 2 feet.
.THURSDAY NIGHT...West winds 10 to 20 knots veering northwest
after midnight. Waves calm to 2 feet.
.FRIDAY...Northwest winds 10 to 20 knots diminishing to 5 to
15 knots. Waves calm to 2 feet.
.SATURDAY...Southeast winds 5 to 15 knots increasing to 10 to
20 knots. A chance of showers. Waves building to 1 to 3 feet.

$$

LSZ261-110400-
MAFOR 1021/
Superior West 11500 11400 14300 11410 11416. Waves 2 feet or
less.

Superior North Central 12610 12600 11400 12310 11320. Waves 1 to
3 feet.

Superior South Central 11710 12700 11500 11400 11300 11310 11320.
Waves 2 feet or less tonight building to 2 to 3 feet Tuesday.

Superior East 11720 11710 11810 11800 12400 11300 11310. Waves 1
to 3 feet.

$$

BW

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

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