Expires:202207032145;;610071
FZUS63 KMQT 031339
GLFLS 

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
939 AM EDT Sun Jul 3 2022

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...Broad sfc high pressure of 30.2 inches will drift 
over the Great Lakes region today. As the high moves to the Mid- 
Atlantic states tonight, a 29.8 inch low pressure trough will 
develop northeast across the Northern Plains toward the Upper 
Mississippi Valley. This trough will develop farther into the 
northern Great Lakes on Monday. As the trough then aligns from the
Central Plains to the Lower Great Lakes region during Tuesday, a 
broad 30.1 inch high pressure will build southeast across northern
Ontario. As this high shifts toward southern Quebec on Wednesday,
a 29.9 inch low pressure trough will move east to the Dakotas. 
This trough will cross Lake Superior on Thursday or Friday. In its
wake, 30.2 inch high pressure will build southeast to northern 
Ontario. 

&&


LSZ267-032145-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
939 AM EDT Sun Jul 3 2022

.REST OF TODAY...West winds 5 to 15 knots veering northwest in
the afternoon, then veering northeast late. Waves calm to 2 feet.
.TONIGHT...Southeast winds 5 to 15 knots increasing to 10 to
20 knots late. A chance of showers through midnight, then showers
likely and a slight chance of thunderstorms after midnight. Waves
calm to 2 feet. 
.MONDAY...Southeast winds 10 to 20 knots. Showers likely and a
slight chance of thunderstorms. Waves calm to 2 feet. 
.MONDAY NIGHT...East winds 10 to 20 knots. A chance of showers
and thunderstorms. Waves calm to 2 feet. 
.TUESDAY...Northeast winds 10 to 20 knots backing north by mid
afternoon. Waves calm to 2 feet. 
.TUESDAY NIGHT...North winds 10 to 20 knots veering east after
midnight. Waves calm to 2 feet. 
.WEDNESDAY...East winds 10 to 20 knots veering southeast. Waves
calm to 2 feet. 
.THURSDAY...Northwest winds 5 to 15 knots increasing to 10 to
20 knots. Waves calm to 2 feet. 

$$