Expires:202207032145;;610070
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. 

&&


LSZ266-032145-
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-
939 AM EDT Sun Jul 3 2022

.REST OF TODAY...West winds 5 to 15 knots backing east late.
Waves calm to 2 feet. 
.TONIGHT...Southeast winds 5 to 15 knots increasing to 10 to
20 knots after midnight. 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 backing east late.
Showers likely and a slight chance of thunderstorms. Waves
building to 1 to 3 feet, then subsiding to calm to 2 feet. 
.MONDAY NIGHT...East winds 10 to 20 knots backing northeast after
midnight. 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 5 to 15 knots veering east after
midnight. Waves calm to 2 feet. 
.WEDNESDAY...East winds 5 to 15 knots becoming south 10 to
20 knots. Waves calm to 2 feet. 
.THURSDAY...Northwest winds 5 to 15 knots veering north. Waves
calm to 2 feet. 

$$