Expires:202207032145;;610068
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. 

&&


LSZ264-032145-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
939 AM EDT Sun Jul 3 2022

.REST OF TODAY...West winds less than 10 knots backing southwest
in the afternoon, then becoming southeast 5 to 15 knots late.
Waves calm to 2 feet. 
.TONIGHT...Southeast winds 5 to 15 knots backing east late. A
chance of showers through midnight, then showers likely and a
slight chance of thunderstorms after midnight. Patchy fog after
midnight. Waves calm to 2 feet. 
.MONDAY...East winds 5 to 15 knots. Patchy fog through early
afternoon. A chance of showers and a slight chance of
thunderstorms. Waves building to 1 to 3 feet. 
.MONDAY NIGHT...East winds 5 to 15 knots backing northeast after
midnight. A chance of showers and a slight chance of
thunderstorms. Waves subsiding to calm to 2 feet. 
.TUESDAY...Northeast winds 5 to 15 knots. Waves calm to 2 feet. 
.TUESDAY NIGHT...Northeast winds less than 10 knots veering east
after midnight. Waves calm to 2 feet. 
.WEDNESDAY...East winds 5 to 15 knots. Waves calm to 2 feet. 
.THURSDAY...West winds 5 to 15 knots veering northeast. Waves
calm to 2 feet. 

$$