Expires:202406132145;;944807
FZUS63 KMQT 131342
GLFLS 

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
942 AM EDT Thu Jun 13 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 29.6 inch trough over Lake Superior this morning
gives way to ridging the rest of today through Friday, with the
ridging building to 30.1 inches over the lake by Friday 
afternoon. This high pressure continues building to 30.2 inches 
as it moves over the central Great Lakes Saturday, and continues 
shifting east toward New England on Sunday. Deepening low pressure
near 29.4 inches emerges out of the High Plains Saturday night, 
moving northeast towards Hudson Bay Sunday into Monday as it
deepens to 29.0 inches. This low extends a 29.6 inch trough over 
Lake Superior Sunday night before weak ridging of 29.9 inches
moves over Lake Superior from the Northern Plains Monday. A low
pressure of at least 29.5 inches looks to move off the Colorado
Rockies into the Northern Plains early next week. 


LSZ267-132145-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
942 AM EDT Thu Jun 13 2024

.REST OF TODAY...Southwest winds 10 to 20 knots veering west in
the afternoon. A slight chance of showers and thunderstorms.
Patchy fog by mid afternoon. Waves calm to 2 feet building to
1 to 3 feet. 
.TONIGHT...West winds 10 to 20 knots veering northwest after
midnight. Waves subsiding to calm to 2 feet. 
.FRIDAY...Northwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. Waves calm to 2 feet. 
.FRIDAY NIGHT...Northwest winds 5 to 15 knots backing southeast
after midnight. Waves calm to 2 feet. 
.SATURDAY...Southeast winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. Waves calm to 2 feet. 
.SATURDAY NIGHT...Southeast winds 10 to 20 knots increasing to
15 to 25 knots after midnight. A chance of showers after
midnight. Waves building to 1 to 3 feet. 
.SUNDAY...Southeast winds 15 to 25 knots becoming south 10 to
20 knots. Showers likely. A chance of showers. Waves building to
2 to 4 feet, then subsiding to calm to 2 feet. 
.MONDAY...South winds 10 to 20 knots. A chance of showers. Waves
calm to 2 feet. 

$$