Expires:202405141000;;167891
FZUS63 KMQT 140150
GLFLS 

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
950 PM EDT Mon May 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 30.2 inch high pressure over western Hudson Bay is 
extending a 29.9 inch ridge over western Lake Superior this 
evening. This ridge builds to 30.0 inches overnight and will 
remain over Lake Superior until Wednesday night. Meanwhile, a 29.7
inch trough emerging over the Northern Plains on Tuesday weakens 
to 29.8 inches as it shifts to the Upper Mississippi Valley during
Wednesday night and Thursday. The trough deepens to 29.7 inches 
over Lake Superior Thursday night and remains through Friday. As 
the trough arrives in James Bay midday Saturday, weak ridging of 
29.8 inches will be over the lake as another low pressure transits
through the Northern Plains.


LSZ162-141000-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
950 PM EDT Mon May 13 2024 /850 PM CDT Mon May 13 2024/

.REST OF TONIGHT...Northeast winds 5 to 15 knots. Waves calm to
2 feet. 
.TUESDAY...Northeast winds 10 to 20 knots becoming east 5 to
15 knots in the afternoon, then backing northeast late. Waves
calm to 2 feet. 
.TUESDAY NIGHT...Northeast winds 5 to 15 knots. Waves calm to
2 feet. 
.WEDNESDAY...Northeast winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. A slight chance of rain showers by mid
afternoon. Waves building to 3 to 6 feet occasionally to 8 feet. 
.WEDNESDAY NIGHT...Northeast winds 10 to 20 knots. A chance of
rain showers through midnight, then rain showers likely after
midnight. Waves subsiding to 1 to 3 feet. 
.THURSDAY...East winds 10 to 20 knots backing northeast by mid
afternoon. Rain showers likely through early afternoon, then a
chance of rain showers by mid afternoon. Waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 
.THURSDAY NIGHT...Northeast winds 10 to 20 knots becoming
northwest 5 to 15 knots after midnight. A chance of rain showers.
Waves subsiding to calm to 2 feet. 
.FRIDAY...East winds 5 to 15 knots becoming northeast 10 to
20 knots. A chance of rain showers. Waves calm to 2 feet. 
.SATURDAY...East winds 10 to 20 knots backing northeast. A chance
of showers. Waves calm to 2 feet. 

$$