fzus63 kmqt 241402
glfls 
expires:202506242000;;295758

open lake forecast for lake superior
national weather service marquette mi
1001 am edt tue jun 24 2025

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...

30.2 inch ridging builds over the upper great lakes today, shifting 
northeast to southern james bay by wednesday night. on thursday, a 
deepening 29.8 inch low lifts into the upper mississippi valley, 
passing near the straits of mackinaw friday. weak ridging to 30.0 
inch ridging then resides over the lake until the weekend, when a 
29.6 inch low passing through northern ontario passes a 29.8 inch 
trough over the lake.



lsz162-242000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt tue jun 24 2025 /901 am cdt tue jun 24 2025/

.rest of today...southwest winds 5 to 15 knots backing south in
the afternoon. waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots backing northeast after
midnight, then veering east late. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots backing northeast in the
afternoon. a slight chance of showers by mid afternoon. waves
calm to 2 feet. 
.wednesday night...northeast winds 10 to 20 knots. a chance of
showers. waves calm to 2 feet. 
.thursday...northeast winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. a chance of showers. waves building to
2 to 4 feet. 
.thursday night...northeast winds 10 to 20 knots. a chance of
showers. waves subsiding to calm to 2 feet. 
.friday...northeast winds 5 to 15 knots veering southwest. waves
calm to 2 feet. 
.saturday...south winds 5 to 15 knots veering west. a chance of
showers. waves calm to 2 feet. 

$$