fzus63 kmqt 030201
glfls 
expires:202607030800;;311442

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt thu jul 2 2026

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... 

tonight, lake superior is between 30.1 inch highs over northern 
manitoba and the southern appalachians, a 29.6 inch low over the 
quebec/labrador line, and a 29.7 inch low over colorado. throughout 
friday, the canadian high moves into hudson bay, building to 30.2 
inches. the high lingers through the weekend as a weak low of 29.9 
inches passes south of lake superior. late sunday night into monday, 
the high is pushed southeast into quebec at 30.1 inches by a 29.6 
inch low over northern manitoba. the low deepens to 29.5 inches by 
tuesday morning as 30.1 inch high pressure builds over the northern 
plains. the high then moves over the great lakes for wednesday.




lsz162-030800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm edt thu jul 2 2026 /900 pm cdt thu jul 2 2026/

.rest of tonight...west winds 5 to 15 knots veering northeast
late. a slight chance of showers and thunderstorms. waves calm to
2 feet. 
.friday...northeast winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.friday night...northeast winds 10 to 20 knots. a slight chance
of showers after midnight. waves calm to 2 feet. 
.saturday...northeast winds 15 to 25 knots. a chance of showers.
waves building to 1 to 3 feet. 
.saturday night...northeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. a chance of showers. waves
subsiding to calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...north winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves calm to 2 feet. 
.monday...north winds 5 to 15 knots diminishing to less than
10 knots. waves calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots veering west. waves calm
to 2 feet. 

$$

fzus63 kmqt 030201
glfls 
expires:202607030800;;311443

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt thu jul 2 2026

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... 

tonight, lake superior is between 30.1 inch highs over northern 
manitoba and the southern appalachians, a 29.6 inch low over the 
quebec/labrador line, and a 29.7 inch low over colorado. throughout 
friday, the canadian high moves into hudson bay, building to 30.2 
inches. the high lingers through the weekend as a weak low of 29.9 
inches passes south of lake superior. late sunday night into monday, 
the high is pushed southeast into quebec at 30.1 inches by a 29.6 
inch low over northern manitoba. the low deepens to 29.5 inches by 
tuesday morning as 30.1 inch high pressure builds over the northern 
plains. the high then moves over the great lakes for wednesday.




lsz263-030800-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
1000 pm edt thu jul 2 2026

.rest of tonight...west winds 5 to 15 knots veering northeast
late. waves 1 to 3 feet subsiding to calm to 2 feet. 
.friday...northeast winds 5 to 15 knots veering east late. waves
calm to 2 feet. 
.friday night...northeast winds 5 to 15 knots. a slight chance of
showers after midnight. waves calm to 2 feet. 
.saturday...northeast winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. a chance of showers by mid afternoon.
waves building to 1 to 3 feet. 
.saturday night...northeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. a chance of showers. waves
subsiding to calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...northeast winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves calm to 2 feet. 
.monday...north winds 5 to 15 knots backing southwest. waves calm
to 2 feet. 
.tuesday...southwest winds 5 to 15 knots. waves calm to 2 feet. 

$$