fzus63 kmqt 070801
glfls 
expires:202606072000;;322172

open lake forecast for lake superior
national weather service marquette mi
400 am edt sun jun 7 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... 

ridging of 30.1 inches over lake superior this morning weakens to 
30.0 inches through tonight as a 29.4 inch low over the black hills 
expands into the northern plains and canadian prairies at 29.3 
inches. by monday afternoon, expect lake superior to be between a 
29.7 inch trough over minnesota and 30.2 inch high pressure over new 
england. the troughing weakens to around 29.9 inches before moving 
over lake superior on tuesday. pressure continues to fall over the 
lake through wednesday as a colorado low lifts through the northern 
plains towards lake winnipeg, strengthening to 29.6 inches by 
wednesday night as the low deepens to 29.1 inches over far northern 
ontario. another colorado low lifts into the western great lakes at 
around 29.5 inches by late thursday. 




lsz162-072000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt sun jun 7 2026 /300 am cdt sun jun 7 2026/

...dense fog advisory in effect until 11 am edt /10 am cdt/ this
morning...

.early this morning...northeast winds 5 to 15 knots. patchy dense
fog. waves calm to 2 feet. 
.today...northeast winds 5 to 15 knots increasing to 15 to
25 knots. patchy dense fog through early afternoon. waves
building to 2 to 4 feet. 
.tonight...northeast winds 10 to 20 knots veering east late. a
slight chance of rain showers after midnight. waves subsiding to
calm to 2 feet. 
.monday...northeast winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. a chance of showers through early
afternoon. a slight chance of thunderstorms. showers likely by
mid afternoon. waves calm to 2 feet. 
.monday night...northeast winds 5 to 15 knots. rain showers
likely and a slight chance of thunderstorms through midnight,
then a slight chance of rain showers after midnight. waves calm
to 2 feet. 
.tuesday...northeast winds less than 10 knots increasing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.tuesday night...northeast winds 5 to 15 knots. a chance of
showers and thunderstorms. waves calm to 2 feet. 
.wednesday...east winds 10 to 20 knots becoming southwest 15 to
25 knots. showers and a chance of thunderstorms. waves building
to 3 to 5 feet occasionally to 7 feet. 
.thursday...southwest winds 20 to 30 knots. a chance of showers.
waves building to 5 to 8 feet occasionally to 10 feet, then
subsiding to 3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 070801
glfls 
expires:202606072000;;322173

open lake forecast for lake superior
national weather service marquette mi
400 am edt sun jun 7 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... 

ridging of 30.1 inches over lake superior this morning weakens to 
30.0 inches through tonight as a 29.4 inch low over the black hills 
expands into the northern plains and canadian prairies at 29.3 
inches. by monday afternoon, expect lake superior to be between a 
29.7 inch trough over minnesota and 30.2 inch high pressure over new 
england. the troughing weakens to around 29.9 inches before moving 
over lake superior on tuesday. pressure continues to fall over the 
lake through wednesday as a colorado low lifts through the northern 
plains towards lake winnipeg, strengthening to 29.6 inches by 
wednesday night as the low deepens to 29.1 inches over far northern 
ontario. another colorado low lifts into the western great lakes at 
around 29.5 inches by late thursday. 




lsz263-072000-
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-
400 am edt sun jun 7 2026

...dense fog advisory in effect until 11 am edt this morning...

.early this morning...east winds 5 to 15 knots. patchy dense fog.
waves calm to 2 feet. 
.today...east winds 5 to 15 knots increasing to 10 to 20 knots in
the afternoon. patchy dense fog through early afternoon. waves
building to 2 to 4 feet. 
.tonight...east winds 10 to 20 knots veering southeast after
midnight, then becoming east 5 to 15 knots late. waves subsiding
to calm to 2 feet. 
.monday...east winds 5 to 15 knots. a chance of showers. a slight
chance of thunderstorms by mid afternoon. waves building to 1 to
3 feet. 
.monday night...east winds 5 to 15 knots backing northeast after
midnight. rain showers likely through midnight. a slight chance
of thunderstorms. a chance of rain showers after midnight. waves
subsiding to calm to 2 feet. 
.tuesday...northeast winds less than 10 knots increasing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.tuesday night...east winds 5 to 15 knots veering southeast after
midnight. a chance of showers and thunderstorms after midnight.
waves calm to 2 feet. 
.wednesday...east winds 10 to 20 knots becoming southwest 15 to
25 knots. a chance of showers and thunderstorms. waves building
to 3 to 6 feet occasionally to 8 feet. 
.thursday...southwest winds 20 to 30 knots. a chance of showers.
waves building to 5 to 9 feet occasionally to 11 feet. 

$$