fzus63 kmqt 061401
glfls 
expires:202606062000;;278413

open lake forecast for lake superior
national weather service marquette mi
1000 am edt sat jun 6 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... 

a 29.6 inch low south of james bay this morning moves across 
southern quebec today, allowing ridging to build to 30.1 inches over 
lake superior through sunday morning. meanwhile, a 29.3 inch low 
forms over the northern rockies today and stretches into the 
northern plains through sunday night. by monday afternoon, expect 
lake superior to be between a 29.8 inch trough over minnesota and 
30.2 inch high pressure over new england. the troughing weakens to 
29.9 inches before moving over lake superior on tuesday. pressure 
continues to fall over lake superior 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 29.2 inches.




lsz162-062000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am edt sat jun 6 2026 /900 am cdt sat jun 6 2026/

.rest of today...southwest winds 5 to 15 knots backing south in
the afternoon, then backing east late. patchy fog. waves calm to
2 feet. 
.tonight...east winds 5 to 15 knots backing northeast after
midnight. patchy fog. waves calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots increasing to 15 to
25 knots. patchy fog through early afternoon. waves building to
2 to 4 feet. 
.sunday night...northeast winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to 1 to 3 feet. 
.monday...east winds 10 to 20 knots backing northeast by mid
afternoon. a chance of showers through early afternoon. a slight
chance of thunderstorms. showers likely by mid afternoon. waves
subsiding to calm to 2 feet. 
.monday night...east winds 5 to 15 knots backing northeast after
midnight. showers likely through midnight. a chance of
thunderstorms. waves calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots. a chance of showers.
waves calm to 2 feet. 
.wednesday...northeast winds 10 to 20 knots. a chance of showers.
a chance of thunderstorms. showers likely. waves building to 1 to
3 feet. 

$$

fzus63 kmqt 061401
glfls 
expires:202606062000;;278414

open lake forecast for lake superior
national weather service marquette mi
1000 am edt sat jun 6 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... 

a 29.6 inch low south of james bay this morning moves across 
southern quebec today, allowing ridging to build to 30.1 inches over 
lake superior through sunday morning. meanwhile, a 29.3 inch low 
forms over the northern rockies today and stretches into the 
northern plains through sunday night. by monday afternoon, expect 
lake superior to be between a 29.8 inch trough over minnesota and 
30.2 inch high pressure over new england. the troughing weakens to 
29.9 inches before moving over lake superior on tuesday. pressure 
continues to fall over lake superior 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 29.2 inches.




lsz263-062000-
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 am edt sat jun 6 2026

...dense fog advisory in effect until 2 pm edt this afternoon...

.rest of today...west winds less than 10 knots backing southwest
in the afternoon, then becoming east 5 to 15 knots late. patchy
fog. waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots. patchy fog. waves calm to
2 feet. 
.sunday...east winds 5 to 15 knots becoming northeast 10 to
20 knots in the afternoon, then veering east late. patchy fog
through early afternoon. waves building to 2 to 4 feet. 
.sunday night...east winds 10 to 20 knots becoming southeast 5 to
15 knots after midnight. 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 2 to
4 feet. 
.monday night...southeast winds 5 to 15 knots. showers likely.
waves subsiding to calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots veering east. waves calm
to 2 feet. 
.wednesday...east winds 10 to 20 knots veering south. a chance of
showers. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 

$$