fzus63 kmqt 070210 cca
glfls 
expires:202606070800;;308544

open lake forecast for lake superior...corrected
national weather service marquette mi
1010 pm 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... 

ridging builds to 30.1 inches over lake superior this evening 
through sunday morning. meanwhile, a 29.3 inch low over the northern 
rockies stretches into the northern plains and canadian prairies 
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 around 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 over far northern ontario. another colorado low lifts 
into the western great lakes at around 29.5 inches by late thursday.


lsz162-070800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1010 pm edt sat jun 6 2026 /910 pm cdt sat jun 6 2026/

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

.rest of tonight...northeast winds 5 to 15 knots. areas of dense fog.
waves calm to 2 feet. 
.sunday...northeast winds 10 to 20 knots increasing to 15 to
25 knots late. patchy dense fog through early afternoon. waves 
building to 2 to 4 feet. 
.sunday night...northeast winds 10 to 20 knots diminishing to
5 to 15 knots late. a chance of showers after midnight. waves
subsiding to calm to 2 feet. 
.monday...northeast winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. a chance of showers through early
afternoon, then showers likely and a slight chance of
thunderstorms by mid afternoon. waves calm to 2 feet. 
.monday night...northeast winds 5 to 15 knots. showers likely and
a slight chance of thunderstorms through midnight, then a chance
of showers after midnight. waves calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday night...northeast winds 5 to 15 knots. a chance of
showers. waves calm to 2 feet. 
.wednesday...northeast winds 10 to 20 knots veering southwest. a
chance of thunderstorms. showers. waves building to 2 to 4 feet. 
.thursday...southwest winds 15 to 25 knots. a chance of showers.
waves building to 3 to 5 feet occasionally to 7 feet. 

$$

fzus63 kmqt 070210 cca
glfls 
expires:202606070800;;308545

open lake forecast for lake superior...corrected
national weather service marquette mi
1010 pm 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... 

ridging builds to 30.1 inches over lake superior this evening 
through sunday morning. meanwhile, a 29.3 inch low over the northern 
rockies stretches into the northern plains and canadian prairies 
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 around 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 over far northern ontario. another colorado low lifts 
into the western great lakes at around 29.5 inches by late thursday.


lsz263-070800-
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-
1010 pm edt sat jun 6 2026

...dense fog advisory in effect until 11 am edt sunday...

.rest of tonight...northeast winds 5 to 15 knots veering east
after midnight. patchy dense fog. waves calm to 2 feet. 
.sunday...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. 
.sunday night...east winds 10 to 20 knots veering southeast after
midnight, then diminishing to 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...southeast winds 5 to 15 knots. showers likely and
a slight chance of thunderstorms. waves subsiding to calm to
2 feet. 
.tuesday...east winds less than 10 knots becoming northeast 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.tuesday night...east winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...east winds 10 to 20 knots veering south. a chance of
showers and thunderstorms. waves building to 2 to 4 feet. 
.thursday...southwest winds 15 to 25 knots. a chance of showers.
waves building to 3 to 6 feet occasionally to 8 feet. 

$$