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fzus63 kmqt 010845
glfls 
expires:202403011645;;194771

open lake forecast for lake superior
national weather service marquette mi
345 am est fri mar 1 2024

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 29.4 inch low over saskatchewan tracks east today, 
weakening to 29.6 inches as it moves into northern ontario this 
evening. as the low continues northeast toward james bay tonight, a 
29.8 inch trough sets up over western lake superior, passing over 
the lake through saturday morning. a 29.3 inch low develops over the 
northern plains saturday night, moving northeast toward manitoba 
on sunday. the low then continues northeast through northern 
ontario sunday night and monday, reaching hudson bay monday night.
30.0 inch ridging extending from the northern plains builds in 
behind the low monday night into tuesday.


lsz162-011645-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
345 am est fri mar 1 2024 /245 am cst fri mar 1 2024/

.early this morning...southeast winds 5 to 15 knots. waves 1 to
3 feet. 
.today...south winds 10 to 20 knots diminishing to 5 to 15 knots
by mid afternoon. waves subsiding to calm to 2 feet. 
.tonight...southwest winds 10 to 20 knots diminishing to 5 to
15 knots late. waves building to 1 to 3 feet, then subsiding to
calm to 2 feet. 
.saturday...west winds 5 to 15 knots backing east by late
morning, then increasing to 10 to 20 knots by mid afternoon.
waves building to 1 to 3 feet. 
.saturday night...east winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. a slight chance of rain showers. waves
building to 3 to 5 feet occasionally to 7 feet. 
.sunday...east winds 15 to 25 knots increasing to 20 to 30 knots
in the afternoon. a chance of rain showers. waves building to
4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.sunday night...south winds 20 to 30 knots veering southwest
after midnight. rain showers likely in the evening, then a chance
of rain showers, possibly mixed with snow after midnight. waves
subsiding to 3 to 5 feet occasionally to 7 feet. 
.monday...west winds 15 to 25 knots becoming north 20 to
30 knots. a chance of snow showers, possibly mixed with rain.
waves subsiding to 1 to 3 feet, then building to 2 to 4 feet. 
.tuesday...northwest winds 15 to 25 knots backing west. waves
subsiding to calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$
fzus63 kmqt 010845
glfls 
expires:202403011645;;194772

open lake forecast for lake superior
national weather service marquette mi
345 am est fri mar 1 2024

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 29.4 inch low over saskatchewan tracks east today, 
weakening to 29.6 inches as it moves into northern ontario this 
evening. as the low continues northeast toward james bay tonight, a 
29.8 inch trough sets up over western lake superior, passing over 
the lake through saturday morning. a 29.3 inch low develops over the 
northern plains saturday night, moving northeast toward manitoba 
on sunday. the low then continues northeast through northern 
ontario sunday night and monday, reaching hudson bay monday night.
30.0 inch ridging extending from the northern plains builds in 
behind the low monday night into tuesday.


lsz263-011645-
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-
345 am est fri mar 1 2024

.early this morning...south winds 10 to 20 knots. waves 1 to 3 
feet. 
.today...south winds 10 to 20 knots diminishing to 5 to 15 knots
by mid afternoon. waves subsiding to calm to 2 feet, then
building to 1 to 3 feet. 
.tonight...southwest winds 10 to 20 knots. waves building to 2 to
4 feet. 
.saturday...southwest winds 5 to 15 knots backing northeast by
late morning, then veering east by mid afternoon. waves subsiding
to calm to 2 feet. 
.saturday night...east winds 10 to 20 knots veering southeast
after midnight. a slight chance of rain showers after midnight.
waves building to 2 to 4 feet. 
.sunday...east winds 15 to 25 knots increasing to 20 to 30 knots
in the afternoon. a chance of rain showers. waves building to
7 to 10 feet occasionally to 13 feet. 
.sunday night...southeast winds 20 to 30 knots with a few gale
force gusts to 35 knots possible veering southwest after 
midnight. a chance of rain showers. waves subsiding to 4 to 7 feet
occasionally to 9 feet. 
.monday...west winds 15 to 25 knots veering north. a chance of
rain and snow showers. waves subsiding to 2 to 4 feet. 
.tuesday...northwest winds 10 to 20 knots backing west. waves
subsiding to 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$
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