fzus63 kmqt 210738
glfls 
expires:202110211545;;019354

open lake forecast for lake superior
national weather service marquette mi
338 am edt thu oct 21 2021

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 29.8 inch low pressure over south-central wisconsin
will track east to northern lower michigan this morning. the low 
will reach southern quebec this evening while a 30.3 inch high 
pressure over northern manitoba extends a 30.1 inch ridge south 
into the northern plains. this high will extend this ridge 
southeast toward the upper great lakes for friday and saturday. 
the high pressure will then build to 30.4 inches as it settles 
across northern ontario for sunday into tuesday. 

&&


lsz162-211545-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
338 am edt thu oct 21 2021 /238 am cdt thu oct 21 2021/

.early this morning...northeast winds 15 to 25 knots. waves 3 to
6 feet occasionally to 8 feet. 
.today...north winds 15 to 25 knots diminishing to 10 to 20 knots
in the afternoon. waves subsiding to 1 to 3 feet. 
.tonight...north winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves subsiding to calm to 2 feet. 
.friday...north winds 10 to 20 knots diminishing to 5 to 15 knots
in the afternoon. waves calm to 2 feet. 
.friday night...north winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. a slight chance of rain showers through
midnight. waves calm to 2 feet. 
.saturday...north winds 5 to 15 knots backing northwest by mid
afternoon. waves calm to 2 feet. 
.saturday night...north winds 5 to 15 knots veering northeast
after midnight. waves calm to 2 feet. 
.sunday...east winds 10 to 20 knots increasing to 15 to 25 knots.
waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 2 to 4 feet. 
.monday...east winds 15 to 25 knots becoming southeast 10 to
20 knots. waves subsiding to 1 to 3 feet. 

$$

fzus63 kmqt 210738
glfls 
expires:202110211545;;019355

open lake forecast for lake superior
national weather service marquette mi
338 am edt thu oct 21 2021

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 29.8 inch low pressure over south-central wisconsin
will track east to northern lower michigan this morning. the low 
will reach southern quebec this evening while a 30.3 inch high 
pressure over northern manitoba extends a 30.1 inch ridge south 
into the northern plains. this high will extend this ridge 
southeast toward the upper great lakes for friday and saturday. 
the high pressure will then build to 30.4 inches as it settles 
across northern ontario for sunday into tuesday. 

&&


lsz263-211545-
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-
338 am edt thu oct 21 2021

.early this morning...northeast winds 15 to 25 knots. waves 3 to
6 feet occasionally to 8 feet. 
.today...north winds 15 to 25 knots. waves subsiding to 1 to
3 feet. 
.tonight...north winds 15 to 25 knots diminishing to 10 to
20 knots late. waves building to 2 to 4 feet, then subsiding to
calm to 2 feet. 
.friday...north winds 10 to 20 knots. a slight chance of rain
showers. waves calm to 2 feet. 
.friday night...north winds 10 to 20 knots. a slight chance of
rain showers. waves building to 1 to 3 feet. 
.saturday...north winds 10 to 20 knots becoming northwest 5 to
15 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.saturday night...north winds 5 to 15 knots. waves calm to
2 feet. 
.sunday...east winds 10 to 20 knots increasing to 15 to 25 knots.
waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 2 to 4 feet. 
.monday...east winds 15 to 25 knots becoming southeast 10 to
20 knots. waves subsiding to 1 to 3 feet. 

$$