fzus63 kmqt 230148
glfls 
expires:202405231000;;693265

open lake forecast for lake superior
national weather service marquette mi
948 pm edt wed may 22 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 29.3 inch low pressure currently north of lake 
superior continues towards james bay today tonight as it weakens 
to 29.4 inches. 29.9 inch ridging builds in thursday across lake 
superior as the low slowly arrives at james bay. this ridging 
shifts east as a 29.7 inch low lifts northeast through the 
northern plains thursday night into friday. weak troughing of 29.8
inches moves over lake superior by saturday. by sunday, the 
troughing will move northeast over northern ontario as another low
of 29.4 inches lifts from the southern plains towards the upper 
great lakes. this low moves over lower michigan monday morning and
becomes centered over lake huron monday evening.


lsz162-231000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
948 pm edt wed may 22 2024 /848 pm cdt wed may 22 2024/

.rest of tonight...west winds 15 to 25 knots. isolated rain
showers by late evening. waves 3 to 5 feet occasionally to 7 feet
subsiding to 2 to 4 feet. 
.thursday...west winds 15 to 25 knots becoming southwest 10 to
20 knots in the afternoon, then backing south late. waves
subsiding to calm to 2 feet. 
.thursday night...east winds 10 to 20 knots increasing to 15 to
25 knots late. a slight chance of rain showers. waves building to
3 to 6 feet occasionally to 8 feet. 
.friday...east winds 20 to 30 knots with a few gale force gusts 
to 35 knots by mid afternoon. a slight chance of rain showers 
through early afternoon, then rain showers likely and a slight 
chance of thunderstorms by mid afternoon. waves building to 8 to 
11 feet occasionally to 14 feet.
.friday night...east winds 20 to 30 knots becoming southwest
15 to 25 knots after midnight. rain showers likely through
midnight, then a chance of rain showers after midnight. waves
subsiding to 3 to 5 feet occasionally to 7 feet. 
.saturday...southwest winds 15 to 25 knots. a chance of showers.
waves subsiding to 2 to 4 feet. 
.saturday night...west winds 10 to 20 knots becoming north 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.sunday...northeast winds 10 to 20 knots. waves calm to 2 feet. 
.monday...north winds 10 to 20 knots backing northwest. a chance
of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 230148
glfls 
expires:202405231000;;693266

open lake forecast for lake superior
national weather service marquette mi
948 pm edt wed may 22 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 29.3 inch low pressure currently north of lake 
superior continues towards james bay today tonight as it weakens 
to 29.4 inches. 29.9 inch ridging builds in thursday across lake 
superior as the low slowly arrives at james bay. this ridging 
shifts east as a 29.7 inch low lifts northeast through the 
northern plains thursday night into friday. weak troughing of 29.8
inches moves over lake superior by saturday. by sunday, the 
troughing will move northeast over northern ontario as another low
of 29.4 inches lifts from the southern plains towards the upper 
great lakes. this low moves over lower michigan monday morning and
becomes centered over lake huron monday evening.


lsz263-231000-
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-
948 pm edt wed may 22 2024

.rest of tonight...west winds 20 to 30 knots. isolated rain
showers by late evening. waves 5 to 8 feet occasionally to
10 feet subsiding to 3 to 6 feet occasionally to 8 feet. 
.thursday...west winds 15 to 25 knots backing southwest in the
afternoon, then diminishing to 10 to 20 knots late. waves
subsiding to 1 to 3 feet. 
.thursday night...east winds 5 to 15 knots becoming northeast
10 to 20 knots after midnight, then veering east late. a slight
chance of rain showers through midnight. waves subsiding to calm
to 2 feet, then building to 2 to 4 feet. 
.friday...east winds 15 to 25 knots increasing to 20 to 30 knots
by mid afternoon. a chance of rain showers. a slight chance of
thunderstorms by mid afternoon. waves building to 4 to 7 feet
occasionally to 9 feet. 
.friday night...east winds 15 to 25 knots veering southwest after
midnight. rain showers likely through midnight, then a chance of
rain showers after midnight. waves subsiding to 3 to 5 feet
occasionally to 7 feet. 
.saturday...southwest winds 15 to 25 knots. a chance of rain
showers. waves building to 3 to 6 feet occasionally to 8 feet. 
.saturday night...southwest winds 5 to 15 knots. waves subsiding
to calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.monday...north winds 5 to 15 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 

$$