fzus63 kmqt 270153
glfls 
expires:202404271000;;437556

open lake forecast for lake superior
national weather service marquette mi
953 pm edt fri apr 26 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...lake superior is currently situated between a broad 
30.5 inch high over new england and a 29.3 inch low over the 
northern plains. the low will track northeast, weakening to 29.6 
inches by the time it reaches northeast lake superior on saturday 
evening. on sunday, 30.4 inch high pressure will build over 
northern ontario as a 29.6 inch low pressure lifts northeast 
across the central plains. this low will continue to track 
northeast, crossing western lake superior late in the day monday 
at 29.7 inches. as the low moves over northern ontario monday 
night, a weak 30.0 inch ridge will shift east across the 
mississippi valley. on tuesday, the ridge will shift toward the 
appalachians as the next low pressure of 29.5 inches tracks from 
north dakota to far northern minnesota, passing north of lake 
superior wednesday.


lsz162-271000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
953 pm edt fri apr 26 2024 /853 pm cdt fri apr 26 2024/

...gale watch in effect from sunday morning through monday
morning...

.rest of tonight...east winds 15 to 25 knots backing northeast
late. rain showers and a slight chance of thunderstorms. waves
2 to 4 feet building to 3 to 6 feet occasionally to 8 feet. 
.saturday...northeast winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon, then backing northwest late. rain
showers through early afternoon. a slight chance of
thunderstorms. a chance of rain showers by mid afternoon. waves
subsiding to 1 to 3 feet. 
.saturday night...north winds 10 to 20 knots veering northeast
after midnight, then increasing to 15 to 25 knots late. a slight
chance of rain showers. waves subsiding to calm to 2 feet, then
building to 3 to 5 feet occasionally to 7 feet. 
.sunday...northeast gales to 45 knots. a chance of rain showers
through early afternoon, then rain showers by mid afternoon.
waves building to 12 to 17 feet occasionally to 21 feet. 
.sunday night...northeast gales to 40 knots. rain showers. waves
subsiding to 9 to 12 feet occasionally to 15 feet. 
.monday...northeast gales to 35 knots diminishing to 20 to
30 knots by mid afternoon. rain showers through early afternoon,
then a chance of rain showers by mid afternoon. waves subsiding
to 3 to 6 feet occasionally to 8 feet. 
.monday night...west winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves subsiding to 1 to 3 feet. 
.tuesday...southwest winds 10 to 20 knots veering west. a chance
of rain showers. waves subsiding to calm to 2 feet. 
.wednesday...west winds 15 to 25 knots. a chance of rain showers.
waves building to 1 to 3 feet, then subsiding to calm to 2 feet. 

$$

fzus63 kmqt 270153
glfls 
expires:202404271000;;437557

open lake forecast for lake superior
national weather service marquette mi
953 pm edt fri apr 26 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...lake superior is currently situated between a broad 
30.5 inch high over new england and a 29.3 inch low over the 
northern plains. the low will track northeast, weakening to 29.6 
inches by the time it reaches northeast lake superior on saturday 
evening. on sunday, 30.4 inch high pressure will build over 
northern ontario as a 29.6 inch low pressure lifts northeast 
across the central plains. this low will continue to track 
northeast, crossing western lake superior late in the day monday 
at 29.7 inches. as the low moves over northern ontario monday 
night, a weak 30.0 inch ridge will shift east across the 
mississippi valley. on tuesday, the ridge will shift toward the 
appalachians as the next low pressure of 29.5 inches tracks from 
north dakota to far northern minnesota, passing north of lake 
superior wednesday.


lsz263-271000-
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-
953 pm edt fri apr 26 2024

...gale watch in effect from sunday afternoon through monday
afternoon...

.rest of tonight...southeast winds 10 to 20 knots backing east
after midnight. rain showers likely and a slight chance of
thunderstorms. waves 3 to 6 feet occasionally to 8 feet building
to 4 to 7 feet occasionally to 9 feet. 
.saturday...east winds 10 to 20 knots becoming southwest 5 to
15 knots in the afternoon, then becoming west 10 to 20 knots
late. rain showers likely through early afternoon. a slight
chance of thunderstorms. a chance of rain showers by mid
afternoon. waves subsiding to 2 to 4 feet. 
.saturday night...north winds 15 to 25 knots veering northeast
late. a slight chance of rain showers. waves building to 3 to
6 feet occasionally to 8 feet. 
.sunday...northeast winds 20 to 30 knots increasing to gales to
35 knots by mid afternoon. a chance of rain showers through early
afternoon, then rain showers likely by mid afternoon. waves
building to 8 to 12 feet occasionally to 15 feet. 
.sunday night...east gales to 45 knots. rain showers. waves
subsiding to 6 to 9 feet occasionally to 11 feet, then building
to 10 to 14 feet occasionally to 18 feet. 
.monday...east gales to 40 knots. rain showers. waves subsiding
to 5 to 8 feet occasionally to 10 feet. 
.monday night...west winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves subsiding to 2 to 4 feet. 
.tuesday...southwest winds 10 to 20 knots diminishing to 5 to
15 knots. a chance of rain showers. waves subsiding to calm to
2 feet. 
.wednesday...west winds 15 to 25 knots diminishing to 10 to
20 knots. a chance of rain showers. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 

$$