fzus63 kmqt 032003
glfls 
expires:202406040415;;389185

open lake forecast for lake superior
national weather service marquette mi
403 pm edt mon jun 3 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 set between 30.0 inch
ridging over quebec and a new trough of 29.4 inches developing off
the northern rockies. on tuesday, 29.2 inch low pressure tracking
across the canadian prairies will power the trough eastward to 
the upper mississippi valley. the trough will then sail across 
lake superior tuesday night and wednesday morning while the parent
low pressure tracks from the canadian prairies toward northern 
ontario. the low weakens to 29.5 inches over far northeastern
ontario thursday through thursday night while a 30.0 inch ridge
builds southeast into the northern and central plains. this ridge
will drift toward the mississippi valley on friday while the low 
over far northeastern ontario drifts east into quebec, weakening
to 29.6 inches. 


lsz162-040415-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
403 pm edt mon jun 3 2024 /303 pm cdt mon jun 3 2024/

...dense fog advisory in effect until 5 pm edt /4 pm cdt/ this
afternoon...

.late this afternoon...southeast winds 5 to 15 knots. patchy fog.
waves 1 to 3 feet subsiding to calm to 2 feet. 
.tonight...east winds 5 to 15 knots backing northeast after
midnight. areas of fog. a slight chance of rain showers. waves
calm to 2 feet. 
.tuesday...east winds 5 to 15 knots becoming northeast 10 to
20 knots in the afternoon, then veering east late. areas of fog.
a chance of showers. a chance of thunderstorms by mid afternoon.
waves building to 1 to 3 feet. 
.tuesday night...east winds 10 to 20 knots veering southwest
after midnight. patchy fog through midnight. showers and a chance
of thunderstorms. waves subsiding to calm to 2 feet. 
.wednesday...southwest winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. a chance of showers and a slight
chance of thunderstorms. waves building to 2 to 4 feet. 
.wednesday night...west winds 15 to 25 knots. waves subsiding to
1 to 3 feet, then building to 2 to 4 feet. 
.thursday...west winds 15 to 25 knots increasing to 20 to
30 knots by mid afternoon. waves building to 3 to 6 feet
occasionally to 8 feet. 
.thursday night...west winds 15 to 25 knots. waves subsiding to
2 to 4 feet. 
.friday...west winds 15 to 25 knots becoming northwest 10 to
20 knots. waves subsiding to calm to 2 feet. 
.saturday...west winds 10 to 20 knots veering northwest. waves
building to 1 to 3 feet, then subsiding to calm to 2 feet. 

$$

fzus63 kmqt 032003
glfls 
expires:202406040415;;389186

open lake forecast for lake superior
national weather service marquette mi
403 pm edt mon jun 3 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 set between 30.0 inch
ridging over quebec and a new trough of 29.4 inches developing off
the northern rockies. on tuesday, 29.2 inch low pressure tracking
across the canadian prairies will power the trough eastward to 
the upper mississippi valley. the trough will then sail across 
lake superior tuesday night and wednesday morning while the parent
low pressure tracks from the canadian prairies toward northern 
ontario. the low weakens to 29.5 inches over far northeastern
ontario thursday through thursday night while a 30.0 inch ridge
builds southeast into the northern and central plains. this ridge
will drift toward the mississippi valley on friday while the low 
over far northeastern ontario drifts east into quebec, weakening
to 29.6 inches. 


lsz263-040415-
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-
403 pm edt mon jun 3 2024

.late this afternoon...south winds 5 to 15 knots. patchy fog. a
slight chance of showers and thunderstorms. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.tonight...southeast winds less than 10 knots becoming northeast
5 to 15 knots after midnight, then veering east late. areas of
fog. a slight chance of thunderstorms through midnight. a slight
chance of rain showers. waves subsiding to calm to 2 feet. 
.tuesday...east winds 5 to 15 knots. areas of fog. a slight
chance of showers and thunderstorms by mid afternoon. waves
building to 1 to 3 feet. 
.tuesday night...south winds 10 to 20 knots becoming southwest
5 to 15 knots late. patchy fog through midnight. showers likely
and a chance of thunderstorms. waves building to 2 to 4 feet,
then subsiding to 1 to 3 feet. 
.wednesday...southwest winds 5 to 15 knots. a chance of showers
and a slight chance of thunderstorms. waves 1 to 3 feet. 
.wednesday night...west winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 2 to 4 feet. 
.thursday...west winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet. 
.thursday night...west winds 10 to 20 knots. waves subsiding to
2 to 4 feet. 
.friday...west winds 10 to 20 knots becoming northwest 5 to
15 knots. waves subsiding to 1 to 3 feet. 
.saturday...west winds 5 to 15 knots. waves subsiding to calm to
2 feet. 

$$