fzus63 kmqt 311945
glfls 
expires:202108010345;;764778

open lake forecast for lake superior
national weather service marquette mi
345 pm edt sat jul 31 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 29.9 inch trough will push south out of the upper 
great lakes tonight. this trough will be followed by 30.1 inch 
ridging over lake superior sunday. this ridge will weaken slightly
to 30.0 inches monday night as a weak 29.9 inch trough clips the 
northern shore of the lake. the 30.0 inch ridging will persist 
through the remainder of the week while 29.8 inch troughing 
develops over northern minnesota. 


lsz162-010345-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
345 pm edt sat jul 31 2021 /245 pm cdt sat jul 31 2021/

.late this afternoon...west winds 10 to 20 knots. patchy smoke.
isolated showers and thunderstorms. waves calm to 2 feet. 
.tonight...north winds 10 to 20 knots. patchy smoke through
midnight. waves building to 1 to 3 feet. 
.sunday...north winds 10 to 20 knots becoming southeast 5 to
15 knots in the afternoon, then veering south late. waves
subsiding to calm to 2 feet. 
.sunday night...south winds 5 to 15 knots veering west late.
waves calm to 2 feet. 
.monday...west winds 5 to 15 knots becoming southwest 10 to
20 knots by mid afternoon. waves building to 1 to 3 feet. 
.monday night...west winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.tuesday...east winds 5 to 15 knots increasing to 10 to 20 knots
by mid afternoon. waves calm to 2 feet. 
.tuesday night...east winds 5 to 15 knots veering south after
midnight. waves calm to 2 feet. 
.wednesday...south winds 5 to 15 knots veering southwest. waves
calm to 2 feet. 
.thursday...southwest winds 10 to 20 knots. a chance of showers
and thunderstorms. waves building to 1 to 3 feet, then subsiding
to calm to 2 feet. 

$$

fzus63 kmqt 311945
glfls 
expires:202108010345;;764779

open lake forecast for lake superior
national weather service marquette mi
345 pm edt sat jul 31 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 29.9 inch trough will push south out of the upper 
great lakes tonight. this trough will be followed by 30.1 inch 
ridging over lake superior sunday. this ridge will weaken slightly
to 30.0 inches monday night as a weak 29.9 inch trough clips the 
northern shore of the lake. the 30.0 inch ridging will persist 
through the remainder of the week while 29.8 inch troughing 
develops over northern minnesota. 


lsz263-010345-
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 pm edt sat jul 31 2021

.late this afternoon...west winds 10 to 20 knots. patchy smoke.
isolated showers and thunderstorms. waves calm to 2 feet. 
.tonight...northeast winds 10 to 20 knots becoming north 15 to
25 knots after midnight. patchy smoke through midnight. waves
building to 2 to 4 feet. 
.sunday...north winds 15 to 25 knots diminishing to 5 to 15 knots
in the afternoon, then backing southwest late. waves subsiding to
calm to 2 feet. 
.sunday night...southwest winds 5 to 15 knots increasing to 10 to
20 knots late. waves calm to 2 feet. 
.monday...west winds 10 to 20 knots backing southwest by mid
afternoon. waves building to 2 to 4 feet. 
.monday night...southwest winds 10 to 20 knots becoming west 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.tuesday...north winds 5 to 15 knots veering east by mid
afternoon. waves calm to 2 feet. 
.tuesday night...south winds 5 to 15 knots. waves calm to 2 feet.
.wednesday...south winds 5 to 15 knots increasing to 10 to
20 knots. waves building to 1 to 3 feet. 
.thursday...southwest winds 10 to 20 knots. a chance of showers
and thunderstorms. waves subsiding to calm to 2 feet. 

$$