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fzus63 kmqt 162056
glfls 
expires:201812170500;;896190

open lake forecast for lake superior
national weather service marquette mi
356 pm est sun dec 16 2018

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 trough extending southward from a 29.1 
inch low over hudson bay continues to move across lake superior 
this afternoon. in its wake, a 30.3 inch high pressure ridge 
currently over the central plains will shift east, crossing lake 
superior monday night and reaching the lower great lakes by 
tuesday evening. low pressure of 29.4 inches over central manitoba
wednesday morning will track eastward across northern ontario 
wednesday night into thursday, pushing a 29.6 inch trough across 
lake superior late wednesday night and thursday. a low pressure 
system of at least 29.3 inches then looks to develop over the 
lower great lakes towards the end of the week.



lsz162-170500-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
356 pm est sun dec 16 2018 /256 pm cst sun dec 16 2018/

.rest of today...west winds 15 to 25 knots increasing to 20 to
30 knots. a few gale force gusts possible. waves 4 to 7 feet 
occasionally to 9 feet. 
.tonight...northwest winds 20 to 30 knots diminishing to 15 to
25 knots by midnight. waves subsiding to 3 to 5 feet occasionally
to 7 feet. 
.monday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots by late morning, then backing west by mid afternoon.
waves subsiding to calm to 2 feet. 
.monday night...south winds less than 10 knots increasing to 5 to
15 knots after midnight. waves calm to 2 feet. 
.tuesday...south winds 10 to 20 knots veering southwest in the
afternoon. waves building to 3 to 5 feet occasionally to 7 feet. 
.tuesday night...west winds 10 to 20 knots becoming southwest
5 to 15 knots after midnight. waves subsiding to 1 to 3 feet. 
.wednesday...southwest winds 5 to 15 knots veering west. waves
subsiding to calm to 2 feet. 
.thursday...northwest winds 5 to 15 knots veering north. waves
building to 1 to 3 feet. 

$$
fzus63 kmqt 162056
glfls 
expires:201812170500;;896191

open lake forecast for lake superior
national weather service marquette mi
356 pm est sun dec 16 2018

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 trough extending southward from a 29.1 
inch low over hudson bay continues to move across lake superior 
this afternoon. in its wake, a 30.3 inch high pressure ridge 
currently over the central plains will shift east, crossing lake 
superior monday night and reaching the lower great lakes by 
tuesday evening. low pressure of 29.4 inches over central manitoba
wednesday morning will track eastward across northern ontario 
wednesday night into thursday, pushing a 29.6 inch trough across 
lake superior late wednesday night and thursday. a low pressure 
system of at least 29.3 inches then looks to develop over the 
lower great lakes towards the end of the week.



lsz263-170500-
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-
356 pm est sun dec 16 2018

...gale warning in effect until 1 am est monday...

.rest of today...west winds 15 to 25 knots increasing to gales to
35 knots. waves 6 to 9 feet occasionally to 11 feet building to
7 to 10 feet occasionally to 13 feet. 
.tonight...northwest gales to 35 knots diminishing to 15 to
25 knots. waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.monday...northwest winds 15 to 25 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 
.monday night...northwest winds 5 to 15 knots backing south after
midnight. waves calm to 2 feet. 
.tuesday...south winds 15 to 25 knots veering southwest in the
afternoon. waves building to 3 to 5 feet occasionally to 7 feet. 
.tuesday night...west winds 15 to 25 knots diminishing to 5 to
15 knots after midnight. waves subsiding to 1 to 3 feet. 
.wednesday...southwest winds 5 to 15 knots. waves subsiding to
calm to 2 feet. 
.thursday...northwest winds 10 to 20 knots veering north. a
chance of snow showers. waves building to 2 to 4 feet. 

$$

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