fzus63 kmqt 212106
glfls 
expires:202001220515;;307555

open lake forecast for lake superior
national weather service marquette mi
406 pm est tue jan 21 2020

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 30.7 inch high over the ohio valley will weaken to 
30.5 inches as it drifts east through tonight while a 29.4 inch 
low transits across northern ontario, reaching hudson bay 
wednesday. an associated near stationary 29.9 inch trough across 
the western edge of the lake wednesday will help develop 29.9 inch
low over the upper mississippi valley wednesday night. this low 
will slowly drift east into the great lakes, passing through lower
lake michigan late friday and lower michigan saturday.


lsz162-220515-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
406 pm est tue jan 21 2020 /306 pm cst tue jan 21 2020/

...gale warning in effect through wednesday morning...

.late this afternoon...southwest gales to 35 knots. waves 8 to
11 feet occasionally to 14 feet. 
.tonight...southwest gales to 40 knots. freezing spray after
midnight. waves subsiding to 7 to 10 feet occasionally to
13 feet. 
.wednesday...southwest winds 20 to 30 knots diminishing to 10 to
20 knots. waves subsiding to 2 to 4 feet. 
.wednesday night...west winds 5 to 15 knots veering northeast by
midnight, then increasing to 15 to 25 knots late. a chance of
snow and a slight chance of drizzle. a slight chance of freezing
drizzle after midnight. waves 2 to 4 feet. 
.thursday...northeast winds 15 to 25 knots. a chance of freezing
drizzle and snow. a chance of drizzle in the afternoon. waves
building to 5 to 8 feet occasionally to 10 feet. 
.thursday night...northeast winds 15 to 25 knots. a chance of
drizzle, freezing drizzle and snow. waves subsiding to 3 to
6 feet occasionally to 8 feet. 
.friday...northeast winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon. a chance of freezing drizzle in the
morning. a chance of drizzle and snow. waves 3 to 5 feet 
occasionally to 7 feet. 
.friday night...northeast winds 5 to 15 knots. waves subsiding to
2 to 4 feet. 
.saturday...northeast winds 5 to 15 knots becoming west less than
10 knots. waves subsiding to 1 to 3 feet. 
.sunday...west winds 5 to 15 knots. waves 1 to 3 feet. 

$$

fzus63 kmqt 212106
glfls 
expires:202001220515;;307556

open lake forecast for lake superior
national weather service marquette mi
406 pm est tue jan 21 2020

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 30.7 inch high over the ohio valley will weaken to 
30.5 inches as it drifts east through tonight while a 29.4 inch 
low transits across northern ontario, reaching hudson bay 
wednesday. an associated near stationary 29.9 inch trough across 
the western edge of the lake wednesday will help develop 29.9 inch
low over the upper mississippi valley wednesday night. this low 
will slowly drift east into the great lakes, passing through lower
lake michigan late friday and lower michigan saturday.


lsz263-220515-
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-
406 pm est tue jan 21 2020

...gale warning in effect through wednesday morning...

.late this afternoon...southwest gales to 40 knots. waves 10 to
14 feet occasionally to 18 feet. 
.tonight...southwest gales to 40 knots. waves subsiding to 9 to
12 feet occasionally to 15 feet, then building to 10 to 14 feet
occasionally to 18 feet. 
.wednesday...southwest gales to 35 knots diminishing to 20 to
30 knots by late morning, then becoming west 10 to 20 knots by
mid afternoon. a slight chance of freezing drizzle in the
morning. waves subsiding to 3 to 5 feet occasionally to 7 feet. 
.wednesday night...west winds 5 to 15 knots veering northeast by
midnight, then increasing to 15 to 25 knots late. a chance of
snow, a slight chance of drizzle and freezing drizzle. waves
subsiding to calm to 2 feet, then building to 2 to 4 feet. 
.thursday...northeast winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. a chance of snow, drizzle and a slight
chance of freezing drizzle. waves building to 5 to 8 feet
occasionally to 10 feet. 
.thursday night...northeast winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. a chance of drizzle, snow and
freezing drizzle. waves subsiding to 3 to 6 feet occasionally to
8 feet. 
.friday...northeast winds 15 to 25 knots becoming east 10 to
20 knots in the afternoon. a chance of drizzle, snow and freezing
drizzle. waves subsiding to 2 to 4 feet. 
.friday night...northeast winds 10 to 20 knots. waves subsiding
to 1 to 3 feet. 
.saturday...northeast winds 5 to 15 knots backing north. waves
subsiding to calm to 2 feet. 
.sunday...west winds 10 to 20 knots. waves calm to 2 feet. 

$$