fzus63 kmqt 150751
glfls 
expires:202410151600;;306171

open lake forecast for lake superior
national weather service marquette mi
351 am edt tue oct 15 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...30.5 inch high pressure in northern ontario moves 
south into southern minnesota by this evening while weakening to 
30.4 inches. this ridge weakens to 30.3 inches as it moves to the 
mid mississippi river valley by wednesday evening. low pressure 
near 29.4 inch begins to develop out of the northern plains 
thursday, sending weak troughing near 29.9 inches late into 
friday into the upper mississippi river valley. the trough further
weakens into saturday while high pressure of 30.5 inches over 
much of the eastern us expands westward.


lsz162-151600-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
351 am edt tue oct 15 2024 /251 am cdt tue oct 15 2024/

.early this morning...northeast winds 15 to 25 knots. waves 5 to
8 feet occasionally to 10 feet. 
.today...north winds 15 to 25 knots diminishing to 10 to 20 knots
in the afternoon, then backing northwest late. waves subsiding to
1 to 3 feet. 
.tonight...northwest winds 5 to 15 knots becoming west 10 to
20 knots late. waves subsiding to calm to 2 feet. 
.wednesday...west winds 10 to 20 knots becoming southwest 20 to
30 knots in the afternoon. waves building to 3 to 5 feet
occasionally to 7 feet. 
.wednesday night...southwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. waves subsiding to 2 to 4 feet. 
.thursday...south winds 20 to 30 knots. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.thursday night...south winds 20 to 30 knots. waves building to
3 to 6 feet occasionally to 8 feet. 
.friday...south winds 15 to 25 knots becoming southwest 10 to
20 knots. a chance of showers. waves subsiding to 1 to 3 feet,
then building to 2 to 4 feet. 
.saturday...west winds 10 to 20 knots diminishing to 5 to
15 knots. a chance of showers. waves subsiding to calm to 2 feet.

$$

fzus63 kmqt 150751
glfls 
expires:202410151600;;306172

open lake forecast for lake superior
national weather service marquette mi
351 am edt tue oct 15 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...30.5 inch high pressure in northern ontario moves 
south into southern minnesota by this evening while weakening to 
30.4 inches. this ridge weakens to 30.3 inches as it moves to the 
mid mississippi river valley by wednesday evening. low pressure 
near 29.4 inch begins to develop out of the northern plains 
thursday, sending weak troughing near 29.9 inches late into 
friday into the upper mississippi river valley. the trough further
weakens into saturday while high pressure of 30.5 inches over 
much of the eastern us expands westward.


lsz263-151600-
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-
351 am edt tue oct 15 2024

.early this morning...north winds 15 to 25 knots. a slight chance
of waterspouts. isolated rain showers. waves 5 to 8 feet
occasionally to 10 feet. 
.today...north winds 15 to 25 knots becoming northwest 10 to
20 knots late. a slight chance of waterspouts through early
afternoon. isolated rain showers through early afternoon. waves
subsiding to 2 to 4 feet. 
.tonight...north winds 5 to 15 knots backing west late. waves
subsiding to calm to 2 feet. 
.wednesday...west winds 10 to 20 knots becoming southwest 20 to
30 knots in the afternoon. waves building to 3 to 6 feet
occasionally to 8 feet. 
.wednesday night...southwest winds 15 to 25 knots. waves
subsiding to 3 to 5 feet occasionally to 7 feet. 
.thursday...south winds 20 to 30 knots. waves building to 3 to
6 feet occasionally to 8 feet. 
.thursday night...south winds 20 to 30 knots. waves building to
3 to 6 feet occasionally to 8 feet. 
.friday...south winds 15 to 25 knots becoming southwest 10 to
20 knots. a chance of showers. waves subsiding to 1 to 3 feet,
then building to 2 to 4 feet. 
.saturday...west winds 10 to 20 knots becoming southwest 5 to
15 knots. a chance of showers. waves subsiding to calm to 2 feet.

$$