fzus63 kmqt 140901
glfls 
expires:202602142100;;605023

open lake forecast for lake superior
national weather service marquette mi
400 am est sat feb 14 2026

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...

high pressure builds to 30.1 inches over the great lakes this 
morning before a weak 29.9 inch trough moves into the upper great 
lakes this evening. this is followed by weak 30.0 inch ridging 
sunday ahead of a deeper 29.8 inch trough moving over the lake on 
monday. ridging builds to 30.2 inches over the lake on tuesday, 
giving way to height falls into the middle of the week as a 29.3 
inch low lifts off of the central rockies into lower michigan by 
wednesday.



lsz162-142100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est sat feb 14 2026 /300 am cst sat feb 14 2026/

.early this morning...southeast winds 5 to 15 knots. waves calm
to 2 feet. 
.today...south winds 5 to 15 knots veering southwest. waves calm
to 2 feet. 
.tonight...west winds 5 to 15 knots veering northwest late.
patchy dense fog after midnight. waves calm to 2 feet. 
.sunday...west winds 5 to 15 knots backing south by mid
afternoon. waves calm to 2 feet. 
.sunday night...southwest winds 5 to 15 knots. waves calm to
2 feet. 
.monday...west winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...west winds 5 to 15 knots veering northeast after
midnight. waves calm to 2 feet. 
.tuesday...east gales to 45 knots. a chance of snow showers.
waves calm to 2 feet. 
.wednesday...east gales to 45 knots. snow showers likely, then a
chance of snow showers. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 140901
glfls 
expires:202602142100;;605024

open lake forecast for lake superior
national weather service marquette mi
400 am est sat feb 14 2026

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...

high pressure builds to 30.1 inches over the great lakes this 
morning before a weak 29.9 inch trough moves into the upper great 
lakes this evening. this is followed by weak 30.0 inch ridging 
sunday ahead of a deeper 29.8 inch trough moving over the lake on 
monday. ridging builds to 30.2 inches over the lake on tuesday, 
giving way to height falls into the middle of the week as a 29.3 
inch low lifts off of the central rockies into lower michigan by 
wednesday.



lsz263-142100-
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-
400 am est sat feb 14 2026

.early this morning...south winds less than 10 knots. waves calm
to 2 feet. 
.today...south winds 5 to 15 knots veering southwest by late
morning, then diminishing to less than 10 knots by mid afternoon.
waves calm to 2 feet. 
.tonight...west winds less than 10 knots veering northwest late.
patchy fog. waves calm to 2 feet. 
.sunday...north winds less than 10 knots backing west by late
morning, then becoming south 5 to 15 knots by mid afternoon.
patchy dense fog in the morning. waves calm to 2 feet. 
.sunday night...south winds 5 to 15 knots veering southwest after
midnight. waves calm to 2 feet. 
.monday...west winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...west winds 5 to 15 knots veering north after
midnight. waves calm to 2 feet. 
.tuesday...northeast winds 20 to 30 knots becoming east gales to
45 knots. a chance of snow showers. waves building to 5 to 8 feet
occasionally to 10 feet. 
.wednesday...east gales to 45 knots. a chance of snow showers.
waves building to 5 to 9 feet occasionally to 11 feet. 

note, wave height forecasts are for ice free areas.

$$