Latest Great Lakes Marine Forecast by KMQT
Issued 2/14/2026 10:01 AM America/New_York.
Valid through 2/14/2026 4:00 PM America/New_York.
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glfls
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open lake forecast for lake superior
national weather service marquette mi
1000 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 29.9 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 pressure falls into the middle of the week as a 29.3
inch low lifts off of the central rockies into the upper midwest by
wednesday.
lsz162-142100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am est sat feb 14 2026 /900 am cst sat feb 14 2026/
.rest of 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.
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