396
FZUS63 KMQT 140901
GLFLS

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.

$$

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.

$$

LSZ264-142100-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
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. Waves calm to 2 feet.
.TONIGHT...West winds 5 to 15 knots veering north late. Patchy
fog after midnight. Waves calm to 2 feet.
.SUNDAY...North winds less than 10 knots backing northwest by
late morning, then backing southwest by mid afternoon. Areas of
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 building to 1 to 3 feet.
.TUESDAY...Northeast winds 15 to 25 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.

$$

LSZ265-142100-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
400 AM EST Sat Feb 14 2026

.EARLY THIS MORNING...Southwest winds 5 to 15 knots. Waves calm
to 2 feet.
.TODAY...South winds 5 to 15 knots increasing to 10 to 20 knots.
Waves calm to 2 feet.
.TONIGHT...South winds 10 to 20 knots veering west by midnight.
Patchy fog after midnight. Waves calm to 2 feet.
.SUNDAY...Northwest winds 10 to 20 knots becoming west 5 to
15 knots by mid afternoon. Areas of dense fog in the morning.
Waves calm to 2 feet.
.SUNDAY NIGHT...South winds 10 to 20 knots veering southwest
after midnight. Waves calm to 2 feet.
.MONDAY...Southwest winds 10 to 20 knots veering northwest in the
afternoon. Waves calm to 2 feet.
.MONDAY NIGHT...West winds 10 to 20 knots veering northwest after
midnight. Waves calm to 2 feet.
.TUESDAY...Northeast winds 15 to 25 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 6 to 9 feet occasionally to 11 feet, then
subsiding to 4 to 7 feet occasionally to 9 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ266-142100-
Lake Superior East of a line from Manitou Island to Marquette MI
and West of a line from Grand Marais MI to the US/Canadian Border
Beyond 5NM from shore-
400 AM EST Sat Feb 14 2026

.EARLY THIS MORNING...Southwest winds 5 to 15 knots. Waves calm
to 2 feet.
.TODAY...South winds 5 to 15 knots increasing to 10 to 20 knots.
Waves building to 1 to 3 feet.
.TONIGHT...South winds 10 to 20 knots veering southwest by
midnight, then veering northwest late. Patchy fog after midnight.
Waves subsiding to calm to 2 feet.
.SUNDAY...Northwest winds 10 to 20 knots diminishing to 5 to
15 knots by late morning, then backing west by mid afternoon.
Areas of dense fog in the morning. Waves calm to 2 feet.
.SUNDAY NIGHT...South winds 5 to 15 knots increasing to 10 to
20 knots after midnight. Waves building to 1 to 3 feet.
.MONDAY...Southwest winds 10 to 20 knots veering northwest in the
afternoon. Waves building to 2 to 4 feet.
.MONDAY NIGHT...Northwest winds 10 to 20 knots. Waves subsiding
to 1 to 3 feet, then building to 2 to 4 feet.
.TUESDAY...Northeast winds 15 to 25 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.

$$

LSZ267-142100-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
400 AM EST Sat Feb 14 2026

.EARLY THIS MORNING...West winds 5 to 15 knots. Patchy fog. Waves
calm to 2 feet.
.TODAY...South winds 5 to 15 knots increasing to 10 to 20 knots.
Waves calm to 2 feet.
.TONIGHT...South winds 10 to 20 knots. Patchy fog. Waves building
to 1 to 3 feet, then subsiding to calm to 2 feet.
.SUNDAY...South winds 5 to 15 knots veering northwest by late
morning, then backing west by mid afternoon. Areas of dense fog
in the morning. Waves calm to 2 feet.
.SUNDAY NIGHT...South winds 5 to 15 knots increasing to 10 to
20 knots after midnight. Waves building to 1 to 3 feet.
.MONDAY...South winds 10 to 20 knots veering west in the
afternoon. Waves building to 2 to 4 feet.
.MONDAY NIGHT...Northwest winds 5 to 15 knots. Waves subsiding to
1 to 3 feet, then building to 2 to 4 feet.
.TUESDAY...Northeast winds 10 to 20 knots becoming east gales to
40 knots. A chance of snow showers. Waves subsiding to 1 to
3 feet, then building to 3 to 5 feet occasionally to 7 feet.
.WEDNESDAY...East gales to 45 knots. A chance of snow showers.
Waves building to 3 to 6 feet occasionally to 8 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ261-141500-
MAFOR 1410/
Superior West 11300 11400 12500 13600 11700. Waves omitted due to
the lake being mostly ice covered.

Superior North Central 11400 13410 11500 11600 12700. Waves 1
foot or less. Wave heights are for ice free areas.

Superior South Central 11500 11410 13420 11410 11510 11610. Waves
2 feet or less. Wave heights are for ice free areas.

Superior East 11500 11400 12410 12420 12410. Waves 1 to 3 feet.

$$

WFO MQT

Experimental modernized open lake forecast is available online at
weather.gov/mqt/glftable

Graphical marine forecasts are available online at:
weather.gov/greatlakes