
A series of cold fronts from North Pacific storms will bring periods of gusty winds, low elevation rainfall, and high elevation snow to the Pacific Northwest this weekend into next week. Heavy to excessive rainfall may produce areas of flooding over southern Texas this weekend. Read More >
FZUS63 KMQT 072115
GLFLS
Experimental Tabular Open Lake Forecast for Lake Superior
National Weather Service Negaunee MI
415 PM EST Sat Nov 7 2026
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...Pressure falls from 30.0 inches over Lake Superior this afternoon to
29.6 inches tonight as a 29.5 inch low crosses northern Ontario.
This low gets absorbed into a 29.3 inch low over the Canadian
Maritimes by Sunday evening, allowing 30.0 inch ridging to return
over Lake Superior Sunday night. By Monday morning, a 29.6 inch low
will move over Lake Winnipeg, weakening to 29.7 inches as it moves
over northern Ontario and brings 29.8 inch troughing over Lake
Superior Monday night. This trough shifts east into Quebec Tuesday
through Wednesday as 30.4 inch high pressure builds over Manitoba
and Ontario.
LSZ162-080900-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
400 PM EST Sat Nov 7 2026 /300 PM CST Sat Nov 7 2026/
.LATE THIS AFTERNOON, Southwest winds 20 to 30 knots. Waves 3 to
5 feet occasionally to 7 feet.
.TONIGHT, Southwest winds 20 to 30 knots veering west by
midnight. Waves building to 5 to 8 feet occasionally to 10 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet.
.SUNDAY, West winds 20 to 30 knots veering northwest by late
morning, then diminishing to 15 to 25 knots by mid afternoon.
Waves subsiding to 3 to 6 feet occasionally to 8 feet.
.SUNDAY NIGHT, Northwest winds 10 to 20 knots diminishing to
5 to 15 knots by midnight, then backing southwest late. Waves
subsiding to calm to 2 feet.
.MONDAY, South winds 5 to 15 knots becoming southwest 10 to
20 knots in the afternoon. Waves calm to 2 feet.
.MONDAY NIGHT, West winds 10 to 20 knots. Waves calm to 2 feet.
.TUESDAY, West winds 10 to 20 knots. Waves calm to 2 feet.
.TUESDAY NIGHT, Northwest winds 5 to 15 knots veering north
after midnight. Waves calm to 2 feet.
.WEDNESDAY, North winds 5 to 15 knots increasing to 10 to
20 knots. Waves building to 2 to 4 feet.
.THURSDAY, North winds 10 to 20 knots diminishing to 5 to
15 knots. Waves subsiding to calm to 2 feet.
LSZ162-080300-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
415 PM EST Sat Nov 7 2026 /315 PM CST Sat Nov 7 2026/
.Tonight...
Weather.............Partly cloudy.
Sfc winds...........Southwest 20 to 25 knots.
100-ft winds........Southwest to 30 knots.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 12 feet.
.SUNDAY...
Weather.............Mostly sunny.
Sfc winds...........West 20 to 25 knots.
100-ft winds........West to 30 knots.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 8 feet.
.SUNDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........Northwest 10 to 15 knots.
100-ft winds........Northwest 15 to 20 knots.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet after
midnight.
Ocnl waves..........Around 6 feet in the evening.
.MONDAY...
Weather.............Mostly cloudy.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet.
.MONDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........2 to 4 feet.
.FORECAST DAYS 3 THROUGH 5...
.TUESDAY...West winds 10 to 15 knots. Waves 5 to 7 feet.
.WEDNESDAY...North winds 10 to 15 knots. Waves 4 to 6 feet.
.THURSDAY...North winds 15 to 20 knots. Waves 10 to 14 feet.
$$
LSZ263-080300-
Lake Superior from Saxon Harbor WI to Upper Entrance to Portage
Canal MI 5NM off shore to the US/Canadian border including Isle
Royale National Park-
415 PM EST Sat Nov 7 2026
.Tonight...
Weather.............Partly cloudy.
Sfc winds...........Southwest to 30 knots.
100-ft winds........Southwest gales to 35 knots.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 13 feet.
.SUNDAY...
Weather.............Partly sunny.
Sfc winds...........West 20 to 25 knots.
100-ft winds........West to 30 knots.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 12 feet.
.SUNDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........Northwest 15 to 20 knots decreasing to 5 to 10
knots after midnight.
100-ft winds........Northwest 20 to 25 knots decreasing to 10 to 15
knots after midnight.
Sig waves...........6 to 9 feet subsiding to 3 to 5 feet after
midnight.
Ocnl waves..........Around 10 feet subsiding to around 6 feet after
midnight.
.MONDAY...
Weather.............Partly sunny.
Sfc winds...........South 10 to 15 knots.
100-ft winds........South 15 to 20 knots.
Sig waves...........2 to 4 feet.
.MONDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........2 to 4 feet building to 3 to 5 feet after
midnight.
Ocnl waves..........Around 5 feet building to around 6 feet after
midnight.
.FORECAST DAYS 3 THROUGH 5...
.TUESDAY...West winds 10 to 15 knots. Waves 5 to 7 feet.
.WEDNESDAY...North winds 10 to 15 knots. Waves 4 to 6 feet.
.THURSDAY...North winds 15 to 20 knots. Waves 10 to 14 feet.
$$
LSZ264-080300-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
415 PM EST Sat Nov 7 2026
.Tonight...
Weather.............Mostly cloudy.
Sfc winds...........Southwest 20 to 25 knots.
100-ft winds........Southwest to 30 knots.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 12 feet.
.SUNDAY...
Weather.............Partly sunny.
Sfc winds...........West to 30 knots.
100-ft winds........West gales to 35 knots.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 14 feet.
.SUNDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........Northwest 20 to 25 knots decreasing to 10 to 15
knots after midnight.
100-ft winds........Northwest to 30 knots decreasing to 15 to 20
knots after midnight.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 11 feet.
.MONDAY...
Weather.............Mostly cloudy.
Sfc winds...........West 5 to 10 knots becoming south 10 to 15
knots in the afternoon.
100-ft winds........West 10 to 15 knots becoming south 15 to 20
knots in the afternoon.
Sig waves...........2 to 4 feet.
.MONDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........2 to 4 feet building to 3 to 5 feet after
midnight.
Ocnl waves..........Around 6 feet after midnight.
.FORECAST DAYS 3 THROUGH 5...
.TUESDAY...West winds 10 to 15 knots. Waves 5 to 7 feet.
.WEDNESDAY...North winds 10 to 15 knots. Waves 4 to 6 feet.
.THURSDAY...North winds 15 to 20 knots. Waves 10 to 14 feet.
$$
LSZ265-080300-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
415 PM EST Sat Nov 7 2026
...GALE WARNING IN EFFECT FROM 4 AM EST SUNDAY THROUGH SUNDAY
EVENING...
.Tonight...
Weather.............Partly cloudy.
Sfc winds...........South 10 to 15 knots increasing to southwest 20
to 25 knots after midnight.
100-ft winds........South 15 to 20 knots increasing to southwest to
30 knots after midnight.
Sig waves...........2 to 4 feet building to 5 to 7 feet after
midnight.
Ocnl waves..........Around 9 feet after midnight.
.SUNDAY...
Weather.............Mostly sunny, then mostly cloudy with a slight
chance of showers in the afternoon.
Sfc winds...........West to 30 knots increasing to 35 knot gales in
the afternoon.
100-ft winds........West gales to 35 knots increasing to 45 knots
in the afternoon.
Sig waves...........10 to 14 feet.
Ocnl waves..........Around 16 feet.
.SUNDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........Northwest to 30 knots decreasing to 10 to 15
knots after midnight.
100-ft winds........Northwest gales to 35 knots decreasing to 15 to
20 knots after midnight.
Sig waves...........10 to 14 feet subsiding to 6 to 9 feet after
midnight.
Ocnl waves..........Around 16 feet subsiding to around 11 feet
after midnight.
.MONDAY...
Weather.............Mostly cloudy.
Sfc winds...........West 5 to 10 knots becoming south 10 to 15
knots in the afternoon.
100-ft winds........West 10 to 15 knots becoming south 15 to 20
knots in the afternoon.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet in the
afternoon.
Ocnl waves..........Around 6 feet in the morning.
.MONDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........South 10 to 15 knots becoming west 15 to 20
knots after midnight.
100-ft winds........South 15 to 20 knots becoming west 20 to 25
knots after midnight.
Sig waves...........2 to 4 feet building to 3 to 5 feet after
midnight.
Ocnl waves..........Around 7 feet after midnight.
.FORECAST DAYS 3 THROUGH 5...
.TUESDAY...West winds 10 to 15 knots. Waves 5 to 7 feet.
.WEDNESDAY...North winds 10 to 15 knots. Waves 4 to 6 feet.
.THURSDAY...North winds 15 to 20 knots. Waves 10 to 14 feet.
$$
LSZ266-080300-
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-
415 PM EST Sat Nov 7 2026
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...
.Tonight...
Weather.............Partly cloudy.
Sfc winds...........Southwest 15 to 20 knots.
100-ft winds........Southwest 20 to 25 knots.
Sig waves...........3 to 5 feet building to 6 to 9 feet after
midnight.
Ocnl waves..........Around 6 feet building to around 12 feet after
midnight.
.SUNDAY...
Weather.............Mostly sunny, then mostly cloudy with chance of
showers in the afternoon.
Sfc winds...........West to 30 knots becoming northwest gales to 35
knots in the afternoon.
100-ft winds........West gales to 35 knots becoming northwest at 45
knots in the afternoon.
Sig waves...........10 to 14 feet.
Ocnl waves..........Around 18 feet.
.SUNDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........Northwest to 30 knots decreasing to 15 to 20
knots after midnight.
100-ft winds........Northwest gales to 35 knots decreasing to 20 to
25 knots after midnight.
Sig waves...........12 to 16 feet.
Ocnl waves..........Around 19 feet.
.MONDAY...
Weather.............Mostly cloudy.
Sfc winds...........Northwest 5 to 10 knots becoming south 10 to 15
knots in the afternoon.
100-ft winds........Northwest 10 to 15 knots becoming south 15 to
20 knots in the afternoon.
Sig waves...........5 to 7 feet subsiding to 2 to 4 feet in the
afternoon.
Ocnl waves..........Around 9 feet subsiding to around 5 feet in the
afternoon.
.MONDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........South 10 to 15 knots becoming west 15 to 20
knots after midnight.
100-ft winds........South 15 to 20 knots becoming west 20 to 25
knots after midnight.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
.FORECAST DAYS 3 THROUGH 5...
.TUESDAY...West winds 10 to 15 knots. Waves 5 to 7 feet.
.WEDNESDAY...North winds 10 to 15 knots. Waves 4 to 6 feet.
.THURSDAY...North winds 15 to 20 knots. Waves 10 to 14 feet.
$$
LSZ267-080300-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
415 PM EST Sat Nov 7 2026
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...
.Tonight...
Weather.............Mostly cloudy.
Sfc winds...........Southwest 15 to 20 knots.
100-ft winds........Southwest 20 to 25 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
.SUNDAY...
Weather.............Mostly cloudy, then chance of showers in the
afternoon.
Sfc winds...........West to 30 knots increasing to northwest gales
to 40 knots in the afternoon.
100-ft winds........West gales to 35 knots increasing to northwest
storm force winds to 50 knots in the afternoon.
Sig waves...........8 to 12 feet building to 14 to 18 feet in the
afternoon.
Ocnl waves..........Around 15 feet building to around 23 feet in
the afternoon.
.SUNDAY NIGHT...
Weather.............Cloudy with chance of showers, then mostly
cloudy after midnight.
Sfc winds...........Northwest gales to 35 knots decreasing to 20 to
25 knots after midnight.
100-ft winds........Northwest gales to 45 knots decreasing to 30
knots after midnight.
Sig waves...........12 to 16 feet.
Ocnl waves..........Around 20 feet.
.MONDAY...
Weather.............Mostly cloudy.
Sfc winds...........Northwest 10 to 15 knots.
100-ft winds........Northwest 15 to 20 knots.
Sig waves...........6 to 9 feet subsiding to 2 to 4 feet in the
afternoon.
Ocnl waves..........Around 10 feet subsiding to around 5 feet in
the afternoon.
.MONDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........South 10 to 15 knots becoming west 15 to 20
knots after midnight.
100-ft winds........South 15 to 20 knots becoming west 20 to 25
knots after midnight.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
.FORECAST DAYS 3 THROUGH 5...
.TUESDAY...West winds 10 to 15 knots. Waves 5 to 7 feet.
.WEDNESDAY...North winds 10 to 15 knots. Waves 4 to 6 feet.
.THURSDAY...North winds 15 to 20 knots. Waves 10 to 14 feet.
$$
LSZ261-080300-
MAFOR 0722/
Superior West 11530 11540 11550 12640 11630 12730. Waves 2 to 4
feet building to 4 to 7 feet tonight. Waves 3 to 6 feet Sunday.
Superior North Central 12530 11540 11650 11640 11650 12750. Waves
3 to 6 feet building to 5 to 9 feet tonight. Waves 6 to 9 feet
Sunday.
Superior South Central...GALE WARNING IN EFFECT...11420 11530
11540 13650 11750 11760. A chance of showers Sunday afternoon.
Waves 2 feet or less building to 3 to 6 feet tonight. Waves 4 to
7 feet building to 9 to 12 feet Sunday.
Superior East...GALE WARNING IN EFFECT...11410 11520 12530 12640
12750. A chance of showers Sunday afternoon. Waves 2 feet or less
building to 3 to 5 feet tonight. Waves 4 to 7 feet building to 10
to 14 feet Sunday.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet.