FZUS63 KMQT 211515
GLFLS

Experimental Tabular Open Lake Forecast for Lake Superior
National Weather Service Negaunee MI
1015 AM EST Sat Dec 21 2024

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...A weakening high pressure will slowly meander east to
New England by early Monday while weakening to 30.6 inches. A
29.8 inch low pressure system over southeast South Dakota Sunday
evening will move to western Wisconsin Monday morning while
weakening to 29.9 inches and move to lower Michigan while
weakening further to 30.0 inches by Monday evening. This feature
slides into the Lower Great Lakes by Tuesday morning, followed by
ridging building to 30.3 inches the rest of the day through
Wednesday.

LSZ162-212300-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
947 AM EST Sat Dec 21 2024 /847 AM CST Sat Dec 21 2024/

.REST OF TODAY, Northeast winds 5 to 15 knots veering south.
Isolated snow showers in the afternoon. Waves calm to 2 feet.
.TONIGHT, South winds 10 to 20 knots increasing to 15 to
25 knots by midnight. Waves building to 1 to 3 feet.
.SUNDAY, South winds 15 to 25 knots diminishing to 10 to
20 knots. A slight chance of snow showers in the morning. Waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
2 to 4 feet.
.SUNDAY NIGHT, South winds 5 to 15 knots. A chance of snow
showers after midnight. Waves subsiding to calm to 2 feet.
.MONDAY, Northeast winds 5 to 15 knots becoming north 10 to
20 knots in the afternoon. Waves calm to 2 feet.
.MONDAY NIGHT, North winds 5 to 15 knots veering northeast after
midnight. Waves calm to 2 feet.
.TUESDAY, Southwest winds 5 to 15 knots increasing to 10 to
20 knots. Waves calm to 2 feet.
.WEDNESDAY, Southwest winds 10 to 20 knots. Waves calm to
2 feet.

Note, wave height forecasts are for ice free areas.

LSZ162-212100-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
1015 AM EST Sat Dec 21 2024 /915 AM CST Sat Dec 21 2024/

.This Afternoon...
Weather.............Partly sunny.
Sfc winds...........Light and variable winds becoming south 5 to 10
                              knots in the afternoon.
100-ft winds........Light and variable winds becoming south 10 to
                              15 knots in the afternoon.
Sig waves...........2 to 4 feet.

.TONIGHT...
Weather.............Mostly cloudy.
Sfc winds...........South 15 to 20 knots.
100-ft winds........South 20 to 25 knots.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet after midnight.

.SUNDAY...
Weather.............Mostly cloudy.
Sfc winds...........South 15 to 20 knots.
100-ft winds........South 20 to 25 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 7 feet.

.SUNDAY NIGHT...
Weather.............Cloudy, then chance of snow showers after
                              midnight.
Sfc winds...........South 10 to 15 knots.
100-ft winds........South 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.


.FORECAST DAYS 3 THROUGH 5...

.MONDAY...Slight chance of snow showers in the morning. chance of
snow showers in the afternoon. East winds 10 to 15 knots. Waves
6 to 9 feet.
.TUESDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.WEDNESDAY...South winds 10 to 15 knots. Waves 3 to 5 feet.

$$

LSZ263-212100-
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-
1015 AM EST Sat Dec 21 2024

.This Afternoon...
Weather.............Partly sunny with isolated snow showers.
Sfc winds...........North 5 to 10 knots late in the morning
                              becoming light and variable.
100-ft winds........North 10 to 15 knots late in the morning
                              becoming light and variable.
Sig waves...........2 to 4 feet.

.TONIGHT...
Weather.............Mostly cloudy with isolated snow showers, then
                              mostly cloudy after midnight.
Sfc winds...........South 15 to 20 knots.
100-ft winds........South 20 to 25 knots.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet after midnight.

.SUNDAY...
Weather.............Mostly cloudy.
Sfc winds...........South 15 to 20 knots.
100-ft winds........South 20 to 25 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 8 feet.

.SUNDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........South 15 to 20 knots.
100-ft winds........South 20 to 25 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 7 feet.


.FORECAST DAYS 3 THROUGH 5...

.MONDAY...Slight chance of snow showers in the morning. chance of
snow showers in the afternoon. East winds 10 to 15 knots. Waves
6 to 9 feet.
.TUESDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.WEDNESDAY...South winds 10 to 15 knots. Waves 3 to 5 feet.

$$

LSZ264-212100-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
1015 AM EST Sat Dec 21 2024

.This Afternoon...
Weather.............Partly sunny with isolated snow showers.
Sfc winds...........North 5 to 10 knots late in the morning
                              becoming light and variable.
100-ft winds........North 10 to 15 knots late in the morning
                              becoming light and variable.
Sig waves...........2 to 4 feet.

.TONIGHT...
Weather.............Mostly cloudy.
Sfc winds...........South 5 to 10 knots increasing to 15 to 20
                              knots after midnight.
100-ft winds........South 10 to 15 knots increasing to 20 to 25
                              knots after midnight.
Sig waves...........2 to 4 feet building to 3 to 5 feet after
                              midnight.
Ocnl waves..........Around 5 feet after midnight.

.SUNDAY...
Weather.............Partly sunny.
Sfc winds...........South 20 to 25 knots.
100-ft winds........South to 30 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 8 feet.

.SUNDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........South 15 to 20 knots.
100-ft winds........South 20 to 25 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 8 feet.


.FORECAST DAYS 3 THROUGH 5...

.MONDAY...Slight chance of snow showers in the morning. chance of
snow showers in the afternoon. East winds 10 to 15 knots. Waves
6 to 9 feet.
.TUESDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.WEDNESDAY...South winds 10 to 15 knots. Waves 3 to 5 feet.

$$

LSZ265-212100-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
1015 AM EST Sat Dec 21 2024

.This Afternoon...
Weather.............Mostly cloudy with scattered snow showers, then
                              mostly cloudy with isolated snow showers in the
                              afternoon.
Sfc winds...........North 5 to 10 knots.
100-ft winds........North 10 to 15 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.

.TONIGHT...
Weather.............Mostly cloudy.
Sfc winds...........West 5 to 10 knots becoming south 10 to 15
                              knots after midnight.
100-ft winds........West 10 to 15 knots becoming south 15 to 20
                              knots after midnight.
Sig waves...........2 to 4 feet.

.SUNDAY...
Weather.............Partly sunny.
Sfc winds...........South 15 to 20 knots.
100-ft winds........South 20 to 25 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 7 feet.

.SUNDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........South 15 to 20 knots.
100-ft winds........South 20 to 25 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.


.FORECAST DAYS 3 THROUGH 5...

.MONDAY...Slight chance of snow showers in the morning. chance of
snow showers in the afternoon. East winds 10 to 15 knots. Waves
6 to 9 feet.
.TUESDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.WEDNESDAY...South winds 10 to 15 knots. Waves 3 to 5 feet.

$$

LSZ266-212100-
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-
1015 AM EST Sat Dec 21 2024

.This Afternoon...
Weather.............Mostly cloudy with isolated snow showers.
Sfc winds...........North 10 to 15 knots.
100-ft winds........North 15 to 20 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.

.TONIGHT...
Weather.............Mostly cloudy with isolated snow showers, then
                              partly cloudy after midnight.
Sfc winds...........Light and variable winds becoming south 10 to
                              15 knots after midnight.
100-ft winds........Light and variable winds becoming south 15 to
                              20 knots after midnight.
Sig waves...........2 to 4 feet building to 3 to 5 feet after
                              midnight.
Ocnl waves..........Around 6 feet after midnight.

.SUNDAY...
Weather.............Partly sunny.
Sfc winds...........South to 30 knots.
100-ft winds........South gales to 35 knots.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 11 feet.

.SUNDAY NIGHT...
Weather.............Mostly cloudy, then chance of snow showers
                              after midnight.
Sfc winds...........South to 30 knots decreasing to 15 to 20 knots
                              after midnight.
100-ft winds........South gales to 35 knots decreasing to 20 to 25
                              knots after midnight.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 12 feet.


.FORECAST DAYS 3 THROUGH 5...

.MONDAY...Slight chance of snow showers in the morning. chance of
snow showers in the afternoon. East winds 10 to 15 knots. Waves
6 to 9 feet.
.TUESDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.WEDNESDAY...South winds 10 to 15 knots. Waves 3 to 5 feet.

$$

LSZ267-212100-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
1015 AM EST Sat Dec 21 2024

.This Afternoon...
Weather.............Partly sunny with isolated snow showers.
Sfc winds...........North 10 to 15 knots.
100-ft winds........North 15 to 20 knots.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet in the
                              afternoon.
Ocnl waves..........Around 6 feet subsiding to around 5 feet in the
                              afternoon.

.TONIGHT...
Weather.............Mostly cloudy with isolated snow showers.
Sfc winds...........Northwest 5 to 10 knots becoming southeast 10
                              to 15 knots after midnight.
100-ft winds........Northwest 10 to 15 knots becoming southeast 15
                              to 20 knots after midnight.
Sig waves...........2 to 4 feet.

.SUNDAY...
Weather.............Mostly cloudy, then chance of snow showers in
                              the afternoon.
Sfc winds...........South 20 to 25 knots.
100-ft winds........South to 30 knots.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 9 feet.

.SUNDAY NIGHT...
Weather.............Cloudy with chance of snow showers.
Sfc winds...........South 20 to 25 knots.
100-ft winds........South to 30 knots.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 11 feet.


.FORECAST DAYS 3 THROUGH 5...

.MONDAY...Slight chance of snow showers in the morning. chance of
snow showers in the afternoon. East winds 10 to 15 knots. Waves
6 to 9 feet.
.TUESDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.WEDNESDAY...South winds 10 to 15 knots. Waves 3 to 5 feet.

$$

LSZ261-212100-
MAFOR 2116/
Superior West 11300 11400 12410 12420 12430. Waves 1 foot or less
this afternoon. Waves 2 feet or less building to 2 to 3 feet
tonight. Waves 3 to 5 feet Sunday morning.

Superior North Central 11800 11700 11500 11410 12420 12430. Waves
2 feet or less this afternoon. Waves 2 feet or less building to 2
to 3 feet tonight. Waves 2 to 4 feet Sunday morning.

Superior South Central 11800 19807 11800 11700 11500 12420 12430.
Waves 1 to 3 feet this afternoon. Waves 1 to 2 feet building to 2
to 4 feet tonight. Waves 3 to 5 feet Sunday morning.

Superior East 11810 12800 11100 11400 11420 12430. Waves 1 to 3
feet subsiding to 1 foot or less, then building to 1 to 3 feet
this afternoon and tonight. Waves 3 to 6 feet Sunday morning.

$$

Occasional waves will only be displayed when values meet or exceed 5 feet.

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