fzus63 kdtx 170257
glflh 
expires:202602171100;;759674

open lake forecast for lake huron
national weather service detroit/pontiac mi
957 pm est mon feb 16 2026

for waters beyond five nautical miles off shore on lake huron

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 weak cold front stalls across the central great
lakes tonight. low pressure, 29.40 inches, then brings easterly
gale force gusts to the region wednesday. a gale watch has been
issued.


lhz361-362-171100-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
957 pm est mon feb 16 2026

...gale watch in effect from late tuesday night through wednesday
afternoon...

.rest of tonight...southwest winds 5 to 10 knots veering to the
northwest after midnight. patchy fog this evening. waves 1 to
3 feet. 
.tuesday...northwest winds 5 to 10 knots in the morning becoming
light and variable. patchy fog. waves 2 feet or less. 
.tuesday night...east winds 5 to 10 knots increasing to 20 to
25 knots with gusts to 35 knot gales. snow...rain likely and a
chance of freezing rain after midnight. waves 2 feet or less
building to 8 to 12 feet. waves occasionally around 15 feet. 
.wednesday...east winds to 30 knots decreasing to 20 to 25 knots
early in the afternoon. gusts to 40 knot gales. snow...freezing
rain and rain in the morning...then snow likely...freezing rain
and rain in the afternoon. waves 10 to 14 feet. waves
occasionally around 18 feet. 
.wednesday night...east winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots after midnight. a chance of
snow. waves 6 to 9 feet. waves occasionally around 12 feet. 
.thursday...east winds 15 to 20 knots increasing to 30 knots. a
chance of snow and rain late in the evening. waves 6 to 9 feet
building to 10 to 14 feet late in the evening. waves occasionally
around 18 feet. 
.friday...east winds to 30 knots with gusts to 35 knot gales
decreasing to 20 to 25 knots with gusts to around 30 knots . snow
and rain likely early in the morning...then a chance of snow
early in the evening. waves 10 to 14 feet. waves occasionally
around 18 feet. 
.saturday...northeast winds 20 to 25 knots becoming north 15 to
20 knots in the late morning and early afternoon...then
decreasing to 10 to 15 knots early in the evening becoming
northwest 15 to 20 knots by midnight. waves 6 to 9 feet. waves
occasionally around 12 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 170257
glflh 
expires:202602171100;;759675

open lake forecast for lake huron
national weather service detroit/pontiac mi
957 pm est mon feb 16 2026

for waters beyond five nautical miles off shore on lake huron

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 weak cold front stalls across the central great
lakes tonight. low pressure, 29.40 inches, then brings easterly
gale force gusts to the region wednesday. a gale watch has been
issued.


lhz363-171100-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
957 pm est mon feb 16 2026

.rest of tonight...southwest winds 5 to 10 knots veering to the
northwest after midnight. 
.tuesday...northwest winds 5 to 10 knots early in the morning
becoming light and variable. patchy fog in the morning. areas of
fog in the afternoon. 
.tuesday night...east winds 5 to 10 knots increasing to 15 to
20 knots. rain...freezing rain and snow likely after midnight. 
.wednesday...east winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. rain with freezing rain
likely in the morning...then rain in the afternoon. 
.wednesday night...east winds 10 to 15 knots. 
.thursday...east winds 10 to 15 knots increasing to 20 to
25 knots with gusts to around 30 knots. a chance of rain and snow
late in the evening. 
.friday...east winds 20 to 25 knots with gusts to around 30 knots
decreasing to 15 to 20 knots early in the evening...then becoming
southeast 20 to 25 knots by midnight. rain and snow likely early
in the morning...then a chance of rain and snow early in the
evening. 
.saturday...north winds 15 to 20 knots becoming northwest 10 to
15 knots early in the evening...then increasing to 15 to 20 knots
by midnight. 

waves omitted due to ice coverage.

$$

fzus63 kdtx 170257
glflh 
expires:202602171100;;759676

open lake forecast for lake huron
national weather service detroit/pontiac mi
957 pm est mon feb 16 2026

for waters beyond five nautical miles off shore on lake huron

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 weak cold front stalls across the central great
lakes tonight. low pressure, 29.40 inches, then brings easterly
gale force gusts to the region wednesday. a gale watch has been
issued.


lhz462>464-171100-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
957 pm est mon feb 16 2026

.rest of tonight...southwest winds 5 to 10 knots veering to the
northwest early in the morning. patchy fog after midnight. 
.tuesday...light and variable winds. patchy fog. 
.tuesday night...east winds 5 to 10 knots increasing to 10 to
15 knots after midnight. rain after midnight. 
.wednesday...east winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. rain.
.wednesday night...east winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and overnight. 
.thursday...east winds 5 to 10 knots increasing to 15 to
20 knots. a chance of rain and snow late in the evening. 
.friday...east winds 20 to 25 knots becoming southeast 15 to
20 knots early in the evening...then veering to the south by
midnight. rain and snow likely early in the morning...then a
chance of rain and snow . 
.saturday...north winds 15 to 20 knots backing to the northwest
in the late morning and early afternoon...then decreasing to
10 to 15 knots . 

waves omitted due to ice coverage.

$$

fzus63 kmkx 170258
glflm 
expires:202602171015;;759685

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
858 pm cst mon feb 16 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

light northerly winds this evening will gradually become easterly
overnight as high pressure of 30.1 inches moves in from the
northwest. east to southeast winds will then increase later 
tuesday into tuesday night, as strong low pressure around 29.2 
inches moves toward the region. easterly gales are possible later 
tuesday night into wednesday afternoon over the northern third of 
the lake, where a gale watch is in effect. the warmer airmass over
the chilly lake waters may limit the mixing down of higher gusts 
elsewhere across the lake.

after somewhat lighter winds later wednesday into thursday, winds
will likely increase thursday night into friday night, as another
strong low pressure system around 29.2 inches lifts northeast 
through the region.


lmz261-362-364-563-171015-
lake michigan from seul choix point to rock island passage 5 nm
offshore to mid lake-
lake michigan south of a line from seul choix point to the
mackinac bridge and north of a line from charlevoix mi to south
fox island 5 nm offshore-
lake michigan from charlevoix to point betsie mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
858 pm cst mon feb 16 2026

sturgeon bay wi to point betsie mi north...

...gale watch in effect from late tuesday night through wednesday
afternoon...

.rest of tonight...north winds 5 to 10 kt becoming northeast.
patchy fog through early evening, then areas of dense freezing
fog with patchy dense fog overnight. waves 1 to 3 ft. 
.tuesday...east winds 5 to 10 kt increasing to 10 to 20 kt. areas
of dense freezing fog with patchy fog in the morning. waves 1 to
2 ft building to 2 to 4 ft. 
.tuesday night...east winds 15 to 25 kt increasing to gales to
40 kt. chance of rain, light freezing rain and snow in the
evening, then rain, snow and freezing rain overnight. patchy fog
overnight. waves 3 to 5 ft building to 7 to 10 ft occasionally to
13 ft. 
.wednesday...east gales to 40 kt diminishing to gales to 35 kt.
rain, snow and freezing rain in the morning, then snow likely,
chance of rain and light freezing rain likely in the afternoon.
waves 8 to 11 ft occasionally to 14 ft subsiding to 6 to 9 ft
occasionally to 12 ft. 
.wednesday night...east winds to 30 kt diminishing to 15 to
25 kt. chance of snow in the evening. waves 4 to 7 ft
occasionally to 9 ft subsiding to 4 to 6 ft occasionally to 8 ft.
.thursday...east winds 15 to 25 kt. waves 3 to 5 ft. 
.thursday night...east winds to 30 kt. chance of rain and snow.
waves 4 to 7 ft occasionally to 9 ft building to 7 to 10 ft
occasionally to 13 ft. 
.friday...east winds to 30 kt. chance of snow and rain likely.
waves 7 to 10 ft occasionally to 13 ft building to 8 to 12 ft
occasionally to 16 ft. 
.saturday...north winds 10 to 20 kt becoming northwest. waves
4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft.  

$$

fzus63 kmkx 170258
glflm 
expires:202602171015;;759686

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
858 pm cst mon feb 16 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

light northerly winds this evening will gradually become easterly
overnight as high pressure of 30.1 inches moves in from the
northwest. east to southeast winds will then increase later 
tuesday into tuesday night, as strong low pressure around 29.2 
inches moves toward the region. easterly gales are possible later 
tuesday night into wednesday afternoon over the northern third of 
the lake, where a gale watch is in effect. the warmer airmass over
the chilly lake waters may limit the mixing down of higher gusts 
elsewhere across the lake.

after somewhat lighter winds later wednesday into thursday, winds
will likely increase thursday night into friday night, as another
strong low pressure system around 29.2 inches lifts northeast 
through the region.


lmz366-565-567-868-171015-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from sturgeon bay to two rivers wi 5 nm offshore to
mid lake-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
858 pm cst mon feb 16 2026

sturgeon bay wi to point betsie mi south to sheboygan wi to
pentwater mi...

.rest of tonight...north winds 5 to 10 kt becoming east. patchy
fog overnight. waves 2 to 4 ft subsiding to 1 to 3 ft.
.tuesday...east winds 10 to 15 kt increasing to 10 to 20 kt.
patchy fog in the morning, then patchy dense fog in the
afternoon. slight chance of rain in the afternoon. waves 2 to
4 ft. 
.tuesday night...east winds 15 to 25 kt becoming southeast to
30 kt. rain. patchy fog overnight. waves 4 to 6 ft occasionally
to 8 ft building to 6 to 9 ft occasionally to 12 ft. 
.wednesday...south winds 15 to 25 kt becoming southwest 10 to
20 kt. rain likely in the morning. waves 6 to 9 ft occasionally
to 12 ft. 
.wednesday night...southwest winds 10 to 15 kt becoming south.
waves 3 to 5 ft subsiding to 2 to 4 ft. 
.thursday...southeast winds 10 to 15 kt becoming east. waves 2 to
4 ft. 
.thursday night...east winds 15 to 25 kt increasing to 30 kt.
snow likely with a chance of rain. waves 4 to 7 ft occasionally
to 9 ft building to 7 to 10 ft occasionally to 13 ft. 
.friday...southeast winds to 30 kt veering to west 15 to 25 kt.
snow and rain likely. waves 8 to 12 ft occasionally to 16 ft. 
.saturday...northwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to
6 ft occasionally to 8 ft.  

$$

fzus63 kmkx 170258
glflm 
expires:202602171015;;759687

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
858 pm cst mon feb 16 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

light northerly winds this evening will gradually become easterly
overnight as high pressure of 30.1 inches moves in from the
northwest. east to southeast winds will then increase later 
tuesday into tuesday night, as strong low pressure around 29.2 
inches moves toward the region. easterly gales are possible later 
tuesday night into wednesday afternoon over the northern third of 
the lake, where a gale watch is in effect. the warmer airmass over
the chilly lake waters may limit the mixing down of higher gusts 
elsewhere across the lake.

after somewhat lighter winds later wednesday into thursday, winds
will likely increase thursday night into friday night, as another
strong low pressure system around 29.2 inches lifts northeast 
through the region.


lmz080-669-671-673-675-777-779-870-872-874-876-878-171015-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from port washington to north point light wi 5 nm
offshore to mid lake-
lake michigan from north point light to wind point wi 5 nm
offshore to mid lake-
lake michigan from wind point wi to winthrop harbor il 5 nm
offshore to mid lake-
lake michigan from winthrop harbor to wilmette harbor il 5 nm
offshore to mid lake-
lake michigan from wilmette harbor il to michigan city in 5 nm
offshore to mid lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
lake michigan from holland to grand haven mi 5 nm offshore to mid
lake-
lake michigan from south haven to holland mi 5 nm offshore to mid
lake-
lake michigan from st. joseph to south haven mi 5 nm offshore to
mid lake-
858 pm cst mon feb 16 2026

sheboygan wi to pentwater mi south...

.rest of tonight...northwest winds 10 to 15 kt veering to east
5 to 10 kt. chance of sprinkles and slight chance of rain through
early evening, then chance of sprinkles overnight. patchy fog
overnight. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.tuesday...east winds 10 to 15 kt becoming southeast 10 to 20 kt.
patchy fog. chance of sprinkles and slight chance of rain in the
afternoon. waves 3 to 5 ft. 
.tuesday night...southeast winds 15 to 25 kt becoming south.
patchy fog. rain likely in the evening, then rain overnight.
waves 4 to 6 ft occasionally to 8 ft building to 6 to 9 ft
occasionally to 12 ft. 
.wednesday...southwest winds 15 to 25 kt. chance of rain in the
morning. waves 6 to 9 ft occasionally to 12 ft subsiding to 5 to
8 ft occasionally to 10 ft. 
.wednesday night...southwest winds 10 to 20 kt diminishing to
10 to 15 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.thursday...southeast winds 10 to 15 kt becoming east 10 to
20 kt. chance of rain in the afternoon. waves 1 to 3 ft building
to 2 to 4 ft. 
.thursday night...east winds to 30 kt becoming southeast. rain
and snow. waves 5 to 8 ft occasionally to 10 ft building to 8 to
11 ft occasionally to 14 ft. 
.friday...southwest winds to 30 kt becoming west. chance of rain
and snow. waves 8 to 12 ft occasionally to 16 ft subsiding to
8 to 11 ft occasionally to 14 ft. 
.saturday...northwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to
7 ft occasionally to 9 ft.  

$$

fzus63 kmqt 170301
glfls 
expires:202602170900;;759954

open lake forecast for lake superior
national weather service marquette mi
1000 pm est mon feb 16 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...

a 29.8 inch trough will be followed by height rises tonight as a 
ridge builds to 30.2 inches into tomorrow. the ridging then gives 
way to pressure falls into the middle of the week as a 29.1 inch low 
lifts off of the central rockies and into the upper midwest by 
wednesday, weakening to 29.2 inches as it does so. this brings 
troughing of at least 29.6 inches over the lake by wednesday 
afternoon before weak ridging moves over at 29.9 inches on thursday. 
a colorado low then moves through the central plains on thursday 
before lifting towards the straits at 29.5 inches on friday, 
weakening as it moves into ontario friday evening.



lsz162-170900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm est mon feb 16 2026 /900 pm cst mon feb 16 2026/

...storm watch in effect from tuesday afternoon through wednesday
evening...

.rest of tonight...southwest winds 5 to 15 knots backing
northeast late. waves calm to 2 feet. 
.tuesday...east winds 10 to 20 knots increasing to gales to
35 knots. waves building to 6 to 9 feet occasionally to 11 feet. 
.tuesday night...east gales to 45 knots increasing to storm force
winds to 50 knots late. snow likely with pockets of freezing rain
in the evening, then snow after midnight. waves building to 7 to
10 feet occasionally to 13 feet. 
.wednesday...east storm force winds to 50 knots diminishing to
gales to 40 knots in the afternoon. snow in the morning, then
snow likely in the afternoon. waves subsiding to 5 to 8 feet
occasionally to 10 feet, then building to 6 to 9 feet
occasionally to 11 feet. 
.wednesday night...east gales to 40 knots. snow showers likely in
the evening, then a chance of snow showers after midnight. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.thursday...east winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon. a chance of snow showers. waves
subsiding to 3 to 5 feet occasionally to 7 feet. 
.thursday night...northeast winds 20 to 30 knots. a chance of
snow showers. waves subsiding to 2 to 4 feet. 
.friday...northeast winds 20 to 30 knots becoming north 15 to
25 knots. a chance of snow showers. waves 2 to 4 feet. 
.saturday...northwest winds 10 to 20 knots. waves subsiding to
calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 170301
glfls 
expires:202602170900;;759955

open lake forecast for lake superior
national weather service marquette mi
1000 pm est mon feb 16 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...

a 29.8 inch trough will be followed by height rises tonight as a 
ridge builds to 30.2 inches into tomorrow. the ridging then gives 
way to pressure falls into the middle of the week as a 29.1 inch low 
lifts off of the central rockies and into the upper midwest by 
wednesday, weakening to 29.2 inches as it does so. this brings 
troughing of at least 29.6 inches over the lake by wednesday 
afternoon before weak ridging moves over at 29.9 inches on thursday. 
a colorado low then moves through the central plains on thursday 
before lifting towards the straits at 29.5 inches on friday, 
weakening as it moves into ontario friday evening.



lsz263-170900-
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-
1000 pm est mon feb 16 2026

...gale watch in effect from late tuesday night through late
wednesday night...

.rest of tonight...southwest winds 5 to 15 knots diminishing to
less than 10 knots by midnight, then veering north late. patchy
dense fog. waves calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots becoming east 10 to
20 knots by late morning, then increasing to 20 to 30 knots by
mid afternoon. patchy dense fog in the morning. waves building to
2 to 4 feet. 
.tuesday night...east gales to 45 knots. a chance of snow,
possibly mixed with freezing rain in the evening, then snow after
midnight. waves building to 10 to 14 feet occasionally to
18 feet. 
.wednesday...east gales to 45 knots. snow in the morning, then
snow likely in the afternoon. waves building to 12 to 17 feet
occasionally to 21 feet, then subsiding to 10 to 14 feet
occasionally to 18 feet. 
.wednesday night...east gales to 40 knots. a chance of snow
showers. waves subsiding to 8 to 11 feet occasionally to 14 feet.
.thursday...east winds 20 to 30 knots. a chance of snow showers.
waves subsiding to 5 to 8 feet occasionally to 10 feet. 
.thursday night...east winds 20 to 30 knots. waves 5 to 8 feet
occasionally to 10 feet. 
.friday...northeast winds 20 to 30 knots becoming north 15 to
25 knots. a chance of snow showers. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.saturday...north winds 10 to 20 knots becoming northwest 5 to
15 knots. waves subsiding to calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 170301
glfls 
expires:202602170900;;759956

open lake forecast for lake superior
national weather service marquette mi
1000 pm est mon feb 16 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...

a 29.8 inch trough will be followed by height rises tonight as a 
ridge builds to 30.2 inches into tomorrow. the ridging then gives 
way to pressure falls into the middle of the week as a 29.1 inch low 
lifts off of the central rockies and into the upper midwest by 
wednesday, weakening to 29.2 inches as it does so. this brings 
troughing of at least 29.6 inches over the lake by wednesday 
afternoon before weak ridging moves over at 29.9 inches on thursday. 
a colorado low then moves through the central plains on thursday 
before lifting towards the straits at 29.5 inches on friday, 
weakening as it moves into ontario friday evening.



lsz264-170900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm est mon feb 16 2026

...gale watch in effect from late tuesday night through late
wednesday night...

.rest of tonight...west winds 5 to 15 knots veering northwest
late. patchy dense fog. waves calm to 2 feet. 
.tuesday...north winds 5 to 15 knots becoming northeast 10 to
20 knots by late morning, then becoming east 15 to 25 knots by
mid afternoon. patchy dense fog in the morning. waves building to
2 to 4 feet. 
.tuesday night...east winds 20 to 30 knots increasing to gales to
40 knots by midnight. a chance of snow. freezing spray after
midnight. waves building to 10 to 14 feet occasionally to
18 feet. 
.wednesday...east gales to 45 knots. freezing spray. snow. waves
building to 12 to 17 feet occasionally to 21 feet, then subsiding
to 10 to 14 feet occasionally to 18 feet. 
.wednesday night...east gales to 35 knots. freezing spray. a
chance of snow showers. waves subsiding to 9 to 12 feet
occasionally to 15 feet. 
.thursday...east winds 20 to 30 knots. freezing spray in the
morning. a chance of snow showers. waves subsiding to 6 to 9 feet
occasionally to 11 feet. 
.thursday night...east winds 20 to 30 knots. freezing spray after
midnight. waves 6 to 9 feet occasionally to 11 feet. 
.friday...east winds 20 to 30 knots becoming northeast 15 to
25 knots. freezing spray. a chance of snow showers. waves
subsiding to 3 to 5 feet occasionally to 7 feet. 
.saturday...north winds 10 to 20 knots. waves subsiding to 1 to
3 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 170301
glfls 
expires:202602170900;;759957

open lake forecast for lake superior
national weather service marquette mi
1000 pm est mon feb 16 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...

a 29.8 inch trough will be followed by height rises tonight as a 
ridge builds to 30.2 inches into tomorrow. the ridging then gives 
way to pressure falls into the middle of the week as a 29.1 inch low 
lifts off of the central rockies and into the upper midwest by 
wednesday, weakening to 29.2 inches as it does so. this brings 
troughing of at least 29.6 inches over the lake by wednesday 
afternoon before weak ridging moves over at 29.9 inches on thursday. 
a colorado low then moves through the central plains on thursday 
before lifting towards the straits at 29.5 inches on friday, 
weakening as it moves into ontario friday evening.



lsz265-170900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm est mon feb 16 2026

...gale watch in effect from late tuesday night through late
wednesday night...

.rest of tonight...west winds 10 to 20 knots diminishing to 5 to
15 knots by midnight. patchy fog. waves calm to 2 feet. 
.tuesday...north winds 5 to 15 knots becoming east 10 to
20 knots. patchy fog in the morning. waves building to 1 to
3 feet. 
.tuesday night...east winds 20 to 30 knots increasing to gales to
40 knots by midnight. a chance of snow, possibly mixed with
freezing rain in the evening, then snow likely after midnight.
waves building to 10 to 14 feet occasionally to 18 feet. 
.wednesday...east gales to 45 knots. snow. waves building to
11 to 15 feet occasionally to 19 feet, then subsiding to 10 to
14 feet occasionally to 18 feet. 
.wednesday night...east gales to 35 knots diminishing to 20 to
30 knots after midnight. a chance of snow showers. waves
subsiding to 6 to 9 feet occasionally to 11 feet. 
.thursday...east winds 20 to 30 knots. a chance of snow showers.
waves subsiding to 4 to 7 feet occasionally to 9 feet. 
.thursday night...east winds 20 to 30 knots. waves building to
5 to 8 feet occasionally to 10 feet. 
.friday...east gales to 35 knots becoming northeast 20 to
30 knots. a chance of snow showers. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.saturday...north winds 15 to 25 knots backing northwest. waves
subsiding to 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 170301
glfls 
expires:202602170900;;759958

open lake forecast for lake superior
national weather service marquette mi
1000 pm est mon feb 16 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...

a 29.8 inch trough will be followed by height rises tonight as a 
ridge builds to 30.2 inches into tomorrow. the ridging then gives 
way to pressure falls into the middle of the week as a 29.1 inch low 
lifts off of the central rockies and into the upper midwest by 
wednesday, weakening to 29.2 inches as it does so. this brings 
troughing of at least 29.6 inches over the lake by wednesday 
afternoon before weak ridging moves over at 29.9 inches on thursday. 
a colorado low then moves through the central plains on thursday 
before lifting towards the straits at 29.5 inches on friday, 
weakening as it moves into ontario friday evening.



lsz266-170900-
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-
1000 pm est mon feb 16 2026

...gale watch in effect from late tuesday night through late
wednesday night...

.rest of tonight...west winds 5 to 15 knots veering northwest
late. patchy fog. waves calm to 2 feet. 
.tuesday...north winds 5 to 15 knots veering northeast by late
morning, then becoming east 10 to 20 knots by mid afternoon.
patchy fog in the morning. waves building to 1 to 3 feet. 
.tuesday night...east winds 20 to 30 knots increasing to gales to
40 knots by midnight. a slight chance of freezing rain in the
evening. a chance of snow. freezing spray after midnight. waves
building to 10 to 14 feet occasionally to 18 feet. 
.wednesday...east gales to 45 knots. freezing spray in the
morning. snow. waves building to 11 to 15 feet occasionally to
19 feet, then subsiding to 10 to 14 feet occasionally to 18 feet.
.wednesday night...east gales to 35 knots. a chance of snow
showers. freezing spray after midnight. waves subsiding to 8 to
11 feet occasionally to 14 feet. 
.thursday...east winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon. freezing spray in the morning. a
chance of snow showers. waves subsiding to 5 to 8 feet
occasionally to 10 feet. 
.thursday night...east gales to 35 knots. freezing spray after
midnight. waves 5 to 8 feet occasionally to 10 feet. 
.friday...east gales to 35 knots diminishing to 20 to 30 knots.
freezing spray. a chance of snow showers. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.saturday...north winds 20 to 30 knots diminishing to 15 to
25 knots. freezing spray. waves subsiding to 2 to 4 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 170301
glfls 
expires:202602170900;;759959

open lake forecast for lake superior
national weather service marquette mi
1000 pm est mon feb 16 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...

a 29.8 inch trough will be followed by height rises tonight as a 
ridge builds to 30.2 inches into tomorrow. the ridging then gives 
way to pressure falls into the middle of the week as a 29.1 inch low 
lifts off of the central rockies and into the upper midwest by 
wednesday, weakening to 29.2 inches as it does so. this brings 
troughing of at least 29.6 inches over the lake by wednesday 
afternoon before weak ridging moves over at 29.9 inches on thursday. 
a colorado low then moves through the central plains on thursday 
before lifting towards the straits at 29.5 inches on friday, 
weakening as it moves into ontario friday evening.



lsz267-170900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm est mon feb 16 2026

...gale watch in effect from wednesday morning through wednesday
evening...

.rest of tonight...northwest winds 10 to 20 knots diminishing to
5 to 15 knots by midnight, then backing west late. patchy fog.
waves calm to 2 feet. 
.tuesday...northwest winds 5 to 15 knots veering northeast by mid
afternoon. patchy fog in the morning. waves calm to 2 feet. 
.tuesday night...east winds 15 to 25 knots increasing to 30 knots
with a few gale force gusts to 35 knots possible. freezing spray
after midnight. a chance of snow after midnight. waves building
to 5 to 8 feet occasionally to 10 feet. 
.wednesday...east gales to 40 knots. freezing spray in the
morning. snow. waves building to 6 to 9 feet occasionally to
11 feet, then subsiding to 4 to 7 feet occasionally to 9 feet. 
.wednesday night...east winds 20 to 30 knots. a chance of snow
showers. freezing spray after midnight. waves subsiding to 3 to
6 feet occasionally to 8 feet. 
.thursday...east winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon. waves subsiding to 3 to 5 feet
occasionally to 7 feet. 
.thursday night...east winds 20 to 30 knots increasing to gales
to 35 knots after midnight. waves building to 3 to 6 feet
occasionally to 8 feet. 
.friday...east gales to 35 knots diminishing to 15 to 25 knots. a
chance of snow showers. waves subsiding to 2 to 4 feet. 
.saturday...north winds 10 to 20 knots. waves subsiding to 1 to
3 feet, then building to 2 to 4 feet. 

note, wave height forecasts are for ice free areas.

$$