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fzus63 kdtx 140103
glflh 
expires:202404140915;;699445

open lake forecast for lake huron
national weather service detroit/pontiac mi
903 pm edt sat apr 13 2024

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 ridge of high pressure, 30.00 inches, will slide
through the region tonight, allowing a weak low to move through
on sunday. high pressure will then return to start the work week.


lhz361>363-140915-
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-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
903 pm edt sat apr 13 2024

.rest of tonight...south winds 5 to 10 knots becoming east 10 to
15 knots early in the morning. a chance of showers this evening...
then a chance of showers and thunderstorms after midnight. waves
2 to 4 feet subsiding to 1 to 3 feet after midnight. 
.sunday...southeast winds 10 to 15 knots becoming east 5 to
10 knots late in the morning...then backing to the north early in
the afternoon increasing to 10 to 15 knots late in the afternoon.
showers likely and a chance of thunderstorms in the morning.
waves 1 to 3 feet. 
.sunday night...north winds 10 to 15 knots backing to the
northwest in the late evening and overnight. waves 1 to 3 feet. 
.monday...west winds 5 to 10 knots backing to the south early in
the afternoon. waves 1 to 3 feet. 
.monday night...east winds 5 to 10 knots until early morning
becoming light and variable. waves 1 to 3 feet. 
.tuesday...north winds 5 to 10 knots becoming east 10 to 15 knots
late in the morning...then increasing to 15 to 20 knots with
gusts to around 30 knots late in the afternoon. a chance of
showers late in the afternoon. waves 1 to 3 feet building to 4 to
6 feet late in the afternoon. waves occasionally around 8 feet. 
.wednesday...east winds 20 to 25 knots with gusts to 35 knot
gales becoming southeast 15 to 20 knots with gusts to around
30 knots until early morning. showers...then a chance of showers
in the late evening and early morning. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.thursday...west winds 15 to 20 knots with gusts to around
30 knots becoming southwest 10 to 15 knots. a chance of showers.
waves 3 to 5 feet. 


$$
fzus63 kdtx 140103
glflh 
expires:202404140915;;699446

open lake forecast for lake huron
national weather service detroit/pontiac mi
903 pm edt sat apr 13 2024

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 ridge of high pressure, 30.00 inches, will slide
through the region tonight, allowing a weak low to move through
on sunday. high pressure will then return to start the work week.


lhz462>464-140915-
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-
903 pm edt sat apr 13 2024

.rest of tonight...southwest winds 5 to 10 knots becoming
southeast 10 to 15 knots early in the morning. a chance of
showers and thunderstorms after midnight. waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight. 
.sunday...south winds 10 to 15 knots becoming southwest 5 to
10 knots early in the afternoon...then becoming northwest 10 to
15 knots late in the afternoon. a chance of showers and
thunderstorms in the morning. waves 1 to 3 feet. 
.sunday night...north winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and early morning...then backing to
the northwest after midnight. waves 1 to 3 feet. 
.monday...west winds 5 to 10 knots. waves 2 feet or less. 
.monday night...southeast winds 5 to 10 knots backing to the
northeast after midnight. waves 2 feet or less. 
.tuesday...northeast winds 5 to 10 knots becoming east 10 to
15 knots late in the morning...then increasing to 15 to 20 knots
with gusts to around 30 knots late in the evening. a chance of
showers late in the afternoon. showers late in the evening. waves
1 to 3 feet building to 3 to 5 feet late in the afternoon. 
.wednesday...southeast winds 20 to 25 knots with gusts to 35 knot
gales becoming south 15 to 20 knots with gusts to around 30 knots
early in the evening...then veering to the southwest in the late
evening and early morning. showers. a chance of thunderstorms
until early morning. a chance of showers in the late evening and
early morning. waves 4 to 6 feet. 
.thursday...west winds 15 to 20 knots decreasing to 10 to
15 knots. a chance of showers. waves 2 to 4 feet. waves
occasionally around 8 feet. 


$$
fzus63 kmkx 140130
glflm 
expires:202404140915;;700440

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
830 pm cdt sat apr 13 2024

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...
a surface ridge of 29.9 or 30.0 inches over and near lake 
michigan will be common through sunday. winds will shift 
overnight tonight, then mostly prevail from the north on sunday. 
it will be breezy over the lake sunday afternoon, followed by 
light variable winds sunday night into monday. no precipitation is
expected through this time. 

gusty southerly winds are expected to return by tuesday over the 
open waters with gales becoming more likely tuesday into 
wednesday.


lmz261-362-364-563-140915-
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-
830 pm cdt sat apr 13 2024

sturgeon bay wi to point betsie mi north...

.rest of tonight...south winds 10 to 20 kt becoming southeast
15 to 25 kt, then becoming south 10 to 15 kt late. chance of rain
showers and isolated thunderstorms. waves 2 to 4 ft.
.sunday...west winds 5 to 10 kt becoming north 10 to 15 kt. waves
2 to 4 ft. 
.sunday night...north winds 10 to 15 kt backing to west. waves
1 to 3 ft subsiding to 1 ft or less. 
.monday...west winds 10 to 15 kt becoming southwest. waves 1 to
2 ft. 
.monday night...northeast winds 5 to 10 kt becoming east 10 to
15 kt. waves 1 to 2 ft. 
.tuesday...east winds 10 to 20 kt increasing to 30 kt in the
afternoon. chance of rain showers in the afternoon. waves 1 to
3 ft building to 3 to 5 ft. 
.tuesday night...east gales to 35 kt becoming southeast. rain
showers. waves 5 to 8 ft occasionally to 10 ft. 
.wednesday...southeast gales to 35 kt diminishing to 30 kt. rain
showers. waves 5 to 8 ft occasionally to 10 ft. 
.thursday...west winds 15 to 25 kt becoming southwest. chance of
rain showers. waves 3 to 5 ft.  

$$
fzus63 kmkx 140130
glflm 
expires:202404140915;;700439

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
830 pm cdt sat apr 13 2024

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...
a surface ridge of 29.9 or 30.0 inches over and near lake 
michigan will be common through sunday. winds will shift 
overnight tonight, then mostly prevail from the north on sunday. 
it will be breezy over the lake sunday afternoon, followed by 
light variable winds sunday night into monday. no precipitation is
expected through this time. 

gusty southerly winds are expected to return by tuesday over the 
open waters with gales becoming more likely tuesday into 
wednesday.


lmz080-366-565-567-669-671-673-675-777-779-868-870-872-874-876-
878-140915-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
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 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 pentwater to manistee mi 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-
830 pm cdt sat apr 13 2024

sturgeon bay wi to point betsie mi south...

.rest of tonight...south winds 15 to 25 kt becoming southwest to
30 kt. waves 4 to 6 ft occasionally to 8 ft. 
.sunday...west winds 15 to 25 kt diminishing to 10 to 15 kt late 
in the morning, then becoming north 10 to 15 kt in the afternoon. 
waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.sunday night...north winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 3 ft. 
.monday...east winds 5 to 10 kt becoming southeast. waves 1 to
2 ft. 
.monday night...east winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft building to 2 to 4 ft. 
.tuesday...east winds 15 to 25 kt becoming southeast to 30 kt.
chance of rain showers in the morning, then rain showers in the
afternoon. waves 4 to 7 ft occasionally to 9 ft building to 6 to
9 ft occasionally to 12 ft. 
.tuesday night...southeast gales to 35 kt. showers with a chance
of thunderstorms. waves 7 to 10 ft occasionally to 13 ft. 
.wednesday...south gales to 35 kt becoming southwest to 30 kt.
showers. waves 6 to 9 ft occasionally to 12 ft. 
.thursday...west winds 15 to 25 kt. chance of rain showers. waves
4 to 6 ft occasionally to 8 ft.  

$$
fzus63 kmqt 131951
glfls 
expires:202404140400;;687147

open lake forecast for lake superior
national weather service marquette mi
351 pm edt sat apr 13 2024

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 29.9 inch high pressure ridge extending from hudson 
bay southward across the upper great lakes will weaken to 29.8 
inches as it shifts to the lower great lakes tonight. meanwhile, 
broad low pressure of 29.6 inches over the dakotas will track 
east, crossing the upper great lakes early sunday morning and 
reaching the lower great lakes by sunday evening. in its wake, 
30.0 inch high pressure over the prairie provinces will extend 
29.8 inch ridging into the upper mississippi valley during sunday 
afternoon. this ridge will build to 30.1 inches as it shifts 
across the upper great lakes during sunday night and monday. on 
tuesday, the ridge at 30.2 inches will extend from hudson bay to 
the lower great lakes while deep low pressure of 29.1 inches lifts
northeast across the central plains. this low will then weaken to
29.4 inches as it tracks to wisconsin on wednesday, and it will 
weaken further to 29.7 inches as it moves over northern ontario on
thursday. in its wake, a 30.2 inch high pressure ridge will build
southeast across the plains to the mid-mississippi valley during 
thursday and thursday night. 


lsz266-140400-
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-
351 pm edt sat apr 13 2024

.late this afternoon...west winds 5 to 15 knots. isolated rain
showers. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...southeast winds 5 to 15 knots increasing to 10 to
20 knots after midnight, then backing east late. a chance of rain
showers. waves subsiding to calm to 2 feet, then building to 1 to
3 feet. 
.sunday...north winds 10 to 20 knots backing northwest in the
afternoon. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.sunday night...west winds 5 to 15 knots. waves subsiding to calm
to 2 feet. 
.monday...northwest winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...northwest winds 5 to 15 knots veering east after
midnight. waves calm to 2 feet. 
.tuesday...east winds 10 to 20 knots increasing to 20 to 30 knots
by mid afternoon. a chance of rain showers by mid afternoon.
waves building to 3 to 5 feet occasionally to 7 feet. 
.tuesday night...east gales to 40 knots. rain showers. waves
building to 8 to 11 feet occasionally to 14 feet. 
.wednesday...southeast gales to 40 knots becoming west 20 to
30 knots. rain showers. waves subsiding to 3 to 6 feet
occasionally to 8 feet. 
.thursday...west winds 20 to 30 knots. a chance of rain showers.
a chance of snow showers. waves subsiding to 3 to 5 feet
occasionally to 7 feet. 

$$
fzus63 kmqt 131951
glfls 
expires:202404140400;;687143

open lake forecast for lake superior
national weather service marquette mi
351 pm edt sat apr 13 2024

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 29.9 inch high pressure ridge extending from hudson 
bay southward across the upper great lakes will weaken to 29.8 
inches as it shifts to the lower great lakes tonight. meanwhile, 
broad low pressure of 29.6 inches over the dakotas will track 
east, crossing the upper great lakes early sunday morning and 
reaching the lower great lakes by sunday evening. in its wake, 
30.0 inch high pressure over the prairie provinces will extend 
29.8 inch ridging into the upper mississippi valley during sunday 
afternoon. this ridge will build to 30.1 inches as it shifts 
across the upper great lakes during sunday night and monday. on 
tuesday, the ridge at 30.2 inches will extend from hudson bay to 
the lower great lakes while deep low pressure of 29.1 inches lifts
northeast across the central plains. this low will then weaken to
29.4 inches as it tracks to wisconsin on wednesday, and it will 
weaken further to 29.7 inches as it moves over northern ontario on
thursday. in its wake, a 30.2 inch high pressure ridge will build
southeast across the plains to the mid-mississippi valley during 
thursday and thursday night. 


lsz162-140400-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
351 pm edt sat apr 13 2024 /251 pm cdt sat apr 13 2024/

.late this afternoon...northeast winds 10 to 20 knots. isolated
rain showers. waves 2 to 4 feet. 
.tonight...northeast winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. a slight chance of rain showers through
midnight. waves subsiding to 1 to 3 feet, then building to 2 to
4 feet. 
.sunday...west winds 5 to 15 knots becoming southwest 10 to
20 knots in the afternoon, then becoming south 5 to 15 knots
late. waves calm to 2 feet. 
.sunday night...west winds 5 to 15 knots veering northwest late.
waves calm to 2 feet. 
.monday...west winds 5 to 15 knots becoming south 10 to 20 knots
by mid afternoon. a slight chance of rain showers by mid
afternoon. waves calm to 2 feet. 
.monday night...east winds 10 to 20 knots increasing to 15 to
25 knots after midnight. a chance of rain showers. waves building
to 4 to 7 feet occasionally to 9 feet. 
.tuesday...east gales to 40 knots. a chance of rain showers
through early afternoon, then rain showers likely by mid
afternoon. waves building to 9 to 12 feet occasionally to
15 feet. 
.tuesday night...east gales to 40 knots becoming northeast 20 to
30 knots after midnight. rain showers. waves building to 10 to
14 feet occasionally to 18 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 
.wednesday...northeast winds 20 to 30 knots backing west. rain
showers, then a chance of rain showers. waves subsiding to 2 to
4 feet. 
.thursday...west winds 20 to 30 knots diminishing to 15 to
25 knots. a chance of rain showers, possibly mixed with snow.
waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 2 to 4 feet. 

$$
fzus63 kmqt 131951
glfls 
expires:202404140400;;687148

open lake forecast for lake superior
national weather service marquette mi
351 pm edt sat apr 13 2024

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 29.9 inch high pressure ridge extending from hudson 
bay southward across the upper great lakes will weaken to 29.8 
inches as it shifts to the lower great lakes tonight. meanwhile, 
broad low pressure of 29.6 inches over the dakotas will track 
east, crossing the upper great lakes early sunday morning and 
reaching the lower great lakes by sunday evening. in its wake, 
30.0 inch high pressure over the prairie provinces will extend 
29.8 inch ridging into the upper mississippi valley during sunday 
afternoon. this ridge will build to 30.1 inches as it shifts 
across the upper great lakes during sunday night and monday. on 
tuesday, the ridge at 30.2 inches will extend from hudson bay to 
the lower great lakes while deep low pressure of 29.1 inches lifts
northeast across the central plains. this low will then weaken to
29.4 inches as it tracks to wisconsin on wednesday, and it will 
weaken further to 29.7 inches as it moves over northern ontario on
thursday. in its wake, a 30.2 inch high pressure ridge will build
southeast across the plains to the mid-mississippi valley during 
thursday and thursday night. 


lsz267-140400-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
351 pm edt sat apr 13 2024

.late this afternoon...west winds 5 to 15 knots. isolated rain
showers. waves 3 to 5 feet occasionally to 7 feet subsiding to
2 to 4 feet. 
.tonight...south winds 5 to 15 knots backing southeast after
midnight, then increasing to 10 to 20 knots late. rain showers
likely. waves subsiding to calm to 2 feet, then building to 1 to
3 feet. 
.sunday...northeast winds 5 to 15 knots becoming north 10 to
20 knots in the afternoon, then backing northwest late. waves
subsiding to calm to 2 feet, then building to 1 to 3 feet. 
.sunday night...west winds 10 to 20 knots. waves subsiding to
calm to 2 feet. 
.monday...west winds 10 to 20 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.monday night...northwest winds 10 to 20 knots becoming east 5 to
15 knots after midnight. waves calm to 2 feet. 
.tuesday...east winds 10 to 20 knots. waves building to 2 to
4 feet. 
.tuesday night...east winds 20 to 30 knots increasing to gales to
35 knots after midnight. a chance of rain showers through
midnight, then rain showers after midnight. waves building to
5 to 8 feet occasionally to 10 feet. 
.wednesday...southeast gales to 35 knots becoming west 20 to
30 knots. rain showers, then a chance of rain showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.thursday...west winds 20 to 30 knots diminishing to 15 to
25 knots. a chance of rain showers. a chance of snow showers.
waves subsiding to 2 to 4 feet. 

$$
fzus63 kmqt 131951
glfls 
expires:202404140400;;687144

open lake forecast for lake superior
national weather service marquette mi
351 pm edt sat apr 13 2024

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 29.9 inch high pressure ridge extending from hudson 
bay southward across the upper great lakes will weaken to 29.8 
inches as it shifts to the lower great lakes tonight. meanwhile, 
broad low pressure of 29.6 inches over the dakotas will track 
east, crossing the upper great lakes early sunday morning and 
reaching the lower great lakes by sunday evening. in its wake, 
30.0 inch high pressure over the prairie provinces will extend 
29.8 inch ridging into the upper mississippi valley during sunday 
afternoon. this ridge will build to 30.1 inches as it shifts 
across the upper great lakes during sunday night and monday. on 
tuesday, the ridge at 30.2 inches will extend from hudson bay to 
the lower great lakes while deep low pressure of 29.1 inches lifts
northeast across the central plains. this low will then weaken to
29.4 inches as it tracks to wisconsin on wednesday, and it will 
weaken further to 29.7 inches as it moves over northern ontario on
thursday. in its wake, a 30.2 inch high pressure ridge will build
southeast across the plains to the mid-mississippi valley during 
thursday and thursday night. 


lsz263-140400-
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-
351 pm edt sat apr 13 2024

.late this afternoon...east winds 5 to 15 knots. isolated rain
showers. waves calm to 2 feet building to 1 to 3 feet. 
.tonight...east winds 10 to 20 knots becoming northeast 5 to
15 knots after midnight. a chance of rain showers through
midnight. waves building to 2 to 4 feet, then subsiding to calm
to 2 feet. 
.sunday...north winds 5 to 15 knots backing west in the
afternoon, then backing southwest late. waves calm to 2 feet. 
.sunday night...west winds 5 to 15 knots. waves calm to 2 feet. 
.monday...west winds 5 to 15 knots backing south by mid
afternoon. waves calm to 2 feet. 
.monday night...east winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 1 to 3 feet. 
.tuesday...east winds 20 to 30 knots increasing to gales to
35 knots by mid afternoon. a chance of rain showers. waves
building to 6 to 9 feet occasionally to 11 feet. 
.tuesday night...east gales to 35 knots. rain showers. waves
building to 9 to 12 feet occasionally to 15 feet. 
.wednesday...east gales to 35 knots becoming west 15 to 25 knots.
rain showers, then a chance of rain showers. waves subsiding to
3 to 5 feet occasionally to 7 feet. 
.thursday...west winds 15 to 25 knots. a chance of rain showers,
possibly mixed with snow. waves subsiding to 2 to 4 feet. 

$$
fzus63 kmqt 131951
glfls 
expires:202404140400;;687145

open lake forecast for lake superior
national weather service marquette mi
351 pm edt sat apr 13 2024

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 29.9 inch high pressure ridge extending from hudson 
bay southward across the upper great lakes will weaken to 29.8 
inches as it shifts to the lower great lakes tonight. meanwhile, 
broad low pressure of 29.6 inches over the dakotas will track 
east, crossing the upper great lakes early sunday morning and 
reaching the lower great lakes by sunday evening. in its wake, 
30.0 inch high pressure over the prairie provinces will extend 
29.8 inch ridging into the upper mississippi valley during sunday 
afternoon. this ridge will build to 30.1 inches as it shifts 
across the upper great lakes during sunday night and monday. on 
tuesday, the ridge at 30.2 inches will extend from hudson bay to 
the lower great lakes while deep low pressure of 29.1 inches lifts
northeast across the central plains. this low will then weaken to
29.4 inches as it tracks to wisconsin on wednesday, and it will 
weaken further to 29.7 inches as it moves over northern ontario on
thursday. in its wake, a 30.2 inch high pressure ridge will build
southeast across the plains to the mid-mississippi valley during 
thursday and thursday night. 


lsz264-140400-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
351 pm edt sat apr 13 2024

.late this afternoon...southwest winds 5 to 15 knots. isolated
rain showers. waves calm to 2 feet. 
.tonight...southeast winds 5 to 15 knots backing east after
midnight. a chance of rain showers through midnight. waves
building to 1 to 3 feet. 
.sunday...north winds 5 to 15 knots backing west late. waves
subsiding to calm to 2 feet. 
.sunday night...west winds 5 to 15 knots. waves calm to 2 feet. 
.monday...west winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...east winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday...east winds 15 to 25 knots increasing to 20 to 30 knots
by mid afternoon. a chance of rain showers. waves building to
5 to 8 feet occasionally to 10 feet. 
.tuesday night...east gales to 40 knots. rain showers. waves
building to 9 to 12 feet occasionally to 15 feet. 
.wednesday...east gales to 40 knots becoming west 15 to 25 knots.
rain showers. waves subsiding to 3 to 5 feet occasionally to
7 feet. 
.thursday...west winds 15 to 25 knots. a chance of rain showers.
a chance of snow showers. waves subsiding to 2 to 4 feet, then
building to 3 to 5 feet occasionally to 7 feet. 

$$
fzus63 kmqt 131951
glfls 
expires:202404140400;;687146

open lake forecast for lake superior
national weather service marquette mi
351 pm edt sat apr 13 2024

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 29.9 inch high pressure ridge extending from hudson 
bay southward across the upper great lakes will weaken to 29.8 
inches as it shifts to the lower great lakes tonight. meanwhile, 
broad low pressure of 29.6 inches over the dakotas will track 
east, crossing the upper great lakes early sunday morning and 
reaching the lower great lakes by sunday evening. in its wake, 
30.0 inch high pressure over the prairie provinces will extend 
29.8 inch ridging into the upper mississippi valley during sunday 
afternoon. this ridge will build to 30.1 inches as it shifts 
across the upper great lakes during sunday night and monday. on 
tuesday, the ridge at 30.2 inches will extend from hudson bay to 
the lower great lakes while deep low pressure of 29.1 inches lifts
northeast across the central plains. this low will then weaken to
29.4 inches as it tracks to wisconsin on wednesday, and it will 
weaken further to 29.7 inches as it moves over northern ontario on
thursday. in its wake, a 30.2 inch high pressure ridge will build
southeast across the plains to the mid-mississippi valley during 
thursday and thursday night. 


lsz265-140400-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
351 pm edt sat apr 13 2024

.late this afternoon...east winds 5 to 15 knots. isolated rain
showers. waves calm to 2 feet. 
.tonight...southeast winds 10 to 20 knots backing east after
midnight, then diminishing to 5 to 15 knots late. a chance of
rain showers. waves building to 1 to 3 feet, then subsiding to
calm to 2 feet. 
.sunday...northwest winds 10 to 20 knots backing west late. waves
building to 1 to 3 feet, then subsiding to calm to 2 feet. 
.sunday night...west winds 5 to 15 knots. waves calm to 2 feet. 
.monday...west winds 10 to 20 knots becoming north 5 to 15 knots
by mid afternoon. waves calm to 2 feet. 
.monday night...east winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday...east winds 10 to 20 knots increasing to 20 to 30 knots
by mid afternoon. a chance of rain showers by mid afternoon.
waves building to 3 to 6 feet occasionally to 8 feet. 
.tuesday night...east winds 20 to 30 knots increasing to gales to
35 knots after midnight. rain showers. waves building to 7 to
10 feet occasionally to 13 feet. 
.wednesday...southeast gales to 35 knots veering west. rain
showers. waves subsiding to 2 to 4 feet. 
.thursday...west winds 20 to 30 knots diminishing to 15 to
25 knots. a chance of rain showers. a chance of snow showers.
waves subsiding to 1 to 3 feet. 

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