fzus61 kbuf 280802
glflo 
expires:202606281500;;040103

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt sun jun 28 2026

for waters beyond five nautical miles of shore on lake ontario

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 30.1 inch high draped across ontario and quebec will 
drift east to new england by monday, then offshore by tuesday. 
another broad 30.1 inch high will then build into the ohio valley 
and mid atlantic by wednesday, where it will remain through at least 
thursday.


loz062-281500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt sun jun 28 2026

.today...east winds 10 knots or less. waves 1 foot or less. 
.tonight...northeast winds 10 knots or less becoming east. waves
1 foot or less. 
.monday...east winds 10 knots or less. waves 1 foot or less. 
.monday night...east winds 10 knots or less becoming southeast. a
chance of showers and thunderstorms overnight. waves 1 foot or
less. 
.tuesday...south winds 5 to 15 knots becoming southwest. a chance
of showers and thunderstorms during the day. waves 1 foot or less
building to 1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.thursday...southwest winds 5 to 15 knots. a chance of showers
thursday night. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 280802
glflo 
expires:202606281500;;040104

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt sun jun 28 2026

for waters beyond five nautical miles of shore on lake ontario

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 30.1 inch high draped across ontario and quebec will 
drift east to new england by monday, then offshore by tuesday. 
another broad 30.1 inch high will then build into the ohio valley 
and mid atlantic by wednesday, where it will remain through at least 
thursday.


loz063>065-281500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt sun jun 28 2026

.today...light and variable winds becoming north 5 to 10 knots.
waves 1 foot or less. 
.tonight...north winds 5 to 10 knots becoming light and variable.
waves 1 foot or less. 
.monday...light and variable winds. waves 1 foot or less. 
.monday night...east winds 10 knots or less becoming south. a
chance of showers overnight. waves 1 foot or less. 
.tuesday...south winds 5 to 15 knots becoming southwest. a chance
of showers and thunderstorms during the day, then a chance of
showers tuesday night. waves 2 feet or less. 
.wednesday...southwest winds 5 to 15 knots becoming west. waves
1 to 3 feet. 
.thursday...west winds 5 to 15 knots. a chance of showers
thursday night. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 280749
glfle 
expires:202606281430;;039642

open lake forecast for lake erie
national weather service cleveland oh
349 am edt sun jun 28 2026

for waters beyond five nautical miles of shore on lake erie

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 30.10 will settle over the eastern great lakes
today. this feature will push east on monday allowing for a warm
front to cross the lake. a ridge averaging 30.00 inches will build
from the south on tuesday and remain in place through thursday.


lez162>164-281430-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
349 am edt sun jun 28 2026

.today...northeast winds 5 to 10 knots becoming east. waves
2 feet or less. 
.tonight...east winds 10 knots or less. waves 2 feet or less. 
.monday...southeast winds 10 knots or less becoming east. waves
1 foot or less. 
.monday night...southeast winds 5 to 10 knots becoming southwest.
waves 1 foot or less. 
.tuesday...southwest winds 10 to 15 knots. waves 1 to 2 feet. 
.wednesday...southwest winds 5 to 10 knots. waves 1 foot or less.
.thursday...southwest winds 5 to 10 knots becoming west. waves
1 foot or less. 

$$

fzus61 kcle 280749
glfle 
expires:202606281430;;039643

open lake forecast for lake erie
national weather service cleveland oh
349 am edt sun jun 28 2026

for waters beyond five nautical miles of shore on lake erie

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 30.10 will settle over the eastern great lakes
today. this feature will push east on monday allowing for a warm
front to cross the lake. a ridge averaging 30.00 inches will build
from the south on tuesday and remain in place through thursday.


lez165>168-281430-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
349 am edt sun jun 28 2026

.today...east winds 5 to 15 knots becoming northeast. waves 1 to
2 feet. 
.tonight...northeast winds 5 to 15 knots becoming east. waves
1 to 2 feet. 
.monday...east winds 10 knots or less. waves 1 foot or less. 
.monday night...east winds 5 to 15 knots becoming south. waves
2 feet or less. 
.tuesday...southwest winds 5 to 15 knots. waves 1 to 3 feet. 
.wednesday...southwest winds 5 to 15 knots. waves 1 to 3 feet. 
.thursday...southwest winds 5 to 10 knots. waves 1 foot or less. 

$$

fzus61 kcle 280749
glfle 
expires:202606281430;;039644

open lake forecast for lake erie
national weather service cleveland oh
349 am edt sun jun 28 2026

for waters beyond five nautical miles of shore on lake erie

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 30.10 will settle over the eastern great lakes
today. this feature will push east on monday allowing for a warm
front to cross the lake. a ridge averaging 30.00 inches will build
from the south on tuesday and remain in place through thursday.


lez061-169-281430-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
349 am edt sun jun 28 2026

.today...northeast winds 5 to 10 knots. waves 1 foot or less. 
.tonight...northeast winds 10 knots or less becoming east. waves
1 foot or less. 
.monday...east winds less than 10 knots becoming northeast. waves
1 foot or less. 
.monday night...east winds 5 to 10 knots becoming south. waves
1 foot or less. 
.tuesday...southwest winds 5 to 10 knots. waves 1 to 2 feet. 
.wednesday...southwest winds 5 to 15 knots. waves 1 to 2 feet. 
.thursday...southwest winds 5 to 10 knots. waves 2 feet or less. 

$$

fzus63 kdtx 280707
glflh 
expires:202606281515;;038120

open lake forecast for lake huron
national weather service detroit/pontiac mi
307 am edt sun jun 28 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...area of high pressure, 30.10 inches, has built across
the region and will persist through the weekend. strong low
pressure, 29.40 inches, over the northern plains, will pull a
warm front up through the region on monday.


lhz361-281515-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
307 am edt sun jun 28 2026

.today...light and variable winds becoming east 5 to 10 knots in
the afternoon. waves 2 feet or less. 
.tonight...southeast winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight. 
.monday...southeast winds 10 to 15 knots becoming east 15 to
20 knots early in the afternoon. a chance of showers in the
afternoon. waves 1 to 3 feet building to 3 to 5 feet in the late
morning and afternoon. 
.monday night...east winds 15 to 20 knots becoming southeast
10 to 15 knots in the late evening and overnight. a chance of
showers. waves 3 to 5 feet. 
.tuesday...south winds 10 to 15 knots decreasing to 5 to 10 knots
late in the morning...then backing to the east late in the
afternoon becoming southwest 10 to 15 knots late in the evening.
a chance of showers...then a chance of showers and thunderstorms
late in the evening. waves 2 to 4 feet subsiding to 1 to 3 feet
late in the morning...then building to 2 to 4 feet late in the
evening. 
.wednesday...west winds 10 to 15 knots decreasing to 5 to
10 knots by midnight. a chance of showers and thunderstorms early
in the morning. a chance of showers by midnight. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.thursday...west winds 5 to 10 knots. a chance of showers until
afternoon. waves 2 feet or less. 


$$

fzus63 kdtx 280707
glfsc 
expires:202606281515;;038118

lake st clair forecast
national weather service detroit/pontiac mi
307 am edt sun jun 28 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...area of high pressure, 30.10 inches, has built across
the region and will persist through the weekend. strong low
pressure, 29.40 inches, over the northern plains, will pull a
warm front up through the region on monday.


lcz460-281515-
lake st clair-
307 am edt sun jun 28 2026

.today...east winds 5 to 10 knots. partly sunny in the morning then
clearing. waves 2 feet or less.
.tonight...east winds 5 to 10 knots. mostly clear. waves 2 feet or
less.
.monday...southeast winds 5 to 10 knots becoming south 10 to 15
knots early in the afternoon. mostly sunny until late afternoon
becoming mostly cloudy. waves 2 feet or less.
.monday night...south winds 10 to 15 knots becoming southwest 5 to
10 knots after midnight. mostly clear. waves 2 feet or less.
.tuesday...southwest winds 10 to 15 knots. sunny becoming mostly
sunny in the afternoon becoming clear. waves 2 feet or less.
.wednesday...southwest winds 10 to 15 knots. clear. waves 2 feet or
less.
.thursday...west winds 10 to 15 knots. mostly clear. waves 2 feet or
less.

$$

fzus63 kdtx 280707
glflh 
expires:202606281515;;038122

open lake forecast for lake huron
national weather service detroit/pontiac mi
307 am edt sun jun 28 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...area of high pressure, 30.10 inches, has built across
the region and will persist through the weekend. strong low
pressure, 29.40 inches, over the northern plains, will pull a
warm front up through the region on monday.


lhz462>464-281515-
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-
307 am edt sun jun 28 2026

.today...light and variable winds becoming north 5 to 10 knots.
waves 2 feet or less. 
.tonight...northeast winds 5 to 10 knots veering to the southeast
after midnight. waves 2 feet or less. 
.monday...southeast winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. waves 1 to 3 feet. 
.monday night...southeast winds 10 to 15 knots. waves 2 to
4 feet. 
.tuesday...south winds 10 to 15 knots. waves 2 to 4 feet. 
.wednesday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then
increasing to 10 to 15 knots early in the evening decreasing to
5 to 10 knots by midnight. waves 1 to 3 feet. 
.thursday...southwest winds 5 to 10 knots. a chance of showers .
waves 2 feet or less. 


$$

fzus63 kdtx 280707
glflh 
expires:202606281515;;038121

open lake forecast for lake huron
national weather service detroit/pontiac mi
307 am edt sun jun 28 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...area of high pressure, 30.10 inches, has built across
the region and will persist through the weekend. strong low
pressure, 29.40 inches, over the northern plains, will pull a
warm front up through the region on monday.


lhz362-363-281515-
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-
307 am edt sun jun 28 2026

.today...light and variable winds. waves 2 feet or less. 
.tonight...light and variable winds becoming northeast 5 to
10 knots late in the evening...then veering to the southeast
after midnight. waves 2 feet or less. 
.monday...southeast winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and afternoon. waves 1 to 3 feet
building to 2 to 4 feet in the late morning and afternoon. 
.monday night...southeast winds 15 to 20 knots becoming south
10 to 15 knots after midnight. a chance of showers after
midnight. waves 3 to 5 feet. 
.tuesday...south winds 10 to 15 knots. a chance of showers. waves
3 to 5 feet. 
.wednesday...southwest winds 10 to 15 knots becoming south 5 to
10 knots early in the evening...then veering to the southwest by
midnight. waves 2 to 4 feet subsiding to 1 to 3 feet by midnight.
.thursday...southwest winds 5 to 10 knots backing to the
southeast early in the evening...then becoming light and variable
by midnight. a chance of showers . waves 2 feet or less. 


$$

fzus63 kmkx 280807
glflm 
expires:202606281515;;040554

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
307 am cdt sun jun 28 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...

low pressure around 29.5 inches in the northern high plains is
expected to deepen to 29.3 inches over the northern great plains 
by this evening, bringing increasing easterly winds this morning,
then southeasterly winds by this evening. winds will shift 
southerly and continue to increase into monday as the low lifts 
into the canadian prairies and a warm front moves northward
through open waters. low pressure will lift into northern
ontario early wednesday, bringing gusty southwesterly winds. 
winds will gradually diminish into thursday, but will remain 
southwesterly as additional low pressure begins to develop in the
northern great plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-281515-
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-
307 am cdt sun jun 28 2026

sheboygan wi to pentwater mi south...

.today...east winds 10 to 15 kt. waves 1 to 3 ft. 
.tonight...southeast winds 10 to 20 kt increasing to 15 to 25 kt.
slight chance of showers and thunderstorms overnight. waves 2 to
4 ft building to 4 to 6 ft occasionally to 8 ft.
.monday...southeast winds 15 to 25 kt becoming south to 30 kt.
waves 4 to 6 ft occasionally to 8 ft. 
.monday night...south winds to 30 kt diminishing to 15 to 25 kt.
waves 4 to 7 ft occasionally to 9 ft. 
.tuesday...south winds 15 to 25 kt increasing to 30 kt. waves
4 to 6 ft occasionally to 8 ft building to 4 to 7 ft occasionally
to 9 ft. 
.tuesday night...southwest winds to 30 kt diminishing to 10 to
20 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to
6 ft occasionally to 8 ft. 
.wednesday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. waves 3 to 5 ft. 
.thursday...southwest winds 10 to 20 kt becoming south. waves
2 to 4 ft.  

$$

fzus63 kmkx 280807
glflm 
expires:202606281515;;040553

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
307 am cdt sun jun 28 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...

low pressure around 29.5 inches in the northern high plains is
expected to deepen to 29.3 inches over the northern great plains 
by this evening, bringing increasing easterly winds this morning,
then southeasterly winds by this evening. winds will shift 
southerly and continue to increase into monday as the low lifts 
into the canadian prairies and a warm front moves northward
through open waters. low pressure will lift into northern
ontario early wednesday, bringing gusty southwesterly winds. 
winds will gradually diminish into thursday, but will remain 
southwesterly as additional low pressure begins to develop in the
northern great plains.


lmz261-362-364-366-563-565-567-868-281515-
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 point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
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-
307 am cdt sun jun 28 2026

sheboygan wi to pentwater mi north...

.today...east winds 10 to 15 kt increasing to 10 to 20 kt. waves
1 to 2 ft. 
.tonight...east winds 10 to 20 kt becoming southeast 15 to 25 kt.
slight chance of showers and thunderstorms in the evening, then
chance of showers and thunderstorms overnight. waves 2 to 4 ft
building to 3 to 5 ft. 
.monday...southeast winds 15 to 25 kt becoming south to 30 kt.
chance of showers in the morning. waves 4 to 7 ft occasionally to
9 ft. 
.monday night...south winds to 30 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.tuesday...south winds to 30 kt. waves 4 to 6 ft occasionally to
8 ft building to 4 to 7 ft occasionally to 9 ft. 
.tuesday night...south winds to 30 kt becoming southwest. chance
of showers and thunderstorms. waves 4 to 7 ft occasionally to
9 ft subsiding to 4 to 6 ft occasionally to 8 ft. 
.wednesday...southwest winds 15 to 25 kt becoming south. waves
3 to 5 ft. 
.thursday...southwest winds 10 to 20 kt increasing to 15 to
25 kt. waves 2 to 4 ft.  

$$

fzus63 kmqt 280801
glfls 
expires:202606282000;;040005

open lake forecast for lake superior
national weather service marquette mi
400 am edt sun jun 28 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... 

through this afternoon, a 29.4 low will wrap to the northeast then 
northwest to southern saskatchewan, deepening to 20.3 inches while a 
30.1 inch high remains stationary and holds strength over the hudson 
bay. by tomorrow morning, the high will shift southeast to the east 
of lake erie as the saskatchewan low regresses southwest at 29.5 
inches to montana while another low at 29.4 inches moves from 
colorado to the northern plains. the 2nd low moves to southern 
manitoba tomorrow night as high pressure shifts off the east coast, 
still at 30.1 inches. tuesday, the low shifts north to lake winnipeg 
and deepens to 29.2 inches. the low then weakens to 29.4 inches as 
it crosses northern ontario by midday wednesday. as the low shifts 
east through thursday, weak high pressure around 30.0 inches expands 
over much of the eastern conus.




lsz162-282000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt sun jun 28 2026 /300 am cdt sun jun 28 2026/

.early this morning...east winds 10 to 20 knots. waves calm to
2 feet. 
.today...east winds 10 to 20 knots increasing to 15 to 25 knots
in the afternoon. a slight chance of showers and thunderstorms by
mid afternoon. waves building to 2 to 4 feet. 
.tonight...east winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. showers likely through midnight. a
chance of thunderstorms. a chance of showers after midnight.
waves subsiding to 1 to 3 feet. 
.monday...northeast winds 10 to 20 knots increasing to 15 to
25 knots late. a chance of showers. a chance of thunderstorms by
mid afternoon. waves subsiding to calm to 2 feet, then building
to 2 to 4 feet. 
.monday night...northeast winds 15 to 25 knots becoming east 5 to
15 knots after midnight. showers likely through midnight. a
chance of thunderstorms. a chance of showers after midnight.
waves subsiding to 1 to 3 feet. 
.tuesday...southwest winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.tuesday night...southwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. a chance of showers. waves calm to
2 feet. 
.wednesday...southwest winds 10 to 20 knots diminishing to 5 to
15 knots. a chance of showers. waves building to 1 to 3 feet,
then subsiding to calm to 2 feet. 
.thursday...east winds 5 to 15 knots backing northeast. a chance
of showers and thunderstorms. waves calm to 2 feet. 

$$

fzus63 kmqt 280801
glfls 
expires:202606282000;;040006

open lake forecast for lake superior
national weather service marquette mi
400 am edt sun jun 28 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... 

through this afternoon, a 29.4 low will wrap to the northeast then 
northwest to southern saskatchewan, deepening to 20.3 inches while a 
30.1 inch high remains stationary and holds strength over the hudson 
bay. by tomorrow morning, the high will shift southeast to the east 
of lake erie as the saskatchewan low regresses southwest at 29.5 
inches to montana while another low at 29.4 inches moves from 
colorado to the northern plains. the 2nd low moves to southern 
manitoba tomorrow night as high pressure shifts off the east coast, 
still at 30.1 inches. tuesday, the low shifts north to lake winnipeg 
and deepens to 29.2 inches. the low then weakens to 29.4 inches as 
it crosses northern ontario by midday wednesday. as the low shifts 
east through thursday, weak high pressure around 30.0 inches expands 
over much of the eastern conus.




lsz263-282000-
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 edt sun jun 28 2026

.early this morning...east winds 5 to 15 knots. waves calm to
2 feet. 
.today...east winds 5 to 15 knots increasing to 10 to 20 knots in
the afternoon. waves building to 2 to 4 feet. 
.tonight...east winds 15 to 25 knots becoming southeast 10 to
20 knots after midnight, then becoming east 5 to 15 knots late. a
chance of showers and thunderstorms. waves subsiding to 1 to
3 feet. 
.monday...east winds 5 to 15 knots increasing to 15 to 25 knots
late. a chance of showers. a slight chance of thunderstorms by
mid afternoon. waves building to 2 to 4 feet. 
.monday night...east winds 15 to 25 knots becoming south 10 to
20 knots after midnight. showers likely and a chance of
thunderstorms. waves building to 3 to 5 feet occasionally to
7 feet, then subsiding to 2 to 4 feet. 
.tuesday...southwest winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.tuesday night...southwest winds 10 to 20 knots. a chance of
showers. waves building to 1 to 3 feet. 
.wednesday...southwest winds 10 to 20 knots. a chance of showers.
waves building to 2 to 4 feet, then subsiding to calm to 2 feet. 
.thursday...east winds 5 to 15 knots backing northeast. a chance
of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 280801
glfls 
expires:202606282000;;040007

open lake forecast for lake superior
national weather service marquette mi
400 am edt sun jun 28 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... 

through this afternoon, a 29.4 low will wrap to the northeast then 
northwest to southern saskatchewan, deepening to 20.3 inches while a 
30.1 inch high remains stationary and holds strength over the hudson 
bay. by tomorrow morning, the high will shift southeast to the east 
of lake erie as the saskatchewan low regresses southwest at 29.5 
inches to montana while another low at 29.4 inches moves from 
colorado to the northern plains. the 2nd low moves to southern 
manitoba tomorrow night as high pressure shifts off the east coast, 
still at 30.1 inches. tuesday, the low shifts north to lake winnipeg 
and deepens to 29.2 inches. the low then weakens to 29.4 inches as 
it crosses northern ontario by midday wednesday. as the low shifts 
east through thursday, weak high pressure around 30.0 inches expands 
over much of the eastern conus.




lsz264-282000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am edt sun jun 28 2026

.early this morning...east winds 5 to 15 knots. waves calm to
2 feet. 
.today...east winds 5 to 15 knots increasing to 10 to 20 knots in
the afternoon. waves building to 1 to 3 feet. 
.tonight...southeast winds 10 to 20 knots. a chance of showers
through midnight. a chance of thunderstorms. showers likely after
midnight. waves building to 2 to 4 feet. 
.monday...southeast winds 10 to 20 knots backing east late. a
chance of showers and a slight chance of thunderstorms. waves
building to 3 to 5 feet occasionally to 7 feet. 
.monday night...southeast winds 10 to 20 knots veering south
after midnight. showers and a chance of thunderstorms. waves 3 to
5 feet occasionally to 7 feet. 
.tuesday...southwest winds 5 to 15 knots backing south by mid
afternoon. waves subsiding to calm to 2 feet. 
.tuesday night...south winds 10 to 20 knots veering southwest
after midnight. a chance of showers. waves building to 1 to
3 feet. 
.wednesday...southwest winds 10 to 20 knots diminishing to 5 to
15 knots. a chance of showers. waves building to 2 to 4 feet,
then subsiding to calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots backing south. a chance
of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 280801
glfls 
expires:202606282000;;040008

open lake forecast for lake superior
national weather service marquette mi
400 am edt sun jun 28 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... 

through this afternoon, a 29.4 low will wrap to the northeast then 
northwest to southern saskatchewan, deepening to 20.3 inches while a 
30.1 inch high remains stationary and holds strength over the hudson 
bay. by tomorrow morning, the high will shift southeast to the east 
of lake erie as the saskatchewan low regresses southwest at 29.5 
inches to montana while another low at 29.4 inches moves from 
colorado to the northern plains. the 2nd low moves to southern 
manitoba tomorrow night as high pressure shifts off the east coast, 
still at 30.1 inches. tuesday, the low shifts north to lake winnipeg 
and deepens to 29.2 inches. the low then weakens to 29.4 inches as 
it crosses northern ontario by midday wednesday. as the low shifts 
east through thursday, weak high pressure around 30.0 inches expands 
over much of the eastern conus.




lsz265-282000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am edt sun jun 28 2026

.early this morning...southeast winds 5 to 15 knots. waves calm
to 2 feet. 
.today...east winds 10 to 20 knots increasing to 20 to 30 knots.
waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 2 to 4 feet. 
.tonight...southeast winds 15 to 25 knots. a slight chance of
showers through midnight. a chance of thunderstorms. showers
after midnight. waves subsiding to 1 to 3 feet, then building to
2 to 4 feet. 
.monday...southeast winds 15 to 25 knots. a chance of showers and
a slight chance of thunderstorms through early afternoon. waves
building to 3 to 5 feet occasionally to 7 feet. 
.monday night...southeast winds 20 to 30 knots becoming south
15 to 25 knots after midnight. a chance of showers through
midnight. a slight chance of thunderstorms. showers likely after
midnight. waves subsiding to 1 to 3 feet. 
.tuesday...south winds 10 to 20 knots backing southeast by mid
afternoon. a chance of showers by mid afternoon. waves subsiding
to calm to 2 feet. 
.tuesday night...southwest winds 15 to 25 knots. a chance of
showers. waves calm to 2 feet. 
.wednesday...southwest winds 10 to 20 knots. a chance of showers.
waves calm to 2 feet. 
.thursday...east winds 10 to 20 knots becoming south 5 to
15 knots. a chance of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 280801
glfls 
expires:202606282000;;040009

open lake forecast for lake superior
national weather service marquette mi
400 am edt sun jun 28 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... 

through this afternoon, a 29.4 low will wrap to the northeast then 
northwest to southern saskatchewan, deepening to 20.3 inches while a 
30.1 inch high remains stationary and holds strength over the hudson 
bay. by tomorrow morning, the high will shift southeast to the east 
of lake erie as the saskatchewan low regresses southwest at 29.5 
inches to montana while another low at 29.4 inches moves from 
colorado to the northern plains. the 2nd low moves to southern 
manitoba tomorrow night as high pressure shifts off the east coast, 
still at 30.1 inches. tuesday, the low shifts north to lake winnipeg 
and deepens to 29.2 inches. the low then weakens to 29.4 inches as 
it crosses northern ontario by midday wednesday. as the low shifts 
east through thursday, weak high pressure around 30.0 inches expands 
over much of the eastern conus.




lsz266-282000-
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 edt sun jun 28 2026

.early this morning...east winds 5 to 15 knots. waves calm to
2 feet. 
.today...southeast winds 5 to 15 knots becoming east 10 to
20 knots in the afternoon. waves building to 1 to 3 feet. 
.tonight...southeast winds 10 to 20 knots increasing to 20 to
30 knots. a chance of showers. a chance of thunderstorms after
midnight. waves building to 2 to 4 feet. 
.monday...southeast winds 20 to 30 knots diminishing to 15 to
25 knots late. a chance of showers and a slight chance of
thunderstorms through early afternoon. waves building to 3 to
5 feet occasionally to 7 feet. 
.monday night...southeast winds 20 to 30 knots becoming south
15 to 25 knots after midnight. a chance of showers through
midnight. a slight chance of thunderstorms. showers likely after
midnight. waves building to 3 to 6 feet occasionally to 8 feet. 
.tuesday...south winds 10 to 20 knots. a chance of showers. waves
subsiding to calm to 2 feet. 
.tuesday night...south winds 15 to 25 knots veering southwest
after midnight. a chance of showers. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 
.wednesday...southwest winds 5 to 15 knots backing south. a
chance of showers. waves subsiding to calm to 2 feet. 
.thursday...south winds 5 to 15 knots. a chance of showers. waves
calm to 2 feet. 

$$

fzus63 kmqt 280801
glfls 
expires:202606282000;;040010

open lake forecast for lake superior
national weather service marquette mi
400 am edt sun jun 28 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... 

through this afternoon, a 29.4 low will wrap to the northeast then 
northwest to southern saskatchewan, deepening to 20.3 inches while a 
30.1 inch high remains stationary and holds strength over the hudson 
bay. by tomorrow morning, the high will shift southeast to the east 
of lake erie as the saskatchewan low regresses southwest at 29.5 
inches to montana while another low at 29.4 inches moves from 
colorado to the northern plains. the 2nd low moves to southern 
manitoba tomorrow night as high pressure shifts off the east coast, 
still at 30.1 inches. tuesday, the low shifts north to lake winnipeg 
and deepens to 29.2 inches. the low then weakens to 29.4 inches as 
it crosses northern ontario by midday wednesday. as the low shifts 
east through thursday, weak high pressure around 30.0 inches expands 
over much of the eastern conus.




lsz267-282000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am edt sun jun 28 2026

.early this morning...southeast winds 5 to 15 knots. waves calm
to 2 feet. 
.today...southeast winds 5 to 15 knots backing east in the
afternoon, then increasing to 10 to 20 knots late. waves calm to
2 feet. 
.tonight...southeast winds 10 to 20 knots increasing to 15 to
25 knots after midnight. a slight chance of showers and
thunderstorms after midnight. waves building to 2 to 4 feet. 
.monday...southeast winds 15 to 25 knots. a chance of showers and
a slight chance of thunderstorms. waves building to 3 to 5 feet
occasionally to 7 feet. 
.monday night...southeast winds 15 to 25 knots veering south
after midnight. a chance of showers through midnight. a slight
chance of thunderstorms. showers likely after midnight. waves
subsiding to 2 to 4 feet. 
.tuesday...south winds 10 to 20 knots. a chance of showers. waves
subsiding to calm to 2 feet. 
.tuesday night...south winds 15 to 25 knots becoming southwest
10 to 20 knots after midnight. a chance of showers and
thunderstorms. waves building to 2 to 4 feet, then subsiding to
1 to 3 feet. 
.wednesday...southwest winds 5 to 15 knots backing south. a
chance of showers. waves subsiding to calm to 2 feet. 
.thursday...south winds 5 to 15 knots backing southeast. a chance
of showers. waves calm to 2 feet. 

$$