fzus61 kbuf 200202
glflo 
expires:202609200900;;739858

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt sat sep 19 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 ridge of high pressure averaging 30.4 inches 
over the lake will slowly drift to the east through tonight and 
sunday, before drifting off the new england coast sunday night. this 
will open the door for a cold front to sweep southward across the 
lake sunday night, with a ridge averaging 30.4 inches building in 
from northern ontario through monday. by monday night through 
tuesday, a low of 30.0 inches should move from near the lower ohio 
valley toward the mid-atlantic states and extend a weak trough 
averaging 30.3 inches over the eastern great lakes. meanwhile, a 
strong 30.6 inch high over quebec tuesday will then ridge south 
across the lake from tuesday night through at least thursday.


loz062-200900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt sat sep 19 2026

.overnight...east winds 10 to 15 knots. a chance of showers
after midnight. waves 2 to 4 feet subsiding to 1 to 2 feet. 
.sunday...east winds 10 to 15 knots becoming northeast. a chance
of showers in the morning. waves 1 to 3 feet building to 2 to
4 feet. 
.sunday night...northeast winds 10 to 15 knots increasing to
15 to 25 knots. waves 1 to 3 feet building to 3 to 6 feet. 
.monday...northeast winds 15 to 20 knots. waves 3 to 6 feet
subsiding to 2 to 4 feet. 
.monday night...northeast winds 15 to 25 knots. waves 2 to 4 feet
building to 5 to 7 feet. waves occasionally around 9 feet. 
.tuesday...northeast winds 15 to 25 knots becoming east. waves
5 to 8 feet. waves occasionally around 10 feet. 
.wednesday...east winds 15 to 25 knots. waves 4 to 7 feet
subsiding to 3 to 5 feet. waves occasionally around 9 feet. 
.thursday...east winds 15 to 20 knots diminishing to around
10 knots. waves 2 to 4 feet. 

$$

fzus61 kbuf 200202
glflo 
expires:202609200900;;739859

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt sat sep 19 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 ridge of high pressure averaging 30.4 inches 
over the lake will slowly drift to the east through tonight and 
sunday, before drifting off the new england coast sunday night. this 
will open the door for a cold front to sweep southward across the 
lake sunday night, with a ridge averaging 30.4 inches building in 
from northern ontario through monday. by monday night through 
tuesday, a low of 30.0 inches should move from near the lower ohio 
valley toward the mid-atlantic states and extend a weak trough 
averaging 30.3 inches over the eastern great lakes. meanwhile, a 
strong 30.6 inch high over quebec tuesday will then ridge south 
across the lake from tuesday night through at least thursday.


loz063>065-200900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt sat sep 19 2026

.overnight...east winds 5 to 15 knots becoming southeast.
showers late. waves 2 feet or less. 
.sunday...southeast winds 10 to 15 knots becoming northeast 15 to
20 knots. showers in the morning, then a chance of showers early
in the afternoon. waves 2 feet or less building to 2 to 4 feet. 
.sunday night...northeast winds 15 to 25 knots. waves 2 to 4 feet
building to 3 to 6 feet. 
.monday...northeast winds 15 to 25 knots. waves 4 to 7 feet
subsiding to 2 to 4 feet. waves occasionally around 9 feet. 
.monday night...northeast winds 15 to 20 knots becoming east.
waves 2 to 4 feet building to 3 to 6 feet. 
.tuesday...east winds 15 to 20 knots. waves 3 to 6 feet. 
.wednesday...east winds 15 to 20 knots. waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.thursday...east winds 15 to 20 knots diminishing to 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 

$$

fzus61 kcle 200744
glfle 
expires:202609201415;;753664

open lake forecast for lake erie
national weather service cleveland oh
344 am edt sun sep 20 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...
a low pressure system 29.90 inches will move along a stalled 
boundary today, moving a strong cold front southeast through the 
area. the lake will then remain between cool high pressure 30.40 
inches to the north and a trough averaging 29.90 inches over the 
ohio valley through the middle of the week.


lez164>167-201415-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
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-
344 am edt sun sep 20 2026

.today...northeast winds 5 to 15 knots increasing to 15 to
20 knots. a chance of showers. patchy fog late this morning.
waves 1 to 3 feet building to 2 to 4 feet. 
.tonight...northeast winds 15 to 25 knots. a slight chance of
showers early. waves 2 to 4 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.monday...east winds to 30 knots becoming northeast. waves 5 to
9 feet. waves occasionally around 11 feet. 
.monday night...northeast winds to 30 knots becoming east. waves
6 to 10 feet. waves occasionally around 13 feet. 
.tuesday...east winds to 30 knots. a chance of showers during the
day, then showers likely tuesday night. waves 6 to 10 feet. waves
occasionally around 13 feet. 
.wednesday...east winds 15 to 25 knots. showers likely during the
day, then a chance of showers wednesday night. waves 4 to 7 feet
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.thursday...east winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 200744
glfle 
expires:202609201415;;753663

open lake forecast for lake erie
national weather service cleveland oh
344 am edt sun sep 20 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...
a low pressure system 29.90 inches will move along a stalled 
boundary today, moving a strong cold front southeast through the 
area. the lake will then remain between cool high pressure 30.40 
inches to the north and a trough averaging 29.90 inches over the 
ohio valley through the middle of the week.


lez162-163-201415-
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-
344 am edt sun sep 20 2026

.today...northeast winds 5 to 15 knots increasing to 15 to
20 knots. patchy fog this morning. showers likely this morning,
then showers likely with a slight chance of thunderstorms early
this afternoon. a chance of showers with a slight chance of
thunderstorms late. waves 1 to 3 feet. 
.tonight...northeast winds 15 to 25 knots. a chance of showers
with a slight chance of thunderstorms early, then a slight chance
of showers late in the evening. waves 2 to 4 feet building to
3 to 6 feet. 
.monday...northeast winds 20 to 25 knots. waves 5 to 8 feet.
waves occasionally around 10 feet. 
.monday night...northeast winds 20 to 25 knots. a chance of
showers overnight. waves 5 to 8 feet. waves occasionally around
10 feet. 
.tuesday...northeast winds to 30 knots becoming east. a chance of
showers during the day, then showers likely tuesday night. waves
5 to 8 feet. waves occasionally around 10 feet. 
.wednesday...east winds 15 to 25 knots. showers likely during the
day, then a chance of showers wednesday night. waves 3 to 6 feet.
.thursday...east winds 15 to 20 knots becoming northeast 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 200744
glfle 
expires:202609201415;;753665

open lake forecast for lake erie
national weather service cleveland oh
344 am edt sun sep 20 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...
a low pressure system 29.90 inches will move along a stalled 
boundary today, moving a strong cold front southeast through the 
area. the lake will then remain between cool high pressure 30.40 
inches to the north and a trough averaging 29.90 inches over the 
ohio valley through the middle of the week.


lez061-168-169-201415-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-geneva-on-the-
lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
344 am edt sun sep 20 2026

.today...northeast winds 5 to 15 knots. a chance of showers this
morning, then a slight chance of showers this afternoon. waves
1 to 3 feet. 
.tonight...northeast winds 10 to 15 knots increasing to 15 to
25 knots. waves 1 to 3 feet building to 3 to 6 feet. 
.monday...northeast winds 15 to 25 knots. waves 4 to 7 feet.
waves occasionally around 9 feet. 
.monday night...northeast winds to 30 knots becoming east. waves
5 to 8 feet. waves occasionally around 10 feet. 
.tuesday...east winds 15 to 25 knots. a chance of showers. waves
5 to 8 feet. waves occasionally around 10 feet. 
.wednesday...east winds 15 to 20 knots. a chance of showers.
waves 3 to 6 feet. 
.thursday...east winds 15 to 20 knots diminishing to 10 to
15 knots. waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 200702
glflh 
expires:202609201515;;752214

open lake forecast for lake huron
national weather service detroit/pontiac mi
302 am edt sun sep 20 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 low pressure system follows a stalled front
from the central plains into the ohio valley this weekend. a
broad area of high pressure then builds into northern ontario and
the northern great lakes sunday into monday.


lhz361-362-201515-
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-
302 am edt sun sep 20 2026

.today...north winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and afternoon. waves 1 to 3 feet. 
.tonight...north winds 10 to 15 knots becoming northeast 15 to
20 knots in the late evening and overnight. waves 3 to 5 feet
building to 4 to 6 feet after midnight. waves occasionally around
8 feet. 
.monday...northeast winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. waves 3 to 5 feet. 
.monday night...northeast winds 10 to 15 knots increasing to
15 to 20 knots in the late evening and overnight. waves 3 to
5 feet. 
.tuesday...east winds 15 to 20 knots. waves 3 to 5 feet. 
.wednesday...east winds 15 to 20 knots decreasing to 10 to
15 knots by midnight. waves 3 to 5 feet. 
.thursday...east winds 10 to 15 knots decreasing to 5 to 10 knots
. waves 2 to 4 feet subsiding to 1 to 3 feet . 


$$

fzus63 kdtx 200702
glfsc 
expires:202609201515;;752217

lake st clair forecast
national weather service detroit/pontiac mi
302 am edt sun sep 20 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...a weak low pressure system follows a stalled front
from the central plains into the ohio valley this weekend. a
broad area of high pressure then builds into northern ontario and
the northern great lakes sunday into monday.


lcz460-201515-
lake st clair-
302 am edt sun sep 20 2026

...small craft advisory in effect from this evening through
wednesday evening...

.today...northeast winds 10 to 15 knots. patchy fog in the morning.
showers early in the morning...then a chance of light showers in the
late morning and early afternoon. locally heavy rainfall possible
early in the morning. waves 2 feet or less.
.tonight...northeast winds 15 to 20 knots increasing to 20 to 25
knots in the late evening and overnight. partly cloudy. waves 2 to 4
feet.
.monday...northeast winds 20 to 25 knots diminishing to 15 to 20
knots in the late morning and afternoon. partly sunny. waves 1 to 3
feet.
.monday night...northeast winds 20 to 25 knots increasing to 30
knots in the late evening and overnight. mostly cloudy. waves 2 to 4
feet.
.tuesday...northeast winds 20 to 25 knots diminishing to 15 to 20
knots with gusts to 30 knots in the afternoon...then increasing to
30 knots with gusts to 35 knot gales in the evening. partly sunny in
the morning becoming mostly cloudy. waves 2 to 4 feet building to 3
to 5 feet in the evening. waves occasionally around 7 feet.  a gale
warning may be needed.
.wednesday...east winds to 30 knots with gusts to 35 knot gales.
mostly cloudy with a chance of showers. waves 2 to 4 feet.
.thursday...east winds 20 to 25 knots. partly cloudy. waves 2 to 4
feet.

$$

fzus63 kdtx 200702
glflh 
expires:202609201515;;752215

open lake forecast for lake huron
national weather service detroit/pontiac mi
302 am edt sun sep 20 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 low pressure system follows a stalled front
from the central plains into the ohio valley this weekend. a
broad area of high pressure then builds into northern ontario and
the northern great lakes sunday into monday.


lhz363-462>464-201515-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
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-
302 am edt sun sep 20 2026

.today...northeast winds 5 to 10 knots becoming north 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet in the
afternoon. 
.tonight...northeast winds 15 to 20 knots increasing to 20 to
25 knots after midnight. waves 4 to 6 feet. 
.monday...northeast winds 15 to 20 knots. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.monday night...northeast winds 15 to 20 knots. waves 4 to
6 feet. waves occasionally around 8 feet. 
.tuesday...northeast winds 15 to 20 knots with gusts to around
30 knots increasing to 20 to 25 knots with gusts to around
30 knots late in the afternoon...then becoming east 15 to
20 knots late in the evening. waves 4 to 6 feet. 
.wednesday...east winds 15 to 20 knots. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.thursday...east winds 10 to 15 knots becoming northeast 5 to
10 knots . waves 2 to 4 feet subsiding to 1 to 3 feet . 


$$

fzus63 kmkx 200207
glflm 
expires:202609200930;;740058

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
907 pm cdt sat sep 19 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 29.8 inches over the central plains will 
track to east central illinois by sunday morning, then settle over
the southern ohio valley for next week. meanwhile, high pressure 
around 30.3 inches over manitoba will strengthen and track across 
ontario for sunday and monday, then to quebec for tuesday and 
wednesday. modest east winds tonight will become breezy east to 
northeast winds sunday through wednesday with the highest winds 
over the south hal.. winds may come within a few knots of gales 
sunday night over western portions of the lake.


lmz261-362-364-366-563-565-567-868-200930-
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-
907 pm cdt sat sep 19 2026

sheboygan wi to pentwater mi north...

.rest of tonight...east winds 5 to 10 kt becoming northeast 10 to
15 kt after midnight, then increasing to 10 to 20 kt late. chance
of showers through early evening. waves 2 to 4 ft.
.sunday...northeast winds 15 to 25 kt increasing to 30 kt. waves
3 to 5 ft building to 6 to 9 ft occasionally to 12 ft. 
.sunday night...northeast winds to 30 kt diminishing to 15 to
25 kt after midnight, then becoming east 10 to 20 kt late. waves
7 to 10 ft occasionally to 13 ft subsiding to 4 to 7 ft
occasionally to 9 ft. 
.monday...east winds 15 to 25 kt becoming northeast. waves 4 to
6 ft occasionally to 8 ft. 
.monday night...east winds 15 to 25 kt diminishing to 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft. 
.tuesday...east winds 15 to 25 kt becoming northeast to 30 kt.
waves 4 to 6 ft occasionally to 8 ft. 
.tuesday night...east winds 15 to 25 kt diminishing to 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft. 
.wednesday...east winds 15 to 25 kt becoming northeast to 30 kt.
waves 3 to 5 ft. 
.thursday...east winds 10 to 20 kt becoming northeast. waves 1 to
3 ft.  

$$

fzus63 kmkx 200207
glflm 
expires:202609200930;;740059

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
907 pm cdt sat sep 19 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 29.8 inches over the central plains will 
track to east central illinois by sunday morning, then settle over
the southern ohio valley for next week. meanwhile, high pressure 
around 30.3 inches over manitoba will strengthen and track across 
ontario for sunday and monday, then to quebec for tuesday and 
wednesday. modest east winds tonight will become breezy east to 
northeast winds sunday through wednesday with the highest winds 
over the south hal.. winds may come within a few knots of gales 
sunday night over western portions of the lake.


lmz080-669-671-673-675-777-779-870-872-874-876-878-200930-
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-
907 pm cdt sat sep 19 2026

sheboygan wi to pentwater mi south...

.rest of tonight...east winds 10 to 15 kt becoming northeast
10 to 20 kt. chance of showers and thunderstorms through early
evening, then showers with a chance of thunderstorms overnight.
waves 2 to 4 ft subsiding to 1 to 3 ft. 
.sunday...northeast winds 10 to 20 kt increasing to 30 kt. chance
of showers and slight chance of thunderstorms in the morning,
then chance of showers in the afternoon. waves 3 to 5 ft building
to 7 to 10 ft occasionally to 13 ft. 
.sunday night...northeast winds to 30 kt becoming east. waves
8 to 11 ft occasionally to 14 ft subsiding to 6 to 9 ft
occasionally to 12 ft. 
.monday...east winds to 30 kt becoming northeast. waves 6 to 9 ft
occasionally to 12 ft. 
.monday night...east winds to 30 kt. waves 6 to 9 ft occasionally
to 12 ft. 
.tuesday...east winds to 30 kt becoming northeast. waves 7 to
10 ft occasionally to 13 ft. 
.tuesday night...northeast winds to 30 kt becoming east 15 to
25 kt. waves 5 to 8 ft occasionally to 10 ft. 
.wednesday...northeast winds 15 to 25 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.thursday...northeast winds 10 to 20 kt diminishing to 10 to
15 kt. waves 3 to 5 ft.  

$$