fzus61 kbuf 170802
glflo 
expires:202607171500;;108920

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt fri jul 17 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 averaging 30.1 inches builds from the upper great lakes 
today. a warm front should sweep northeastward across lake ontario 
tonight through saturday morning as the ridge exits toward new 
england and a 29.7 inch low moves eastward across the northwestern 
great lakes. later on saturday, a cold front should move eastward 
across lake ontario as the low moves farther eastward toward 
southern quebec. behind the low and cold front, a 29.9 inch ridge 
should slide southeastward across the great lakes through monday. a 
warm front should sweep northeastward across lake ontario monday 
night and a cold front should sweep eastward across the lake on 
tuesday as a 29.5 inch low moves eastward across northern ontario 
and northern quebec.


loz062-171500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt fri jul 17 2026

.today...east winds 10 knots or less. smoke. waves 2 feet or
less. 
.tonight...southeast winds 5 to 15 knots becoming south. smoke
through the early overnight. a chance of showers and
thunderstorms late. waves 1 foot or less. 
.saturday...southwest winds 15 to 20 knots. showers with a chance
of thunderstorms. waves 1 to 2 feet building to 3 to 5 feet. 
.saturday night...west winds 15 to 20 knots becoming north.
showers with a chance of thunderstorms in the evening. waves 3 to
5 feet. 
.sunday...north winds 5 to 15 knots becoming west. waves 1 to
3 feet subsiding to 1 foot or less. 
.monday...southwest winds 5 to 10 knots becoming south and
increasing to 15 to 20 knots. showers likely monday night. waves
2 feet or less. 
.tuesday...southwest winds 15 to 25 knots becoming west. showers
with a chance of thunderstorms. waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 170802
glflo 
expires:202607171500;;108921

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt fri jul 17 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 averaging 30.1 inches builds from the upper great lakes 
today. a warm front should sweep northeastward across lake ontario 
tonight through saturday morning as the ridge exits toward new 
england and a 29.7 inch low moves eastward across the northwestern 
great lakes. later on saturday, a cold front should move eastward 
across lake ontario as the low moves farther eastward toward 
southern quebec. behind the low and cold front, a 29.9 inch ridge 
should slide southeastward across the great lakes through monday. a 
warm front should sweep northeastward across lake ontario monday 
night and a cold front should sweep eastward across the lake on 
tuesday as a 29.5 inch low moves eastward across northern ontario 
and northern quebec.


loz063>065-171500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt fri jul 17 2026

.today...northeast winds 10 knots or less becoming southeast.
waves 2 feet or less. 
.tonight...southeast winds 5 to 15 knots becoming south 15 to
20 knots. patchy smoke in the evening. a chance of showers late.
waves 2 feet or less. 
.saturday...south winds 15 to 20 knots becoming southwest.
showers likely in the morning, then showers with a chance of
thunderstorms in the afternoon. waves 1 to 3 feet building to
3 to 5 feet. 
.saturday night...west winds 15 to 20 knots becoming north.
showers with a chance of thunderstorms in the evening, then a
chance of showers overnight. waves 3 to 6 feet. 
.sunday...northwest winds 15 to 20 knots diminishing to 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.monday...southwest winds 5 to 15 knots becoming south and
increasing to 15 to 25 knots. a chance of showers monday night.
waves 1 foot or less building to 2 to 4 feet. 
.tuesday...south winds 15 to 25 knots becoming west. showers with
a chance of thunderstorms. waves 3 to 5 feet subsiding to 2 to
4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 171352
glfle 
expires:202607172015;;121338

open lake forecast for lake erie
national weather service cleveland oh
952 am edt fri jul 17 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 warm front will lift northeast across lake erie tonight into
saturday, followed by a cold front from the northwest saturday 
night. high pressure 30.00 inches will briefly build sunday into 
monday, followed by another cold front on tuesday.


lez061-167>169-172015-
ripley to buffalo ny extending from 5nm 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-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
952 am edt fri jul 17 2026

...dense smoke advisory in effect until 4 pm edt...

.this afternoon...light and variable winds. smoke. waves 1 foot or
less. 
.tonight...southeast winds 5 to 15 knots becoming southwest 15 to
20 knots. smoke. a chance of showers with a slight chance of
thunderstorms after midnight. a chance of showers and
thunderstorms late. waves 1 to 3 feet. 
.saturday...southwest winds 15 to 25 knots. smoke in the morning.
a chance of showers and thunderstorms in the morning, then
showers with a chance of thunderstorms in the afternoon. waves
3 to 6 feet. 
.saturday night...west winds 15 to 20 knots becoming north 10 to
15 knots. showers with a chance of thunderstorms in the evening.
waves 3 to 6 feet subsiding to 2 to 4 feet. 
.sunday...north winds 5 to 15 knots becoming south less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.monday...south winds 5 to 15 knots increasing to 15 to 25 knots.
showers likely monday night. waves 2 feet or less building to
3 to 6 feet. 
.tuesday...southwest winds 15 to 25 knots becoming northwest.
showers likely with a chance of thunderstorms during the day,
then a chance of showers tuesday night. waves 4 to 7 feet
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 171352
glfle 
expires:202607172015;;121336

open lake forecast for lake erie
national weather service cleveland oh
952 am edt fri jul 17 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 warm front will lift northeast across lake erie tonight into
saturday, followed by a cold front from the northwest saturday 
night. high pressure 30.00 inches will briefly build sunday into 
monday, followed by another cold front on tuesday.


lez162-163-172015-
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-
952 am edt fri jul 17 2026

...dense smoke advisory in effect until 4 pm edt...

.this afternoon...south winds 10 knots or less becoming southeast.
smoke. waves 1 foot or less. 
.tonight...southeast winds 5 to 15 knots becoming southwest.
smoke in the evening, then patchy smoke after midnight. a slight
chance of showers and thunderstorms. waves 2 feet or less. 
.saturday...southwest winds 15 to 20 knots becoming west. showers
with a chance of thunderstorms in the afternoon. waves 1 to
3 feet. 
.saturday night...west winds 15 to 20 knots becoming north 10 to
15 knots. showers likely with a chance of thunderstorms in the
evening. waves 1 to 3 feet. 
.sunday...north winds 5 to 15 knots becoming south. waves 2 feet
or less. 
.monday...south winds 5 to 15 knots becoming southwest 15 to
20 knots. a chance of showers and thunderstorms monday night.
waves 1 foot or less building to 1 to 3 feet. 
.tuesday...southwest winds 15 to 20 knots becoming northwest. a
chance of showers and thunderstorms during the day. waves 2 to
4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 171352
glfle 
expires:202607172015;;121337

open lake forecast for lake erie
national weather service cleveland oh
952 am edt fri jul 17 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 warm front will lift northeast across lake erie tonight into
saturday, followed by a cold front from the northwest saturday 
night. high pressure 30.00 inches will briefly build sunday into 
monday, followed by another cold front on tuesday.


lez164>166-172015-
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-
952 am edt fri jul 17 2026

...dense smoke advisory in effect until 4 pm edt...

.this afternoon...south winds less than 10 knots becoming east.
smoke. waves 1 foot or less. 
.tonight...east winds 5 to 15 knots becoming southwest 15 to
20 knots. smoke in the evening, then patchy smoke after midnight.
a chance of showers with a slight chance of thunderstorms late in
the evening. a chance of showers and thunderstorms after
midnight. waves 1 to 3 feet. 
.saturday...southwest winds 15 to 20 knots becoming west. a
chance of showers and thunderstorms in the morning, then showers
with a chance of thunderstorms in the afternoon. waves 3 to
6 feet. 
.saturday night...west winds 15 to 20 knots becoming north 10 to
15 knots. showers likely with a chance of thunderstorms in the
evening. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.sunday...north winds 5 to 15 knots becoming southeast less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.monday...south winds 5 to 10 knots becoming southwest and
increasing to 15 to 25 knots. showers likely with a chance of
thunderstorms monday night. waves 1 foot or less building to 3 to
6 feet. 
.tuesday...southwest winds 15 to 25 knots becoming northwest.
showers likely with a chance of thunderstorms during the day,
then a chance of showers tuesday night. waves 3 to 6 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 171358
glflh 
expires:202607172200;;121497

open lake forecast for lake huron
national weather service detroit/pontiac mi
958 am edt fri jul 17 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...canadian wildfire smoke persists today amidst high 
pressure influence. the next weak low pressure systems arrive 
friday bringing a round of showers and thunderstorms late in the 
day and overnight. this will be followed by a secondary low on 
saturday tracking across the straits into northern lake huron with
additional unsettled weather.


lhz462>464-172200-
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-
958 am edt fri jul 17 2026

...dense smoke advisory in effect until 10 pm edt this evening...

.rest of today...light and variable winds becoming southeast 5 to
10 knots late in the afternoon. smoke. waves 2 feet or less. 
.tonight...southeast winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. smoke. waves 1 to
3 feet building to 2 to 4 feet after midnight. 
.saturday...southwest winds 15 to 20 knots veering to the west
with gusts to around 30 knots early in the afternoon. a chance of
showers and thunderstorms. areas of smoke in the afternoon. waves
3 to 5 feet. 
.saturday night...north winds 20 to 25 knots with gusts to
35 knot gales decreasing to 10 to 15 knots. patchy smoke in the
evening. waves 6 to 9 feet. waves occasionally around 12 feet. 
.sunday...north winds 10 to 15 knots decreasing to 5 to 10 knots
late in the morning...then becoming light and variable late in
the afternoon becoming south 5 to 10 knots late in the evening.
waves 3 to 5 feet subsiding to 1 to 3 feet. 
.monday...south winds 10 to 15 knots increasing to 15 to 20 knots
with gusts to around 30 knots . showers early in the evening.
rain showers and a chance of thunderstorms by midnight. waves
1 to 3 feet building to 4 to 6 feet. waves occasionally around
8 feet. 
.tuesday...southwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and early afternoon...then becoming
west 15 to 20 knots with gusts to 35 knot gales early in the
evening becoming northwest 20 to 25 knots with gusts to 35 knot
gales by midnight. showers early in the morning. a chance of
thunderstorms. a chance of showers. waves 3 to 5 feet building to
8 to 12 feet . waves occasionally around 15 feet. 


$$

fzus63 kdtx 171358
glflh 
expires:202607172200;;121495

open lake forecast for lake huron
national weather service detroit/pontiac mi
958 am edt fri jul 17 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...canadian wildfire smoke persists today amidst high 
pressure influence. the next weak low pressure systems arrive 
friday bringing a round of showers and thunderstorms late in the 
day and overnight. this will be followed by a secondary low on 
saturday tracking across the straits into northern lake huron with
additional unsettled weather.


lhz361-172200-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
958 am edt fri jul 17 2026

.rest of today...southeast winds 5 to 10 knots. light smoke. a 
chance of showers in the afternoon. waves 2 feet or less. 
.tonight...east winds 10 to 15 knots veering to the southeast
after midnight...then becoming south 15 to 20 knots early in the
morning. a chance of showers in the evening...then showers likely
and a chance of thunderstorms after midnight. smoke. waves 1 to
3 feet building to 3 to 5 feet early in the morning. 
.saturday...southwest winds 15 to 20 knots veering to the
northwest in the late morning and afternoon. gusts to 30 knots.
showers likely in the morning. areas of smoke. waves 4 to 6 feet.
.saturday night...northwest winds 15 to 20 knots. waves 4 to
6 feet subsiding to 2 to 4 feet after midnight. waves
occasionally around 8 feet. 
.sunday...north winds 5 to 10 knots in the morning becoming light
and variable...then becoming southwest 5 to 10 knots late in the
afternoon. waves 2 feet or less. 
.monday...south winds 10 to 15 knots becoming southwest 15 to
20 knots with gusts to around 30 knots by midnight. a chance of
showers early in the morning. rain showers and a chance of
thunderstorms . waves 2 to 4 feet building to 4 to 6 feet. waves
occasionally around 8 feet. 
.tuesday...southwest winds 20 to 25 knots with gusts to around
30 knots becoming northwest to 30 knots with gusts to 40 knot
gales. a chance of thunderstorms early in the morning. waves 6 to
9 feet building to 10 to 14 feet . waves occasionally around
18 feet. 


$$

fzus63 kdtx 171358
glflh 
expires:202607172200;;121496

open lake forecast for lake huron
national weather service detroit/pontiac mi
958 am edt fri jul 17 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...canadian wildfire smoke persists today amidst high 
pressure influence. the next weak low pressure systems arrive 
friday bringing a round of showers and thunderstorms late in the 
day and overnight. this will be followed by a secondary low on 
saturday tracking across the straits into northern lake huron with
additional unsettled weather.


lhz362-363-172200-
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-
958 am edt fri jul 17 2026

...dense smoke advisory in effect until 10 pm edt this evening...

.rest of today...light and variable winds becoming southeast 5 to
10 knots late in the afternoon. smoke. waves 2 feet or less. 
.tonight...southeast winds 10 to 15 knots becoming south 15 to
20 knots early in the morning. smoke. a chance of showers after
midnight. waves 1 to 3 feet building to 3 to 5 feet after
midnight. 
.saturday...southwest winds 15 to 20 knots with gusts to around
30 knots becoming northwest 20 to 25 knots with gusts to 35 knot
gales early in the afternoon. a chance of showers. patchy smoke
in the morning. areas of smoke in the afternoon. waves 4 to
6 feet building to 6 to 9 feet early in the afternoon. waves
occasionally around 12 feet. 
.saturday night...northwest winds 20 to 25 knots with gusts to
around 30 knots becoming northwest 20 to 25 knots. patchy smoke
in the evening. waves 5 to 7 feet. waves occasionally around
10 feet. 
.sunday...north winds 5 to 10 knots in the morning becoming light
and variable...then becoming east 5 to 10 knots late in the
afternoon veering to the south. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.monday...south winds 10 to 15 knots increasing to 20 to 25 knots
with gusts to around 30 knots. showers and a chance of
thunderstorms . waves 1 to 3 feet building to 6 to 9 feet. waves
occasionally around 12 feet. 
.tuesday...southwest winds 15 to 20 knots becoming northwest
20 to 25 knots early in the evening...then increasing to 30 knots
by midnight. gusts to 35 knot gales. showers likely and a chance
of thunderstorms early in the morning...then a chance of showers
until early evening. waves 8 to 12 feet building to 10 to 14 feet
. waves occasionally around 18 feet. 


$$

fzus63 kdtx 170759
glfsc 
expires:202607171600;;108744

lake st clair forecast
national weather service detroit/pontiac mi
359 am edt fri jul 17 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...canadian wildfire smoke persists today amidst high 
pressure influence. the next weak low pressure systems arrive 
today bringing a round of showers and thunderstorms late in the 
day and overnight. this will be followed by a secondary low on 
saturday tracking across the straits into northern lake huron with
additional unsettled weather.


lcz460-171600-
lake st clair-
359 am edt fri jul 17 2026

...dense smoke advisory in effect until 4 pm edt this afternoon...

.today...light and variable winds becoming southeast 10 to 15 knots.
cloudy in the morning becoming partly sunny. smoke. waves 2 feet or
less.
.tonight...south winds 10 to 15 knots veering to the southwest early
in the morning. partly cloudy. smoke early in the evening.. then
areas of smoke late in the evening. patchy smoke after midnight.
waves 2 feet or less.
.saturday...west winds 15 to 20 knots. a chance of thunderstorms
early in the morning. a chance of light showers until late
afternoon...then showers and a chance of thunderstorms early in the
afternoon. waves 1 to 3 feet.
.saturday night...north winds 15 to 20 knots diminishing to 10 to 15
knots after midnight. mostly clear. a chance of showers and
thunderstorms early in the evening. waves 1 to 3 feet.
.sunday...north winds 10 to 15 knots becoming northeast 5 to 10
knots in the afternoon and evening. clear. waves 2 feet or less.
.monday...south winds 15 to 20 knots. partly cloudy. a chance of
showers. waves 2 feet or less.
.tuesday...northwest winds 20 to 25 knots. showers and a chance of
thunderstorms. waves 1 to 3 feet.

$$