fzus61 kbuf 190802
glflo 
expires:202608191500;;980641

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt wed aug 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 cold front will cross the lake today. behind the 
front, high pressure averaging 30.1 inches will build from the upper 
great lakes thursday to new england by friday night. the high will 
then move into the canadian maritimes saturday, while an elongated 
29.7 inch low slowly makes its way from the central great lakes to 
western quebec saturday and sunday.


loz062-191500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt wed aug 19 2026

.today...southwest winds 5 to 15 knots becoming west. showers
likely with a chance of thunderstorms this morning, then a chance
of showers early this afternoon. waves 1 to 2 feet. 
.tonight...northwest winds 5 to 10 knots. waves 2 feet or less. 
.thursday...northwest winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.thursday night...northwest winds 10 knots or less becoming
northeast. waves 1 foot or less. 
.friday...east winds 5 to 10 knots becoming southeast. waves
2 feet or less. 
.saturday...southeast winds 5 to 15 knots becoming southwest. a
chance of showers and thunderstorms during the day, then showers
likely with a chance of thunderstorms saturday night. waves 1 to
2 feet. 
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots.
a chance of showers. waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 190802
glflo 
expires:202608191500;;980642

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt wed aug 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 cold front will cross the lake today. behind the 
front, high pressure averaging 30.1 inches will build from the upper 
great lakes thursday to new england by friday night. the high will 
then move into the canadian maritimes saturday, while an elongated 
29.7 inch low slowly makes its way from the central great lakes to 
western quebec saturday and sunday.


loz063>065-191500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt wed aug 19 2026

.today...southwest winds 10 to 15 knots becoming west. showers
likely early, then showers likely with a chance of thunderstorms.
a chance of showers and thunderstorms late. waves 1 to 3 feet. 
.tonight...west winds 5 to 10 knots becoming northwest. waves
1 to 2 feet. 
.thursday...northwest winds 10 knots or less becoming west. waves
2 feet or less. 
.thursday night...west winds 10 knots or less becoming north.
waves 1 foot or less. 
.friday...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.saturday...southeast winds 5 to 15 knots becoming south 15 to
20 knots. a chance of showers and thunderstorms during the day,
then showers with a chance of thunderstorms saturday night. waves
1 to 3 feet. 
.sunday...southwest winds 15 to 20 knots becoming west. showers
with a chance of thunderstorms during the day, then a chance of
showers and thunderstorms sunday night. waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 190827
glfle 
expires:202608191430;;982218

open lake forecast for lake erie
national weather service cleveland oh
427 am edt wed aug 19 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 cold front will sweep across lake erie today followed by high 
pressure 30.10 inches building into the region thursday through 
friday. low pressure 29.90 inches moves into the great lake on 
saturday with a cold front crossing late saturday night into 
sunday.


lez162>164-191430-
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-
427 am edt wed aug 19 2026

.today...west winds 15 to 20 knots diminishing to 10 knots or
less. a chance of waterspouts early. a chance of showers with a
slight chance of thunderstorms early. waves 2 feet or less. 
.tonight...southeast winds 10 knots or less becoming east. a
slight chance of showers and thunderstorms early, then a chance
of showers with a slight chance of thunderstorms late in the
evening. a chance of showers after midnight. waves 1 foot or
less. 
.thursday...east winds 5 to 10 knots becoming northeast. waves
1 foot or less. 
.thursday night...east winds 5 to 10 knots becoming southeast.
waves 1 foot or less. 
.friday...southeast winds 10 knots or less becoming south. waves
1 foot or less. 
.saturday...southwest winds 10 to 15 knots becoming northwest.
showers likely with a chance of thunderstorms during the day.
waves 2 feet or less. 
.sunday...northwest winds 10 to 15 knots. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 190827
glfle 
expires:202608191430;;982219

open lake forecast for lake erie
national weather service cleveland oh
427 am edt wed aug 19 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 cold front will sweep across lake erie today followed by high 
pressure 30.10 inches building into the region thursday through 
friday. low pressure 29.90 inches moves into the great lake on 
saturday with a cold front crossing late saturday night into 
sunday.


lez165>167-191430-
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-
427 am edt wed aug 19 2026

.today...west winds 15 to 20 knots diminishing to 5 to 10 knots.
a chance of waterspouts through early afternoon. a chance of
showers with a slight chance of thunderstorms this morning, then
a slight chance of showers and thunderstorms early this
afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...west winds 5 to 10 knots becoming east. a slight
chance of showers from late evening on. waves 2 feet or less. 
.thursday...east winds 5 to 10 knots becoming northeast. waves
1 foot or less. 
.thursday night...northeast winds 5 to 10 knots becoming east.
waves 1 foot or less. 
.friday...east winds 5 to 10 knots becoming south. waves 1 foot
or less. 
.saturday...southwest winds 10 to 15 knots becoming northwest.
showers likely with a chance of thunderstorms. waves 2 feet or
less. 
.sunday...northwest winds 10 to 15 knots. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 190827
glfle 
expires:202608191430;;982220

open lake forecast for lake erie
national weather service cleveland oh
427 am edt wed aug 19 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 cold front will sweep across lake erie today followed by high 
pressure 30.10 inches building into the region thursday through 
friday. low pressure 29.90 inches moves into the great lake on 
saturday with a cold front crossing late saturday night into 
sunday.


lez061-168-169-191430-
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-
427 am edt wed aug 19 2026

.today...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of waterspouts through early afternoon. a
chance of showers with a slight chance of thunderstorms early,
then showers likely with a slight chance of thunderstorms late
this morning. a chance of showers with a slight chance of
thunderstorms early this afternoon. waves 2 to 4 feet. 
.tonight...west winds 5 to 10 knots becoming northeast. waves
1 to 3 feet. 
.thursday...northeast winds 10 knots or less. waves 1 foot or
less. 
.thursday night...northeast winds less than 10 knots becoming
east. waves 1 foot or less. 
.friday...east winds 10 knots or less becoming southeast. waves
1 foot or less. 
.saturday...south winds 5 to 15 knots becoming west. showers with
a chance of thunderstorms. waves 2 feet or less. 
.sunday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of showers. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 190741
glflh 
expires:202608191545;;979937

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 am edt wed aug 19 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...high pressure, 30.00 inches, builds in tonight and
thursday providing light winds. showers and thunderstorm chances
increase friday evening and especially saturday ahead of the next
cold front.


lhz362-363-191545-
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-
341 am edt wed aug 19 2026

.today...northwest winds 5 to 10 knots until late afternoon
becoming light and variable. waves 1 to 3 feet. 
.tonight...north winds 5 to 10 knots in the evening becoming
light and variable...then becoming north 5 to 10 knots early in
the morning. waves 2 feet or less. 
.thursday...light and variable winds. waves 2 feet or less. 
.thursday night...east winds 5 to 10 knots veering to the
southeast after midnight. waves 2 feet or less. 
.friday...south winds 10 to 15 knots. a chance of showers late in
the afternoon. waves 1 to 3 feet building to 2 to 4 feet. 
.saturday...southwest winds 5 to 10 knots becoming west 10 to
15 knots early in the evening...then becoming northwest 15 to
20 knots by midnight. showers likely early in the morning. a
chance of thunderstorms in the late morning and early afternoon...
then a chance of showers . waves 1 to 3 feet building to 3 to
5 feet . 
.sunday...northwest winds 15 to 20 knots. gusts to 30 knots .
waves 5 to 7 feet. waves occasionally around 10 feet. 


$$

fzus63 kdtx 190741
glflh 
expires:202608191545;;979936

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 am edt wed aug 19 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...high pressure, 30.00 inches, builds in tonight and
thursday providing light winds. showers and thunderstorm chances
increase friday evening and especially saturday ahead of the next
cold front.


lhz361-191545-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
341 am edt wed aug 19 2026

.today...west winds 5 to 10 knots increasing to 10 to 15 knots
late in the afternoon. waves 2 feet or less. 
.tonight...northwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and overnight. waves 2 feet or less.
.thursday...light and variable winds. waves 2 feet or less. 
.thursday night...southeast winds 5 to 10 knots veering to the
south in the late evening and overnight. waves 2 feet or less. 
.friday...south winds 10 to 15 knots becoming southeast 5 to
10 knots late in the afternoon. a chance of showers in the
morning. rain showers likely. a chance of thunderstorms late in
the afternoon. waves 1 to 3 feet building to 2 to 4 feet late in
the afternoon. 
.saturday...southwest winds 5 to 10 knots veering to the west in
the late morning and early afternoon...then becoming northwest
10 to 15 knots early in the evening increasing to 15 to 20 knots
by midnight. showers likely and a chance of thunderstorms early
in the morning...then a chance of showers until early evening.
waves 1 to 3 feet building to 3 to 5 feet . 
.sunday...northwest winds 15 to 20 knots. gusts to 35 knot gales.
waves 4 to 6 feet. waves occasionally around 8 feet. 


$$

fzus63 kdtx 190741
glflh 
expires:202608191545;;979938

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 am edt wed aug 19 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...high pressure, 30.00 inches, builds in tonight and
thursday providing light winds. showers and thunderstorm chances
increase friday evening and especially saturday ahead of the next
cold front.


lhz462>464-191545-
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-
341 am edt wed aug 19 2026

.today...northwest winds 10 to 15 knots becoming north 5 to
10 knots in the afternoon. waves 1 to 3 feet. 
.tonight...light and variable winds. waves 2 feet or less. 
.thursday...light and variable winds becoming north 5 to 10 knots
early in the afternoon. waves 2 feet or less. 
.thursday night...north winds 5 to 10 knots veering to the
southeast after midnight. waves 2 feet or less. 
.friday...southeast winds 5 to 10 knots increasing to 10 to
15 knots. a chance of showers late in the evening. waves 1 to
3 feet. 
.saturday...south winds 5 to 10 knots veering to the southwest in
the late morning and early afternoon...then veering to the west
early in the evening becoming northwest 10 to 15 knots by
midnight. showers likely early in the morning. a chance of
thunderstorms. a chance of showers . waves 1 to 3 feet building
to 3 to 5 feet by midnight. 
.sunday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots by midnight. a chance of showers. waves 4 to 6 feet.
waves occasionally around 8 feet. 


$$

fzus63 kdtx 190741
glfsc 
expires:202608191545;;979951

lake st clair forecast
national weather service detroit/pontiac mi
341 am edt wed aug 19 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...high pressure, 30.00 inches, builds in tonight and
thursday providing light winds. showers and thunderstorm chances
increase friday evening and especially saturday ahead of the next
cold front.


lcz460-191545-
lake st clair-
341 am edt wed aug 19 2026

.today...west winds 10 to 15 knots becoming northwest 5 to 10 knots
in the late morning and early afternoon...then veering to the
northeast late in the afternoon. partly sunny. waves 2 feet or less.
.tonight...northeast winds 5 to 10 knots. partly cloudy. waves 2
feet or less.
.thursday...northeast winds 5 to 10 knots. partly sunny. waves 2
feet or less.
.thursday night...east winds 5 to 10 knots. clear. waves 2 feet or
less.
.friday...southeast winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon and evening. mostly clear. waves 2 feet or less.
.saturday...northwest winds 5 to 10 knots. partly cloudy. showers
likely and a chance of thunderstorms. waves 2 feet or less.
.sunday...north winds 10 to 15 knots. mostly clear. waves 2 feet or
less.

$$