fzus61 kbuf 172003
glflo 
expires:202607180300;;137182

open lake forecast for lake ontario
national weather service buffalo ny
403 pm 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 30.0 inch ridge of high pressure will slide east of the lake this 
evening to the atlantic shoreline and in its wake a warm front will 
lift northeastward across the lake tonight through tomorrow morning. 
following this warm front a cold front will slice across the lake 
saturday afternoon and evening with this front attached to a 29.4 
inch area of low pressure crossing southern canada. a 30.0 inch area 
of high pressure will build across the great lakes region from west 
to east sunday into monday, followed by another cold front tuesday 
night with this front attached to a 29.5 inch area of low pressure 
near james bay. a secondary cold front will cross the lake 
wednesday.


loz063>065-180300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 pm edt fri jul 17 2026

.tonight...southeast winds 5 to 15 knots becoming south 15 to
20 knots. areas of smoke this evening. waves 1 foot or less
building to 1 to 3 feet. 
.saturday...south winds 15 to 25 knots becoming west. showers in
the morning, then showers with a chance of thunderstorms in the
afternoon. some thunderstorms may produce gusty winds in the
afternoon. waves 2 to 4 feet building to 3 to 6 feet. 
.saturday night...west winds 15 to 25 knots becoming northwest.
showers with a chance of thunderstorms in the evening. some
thunderstorms may produce gusty winds in the evening. waves 3 to
6 feet building to 4 to 7 feet, then subsiding to 3 to 6 feet.
waves occasionally around 9 feet. 
.sunday...northwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.sunday night...west winds 5 to 15 knots. waves 1 to 3 feet. 
.monday...southwest winds 5 to 15 knots becoming south 15 to
20 knots. a chance of showers monday night. waves 2 feet 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 building to 3 to
6 feet. 
.wednesday...west 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. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 172003
glflo 
expires:202607180300;;137181

open lake forecast for lake ontario
national weather service buffalo ny
403 pm 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 30.0 inch ridge of high pressure will slide east of the lake this 
evening to the atlantic shoreline and in its wake a warm front will 
lift northeastward across the lake tonight through tomorrow morning. 
following this warm front a cold front will slice across the lake 
saturday afternoon and evening with this front attached to a 29.4 
inch area of low pressure crossing southern canada. a 30.0 inch area 
of high pressure will build across the great lakes region from west 
to east sunday into monday, followed by another cold front tuesday 
night with this front attached to a 29.5 inch area of low pressure 
near james bay. a secondary cold front will cross the lake 
wednesday.


loz062-180300-
lake ontario open waters from the niagara river to hamlin beach-
403 pm edt fri jul 17 2026

.tonight...southeast winds 5 to 15 knots becoming south. smoke
through the early overnight. waves 1 foot or less. 
.saturday...southwest winds 15 to 20 knots becoming west. showers
likely early, then a chance of showers and thunderstorms late in
the morning. showers with a chance of thunderstorms in the
afternoon. some thunderstorms may produce gusty winds in the
afternoon. waves 1 to 3 feet building to 3 to 6 feet. 
.saturday night...west winds 15 to 20 knots becoming north.
showers likely in the evening. waves 3 to 5 feet. 
.sunday...north winds 5 to 15 knots becoming west. waves 1 to
3 feet. 
.sunday night...west winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.monday...southwest winds 5 to 15 knots becoming south 15 to
20 knots. showers likely monday night. waves 1 to 3 feet. 
.tuesday...south winds 15 to 25 knots becoming west. showers with
a chance of thunderstorms. waves 3 to 5 feet. 
.wednesday...west winds 15 to 20 knots. a chance of showers
during the day. waves 3 to 6 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 171956
glfle 
expires:202607180215;;136830

open lake forecast for lake erie
national weather service cleveland oh
356 pm 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...
low pressure 29.60 inches will move into the northern great lakes 
tonight and will reach new england by saturday evening while 
deepening to 29.50 inches. this will lift a warm front across lake 
erie tonight before a strong cold front drops across the lake 
saturday night. high pressure 30.00 inches will build across the 
great lakes sunday and monday before another cold front crosses 
tuesday. a trough averaging 29.80 inches will linger over lake erie 
wednesday.


lez061-166>169-180215-
ripley to buffalo ny extending from 5nm 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-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
356 pm edt fri jul 17 2026

...dense smoke advisory in effect until midnight edt tonight...

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

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 171956
glfle 
expires:202607180215;;136828

open lake forecast for lake erie
national weather service cleveland oh
356 pm 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...
low pressure 29.60 inches will move into the northern great lakes 
tonight and will reach new england by saturday evening while 
deepening to 29.50 inches. this will lift a warm front across lake 
erie tonight before a strong cold front drops across the lake 
saturday night. high pressure 30.00 inches will build across the 
great lakes sunday and monday before another cold front crosses 
tuesday. a trough averaging 29.80 inches will linger over lake erie 
wednesday.


lez162-163-180215-
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-
356 pm edt fri jul 17 2026

.tonight...southeast winds 5 to 15 knots becoming southwest.
smoke this evening, then patchy smoke after midnight. a slight
chance of showers and thunderstorms early, then a chance of
showers and thunderstorms late this evening. a slight chance of
showers and thunderstorms after midnight. waves 2 feet or less. 
.saturday...southwest winds 15 to 20 knots becoming west. a
slight chance of showers early. a chance of showers and
thunderstorms early in the afternoon, then showers and
thunderstorms likely late. waves 1 to 3 feet. 
.saturday night...northwest winds 15 to 20 knots becoming
northeast. a chance of showers and thunderstorms in the evening.
waves 1 to 3 feet building to 2 to 4 feet. 
.sunday...northeast winds 5 to 15 knots becoming east. waves 1 to
3 feet subsiding to 1 foot or less. 
.sunday night...southeast winds 5 to 10 knots becoming south.
waves 1 foot or less. 
.monday...southwest winds 5 to 15 knots increasing to 15 to
20 knots. showers likely with a chance of thunderstorms monday
night. waves 1 foot or less building to 1 to 3 feet. 
.tuesday...southwest winds 15 to 20 knots becoming northwest.
showers likely with a chance of thunderstorms during the day,
then a chance of showers tuesday night. waves 2 to 4 feet. 
.wednesday...northwest winds 15 to 20 knots diminishing to 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 171956
glfle 
expires:202607180215;;136829

open lake forecast for lake erie
national weather service cleveland oh
356 pm 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...
low pressure 29.60 inches will move into the northern great lakes 
tonight and will reach new england by saturday evening while 
deepening to 29.50 inches. this will lift a warm front across lake 
erie tonight before a strong cold front drops across the lake 
saturday night. high pressure 30.00 inches will build across the 
great lakes sunday and monday before another cold front crosses 
tuesday. a trough averaging 29.80 inches will linger over lake erie 
wednesday.


lez164-165-180215-
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-
356 pm edt fri jul 17 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 172000
glfsc 
expires:202607180400;;136957

lake st clair forecast
national weather service detroit/pontiac mi
400 pm 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 until the overnight
hours as weak low pressure systems approach the region bringing
some showers and thunderstorms. this will be followed by a
secondary low on saturday tracking across the straits into
northern lake huron with additional unsettled weather.


lcz460-180400-
lake st clair-
400 pm edt fri jul 17 2026

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

.tonight...south winds 10 to 15 knots veering to the southwest early
in the morning. mostly clear becoming mostly cloudy late this
evening becoming partly cloudy. smoke. waves 2 feet or less.
.saturday...southwest winds 10 to 15 knots becoming west 15 to 20
knots in the afternoon. partly sunny. a chance of thunderstorms
early in the afternoon. showers likely and a chance of thunderstorms
late in the afternoon. waves 1 to 3 feet.
.saturday night...north winds 20 to 25 knots diminishing to 15 to 20
knots in the late evening and overnight. mostly clear. a chance of
showers and thunderstorms early in the evening. patchy smoke after
midnight. waves 1 to 3 feet.
.sunday...north winds 10 to 15 knots becoming northeast 5 to 10
knots in the late morning and afternoon. mostly sunny. patchy smoke
early in the morning. waves 2 feet or less.
.sunday night...east winds 5 to 10 knots veering to the south after
midnight. mostly clear. waves 2 feet or less.
.monday...southwest winds 5 to 10 knots becoming south 15 to 20
knots. partly sunny...then partly cloudy with a chance of showers
and thunderstorms in the evening. waves 2 feet or less.
.tuesday...northwest winds 20 to 25 knots. showers and a chance of
thunderstorms. waves 1 to 3 feet.
.wednesday...northwest winds 20 to 25 knots. mostly clear. waves 2
to 4 feet.

$$

fzus63 kdtx 171957
glflh 
expires:202607180400;;136861

open lake forecast for lake huron
national weather service detroit/pontiac mi
357 pm 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 until the overnight
hours as weak low pressure systems approach the region bringing 
some showers and thunderstorms. this will be followed by a 
secondary low on saturday tracking across the straits into 
northern lake huron with additional unsettled weather.


lhz462>464-180400-
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-
357 pm edt fri jul 17 2026

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

.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 10 to 15 knots increasing to 15 to
20 knots late in the morning...then becoming west 10 to 15 knots
early in the afternoon becoming northwest 15 to 20 knots with
gusts to around 30 knots late in the afternoon. a chance of
thunderstorms in the morning...then a chance of showers and
thunderstorms in the afternoon. patchy smoke in the afternoon.
waves 3 to 5 feet. 
.saturday night...north winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. patchy smoke. waves 6 to
9 feet. waves occasionally around 12 feet. 
.sunday...north winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and afternoon. waves 3 to 5 feet subsiding to
1 to 3 feet early in the afternoon. 
.sunday night...light and variable winds becoming southeast 5 to
10 knots by midnight...then veering to the south after midnight.
waves 2 feet or less. 
.monday...south winds 10 to 15 knots increasing to 15 to 20 knots
with gusts to around 30 knots late in the afternoon. showers late
in the afternoon. waves 1 to 3 feet building to 3 to 5 feet. 
.tuesday...southwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and early afternoon...then becoming
northwest 15 to 20 knots with gusts to 35 knot gales early in the
evening increasing to 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. 
.wednesday...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots with gusts to around
30 knots . a chance of showers early in the morning. waves 6 to
9 feet. waves occasionally around 11 feet. 


$$

fzus63 kdtx 171957
glflh 
expires:202607180400;;136860

open lake forecast for lake huron
national weather service detroit/pontiac mi
357 pm 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 until the overnight
hours as weak low pressure systems approach the region bringing 
some showers and thunderstorms. this will be followed by a 
secondary low on saturday tracking across the straits into 
northern lake huron with additional unsettled weather.


lhz362-363-180400-
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-
357 pm edt fri jul 17 2026

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

.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 decreasing to 10 to
15 knots late in the morning...then becoming west 15 to 20 knots
with gusts to around 30 knots early in the afternoon becoming
northwest 20 to 25 knots with gusts to around 30 knots late in
the afternoon. a chance of showers in the morning. areas of smoke
in the morning...then patchy smoke in the afternoon. waves 4 to
6 feet building to 6 to 9 feet 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.
waves 5 to 7 feet. waves occasionally around 10 feet. 
.sunday...north winds 5 to 10 knots early in the morning becoming
light and variable. waves 2 to 4 feet subsiding to 1 to 3 feet in
the late morning and afternoon. 
.sunday night...east winds 5 to 10 knots veering to the southeast
by midnight...then becoming south 10 to 15 knots after midnight.
waves 2 feet or less. 
.monday...south winds 10 to 15 knots becoming southwest 15 to
20 knots with gusts to around 30 knots late in the morning...then
becoming south 20 to 25 knots with gusts to around 30 knots late
in the afternoon decreasing to 15 to 20 knots with gusts to
around 30 knots late in the evening. a chance of showers late in
the morning. rain showers late in the afternoon. waves 2 to
4 feet building to 6 to 9 feet. waves occasionally around
12 feet. 
.tuesday...southwest winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots in the late morning and
early afternoon...then becoming northwest 20 to 25 knots with
gusts to 40 knot gales early in the evening increasing to
30 knots with gusts to 35 knot gales by midnight. a chance of
showers. waves 8 to 12 feet building to 10 to 14 feet . waves
occasionally around 18 feet. 
.wednesday...northwest winds to 30 knots with gusts to 35 knot
gales decreasing to 15 to 20 knots. a chance of showers early in
the morning. waves 8 to 12 feet. waves occasionally around
15 feet. 


$$

fzus63 kdtx 171957
glflh 
expires:202607180400;;136859

open lake forecast for lake huron
national weather service detroit/pontiac mi
357 pm 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 until the overnight
hours as weak low pressure systems approach the region bringing 
some showers and thunderstorms. this will be followed by a 
secondary low on saturday tracking across the straits into 
northern lake huron with additional unsettled weather.


lhz361-180400-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
357 pm edt fri jul 17 2026

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


$$