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.

$$

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;;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. 


$$