fzus61 kbuf 181402
glflo 
expires:202608182100;;938393

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt tue aug 18 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 30.0 inches will 
build across the lower great lakes today. the ridge exits eastward 
tonight before a cold front sweeps eastward across lake ontario on 
wednesday. behind the front, a ridge averaging 30.1 inches builds 
from the western great lakes through friday. this ridge should exit 
eastward friday night through saturday and allow a warm front to 
drift northward across lake ontario.


loz062-182100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt tue aug 18 2026

.this afternoon...west winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.tonight...southwest winds 10 to 15 knots. a chance of showers
after midnight. showers likely late. waves 1 to 3 feet. 
.wednesday...southwest winds 5 to 10 knots becoming west. a
chance of showers. waves 1 to 2 feet. 
.wednesday night...northwest winds 5 to 10 knots. waves 2 feet or
less. 
.thursday...northwest winds 10 knots or less becoming northeast.
waves 1 foot or less. 
.friday...east winds 10 knots or less becoming southeast. waves
1 foot or less. 
.saturday...south winds 5 to 10 knots becoming southwest. a
chance of showers during the day, then showers likely saturday
night. waves 2 feet or less. 

$$

fzus63 kdtx 181406 cca
glflh 
expires:202608181545;;938615

open lake forecast for lake huron
national weather service detroit/pontiac mi
issued by national weather service grand rapids mi
1004 am edt tue aug 18 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...diffuse area of high pressure, 30.00 inches, will wash
out across the eastern great lakes this morning. a cold front
will then push across the region from north to south this
afternoon and evening. this will bring showers and thunderstorms
and will veer winds from southwest to northwest in the wake of
the front.


lhz362-363-181545-
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-
1004 am edt tue aug 18 2026

.rest of today...southwest winds 5 to 10 knots becoming south 10 to
15 knots in the late morning and afternoon. a chance of showers
and thunderstorms in the afternoon. waves 1 to 3 feet. 
.tonight...south winds 5 to 10 knots becoming northwest 10 to
15 knots after midnight. a chance of showers and thunderstorms in
the evening...then a chance of showers after midnight. waves 1 to
3 feet. 
.wednesday...northwest winds 5 to 10 knots. waves 1 to 3 feet. 
.wednesday night...north winds 5 to 10 knots backing to the
northwest after midnight. waves 1 to 3 feet. 
.thursday...northwest winds 5 to 10 knots in the morning becoming
light and variable...then becoming southeast 5 to 10 knots late
in the afternoon. waves 2 feet or less. 
.friday...south winds 5 to 10 knots increasing to 10 to 15 knots.
a chance of showers. waves 1 to 3 feet. 
.saturday...southwest winds 10 to 15 knots veering to the
northwest by midnight. a chance of showers. a chance of
thunderstorms until early evening. waves 2 to 4 feet. 


$$

fzus63 kdtx 181406 cca
glflh 
expires:202608181545;;938616

open lake forecast for lake huron
national weather service detroit/pontiac mi
issued by national weather service grand rapids mi
1004 am edt tue aug 18 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...diffuse area of high pressure, 30.00 inches, will wash
out across the eastern great lakes this morning. a cold front
will then push across the region from north to south this
afternoon and evening. this will bring showers and thunderstorms
and will veer winds from southwest to northwest in the wake of
the front.


lhz462>464-181545-
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-
1004 am edt tue aug 18 2026

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


$$