fzus61 kbuf 170802
glflo 
expires:202608171500;;336480

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt mon aug 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 cold front sweeps eastward across lake ontario through this late 
morning. behind the front, a trough averaging 29.8 inches lingers 
over lake ontario today. a high pressure ridge averaging 30.0 inches 
builds from the upper midwest tonight and traverses lake ontario on 
tuesday. the ridge will begin to exit eastward tuesday night before 
a cold front sweeps southeastward across the lake wednesday. behind 
the cold front, a 30.1 inch high will build from the upper midwest 
through this friday.


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

.today...west winds 5 to 10 knots. waves 2 feet or less. 
.tonight...northwest winds 5 to 10 knots becoming north. waves
2 feet or less. 
.tuesday...northwest winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.tuesday night...southwest winds 10 to 15 knots. showers likely
overnight. waves 1 to 3 feet. 
.wednesday...west winds 5 to 15 knots becoming northwest. showers
likely during the day, then a chance of showers wednesday night.
waves 1 to 2 feet. 
.thursday...northwest winds 10 knots or less becoming north.
waves 1 foot or less. 
.friday...northeast winds 10 knots or less becoming south. waves
1 foot or less. 

$$

fzus63 kdtx 170738
glflh 
expires:202608171545;;335821

open lake forecast for lake huron
national weather service detroit/pontiac mi
338 am edt mon aug 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...an area of low pressure, 29.80 inches, is tracking
east across ontario this afternoon and will pull a cold front
across the central great lakes region late this evening. this
cold front brings in a 6- 8 hour bout of 20-25 knot northwest
winds tonight into early monday morning and chances for
thunderstorms this afternoon and evening. high pressure, 30.20
inches, builds in behind the front for monday and most of
tuesday.


lhz362-363-171545-
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-
338 am edt mon aug 17 2026

.today...northwest winds 10 to 15 knots. waves 3 to 5 feet
subsiding to 1 to 3 feet in the afternoon. 
.tonight...light and variable winds becoming southwest 5 to
10 knots early in the morning. waves 2 feet or less. 
.tuesday...southwest winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and afternoon. a chance of showers
in the afternoon. waves 1 to 3 feet. 
.tuesday night...south winds 5 to 10 knots veering to the west by
midnight...then 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. 
.thursday...northwest winds 5 to 10 knots veering to the east by
midnight. waves 2 feet or less. 
.friday...south winds 5 to 10 knots increasing to 10 to 15 knots
. waves 1 to 3 feet. 


$$

fzus63 kdtx 170738
glflh 
expires:202608171545;;335822

open lake forecast for lake huron
national weather service detroit/pontiac mi
338 am edt mon aug 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...an area of low pressure, 29.80 inches, is tracking
east across ontario this afternoon and will pull a cold front
across the central great lakes region late this evening. this
cold front brings in a 6- 8 hour bout of 20-25 knot northwest
winds tonight into early monday morning and chances for
thunderstorms this afternoon and evening. high pressure, 30.20
inches, builds in behind the front for monday and most of
tuesday.


lhz462>464-171545-
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-
338 am edt mon aug 17 2026

.today...north winds 10 to 15 knots decreasing to 5 to 10 knots
late in the afternoon. waves 3 to 5 feet subsiding to 2 to 4 feet
late in the afternoon. 
.tonight...north winds 5 to 10 knots early in the evening
becoming light and variable. waves 2 feet or less. 
.tuesday...southwest winds 5 to 10 knots. waves 2 feet or less. 
.tuesday night...south winds 5 to 10 knots becoming west 10 to
15 knots in the late evening and overnight. showers and a chance
of thunderstorms in the evening...then showers likely after
midnight. waves 1 to 3 feet. 
.wednesday...northwest winds 10 to 15 knots becoming north 5 to
10 knots late in the morning...then veering to the northeast late
in the evening. waves 2 feet or less. 
.thursday...north winds 5 to 10 knots veering to the northeast by
midnight. waves 2 feet or less. 
.friday...southeast winds 5 to 10 knots becoming south 10 to
15 knots by midnight. waves 2 feet or less. 


$$