fzus61 kbuf 200203
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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt sun jul 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 30.0 inch area of high pressure will build across the great lakes 
from west to east through monday, followed by a warm front crossing 
the lake monday night and another cold front tuesday night, with 
these fronts attached to a 29.4 inch area of low pressure near james 
bay. a secondary cold front will cross the lake wednesday, with a 
30.1 inch high building across the lower great lakes region 
wednesday night through friday.


loz062-200900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt sun jul 19 2026

.overnight...northwest winds 5 to 10 knots. waves 2 feet or
less. 
.monday...southwest winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.monday night...southeast winds 5 to 15 knots becoming south.
waves 2 feet or less. 
.tuesday...south winds 15 to 20 knots becoming southwest. showers
with a chance of thunderstorms. waves 1 to 3 feet building to
3 to 5 feet. 
.tuesday night...southwest winds 15 to 20 knots becoming west.
showers with a chance of thunderstorms in the evening, then
showers likely overnight. waves 3 to 5 feet. 
.wednesday...northwest winds 15 to 25 knots. waves 3 to 6 feet
building to 4 to 7 feet, then subsiding to 3 to 6 feet. waves
occasionally around 9 feet. 
.thursday...west winds 5 to 15 knots becoming southwest. waves
1 to 3 feet subsiding to 1 foot or less. 
.friday...southwest winds 5 to 10 knots becoming north. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 200149
glflh 
expires:202607201000;;262952

open lake forecast for lake huron
national weather service detroit/pontiac mi
949 pm edt sun jul 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 encompasses the great lakes tonight, 
then exits into the mid-atlantic on monday as a cold front reaches
the western great lakes. this front will pass across the region 
monday night into tuesday leading to periods of showers and 
thunderstorms. wet weather could persist into tuesday before high 
pressure from alberta/manitoba builds in by tuesday evening with a
drying effect.


lhz362-363-201000-
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-
949 pm edt sun jul 19 2026

.rest of tonight...southeast winds 5 to 10 knots veering to the
south after midnight. waves 2 feet or less. 
.monday...south winds 5 to 10 knots increasing to 15 to 20 knots
with gusts to around 30 knots. patchy smoke in the afternoon.
waves 1 to 3 feet building to 5 to 7 feet. waves occasionally
around 10 feet. 
.monday night...south winds 15 to 20 knots increasing to 20 to
25 knots after midnight. gusts to 30 knots. a chance of showers
in the evening...then showers likely after midnight. patchy
smoke. waves 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 west 15 to 20 knots with gusts to
around 30 knots early in the afternoon. showers likely in the
morning...then a chance of showers in the afternoon. waves 6 to
9 feet. waves occasionally around 12 feet. 
.tuesday night...northwest winds to 30 knots. a chance of showers
in the evening. waves 10 to 14 feet. waves occasionally around
18 feet. 
.wednesday...northwest winds to 30 knots decreasing to 10 to
15 knots. waves 8 to 12 feet. waves occasionally around 15 feet. 
.thursday...west winds 5 to 10 knots backing to the south . waves
3 to 5 feet subsiding to 1 to 3 feet. 
.friday...southwest winds 5 to 10 knots. waves 2 feet or less. 


$$

fzus63 kdtx 200149
glflh 
expires:202607201000;;262953

open lake forecast for lake huron
national weather service detroit/pontiac mi
949 pm edt sun jul 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 encompasses the great lakes tonight, 
then exits into the mid-atlantic on monday as a cold front reaches
the western great lakes. this front will pass across the region 
monday night into tuesday leading to periods of showers and 
thunderstorms. wet weather could persist into tuesday before high 
pressure from alberta/manitoba builds in by tuesday evening with a
drying effect.


lhz462>464-201000-
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-
949 pm edt sun jul 19 2026

.rest of tonight...light and variable winds. waves 2 feet or
less. 
.monday...southwest winds 5 to 10 knots becoming south 10 to
15 knots in the afternoon. patchy smoke. waves 1 to 3 feet. 
.monday night...south winds 15 to 20 knots. gusts to 30 knots
after midnight. patchy smoke. a chance of showers after midnight.
waves 3 to 5 feet building to 5 to 7 feet after midnight. waves
occasionally around 10 feet. 
.tuesday...southwest winds 15 to 20 knots with gusts to around
30 knots becoming west 10 to 15 knots early in the afternoon.
showers likely. waves 4 to 6 feet. waves occasionally around
8 feet. 
.tuesday night...northwest winds 15 to 20 knots increasing to
20 to 25 knots in the late evening and overnight. gusts to
30 knots. a chance of showers. waves 8 to 12 feet. waves
occasionally around 15 feet. 
.wednesday...northwest winds 20 to 25 knots with gusts to around
30 knots becoming northwest 20 to 25 knots. waves 8 to 12 feet.
waves occasionally around 15 feet. 
.thursday...west winds 5 to 10 knots backing to the southeast
early in the evening...then veering to the south by midnight.
waves 3 to 5 feet subsiding to 1 to 3 feet. 
.friday...southwest winds 5 to 10 knots veering to the north by
midnight. waves 2 feet or less. 


$$