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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt tue sep 29 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 29.8 inch low along the southern shores of cape cod 
will northeast along the new england coast today while filling to 
29.9 inches. this low will finally dissipate over the north atlantic 
wednesday as a 30.1 inch high builds to just off the mid atlantic 
coast. a cold front over the upper great lakes wednesday night will 
cross the lower great lakes thursday night. a 30.4 inch high is then 
forecast to build into the upper great lakes friday and the lower 
great lakes by saturday, before exiting into northern maine sunday.


loz062-291500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt tue sep 29 2026

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

$$

fzus63 kdtx 291339
glflh 
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open lake forecast for lake huron
national weather service detroit/pontiac mi
939 am edt tue sep 29 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...broad high pressure, 30.10 inches, drifts across the
great lakes this morning. calm winds organize out of the
southwest ahead of a more unsettled pattern to close out of the
work week. a strong cold front brings a pattern shift friday into
this weekend.


lhz362-363-292145-
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-
939 am edt tue sep 29 2026

.rest of today...light and variable winds becoming southeast 5 to
10 knots late in the afternoon. waves 2 feet or less. 
.tonight...southeast winds 5 to 10 knots becoming south 10 to
15 knots by midnight...then veering to the southwest early in the
morning. waves 1 to 3 feet. 
.wednesday...south winds 10 to 15 knots increasing to 15 to
20 knots early in the afternoon. a chance of showers. waves 1 to
3 feet building to 3 to 5 feet in the late morning and afternoon.
.wednesday night...south winds 15 to 20 knots. a chance of
showers in the evening...then showers after midnight. waves 3 to
5 feet. 
.thursday...southwest winds 10 to 15 knots veering to the
northwest late in the afternoon. showers likely...then a chance
of showers late in the afternoon. waves 3 to 5 feet. 
.friday...northwest winds 10 to 15 knots increasing to 15 to
20 knots early in the evening...then decreasing to 10 to 15 knots
by midnight. a chance of showers early in the morning. waves 2 to
4 feet subsiding to 1 to 3 feet in the late morning and early
afternoon...then building to 3 to 5 feet . 
.saturday...north winds 5 to 10 knots veering to the northeast in
the late morning and early afternoon...then becoming light and
variable early in the evening becoming east 5 to 10 knots by
midnight. waves 2 to 4 feet subsiding to 2 feet or less. 


$$

fzus63 kdtx 291339
glflh 
expires:202609292145;;247846

open lake forecast for lake huron
national weather service detroit/pontiac mi
939 am edt tue sep 29 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...broad high pressure, 30.10 inches, drifts across the
great lakes this morning. calm winds organize out of the
southwest ahead of a more unsettled pattern to close out of the
work week. a strong cold front brings a pattern shift friday into
this weekend.


lhz462>464-292145-
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-
939 am edt tue sep 29 2026

.rest of today...light and variable winds becoming southeast 5 to
10 knots late in the afternoon. patchy fog. waves 2 feet or less.
.tonight...southeast winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. waves 2 feet or less.
.wednesday...south winds 10 to 15 knots. a chance of showers in
the afternoon. waves 1 to 3 feet. 
.wednesday night...south winds 10 to 15 knots. a chance of
showers. waves 2 to 4 feet. 
.thursday...southwest winds 10 to 15 knots becoming west 5 to
10 knots late in the afternoon...then becoming north 10 to
15 knots late in the evening. showers likely in the morning...
then showers late in the morning. rain showers likely late in the
evening. waves 2 to 4 feet subsiding to 1 to 3 feet late in the
afternoon...then building to 2 to 4 feet late in the evening. 
.friday...north winds 10 to 15 knots increasing to 15 to 20 knots
by midnight. a chance of showers early in the morning. waves 2 to
4 feet. 
.saturday...north winds 10 to 15 knots becoming east 5 to
10 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 


$$