fzus61 kbuf 120205
glflo 
expires:202604120900;;219131

open lake forecast for lake ontario
national weather service buffalo ny
1005 pm edt sat apr 11 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 30.5 inch area of high pressure over the lake this 
evening, will slip towards new england later tonight and sunday and 
off the coast sunday night. a 29.4 inch low will then move 
northeastward from the upper midwest sunday to near james bay sunday 
night, while pushing an attendant warm front across the lake on 
sunday. this low will strengthen to 29.2 inches while continuing to 
trek northeast into northern quebec monday, with a trailing cold 
front stalling near the lake monday through tuesday. a 29.5 inch 
surface low advancing through the upper great lakes wednesday will 
lift this frontal boundary northward into canada. this 29.5 inch low 
will continue northeast into central quebec on thursday while 
dragging an attendant cold front across the lake. a 30.2 inch high 
will then build over the lower great lakes thursday night and friday.


loz062-120900-
lake ontario open waters from the niagara river to hamlin beach-
1005 pm edt sat apr 11 2026

.overnight...northwest winds less than 10 knots becoming
southeast. waves 1 foot or less. 
.sunday...southeast winds 5 to 10 knots becoming east. a chance
of rain showers late in the morning. rain showers in the
afternoon. waves 2 feet or less. 
.sunday night...southeast winds 10 to 15 knots becoming southwest
and increasing to 15 to 25 knots. showers likely. waves 1 to
2 feet building to 3 to 6 feet. 
.monday...southwest winds 20 to 25 knots. showers. waves 3 to
6 feet building to 4 to 7 feet. waves occasionally around 9 feet.
.monday night...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of showers. waves 3 to 6 feet subsiding
to 1 to 2 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. showers likely. waves 1 to 3 feet building to 2 to
4 feet. 
.wednesday...southwest winds 15 to 20 knots. showers likely
during the day, then showers likely with a chance of
thunderstorms wednesday night. waves 2 to 4 feet. 
.thursday...southwest winds 15 to 20 knots becoming west 5 to
15 knots. a chance of showers. waves 2 to 4 feet subsiding to
1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 120721
glflh 
expires:202604121530;;232006

open lake forecast for lake huron
national weather service detroit/pontiac mi
321 am edt sun apr 12 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 exits this morning giving way to an
active stretch of weather. expect several rounds of showers,
thunderstorms, and gusty winds through thursday with multiple
passing disturbances.


lhz361-362-121530-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
321 am edt sun apr 12 2026

.today...southeast winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots in the late morning and
early afternoon...then decreasing to 15 to 20 knots late in the
afternoon. showers. waves 5 to 7 feet. waves occasionally around
10 feet. 
.tonight...southeast winds 15 to 20 knots becoming southwest
20 to 25 knots with gusts to around 30 knots in the late evening
and overnight. a chance of showers and thunderstorms in the
evening...then a chance of showers after midnight. waves 6 to
9 feet. waves occasionally around 12 feet. 
.monday...southwest winds 15 to 20 knots becoming west 10 to
15 knots in the late morning and afternoon. a chance of showers
in the morning. waves 5 to 7 feet. waves occasionally around
10 feet. 
.monday night...west winds 5 to 10 knots veering to the northeast
by midnight...then becoming east 10 to 15 knots after midnight. a
chance of showers in the evening...then showers and a chance of
thunderstorms after midnight. waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight. 
.tuesday...east winds 15 to 20 knots becoming northeast 10 to
15 knots late in the morning...then becoming northwest 5 to
10 knots late in the afternoon. showers and a chance of
thunderstorms in the morning. a chance of showers. waves 3 to
5 feet. 
.wednesday...north winds 10 to 15 knots becoming northeast 5 to
10 knots early in the evening...then becoming east 10 to 15 knots
by midnight. a chance of showers. showers likely by midnight.
waves 3 to 5 feet. 
.thursday...east winds 15 to 20 knots becoming southwest 10 to
15 knots early in the evening...then veering to the northwest by
midnight. showers likely early in the morning...then a chance of
showers until early evening. waves 3 to 5 feet subsiding to 2 to
4 feet by midnight. 


$$

fzus63 kdtx 120721
glflh 
expires:202604121530;;232007

open lake forecast for lake huron
national weather service detroit/pontiac mi
321 am edt sun apr 12 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 exits this morning giving way to an
active stretch of weather. expect several rounds of showers,
thunderstorms, and gusty winds through thursday with multiple
passing disturbances.


lhz363-462>464-121530-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
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-
321 am edt sun apr 12 2026

.today...southeast winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. showers in the
morning...then showers likely in the afternoon. waves 3 to 5 feet
building to 5 to 7 feet in the afternoon. waves occasionally
around 10 feet. 
.tonight...south winds 15 to 20 knots becoming southwest 20 to
25 knots after midnight. showers likely. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.monday...southwest winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. a chance of showers in the
morning. waves 4 to 6 feet. 
.monday night...north winds 5 to 10 knots veering to the east by
midnight...then becoming south 10 to 15 knots after midnight. a
chance of showers in the evening...then a chance of showers and
thunderstorms after midnight. waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight. waves occasionally
around 8 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. a chance of thunderstorms in the morning. a chance of
showers. showers likely late in the evening. waves 2 to 4 feet. 
.wednesday...north winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and early afternoon...then veering
to the southeast . a chance of showers early in the morning.
showers likely . waves 3 to 5 feet. 
.thursday...south winds 15 to 20 knots becoming southwest 10 to
15 knots early in the evening...then becoming west 5 to 10 knots
by midnight. a chance of showers. waves 3 to 5 feet subsiding to
1 to 3 feet by midnight. 


$$