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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt mon apr 27 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 30.3 inch high will build across the lower great lakes 
through monday. a 29.4 inch low over the great plains monday night 
will advance northeast into the upper great lakes later monday night 
into tuesday morning, while pushing a warm front across the lake. 
the low will head northeast to james bay tuesday night sending a 
cold front across the lake. an inverted trough averaging 29.7 inch 
inverted trough is expected across the lower great lakes wednesday 
through wednesday night. the trough/low will track to the coast of 
new england through friday while also deepening to 29.5 inches.


loz062-271500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt mon apr 27 2026

.today...east winds 10 knots or less increasing to 10 to
15 knots. waves 1 to 3 feet. 
.tonight...east winds 15 to 20 knots becoming southeast 10 to
15 knots. waves 2 to 4 feet. 
.tuesday...southeast winds 15 to 20 knots becoming south.
showers. waves 2 to 4 feet. 
.tuesday night...southwest winds 15 to 20 knots becoming
northwest and diminishing to less than 10 knots overnight. a
chance of showers in the evening. waves 1 to 3 feet. 
.wednesday...north winds 5 to 15 knots becoming northwest 15 to
20 knots. showers. waves 1 foot or less building to 2 to 4 feet. 
.thursday...northwest winds 15 to 20 knots. a chance of rain
showers during the day. waves 2 to 4 feet building to 3 to
5 feet. 
.friday...northwest winds 15 to 20 knots. waves 3 to 6 feet. 

$$

fzus63 kdtx 270733
glflh 
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open lake forecast for lake huron
national weather service detroit/pontiac mi
333 am edt mon apr 27 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, 30.20 inches, holds over the
great lakes through early monday. the next low, 29.30 inches,
lifts into the northern great lakes late monday-tuesday bringing
stronger southerly winds and the next chance for thunderstorms.


lhz362-363-271545-
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-
333 am edt mon apr 27 2026

.today...southeast winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. waves 1 to 3 feet building to 3 to
5 feet in the afternoon. 
.tonight...southeast winds 15 to 20 knots increasing to 30 knots
with gusts to 35 knot gales. showers likely after midnight. waves
5 to 7 feet building to 8 to 12 feet after midnight. waves
occasionally around 15 feet. 
.tuesday...south winds 20 to 25 knots with gusts to 35 knot gales
decreasing to 15 to 20 knots with gusts to around 30 knots in the
late morning and afternoon. showers likely in the morning. waves
8 to 12 feet. waves occasionally around 15 feet. 
.tuesday night...west winds 10 to 15 knots becoming northwest
5 to 10 knots in the late evening and overnight. waves 3 to
5 feet. 
.wednesday...northwest winds 5 to 10 knots becoming north 10 to
15 knots late in the morning...then backing to the northwest late
in the afternoon increasing to 15 to 20 knots late in the
evening. waves 1 to 3 feet building to 3 to 5 feet late in the
afternoon. 
.thursday...northwest winds 10 to 15 knots increasing to 15 to
20 knots by midnight. waves 3 to 5 feet. 
.friday...northwest winds 10 to 15 knots increasing to 15 to
20 knots . waves 3 to 5 feet. 


$$

fzus63 kdtx 270733
glflh 
expires:202604271545;;598899

open lake forecast for lake huron
national weather service detroit/pontiac mi
333 am edt mon apr 27 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, 30.20 inches, holds over the
great lakes through early monday. the next low, 29.30 inches,
lifts into the northern great lakes late monday-tuesday bringing
stronger southerly winds and the next chance for thunderstorms.


lhz462>464-271545-
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-
333 am edt mon apr 27 2026

.today...southeast winds 10 to 15 knots. waves 1 to 3 feet
building to 2 to 4 feet in the afternoon. 
.tonight...southeast winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots in the late evening and
overnight. showers and a chance of thunderstorms after midnight.
waves 4 to 6 feet building to 6 to 9 feet after midnight. waves
occasionally around 12 feet. 
.tuesday...south winds 20 to 25 knots with gusts to around
30 knots becoming southwest 15 to 20 knots in the late morning
and afternoon. a chance of showers in the morning. waves 6 to
9 feet. waves occasionally around 12 feet. 
.tuesday night...west winds 10 to 15 knots becoming north 5 to
10 knots in the late evening and overnight. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.wednesday...north winds 5 to 10 knots increasing to 15 to
20 knots. a chance of showers in the morning. waves 1 to 3 feet
building to 3 to 5 feet. 
.thursday...northwest winds 10 to 15 knots. waves 3 to 5 feet
subsiding to 2 to 4 feet . 
.friday...northwest winds 10 to 15 knots. waves 2 to 4 feet. 


$$