fzus61 kbuf 200210
glflo 
expires:202604200900;;666132

open lake forecast for lake ontario
national weather service buffalo ny
1009 pm edt sun apr 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...behind a passing cold front, a 30.4 inch high will 
settle southeast across the great lakes through monday night, before 
sliding off the mid-atlantic coast tuesday. a 29.4 inch low over 
lower hudson bay tuesday, will weaken to 29.9 inches by wednesday, 
while pushing an attendant weak cold front across the lake tuesday 
night. a 30.2 inch high will then build across the great lakes 
region wednesday and thursday. a warm front will then approach the 
lake by friday.


loz062-200900-
lake ontario open waters from the niagara river to hamlin beach-
1009 pm edt sun apr 19 2026

.rest of tonight...northwest winds 15 to 20 knots. a chance of
snow and rain showers late this evening. a chance of snow showers
late. waves 2 to 4 feet. 
.monday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday night...northwest winds 5 to 15 knots becoming south
10 knots or less. waves 1 to 3 feet subsiding to 1 foot or less. 
.tuesday...south winds 10 to 15 knots becoming southeast. waves
1 to 3 feet. 
.tuesday night...southeast winds 5 to 10 knots becoming
northeast. waves 2 feet or less. 
.wednesday...northeast winds 10 knots or less becoming northwest.
waves 1 foot or less. 
.thursday...east winds 10 knots or less. waves 1 foot or less. 
.friday...east winds 10 to 15 knots increasing to 15 to 20 knots.
a chance of showers. waves 1 to 3 feet. 

$$

fzus63 kdtx 200714
glflh 
expires:202604201515;;679393

open lake forecast for lake huron
national weather service detroit/pontiac mi
314 am edt mon apr 20 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 builds in on monday, then gusty south
wind develops tuesday ahead of the next cold front set to pass
through tuesday night. another area of high pressure settles into
the region on wednesday.


lhz361>363-201515-
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-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
314 am edt mon apr 20 2026

.today...northwest winds 10 to 15 knots becoming west 5 to
10 knots in the late morning and afternoon. waves 3 to 5 feet
subsiding to 1 to 3 feet late in the afternoon. 
.tonight...southeast winds 10 to 15 knots becoming south 15 to
20 knots in the late evening and overnight. waves 1 to 3 feet
building to 5 to 7 feet. waves occasionally around 10 feet. 
.tuesday...south winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and early afternoon...then veering
to the south 10 to 15 knots early in the afternoon. waves 6 to
9 feet. waves occasionally around 12 feet. 
.tuesday night...northeast winds 5 to 10 knots. waves 3 to 5 feet
subsiding to 1 to 3 feet after midnight. 
.wednesday...north winds 5 to 10 knots becoming light and
variable...then becoming east 5 to 10 knots late in the evening.
waves 2 feet or less. 
.thursday...southeast winds 5 to 10 knots becoming east 15 to
20 knots. waves 2 to 4 feet building to 5 to 7 feet . waves
occasionally around 10 feet. 
.friday...east winds 15 to 20 knots decreasing to 10 to 15 knots
early in the evening...then increasing to 15 to 20 knots by
midnight. a chance of showers . waves 6 to 9 feet. waves
occasionally around 12 feet. 


$$

fzus63 kdtx 200714
glflh 
expires:202604201515;;679394

open lake forecast for lake huron
national weather service detroit/pontiac mi
314 am edt mon apr 20 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 builds in on monday, then gusty south
wind develops tuesday ahead of the next cold front set to pass
through tuesday night. another area of high pressure settles into
the region on wednesday.


lhz462>464-201515-
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-
314 am edt mon apr 20 2026

.today...northwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the afternoon...then veering to the northwest
5 to 10 knots late in the afternoon. waves 4 to 6 feet subsiding
to 2 to 4 feet late in the afternoon. waves occasionally around
8 feet. 
.tonight...southeast winds 5 to 10 knots becoming south 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet after
midnight. 
.tuesday...south winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. sprinkles in the morning. waves
5 to 7 feet. waves occasionally around 10 feet. 
.tuesday night...south winds 5 to 10 knots backing to the north
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 becoming light and
variable. waves 2 feet or less. 
.thursday...southeast winds 5 to 10 knots increasing to 10 to
15 knots . waves 1 to 3 feet building to 2 to 4 feet by midnight.
.friday...southeast winds 15 to 20 knots decreasing to 10 to
15 knots . a chance of showers . waves 3 to 5 feet. 


$$