fzus61 kbuf 182009
glflo 
expires:202604190300;;598718

open lake forecast for lake ontario
national weather service buffalo ny
409 pm edt sat apr 18 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 29.5 inch low east of lake superior this afternoon 
will move to james bay and deepen to 29.0 inches, while pushing a 
trailing strong cold front across the lake this afternoon and 
evening. a 30.4 inch high will then settle southeast across the 
great lakes sunday 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.


loz062-190300-
lake ontario open waters from the niagara river to hamlin beach-
409 pm edt sat apr 18 2026

.tonight...west winds 15 to 20 knots becoming northwest 10 to
15 knots. rain showers early, then a chance of rain showers. a
chance of rain and snow showers late. waves 2 to 3 feet. 
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots.
a chance of rain showers late. waves 2 to 4 feet. 
.sunday night...west winds 15 to 20 knots becoming northwest. a
chance of rain showers in the evening. waves 2 to 4 feet. 
.monday...northwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday night...northwest winds 5 to 15 knots becoming southwest.
waves 1 to 3 feet. 
.tuesday...south winds 15 to 20 knots becoming west 10 to
15 knots. waves 1 to 3 feet. 
.wednesday...north winds 10 knots or less. waves 1 foot or less. 
.thursday...northeast winds 10 knots or less becoming east. waves
1 foot or less. 

$$

fzus63 kdtx 181933
glflh 
expires:202604190400;;597253

open lake forecast for lake huron
national weather service detroit/pontiac mi
333 pm edt sat apr 18 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...colder air filters into the region this weekend,
maintaining gusty northwesterly winds. a secondary cold front
passes across the region on sunday, then high pressure settles in
on monday. milder southerly flow early tuesday precedes the next
cold front set to pass through late tuesday.


lhz361>363-190400-
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-
333 pm edt sat apr 18 2026

.tonight...west winds 10 to 15 knots becoming southwest 5 to
10 knots early in the morning. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.sunday...southwest winds 10 to 15 knots becoming west 15 to
20 knots early in the afternoon...then becoming northwest 20 to
25 knots with gusts to around 30 knots late in the afternoon.
waves 4 to 6 feet building to 6 to 9 feet late in the afternoon.
waves occasionally around 12 feet. 
.sunday night...northwest winds 20 to 25 knots with gusts to
around 30 knots decreasing to 15 to 20 knots after midnight.
waves 8 to 12 feet. waves occasionally around 15 feet. 
.monday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. waves 4 to 6 feet
subsiding to 2 to 4 feet early in the afternoon. waves
occasionally around 8 feet. 
.monday night...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 4 to 6 feet in the late evening and overnight.
waves occasionally around 8 feet. 
.tuesday...south winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots late in the morning...then
decreasing to 10 to 15 knots late in the afternoon veering to the
northwest late in the evening. waves 6 to 9 feet subsiding to
3 to 5 feet late in the evening. waves occasionally around
12 feet. 
.wednesday...north winds 10 to 15 knots becoming northeast 5 to
10 knots 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 1 to 3 feet.
.thursday...southeast winds 5 to 10 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 5 to 7 feet. waves
occasionally around 10 feet. 


$$

fzus63 kdtx 181933
glflh 
expires:202604190400;;597254

open lake forecast for lake huron
national weather service detroit/pontiac mi
333 pm edt sat apr 18 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...colder air filters into the region this weekend,
maintaining gusty northwesterly winds. a secondary cold front
passes across the region on sunday, then high pressure settles in
on monday. milder southerly flow early tuesday precedes the next
cold front set to pass through late tuesday.


lhz462>464-190400-
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 pm edt sat apr 18 2026

.tonight...west winds 5 to 10 knots increasing to 10 to 15 knots
by midnight...then decreasing to 5 to 10 knots early in the
morning. waves 1 to 3 feet. 
.sunday...west winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and early afternoon...then veering to the
west 10 to 15 knots late in the afternoon. a chance of showers in
the afternoon. waves 1 to 3 feet building to 2 to 4 feet late in
the afternoon. 
.sunday night...northwest winds 15 to 20 knots. waves 6 to
9 feet. waves occasionally around 12 feet. 
.monday...northwest winds 15 to 20 knots decreasing to 5 to
10 knots. waves 4 to 6 feet. waves occasionally around 8 feet. 
.monday night...east winds 5 to 10 knots becoming south 10 to
15 knots by midnight...then increasing to 15 to 20 knots after
midnight. waves 1 to 3 feet building to 4 to 6 feet after
midnight. waves occasionally around 8 feet. 
.tuesday...south winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots late in the morning...then
decreasing to 10 to 15 knots late in the afternoon veering to the
northwest late in the evening. waves 4 to 6 feet subsiding to
2 to 4 feet late in the evening. waves occasionally around
8 feet. 
.wednesday...north winds 10 to 15 knots becoming light and
variable. waves 1 to 3 feet. 
.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.


$$