fzus61 kbuf 180202
glflo 
expires:202605180900;;741002

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt sun may 17 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...high pressure will weaken to 30.0 inches across the 
lake tonight. an area of low pressure will develop over the central 
plains monday. the low will weaken from 29.4 inches to 29.6 inches 
as it tracks northeast to the upper great lakes monday night into 
tuesday morning, then to central quebec wednesday while 
strengthening to 29.4 inches. a cold front attendant to this low 
will cross the lake late tuesday night into wednesday morning. a 
large 30.4 inch high will then build across the entire great lakes 
region wednesday night through thursday. high pressure will move to 
the east and weaken to 30.1 inches friday.


loz062-180900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt sun may 17 2026

.overnight...southeast winds 5 to 10 knots becoming east. a
chance of showers and thunderstorms. waves 1 foot or less. 
.monday...southeast winds 10 knots or less becoming southwest and
increasing to 15 to 20 knots in the afternoon. waves 1 foot or
less building to 2 to 4 feet. 
.monday night...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of showers overnight. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.tuesday...southwest winds 10 to 15 knots increasing to 15 to
25 knots. a chance of showers in the morning. waves 1 to 3 feet
building to 3 to 6 feet. 
.tuesday night...southwest winds 15 to 25 knots becoming west.
showers with a chance of thunderstorms in the evening, then
showers overnight. waves 3 to 6 feet. 
.wednesday...west winds 15 to 20 knots becoming north 10 to
15 knots. a chance of showers during the day. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.thursday...northeast winds 10 knots or less becoming east. waves
2 feet or less. 
.friday...east winds 10 to 15 knots. a chance of showers friday
night. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 180135
glflh 
expires:202605180945;;740303

open lake forecast for lake huron
national weather service detroit/pontiac mi
935 pm edt sun may 17 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...a warm front lifts across lake huron this morning,
with southerly flow expanding across all of the local waters.
strong to severe thunderstorms are possible this afternoon-
evening and again tuesday as a cold front sweeps across the
region. high pressure, 30.50 inches, then builds in mid-week.


lhz362-363-180945-
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-
935 pm edt sun may 17 2026

.rest of tonight...east winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. showers and scattered thunderstorms this
evening...then scattered showers and thunderstorms after
midnight. waves 3 to 5 feet. 
.monday...south winds 15 to 20 knots. a chance of showers and
thunderstorms in the afternoon. waves 4 to 6 feet building to
5 to 7 feet late in the afternoon. waves occasionally around
10 feet. 
.monday night...south winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. a chance of showers
and thunderstorms in the evening...then a chance of showers after
midnight. waves 4 to 6 feet. waves occasionally around 8 feet. 
.tuesday...south winds 15 to 20 knots increasing to 20 to
25 knots in the late morning and afternoon. a chance of showers
in the morning...then showers likely in the afternoon. waves 4 to
6 feet building to 6 to 9 feet early in the afternoon. waves
occasionally around 12 feet. 
.tuesday night...southwest winds 20 to 25 knots becoming
northwest 15 to 20 knots with gusts to around 30 knots in the
late evening and overnight. waves 8 to 12 feet. waves
occasionally around 15 feet. 
.wednesday...northwest winds 15 to 20 knots. waves 6 to 9 feet
subsiding to 3 to 5 feet late in the evening. waves occasionally
around 12 feet. 
.thursday...north winds 5 to 10 knots early in the morning
becoming light and variable...then becoming northeast 5 to
10 knots . waves 1 to 3 feet. 
.friday...east winds 5 to 10 knots becoming northeast 10 to
15 knots early in the evening...then decreasing to 5 to 10 knots
by midnight. waves 2 feet or less. 


$$

fzus63 kdtx 180135
glflh 
expires:202605180945;;740304

open lake forecast for lake huron
national weather service detroit/pontiac mi
935 pm edt sun may 17 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...a warm front lifts across lake huron this morning,
with southerly flow expanding across all of the local waters.
strong to severe thunderstorms are possible this afternoon-
evening and again tuesday as a cold front sweeps across the
region. high pressure, 30.50 inches, then builds in mid-week.


lhz462>464-180945-
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-
935 pm edt sun may 17 2026

.rest of tonight...east winds 10 to 15 knots veering to the
southeast after midnight. scattered showers and thunderstorms
this evening...then scattered showers after midnight. waves 1 to
3 feet building to 2 to 4 feet after midnight. 
.monday...south winds 10 to 15 knots increasing to 15 to 20 knots
in the late morning and afternoon. a chance of showers and
thunderstorms in the afternoon. waves 3 to 5 feet. 
.monday night...south winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. showers likely and a
chance of thunderstorms in the evening...then a chance of showers
and thunderstorms after midnight. waves 3 to 5 feet. 
.tuesday...south winds 15 to 20 knots. a chance of showers in the
morning...then showers and a chance of thunderstorms in the
afternoon. waves 3 to 5 feet. 
.tuesday night...southwest winds 15 to 20 knots veering to the
west by midnight...then becoming northwest 10 to 15 knots after
midnight. a chance of showers and thunderstorms in the evening.
waves 4 to 6 feet. waves occasionally around 8 feet. 
.wednesday...northwest winds 10 to 15 knots. waves 3 to 5 feet. 
.thursday...northeast winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.friday...east winds 5 to 10 knots backing to the northeast by
midnight. waves 2 feet or less. 


$$