fzus61 kbuf 171402
glflo 
expires:202605172100;;712483

open lake forecast for lake ontario
national weather service buffalo ny
1002 am 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...a 29.4 inch low over the upper mississippi valley today 
will weaken to 29.7 inches as it moves northeast into the upper 
great lakes tonight while swinging an attendant warm front across 
the lake. another 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.


loz062-172100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt sun may 17 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 171340
glflh 
expires:202605172145;;711927

open lake forecast for lake huron
national weather service detroit/pontiac mi
940 am 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 cold front stalls over southern lake huron this
morning. isolated strong to severe thunderstorms are possible
near the frontal zones this afternoon and may linger through late
tonight. the front lifts north as a warm front overnight,
resulting in a period of breezy southerly flow and thunderstorm
chances through the first half of the work week.


lhz362-363-172145-
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-
940 am edt sun may 17 2026

.rest of today...north winds 5 to 10 knots becoming northeast
10 to 15 knots late in the afternoon. waves 1 to 3 feet. 
.tonight...east winds 10 to 15 knots. a chance of showers. waves
1 to 3 feet building to 2 to 4 feet in the late evening and
overnight. 
.monday...southeast winds 15 to 20 knots. a chance of showers in
the afternoon. waves 5 to 7 feet. 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. showers in the
evening...then showers likely and a chance of thunderstorms after
midnight. waves 5 to 7 feet. waves occasionally around 10 feet. 
.tuesday...south winds 15 to 20 knots increasing to 20 to
25 knots late in the morning...then becoming west 15 to 20 knots
late in the evening. a chance of showers. waves 5 to 7 feet
building to 8 to 12 feet late in the evening. waves occasionally
around 15 feet. 
.wednesday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots by midnight. waves 6 to 9 feet. waves occasionally
around 12 feet. 
.thursday...north winds 5 to 10 knots veering to the northeast by
midnight. waves 3 to 5 feet subsiding to 2 feet or less . 


$$

fzus63 kdtx 171340
glflh 
expires:202605172145;;711928

open lake forecast for lake huron
national weather service detroit/pontiac mi
940 am 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 cold front stalls over southern lake huron this
morning. isolated strong to severe thunderstorms are possible
near the frontal zones this afternoon and may linger through late
tonight. the front lifts north as a warm front overnight,
resulting in a period of breezy southerly flow and thunderstorm
chances through the first half of the work week.


lhz462>464-172145-
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-
940 am edt sun may 17 2026

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


$$