fzus61 kbuf 301402
glflo 
expires:202506302100;;642691

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt mon jun 30 2025

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 29.6 inch low will move from northwest ontario 
province today to east of hudson bay tuesday while deepening to 29.2 
inches. a cold front trailing this low will cross the lake tuesday 
morning. a 29.9 inch high will build into the upper great lakes 
wednesday and thursday. the high will then strengthen to 30.1 inches 
as it centers over the lake on friday.


loz062-302100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt mon jun 30 2025

.this afternoon...east winds 10 knots or less. a chance of showers
and thunderstorms late. waves 1 foot or less. 
.tonight...southeast winds 5 to 10 knots becoming southwest.
showers with a chance of thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight. waves 1 foot
or less. 
.tuesday...southwest winds 10 to 15 knots becoming west. a chance
of showers and thunderstorms in the morning. waves 1 to 2 feet. 
.tuesday night...west winds 10 to 15 knots. waves 1 to 2 feet. 
.wednesday...west winds 10 to 15 knots becoming southwest. waves
1 to 2 feet. 
.thursday...west winds 10 to 15 knots becoming northwest. waves
1 to 2 feet. 
.friday...northwest winds 5 to 10 knots becoming southwest. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 301941
glflh 
expires:202507010400;;656257

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm edt mon jun 30 2025

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 is moving across the great lakes this
afternoon with scattered showers and thunderstorms through the
evening. westerly winds up to 15 to 20 knots to follow for
tuesday as high pressure builds across the midwest. the next weak
cold front passes through late wednesday into thursday.


lhz362-363-010400-
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-
341 pm edt mon jun 30 2025

.tonight...east winds 5 to 10 knots backing to the north in the
late evening and early morning...then backing to the west early
in the morning. a chance of showers and thunderstorms in the
evening. waves 2 feet or less. 
.tuesday...west winds 5 to 10 knots. waves 1 to 3 feet. 
.tuesday night...north winds 5 to 10 knots backing to the west in
the late evening and overnight. waves 1 to 3 feet. 
.wednesday...southwest winds 5 to 10 knots backing to the south
early in the afternoon. waves 2 feet or less. 
.wednesday night...southwest winds 5 to 10 knots veering to the
west in the late evening and overnight. waves 2 feet or less. 
.thursday...northwest winds 5 to 10 knots becoming light and
variable. waves 2 feet or less. 
.friday...light and variable winds becoming southeast 5 to
10 knots in the late morning and early afternoon...then
increasing to 10 to 15 knots until early morning. waves 2 feet or
less. 
.saturday...south winds 10 to 15 knots increasing to 15 to
20 knots until early evening...then decreasing to 10 to 15 knots
in the late evening and early morning. a chance of showers. waves
3 to 5 feet. 


$$

fzus63 kdtx 301941
glflh 
expires:202507010400;;656258

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm edt mon jun 30 2025

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 is moving across the great lakes this
afternoon with scattered showers and thunderstorms through the
evening. westerly winds up to 15 to 20 knots to follow for
tuesday as high pressure builds across the midwest. the next weak
cold front passes through late wednesday into thursday.


lhz462>464-010400-
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-
341 pm edt mon jun 30 2025

.tonight...south winds 5 to 10 knots veering to the west after
midnight. a chance of showers and thunderstorms in the evening.
waves 2 feet or less. 
.tuesday...west winds 5 to 10 knots. waves 2 feet or less. 
.tuesday night...north winds 5 to 10 knots backing to the west
after midnight. waves 2 feet or less. 
.wednesday...southwest winds 5 to 10 knots. waves 2 feet or less.
.wednesday night...southwest winds 5 to 10 knots veering to the
west after midnight. waves 2 feet or less. 
.thursday...northwest winds 5 to 10 knots veering to the
northeast late in the afternoon...then becoming light and
variable late in the evening. waves 2 feet or less. 
.friday...light and variable winds becoming southeast 5 to
10 knots until early evening...then becoming south 10 to 15 knots
in the late evening and early morning. waves 2 feet or less. 
.saturday...south winds 10 to 15 knots. a chance of showers and
thunderstorms until early morning. waves 1 to 3 feet building to
2 to 4 feet until early morning. 


$$