fzus61 kbuf 072103
glflo 
expires:202603080400;;805403

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est sat mar 7 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 29.7 inch low will move across southern quebec with 
its trailing cold front crossing the lake tonight. a large 30.1 inch 
high will then move from the lower ohio valley to the mid atlantic 
region tomorrow and monday while ridging north across the lake. a 
28.9 inch low will move across james bay monday while pressure 
averages 30.0 inches across the lake tuesday. a cold front from this 
low will stall near the lake tuesday, lifting northward wednesday as 
a 29.5 wave of low pressure ripples along the front, with this wave 
passing just to the west of the lake wednesday night.


loz062-063-080400-
lake ontario open waters from the niagara river to sodus bay-
402 pm est sat mar 7 2026

.tonight...southwest winds 15 to 25 knots becoming west. rain
showers likely with a chance of thunderstorms early, then a
chance of rain showers. patchy fog. waves 4 to 7 feet subsiding
to 3 to 6 feet. waves occasionally around 9 feet. 
.sunday...west winds 15 to 25 knots becoming southwest. waves
3 to 6 feet. 
.sunday night...southwest winds 15 to 25 knots. waves 3 to
6 feet. 
.monday...southwest winds 15 to 25 knots. waves 3 to 6 feet. 
.monday night...southwest winds 15 to 20 knots diminishing to
5 to 15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...south winds 5 to 10 knots becoming east and increasing
to 15 to 25 knots. rain showers tuesday night. waves 2 feet or
less building to 3 to 5 feet. 
.wednesday...southeast winds to 30 knots becoming west. rain
showers during the day, then rain showers with snow showers
likely wednesday night. waves 4 to 7 feet building to 7 to
10 feet. waves occasionally around 13 feet. 
.thursday...west gales to 35 knots diminishing to 30 knots. snow
and rain showers likely during the day. waves 10 to 15 feet
subsiding to 9 to 12 feet. waves occasionally around 19 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 072103
glflo 
expires:202603080400;;805404

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est sat mar 7 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 29.7 inch low will move across southern quebec with 
its trailing cold front crossing the lake tonight. a large 30.1 inch 
high will then move from the lower ohio valley to the mid atlantic 
region tomorrow and monday while ridging north across the lake. a 
28.9 inch low will move across james bay monday while pressure 
averages 30.0 inches across the lake tuesday. a cold front from this 
low will stall near the lake tuesday, lifting northward wednesday as 
a 29.5 wave of low pressure ripples along the front, with this wave 
passing just to the west of the lake wednesday night.


loz064-065-080400-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 pm est sat mar 7 2026

.tonight...southwest winds 15 to 20 knots becoming west. rain
showers this evening, then a chance of rain showers after
midnight. areas of fog. waves 3 to 6 feet. 
.sunday...west winds 15 to 20 knots becoming southwest. waves
3 to 6 feet subsiding to 2 to 4 feet. 
.sunday night...southwest winds 15 to 20 knots becoming south.
waves 3 to 6 feet subsiding to 2 to 4 feet. 
.monday...south winds 15 to 20 knots becoming southwest. waves
2 to 4 feet. 
.monday night...southwest winds 5 to 15 knots becoming south.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...south winds 5 to 10 knots becoming east and increasing
to 15 to 20 knots. rain showers likely tuesday night. waves 1 to
3 feet building to 3 to 5 feet. 
.wednesday...southeast winds to 30 knots becoming southwest. rain
showers during the day, then rain showers with snow showers
likely wednesday night. waves 3 to 5 feet building to 7 to
10 feet. waves occasionally around 13 feet. 
.thursday...west gales to 35 knots diminishing to 30 knots. snow
and rain showers likely during the day, then a chance of snow
showers thursday night. waves 10 to 15 feet building to 12 to
16 feet, then subsiding to 9 to 12 feet. waves occasionally
around 20 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 072010
glfle 
expires:202603080315;;803511

open lake forecast for lake erie
national weather service cleveland oh
310 pm est sat mar 7 2026

for waters beyond five nautical miles of shore on lake erie

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 strong cold front will sweep eastward across lake erie this 
evening. behind the front, a ridge averaging 29.90 inches builds
southeast across the area on sunday before departing on sunday 
night. a cold front will move southeast and stall in vicinity of 
the southwestern great lakes and southern ontario, remaining
across lake erie through tuesday night. low pressure will deepen 
to 29.50 inches as it tracks along this front on wednesday, 
bringing the strong cold front south across the area wednesday 
evening. high pressure 30.10 inches builds across the area on 
thursday.


lez061-167>169-080315-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
310 pm est sat mar 7 2026

.tonight...southwest winds 15 to 20 knots becoming west 10 to
15 knots. rain showers likely with a slight chance of
thunderstorms early, then rain showers likely late this evening.
a chance of rain showers after midnight. the lake is mostly ice
covered.
.sunday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. 
.sunday night...southwest winds 15 to 20 knots. 
.monday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. 
.monday night...southwest winds 10 to 15 knots becoming south. 
.tuesday...south winds 5 to 10 knots increasing to 15 to
20 knots. rain with a chance of thunderstorms tuesday night. 
.wednesday...south winds 15 to 25 knots becoming west. rain
during the day, then rain and snow wednesday night. 
.thursday...west winds to 30 knots diminishing to 15 to 25 knots.
a chance of snow during the day. 

winds and waves higher in and near thunderstorms.

waves omitted due to the lake being mostly ice covered.

$$