Ontario Beach-Rochester Surf Break

Lat Long: 43.25° N 77.52° W

Ontario Beach-Rochester Surf Forecast and Surf Report

Issued: 7 pm 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's Ontario Beach-Rochester sea temperature is
22.3° C
0.8° 

Ontario Beach-Rochester surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

The Lowdown

Alright folks, Rusty here. Let’s take a look at what’s going on in the water over the next couple of weeks.

Honestly, I gotta call it straight – this is a tough one. We’re looking at a 16-day window with no real surf on offer. The first record we have is for Friday, August 7th, and from there right through to Saturday, August 22nd, there’s just nothing doing. The forecast shows zero swell energy across the entire period, with the combined energy sitting at 0. That’s a flat spell, plain and simple.

For Ontario Beach, it’s a real bummer. We’re seeing a lot of days with cross-shore and cross-onshore winds, and even when the wind goes light or glassy, there’s simply no wave to ride. The water temperature is about average for the time of year, but without a bump in the swell, that doesn’t help us one bit. The break is inconsistent, and this dry run is a bit more normal for the area when the lake goes quiet.

If you’re desperate for a paddle, keep an eye on the forecast. It tends not to stay poor forever, and a change could come. But as it stands, leave your board in the car and go do something else. There’s nothing worth getting wet for.

Rusty.

Short Range Forecast

Light rain (total 8mm), mostly falling on Sat morning. Warm (max 29°C on Sat afternoon, min 20°C on Sun morning). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 8mm), mostly falling on Mon night. Warm (max 27°C on Mon afternoon, min 19°C on Tue night). Winds decreasing (fresh winds from the SW on Mon night, calm by Wed afternoon).

Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Wind (km/h)
10
SW
5
WSW
5
SSE
10
S
15
SW
20
W
10
W
20
WNW
5
NW
15
SSW
20
W
5
N
30
W
15
WNW
10
WNW
10
WNW
15
WNW
5
NW
10
E
Wind State
cross-off
glassy
glassy
off
cross-off
cross
cross-on
cross-on
cross-on
cross-off
cross
on
cross
cross-on
cross-on
cross-on
cross-on
glassy
cross-off
High Tide
Low Tide
part cloud
light rain
rain showers
part cloud
rain showers
thunderstorm
clear
clear
part cloud
clear
part cloud
part cloud
rain showers
clear
clear
part cloud
clear
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:07
6:07
6:09
6:09
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:25
8:23
8:22
8:22
8:20
8:19
8:16
 mm
2
1
4
1
8
5
Temp °C
26
21
25
24
25
29
27
23
26
25
26
27
22
23
24
24
22
25
24
Feels °C
29
23
28
26
27
30
26
21
26
25
26
28
23
23
24
25
20
24
23
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Ontario Beach-Rochester Surf forecast

The above surf forecast table for Ontario Beach-Rochester provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ontario Beach-Rochester can be found by selecting the local surf guide option on the grey menu. Our Ontario Beach-Rochester surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Ontario Beach-Rochester) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Ontario Beach-Rochester may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Ontario Beach-Rochester is 6 km (4 miles) from the city of Irondequoit. If you plan a vacation in Lake Ontario - United States, look for hotels and other accommodation in Irondequoit. Irondequoit has rooms for a wide range of budgets as well as car hire and transport links.

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