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Surf Forecasts:

Oshawa surfForecast / Lake Ontario / Canada

information circle12 Day Weather and Surf, issued 1 pm Sunday 14 Sep 2025 EDT
Forecast update in hr  min  s Forecast update imminent
Oshawa surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Oshawa sea temperature is
16.2° C
 (Which is 2.5°C colder than average for this time of year)
Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 25°C on Sun afternoon, min 17°C on Mon morning). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 29°C on Thu afternoon, min 9°C on Sat morning). Wind will be generally light.

Sun
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)—————————————————————
Period(s) (?)---------------------
Wave
Graph
(?)Metric surfscale
Energy kJ (?)000000000000000000000
Wind
(km/h)
5
S
5
NE
15
E
10
E
5
ENE
10
E
10
ESE
5
NE
5
S
15
SE
5
WSW
10
SW
5
SW
15
N
15
NE
10
NNE
20
ENE
20
E
20
ENE
10
E
10
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		onglassglasscross-
on		cross-
off		cross-
off		glasscross-
off		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
n/a
n/a
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n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
Low Tide
/ height (m)
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
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Sun
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunrise--6:56--6:56--6:58--7:00--7:01--7:01--7:03
Sunset7:30--7:28--7:27--7:24--7:22--7:21--7:19--
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C252320232219232221252325292418212011141417
Feels °C (?)262319212118222120232324282214181669915
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for Lake Ontario

  1. weather stationWind Update Cross-off winds at Oshawa are now cross-shore so expect speed-bumps in the surf (light winds from the NE at York wx 6 km from Oshawa). not gfswave

    41 minutes ago Oshawa
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Actual: 41 min ago

14 km/h
NE
Cross-Shore
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Oshawa surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Oshawa at:
surf-forecast.com

Information about the Oshawa Surf forecast

The above surf forecast table for Oshawa provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Oshawa can be found by selecting the local surf guide option on the grey menu. Our Oshawa 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 (Oshawa) 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 Oshawa 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.

Oshawa is 3 km (2 miles) from the very large city of Etobicoke. If you plan a holiday in Lake Ontario - Canada, look for hotels and other accommodation in Etobicoke. Etobicoke has rooms for a wide range of budgets as well as cheap car hire and transport links.

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