Oshawa Water Temperature and Wetsuit Guide
(Lake Ontario – Canada)
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Today's Oshawa sea temperature is 4.2 °C
(Which is 2.1°C colder than average for this time of year)
| Mean: | 6.3 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 4.4 °C to 9.7 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 09 May (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a winter wetsuit, a neoprene hood, gloves and boots.
The water temperature (4 °C) at Oshawa is close to freezing. You will need a good quality thick winter wetsuit, a neoprene hood, gloves and boots; despite the sunshine. Relatively mild air temperature compared to the water temperature and a windchill factor of (11 °C).
Map of current Canada Surface Water Temperatures based on measurements from oceanographic satellites |
Map of current Canada Sea Water Temperature Anomalies (compared with long term averages at this time of year) |
(click thumbnails to expand)
Below is a graph of Historical Sea Surface Temperature for Oshawa. This has been derived from analysis of two decades of oceanographic satellite measurements of nearby open water. We have calculated the average water temperature variation around the year as well as the extremes that have been observed on each date.
All of the graphs for the surf breaks presented on Surf-Forecast.com are on the same scale to enable comparison between locations around the world.
Oshawa sea temperatures peak in the range 18 to 24°C (64 to 75°F) on around the 8th of August and are at their coldest on about the 15th of February, in the range 1 to 2°C (34 to 36°F). Oshawa sea temperatures are maximum in early to mid August. Surfers should use a 2mm long sleeve shorty or a 3/2mm spring wetsuit if the wind is up. The coldest sea temperatures at Oshawa mean that you will need a flexible 6/5/4mm wetsuit or a well fitting 5/4mm wetsuit with gloves and 5mm neoprene booties and a hood to surf here in mid February.
Actual sea surface water temperatures close to shore at Oshawa can vary by several degrees compared with these open water averages. This is especially true after heavy rain, close to river mouths or after long periods of strong offshore winds. Offshore winds cause colder deep water to replace surface water that has been warmed by the sun. Air temperature, wind-chill and sunshine should also be considered before deciding on the kind of wetsuit needed to stay warm when surfing at Oshawa. Refer to our detailed weather forecasts for this information.
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