Today's Hamilton sea temperature is 12.3 °C
(Slightly cooler than normal)
| Mean: | 13.1 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 10.0 °C to 17.2 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 08 Jun (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a spring wetsuit, a neoprene hood, gloves and boots.
Sunny with pleasant to warm air temperatures, yet the sea at Hamilton remains rather cold. Surfers will need a spring wetsuit and ideally neoprene hood, gloves and boots.
 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 Hamilton. 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.
Hamilton water temperatures peak in the range 18 to 24°C (64 to 75°F) on around the 2nd of August and are at their coldest on about the 12th of February, in the range 0 to 3°C (32 to 37°F). Hamilton water temperatures are warmest in early August. Surfers should use a 2mm long sleeve shorty or a 3/2mm spring wetsuit if the wind is up. The coldest water temperatures at Hamilton 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 the second week of February.
Actual sea surface water temperatures close to shore at Hamilton 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 Hamilton. Refer to our detailed weather forecasts for this information.
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