Water temperature map Measured readings across Canada, plus labelled estimates
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❄️ Temperature is not a safety rating. Cold water can cause cold-water shock. Measured readings come from government sensors and buoys. Estimated values (dashed, italic) are model guesses from recent air temperatures, never measurements. ×
About temperatures (safety note) Loading…
Measured: Environment and Climate Change Canada (Water Survey of Canada; moored buoys), Fisheries and Oceans Canada (MEDS, AZMP/IML via St. Lawrence Global Observatory), NOAA NDBC (Great Lakes), Alberta Environment and Protected Areas, City of Calgary, Hakai Institute (CC BY 4.0), Grand River Conservation Authority and Quinte Conservation KiWIS (provisional), GLOS Seagull. Open Government Licence – Canada where applicable. Estimates: Splashtemp model hydrosheds.org ), HydroLAKES (Messager et al. 2016, CC BY 4.0) and BC Dams (Open Government Licence – British Columbia). Swim Feel weather: MET Norway Locationforecast (CC BY 4.0); sun strength is estimated. Water body names: Canadian Geographical Names Database (NRCan, OGL – Canada). Base map © MapTiler © OpenStreetMap contributors. Use of map data is subject to our Terms (Data and Map Content) . Beach explorer (test)
About this water temperature map Measured readings Measured readings come from government sensors and buoys. Readings older than 7 days are marked.
Estimated values Estimated values (dashed, italic) are model guesses from recent air temperatures, never measurements.
Temperature is not a safety rating Cold water can cause cold-water shock. Check official advisories and local conditions before you swim.
Looking for pools? Pool swim times and pool temperatures are listed separately on the Pools pages.
Splashtemp is a Canadian initiative. About · Questions or corrections: ryan@splashtemp.ca or the contact form .
Water temperature map: FAQ Are these lake and river temperatures measured? Measured readings come from government sensors and buoys. Estimated values are shown dashed and in italics; they are model guesses from recent air temperatures, never measurements.
Who provides the measured data? Sources include Environment and Climate Change Canada, Fisheries and Oceans Canada, NOAA (Great Lakes), Alberta Environment and Protected Areas, the City of Calgary and other agencies listed in the credits on this page.
Does a warm reading mean it is safe to swim? No. Temperature is not a safety rating. Cold water can cause cold-water shock.
How do I report a correction? Email ryan@splashtemp.ca or use the contact form at splashtemp.com/contact/. Listings link to their sources.
Map Satellite
Legend 9.1° Older than 7 daysList