North America Sea Temperatures

We track the current and average sea water temperatures for 4 countries in North America. Search the list below to find the country you're looking for.

• The place with the highest sea temperature in North America today is Crystal River in United States, with a temperature of 32.01° C (89.62° F).
• The lowest is in Alert, Canada, where the temperature of the water is -1.73° C (28.89° F).