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 Maldonado in Mexico, with a temperature of 29.7° C (85.46° F).
• The lowest is in Alert, Canada, where the temperature of the water is -1.65° C (29.03° F).