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 Puerto Arista in Mexico, with a temperature of 30.34° C (86.61° F).
• The lowest is in Hopedale, Canada, where the temperature of the water is -1.72° C (28.9° F).