Water temperature all along the Gulf of Alaska coast is not yet warm enough for swimming and does not exceed 20°C. The warmest water temperature Gulf of Alaska today is 11.7°C (in Prince William Sound, AK, United States), and the coldest Gulf of Alaska surface temperature now is 8.7°C (in Whittier, AK, United States).
The table below shows some of the cities on the Gulf of Alaska coast with the values of sea surface temperature today and yesterday. Also indicated are the maximum and minimum water temperatures that were recorded this month for the last ten years. To see the details, select the country and then the city of your interest. Besides water temperature, you can also get information about the weather for today, tomorrow and the upcoming days, surf forecast, as well as the data on sunrise/sunset and moonrise/moonset at a given point on any given day.
Today, the highest waves in the Gulf of Alaska are expected in Cook Inlet, AK, United States and will reach 1.77 m (5' 10"). The calmest sea will be in Whittier, AK, United States and the average wave height for today will be 0.04 m (0' 2"). To view a 10-day forecast of sea or ocean conditions, select the city you are interested in.