In June sea water temperature all along the Gulf of Alaska coast is not yet warm enough for swimming and does not exceed 20°C. The warmest average water temperature Gulf of Alaska in June is 11.6°C (in Whittier, AK, United States), and the coldest sea surface temperature is 7.5°C (in Sand Point, AK, United States). To find out the sea temperature today and in the coming days, go to Current sea temperature of the Gulf of Alaska
This data on the average monthly surface water temperature on the Gulf of Alaska coast in June. 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.