All data are in degrees Fahrenheit

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Water temperature in Anchorage

Detailed information about the current water temperature in Anchorage. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Anchorage now

56.6

°F

July 26, 11:36

Trend:

stable

Yesterday:

56.4°F

Tomorrow:

56.6°F

Sunrise:

05:17

Sunset:

22:54

Day Length:

17 h. 37 min.

Anchorage in August

Minimum:

34.6°F

Average:

36.7°F

Maximum:

38.3°F

Sea water temperature in Anchorage today

As of now, in Anchorage, the water temperature is 56.6°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 2.5°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 61.0°F on 2019, while the historical minimum was 56.9°F on 2023.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 56.0°F, the minimum temperature may reach 55.7°F, and the maximum might stay at 56.6°F.

Daily water temperature in Anchorage

Date Current Year

actual* / forecast**

last year 10 years average
Jul 12 56.6°F 56.6°F 57.5°F
Jul 13 56.6°F 56.4°F 57.5°F
Jul 14 56.2°F 56.1°F 57.3°F
Jul 15 55.7°F 55.8°F 57.2°F
Jul 16 55.5°F 55.5°F 57.1°F
Jul 17 57.2°F 55.3°F 57.0°F
Jul 18 57.4°F 55.0°F 57.1°F
Jul 19 56.9°F 54.6°F 57.0°F
Jul 20 55.0°F 54.5°F 57.2°F
Jul 21 55.5°F 57.2°F 57.9°F
Jul 22 55.9°F 56.4°F 58.2°F
Jul 23 56.5°F 56.5°F 58.4°F
Jul 24 55.3°F 56.8°F 58.4°F
Jul 25 56.4°F 57.1°F 58.7°F
Jul 26 56.6°F 57.3°F 59.1°F
Jul 27 56.6°F 57.7°F 59.1°F
Jul 28 56.1°F 57.0°F 58.6°F
Jul 29 55.8°F 56.8°F 58.3°F
Jul 30 55.8°F 56.6°F 58.3°F
Jul 31 55.7°F 56.3°F 58.2°F
Aug 1 56.0°F 57.3°F 58.5°F
Aug 2 55.9°F 56.7°F 58.4°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Anchorage by month

In an average year, Anchorage offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Anchorage was recorded on July 11, 2019, reaching a 62.4°F. While the coldest temperature occurred on March 12, 2016, dipping to 32.0°F. The average readings by season are 36.3°F in Winter, 38.2°F in Spring, 56.4°F in Summer, and 45.8°F in Autumn.