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

56.4

°F

August 3, 10:09

Trend:

increasing

Yesterday:

55.8°F

Tomorrow:

56.9°F

Sunrise:

05:37

Sunset:

22:33

Day Length:

16 h. 56 min.

Anchorage in August

Minimum:

34.6°F

Average:

36.6°F

Maximum:

38.3°F

Sea water temperature in Anchorage today

As of now, in Anchorage, the water temperature is 56.4°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 1.5°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 rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 59.5°F on 2020, while the historical minimum was 56.0°F on 2022.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 57.3°F, with minimum temperature starting at 56.9°F, while the maximum might reach 57.5°F.

Daily water temperature in Anchorage

Date Current Year

actual* / forecast**

last year 10 years average
Jul 20 54.9°F 55.0°F 57.3°F
Jul 21 55.1°F 55.5°F 57.8°F
Jul 22 55.4°F 55.9°F 57.9°F
Jul 23 55.8°F 56.5°F 58.3°F
Jul 24 56.7°F 55.3°F 58.4°F
Jul 25 55.1°F 56.4°F 58.5°F
Jul 26 54.7°F 56.6°F 58.6°F
Jul 27 54.2°F 55.7°F 58.4°F
Jul 28 53.8°F 56.8°F 58.1°F
Jul 29 54.2°F 56.3°F 57.8°F
Jul 30 54.7°F 56.8°F 57.8°F
Jul 31 54.3°F 56.6°F 57.7°F
Aug 1 54.9°F 57.5°F 57.9°F
Aug 2 55.8°F 57.3°F 57.9°F
Aug 3 56.4°F 57.1°F 57.9°F
Aug 4 56.9°F 58.1°F 58.4°F
Aug 5 57.2°F 57.9°F 58.8°F
Aug 6 57.3°F 58.5°F 58.9°F
Aug 7 57.5°F 59.1°F 59.0°F
Aug 8 57.2°F 59.3°F 58.8°F
Aug 9 57.5°F 59.5°F 59.0°F
Aug 10 57.4°F 59.5°F 59.0°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 36.2°F in Winter, 38.0°F in Spring, 56.3°F in Summer, and 45.8°F in Autumn.