All data are in degrees Fahrenheit

en

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

54.9

°F

July 20, 08:34

Trend:

stable

Yesterday:

55.2°F

Tomorrow:

55.5°F

Sunrise:

05:02

Sunset:

23:08

Day Length:

18 h. 6 min.

Anchorage in July

Minimum:

34.4°F

Average:

36.6°F

Maximum:

38.3°F

Sea water temperature in Anchorage today

As of now, in Anchorage, the water temperature is 54.9°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 2.6°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 62.1°F on 2016, while the historical minimum was 54.5°F on 2024.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 55.9°F, with minimum temperature starting at 55.5°F, while the maximum might reach 56.3°F.

Daily water temperature in Anchorage

Date Current Year

actual* / forecast**

last year 10 years average
Jul 6 55.2°F 58.2°F 57.1°F
Jul 7 55.9°F 57.8°F 57.4°F
Jul 8 57.2°F 57.4°F 57.5°F
Jul 9 57.0°F 57.0°F 57.4°F
Jul 10 56.9°F 56.9°F 57.6°F
Jul 11 56.9°F 56.8°F 57.8°F
Jul 12 57.0°F 56.6°F 57.7°F
Jul 13 56.6°F 56.6°F 57.6°F
Jul 14 56.2°F 56.2°F 57.4°F
Jul 15 55.8°F 55.7°F 57.3°F
Jul 16 55.4°F 55.5°F 57.1°F
Jul 17 56.2°F 57.2°F 57.2°F
Jul 18 55.7°F 57.4°F 57.3°F
Jul 19 55.2°F 56.9°F 57.1°F
Jul 20 54.9°F 55.0°F 57.5°F
Jul 21 55.5°F 55.5°F 58.1°F
Jul 22 55.5°F 55.9°F 58.2°F
Jul 23 55.9°F 56.5°F 58.5°F
Jul 24 55.9°F 55.3°F 58.5°F
Jul 25 56.2°F 56.4°F 58.9°F
Jul 26 56.3°F 56.6°F 58.9°F
Jul 27 56.2°F 55.7°F 58.8°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, 56.4°F in Summer, and 45.8°F in Autumn.