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

54.0

°F

September 7, 03:49

Trend:

stable

Yesterday:

54.1°F

Tomorrow:

54.1°F

Sunrise:

07:09

Sunset:

20:44

Day Length:

13 h. 35 min.

Anchorage in September

Minimum:

36.0°F

Average:

36.8°F

Maximum:

38.1°F

Sea water temperature in Anchorage today

As of now, in Anchorage, the water temperature is 54.0°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 1.0°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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 57.0°F on 2019, while the historical minimum was 52.2°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 shows a gradual cooling trend. The average temperature is expected to be 53.5°F, the minimum temperature may reach 53.1°F, and the maximum might stay at 54.1°F.

Daily water temperature in Anchorage

Date Current Year

actual* / forecast**

last year 10 years average
Aug 24 53.5°F 57.5°F 57.3°F
Aug 25 53.1°F 57.4°F 57.1°F
Aug 26 53.5°F 57.3°F 57.0°F
Aug 27 55.5°F 57.1°F 57.0°F
Aug 28 55.0°F 56.9°F 56.9°F
Aug 29 55.0°F 56.8°F 56.9°F
Aug 30 54.0°F 56.6°F 56.4°F
Aug 31 54.3°F 56.5°F 56.2°F
Sep 1 54.5°F 56.9°F 56.2°F
Sep 2 54.2°F 56.7°F 56.0°F
Sep 3 54.2°F 55.5°F 55.8°F
Sep 4 54.1°F 55.5°F 55.7°F
Sep 5 54.1°F 55.4°F 55.4°F
Sep 6 54.1°F 55.0°F 55.3°F
Sep 7 54.0°F 54.6°F 55.0°F
Sep 8 54.1°F 54.4°F 55.1°F
Sep 9 53.9°F 52.6°F 54.8°F
Sep 10 53.7°F 52.6°F 54.6°F
Sep 11 53.6°F 52.7°F 54.6°F
Sep 12 53.4°F 52.6°F 54.4°F
Sep 13 53.2°F 52.1°F 54.1°F
Sep 14 53.1°F 52.1°F 54.0°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 February 1, 2014, dipping to 32.0°F. The average readings by season are 36.3°F in Winter, 38.1°F in Spring, 56.3°F in Summer, and 45.9°F in Autumn.