What is the current water temperature in Anchorage?

Q: What is the current water temperature in Anchorage?

As of now, in Anchorage, the water temperature is 12.02°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.

United States > Anchorage

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.

53.6

°F

September 5, 06:57

Trend:

decreasing

Yesterday:

53.9°F

Tomorrow:

53.5°F

Sunrise:

07:01

Sunset:

20:54

Day Length:

13 h. 53 min.

Anchorage in September

Minimum:

34.8°F

Average:

36.6°F

Maximum:

38.1°F

Sea water temperature in Anchorage today

As of now, in Anchorage, the water temperature is 53.6°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 2.1°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 fall 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 57.7°F on 2019, while the historical minimum was 54.1°F on 2024.

latest data

last year

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 52.8°F, the minimum temperature may reach 52.3°F, and the maximum might stay at 53.5°F.

Daily water temperature in Anchorage

Date	Current Year actual* / forecast**	last year	10 years average
Aug 22	56.6°F	58.2°F	57.3°F
Aug 23	56.5°F	58.0°F	57.1°F
Aug 24	56.6°F	58.2°F	57.2°F
Aug 25	55.9°F	57.9°F	56.9°F
Aug 26	56.2°F	57.9°F	56.9°F
Aug 27	54.5°F	55.8°F	56.6°F
Aug 28	54.5°F	55.7°F	56.6°F
Aug 29	54.9°F	55.7°F	56.6°F
Aug 30	53.7°F	56.4°F	56.1°F
Aug 31	54.0°F	56.7°F	56.2°F
Sep 1	53.0°F	56.6°F	56.0°F
Sep 2	53.3°F	56.4°F	55.9°F
Sep 3	52.8°F	56.2°F	55.6°F
Sep 4	53.9°F	56.3°F	55.6°F
Sep 5	53.6°F	56.4°F	55.7°F
Sep 6	53.5°F	56.3°F	55.5°F
Sep 7	53.0°F	56.0°F	55.1°F
Sep 8	53.1°F	55.8°F	55.1°F
Sep 9	52.7°F	55.6°F	54.8°F
Sep 10	52.6°F	55.4°F	54.6°F
Sep 11	52.5°F	55.1°F	54.5°F
Sep 12	52.3°F	54.8°F	54.4°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 36.2°F in Winter, 38.0°F in Spring, 56.3°F in Summer, and 45.8°F in Autumn.