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 4.84°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.

40.7

°F

May 15, 13:33

Trend:

stable

Yesterday:

40.8°F

Tomorrow:

41.2°F

Sunrise:

05:12

Sunset:

22:41

Day Length:

17 h. 29 min.

Anchorage in May

Minimum:

33.9°F

Average:

36.6°F

Maximum:

38.1°F

Sea water temperature in Anchorage today

As of now, in Anchorage, the water temperature is 40.7°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 3.3°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 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 47.5°F on 2016, while the historical minimum was 41.8°F on 2018.

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 suggests a gradual increase. The average temperature is expected to rise up to 42.1°F, with minimum temperature starting at 41.2°F, while the maximum might reach 43.0°F.

Daily water temperature in Anchorage

Date	Current Year actual* / forecast**	last year	10 years average
May 1	35.4°F	38.6°F	37.6°F
May 2	35.5°F	38.5°F	38.3°F
May 3	35.7°F	40.2°F	38.5°F
May 4	36.0°F	40.4°F	38.8°F
May 5	36.6°F	41.0°F	39.2°F
May 6	37.4°F	41.2°F	39.7°F
May 7	37.9°F	42.6°F	40.3°F
May 8	38.0°F	41.4°F	40.7°F
May 9	38.3°F	41.9°F	41.2°F
May 10	38.6°F	42.3°F	41.5°F
May 11	39.2°F	42.7°F	42.0°F
May 12	40.1°F	42.9°F	42.2°F
May 13	40.2°F	44.5°F	42.8°F
May 14	40.8°F	44.5°F	43.4°F
May 15	40.7°F	44.9°F	44.0°F
May 16	41.2°F	45.6°F	44.5°F
May 17	41.7°F	45.4°F	45.0°F
May 18	41.7°F	45.3°F	45.0°F
May 19	42.0°F	45.4°F	45.3°F
May 20	42.4°F	45.6°F	45.8°F
May 21	42.6°F	45.6°F	45.9°F
May 22	43.0°F	45.6°F	46.3°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, 38.1°F in Spring, 56.4°F in Summer, and 45.8°F in Autumn.