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 2.17°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.

35.9

°F

January 21, 15:21

Trend:

stable

Yesterday:

35.9°F

Tomorrow:

35.9°F

Sunrise:

09:46

Sunset:

16:37

Day Length:

6 h. 51 min.

Anchorage in January

Minimum:

35.3°F

Average:

36.8°F

Maximum:

38.3°F

Sea water temperature in Anchorage today

As of now, in Anchorage, the water temperature is 35.9°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 0.8°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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 37.4°F on 2017, while the historical minimum was 35.8°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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 35.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Anchorage

Date	Current Year actual* / forecast**	last year	10 years average
Jan 7	34.4°F	36.1°F	36.8°F
Jan 8	34.6°F	36.2°F	36.7°F
Jan 9	34.8°F	36.2°F	36.7°F
Jan 10	35.0°F	36.2°F	36.7°F
Jan 11	35.1°F	35.6°F	36.6°F
Jan 12	35.3°F	35.7°F	36.7°F
Jan 13	35.4°F	35.7°F	36.6°F
Jan 14	35.6°F	35.8°F	36.7°F
Jan 15	35.6°F	35.8°F	36.7°F
Jan 16	35.7°F	35.7°F	36.7°F
Jan 17	35.7°F	35.7°F	36.6°F
Jan 18	35.7°F	35.8°F	36.6°F
Jan 19	35.8°F	35.8°F	36.6°F
Jan 20	35.9°F	35.8°F	36.6°F
Jan 21	35.9°F	35.8°F	36.7°F
Jan 22	35.9°F	35.9°F	36.6°F
Jan 23	35.8°F	35.9°F	36.6°F
Jan 24	35.8°F	35.9°F	36.6°F
Jan 25	35.7°F	35.9°F	36.5°F
Jan 26	35.7°F	35.9°F	36.5°F
Jan 27	35.6°F	35.8°F	36.4°F
Jan 28	35.6°F	35.9°F	36.4°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 36.4°F in Winter, 38.1°F in Spring, 56.4°F in Summer, and 45.8°F in Autumn.