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 2.27°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.

36.1

°F

January 8, 17:31

Trend:

stable

Yesterday:

36.0°F

Tomorrow:

36.1°F

Sunrise:

10:08

Sunset:

16:06

Day Length:

5 h. 58 min.

Anchorage in January

Minimum:

35.3°F

Average:

36.6°F

Maximum:

38.1°F

Sea water temperature in Anchorage today

As of now, in Anchorage, the water temperature is 36.1°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 0.6°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 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 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 38.3°F on 2017, while the historical minimum was 34.6°F on 2025.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 36.0°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 1	35.4°F	35.5°F	36.6°F
Jan 2	35.7°F	35.8°F	36.8°F
Jan 3	35.8°F	34.4°F	36.6°F
Jan 4	35.8°F	34.6°F	36.6°F
Jan 5	35.9°F	33.9°F	36.6°F
Jan 6	36.0°F	34.2°F	36.6°F
Jan 7	36.0°F	34.4°F	36.6°F
Jan 8	36.1°F	34.6°F	36.7°F
Jan 9	36.1°F	34.8°F	36.6°F
Jan 10	36.0°F	35.0°F	36.6°F
Jan 11	36.0°F	35.1°F	36.6°F
Jan 12	36.0°F	35.3°F	36.6°F
Jan 13	36.0°F	35.4°F	36.6°F
Jan 14	36.1°F	35.6°F	36.6°F
Jan 15	36.0°F	35.6°F	36.6°F
Dec 25	35.6°F	37.0°F	36.6°F
Dec 26	35.7°F	37.0°F	36.7°F
Dec 27	35.9°F	37.0°F	36.7°F
Dec 28	35.9°F	36.8°F	36.6°F
Dec 29	36.0°F	36.6°F	36.6°F
Dec 30	36.0°F	36.5°F	36.6°F
Dec 31	35.4°F	35.5°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 36.2°F in Winter, 38.2°F in Spring, 56.4°F in Summer, and 45.8°F in Autumn.