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

35.6

°F

November 26, 22:37

Trend:

increasing

Yesterday:

35.4°F

Tomorrow:

35.7°F

Sunrise:

09:34

Sunset:

15:59

Day Length:

6 h. 25 min.

Anchorage in December

Minimum:

35.3°F

Average:

36.7°F

Maximum:

37.9°F

Sea water temperature in Anchorage today

As of now, in Anchorage, the water temperature is 35.6°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 1.2°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature closely matches the previous two weeks' average, indicating a stable trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 38.2°F on 2015, while the historical minimum was 35.5°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. 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
Nov 12 38.8°F 36.9°F 39.2°F
Nov 13 36.8°F 36.5°F 38.8°F
Nov 14 36.1°F 36.2°F 38.5°F
Nov 15 35.4°F 36.7°F 37.9°F
Nov 16 35.0°F 36.8°F 37.6°F
Nov 17 34.8°F 37.0°F 37.3°F
Nov 18 35.0°F 37.2°F 37.0°F
Nov 19 35.4°F 36.5°F 36.8°F
Nov 20 34.6°F 35.6°F 36.4°F
Nov 21 35.0°F 35.7°F 36.4°F
Nov 22 35.3°F 35.7°F 36.5°F
Nov 23 35.5°F 35.6°F 36.4°F
Nov 24 35.9°F 35.7°F 36.6°F
Nov 25 35.4°F 35.8°F 36.5°F
Nov 26 35.6°F 36.0°F 36.8°F
Nov 27 35.7°F 36.2°F 36.9°F
Nov 28 35.7°F 36.3°F 36.9°F
Nov 29 35.8°F 36.3°F 37.0°F
Nov 30 35.9°F 36.4°F 37.0°F
Dec 1 35.7°F 36.4°F 36.9°F
Dec 2 35.6°F 36.6°F 36.8°F
Dec 3 35.5°F 36.7°F 36.7°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 36.3°F in Winter, 38.2°F in Spring, 56.4°F in Summer, and 45.8°F in Autumn.