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 11.67°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.

53.0

°F

September 18, 14:34

Trend:

decreasing

Yesterday:

53.4°F

Tomorrow:

52.7°F

Sunrise:

07:34

Sunset:

20:12

Day Length:

12 h. 38 min.

Anchorage in September

Minimum:

34.8°F

Average:

36.7°F

Maximum:

38.1°F

Sea water temperature in Anchorage today

As of now, in Anchorage, the water temperature is 53.0°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 about the same as 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 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 54.9°F on 2019, while the historical minimum was 51.6°F on 2023.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 52.1°F, the minimum temperature may reach 51.8°F, and the maximum might stay at 52.7°F.

Daily water temperature in Anchorage

Date	Current Year actual* / forecast**	last year	10 years average
Sep 4	56.3°F	54.1°F	55.7°F
Sep 5	56.4°F	54.1°F	55.6°F
Sep 6	56.3°F	54.1°F	55.5°F
Sep 7	56.0°F	54.0°F	55.1°F
Sep 8	55.8°F	54.1°F	55.1°F
Sep 9	55.6°F	54.0°F	54.8°F
Sep 10	55.4°F	53.9°F	54.6°F
Sep 11	55.1°F	53.8°F	54.6°F
Sep 12	54.8°F	53.5°F	54.4°F
Sep 13	54.6°F	53.5°F	54.1°F
Sep 14	54.4°F	53.4°F	54.0°F
Sep 15	54.1°F	53.2°F	53.7°F
Sep 16	53.7°F	54.0°F	53.7°F
Sep 17	53.4°F	53.1°F	53.3°F
Sep 18	53.0°F	51.7°F	53.0°F
Sep 19	52.7°F	51.6°F	52.7°F
Sep 20	52.4°F	51.5°F	52.5°F
Sep 21	52.2°F	51.3°F	52.2°F
Sep 22	52.1°F	51.4°F	52.1°F
Sep 23	51.8°F	50.6°F	51.8°F
Sep 24	51.8°F	50.7°F	51.8°F
Sep 25	51.8°F	50.7°F	51.8°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.