World sea water temperatures

Anchorage water temp

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This data the coastal Anchorage ocean water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current ocean temperature in Anchorage

Water temperature in Anchorage today is 49.6°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Alaska near Anchorage was recorded in 2018 and was 52°F, and the coldest was recorded in 2015 at 45.7°F. Sea water temperature in Anchorage is expected to drop to 45.9°F in the next 10 days. October average water temperature in Anchorage is 45.7°F, the minimum temperature is 39.2°F, and the maximum is 53.6°F.

Throughout the year, the water temperature in Anchorage does not rise above 68°F and therefore is not suitable for comfortable swimming. The average water temperature in Anchorage in winter reaches 36°F, in spring 37.6°F, in summer the average temperature rises to 55.6°F, and in autumn it is 46°F.

Anchorage water temperature now


October 6, 2025
today temp
49.6°F
October 5, 2025
yesterday temp
49.8°F


The ocean salinity in Anchorage is 19.58‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Anchorage for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Anchorage. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Anchorage. Data in table shown for October 6, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

0-3 h3-6 h6-9 h9-12 h
0' 7"0' 5"0' 4"0' 4"
0.17 m0.13 m0.11 m0.1 m
12-15 h15-18 h18-21 h21-24 h
0' 4"0' 4"0' 3"0' 3"
0.11 m0.1 m0.08 m0.08 m

Surf report in Anchorage

Anchorage wave height and direction

Anchorage weather forecast

Anchorage wind speed and direction

Current temperature and weather

Data in a table show Anchorage temperature today (October 6, 2025). For more information and forecast for a few days, go to the weather forecast Anchorage.

0-3 h3-6 h6-9 h9-12 h
48°F48.2°F47.5°F47.7°F
12-15 h15-18 h18-21 h21-24 h
49.6°F49.8°F48.4°F46.2°F

You may also be interested in other sections of our site for Anchorage: Sunrise and Sunset, Tides

Anchorage water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Anchorage. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Anchorage on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

MonthAvrMinMax
January36.1°F31.1°F38.5°Fcold
Ocean water temperature in Anchorage in January
February35.1°F30.4°F37.4°Fcold
Ocean water temperature in Anchorage in February
March34.5°F29.7°F36.7°Fcold
Ocean water temperature in Anchorage in March
April35.1°F30.4°F40.3°Fcold
Ocean water temperature in Anchorage in April
May43°F33.8°F53.8°Fcold
Ocean water temperature in Anchorage in May
June52°F45.1°F61.2°Fcold
Ocean water temperature in Anchorage in June
July56.8°F51.3°F64.9°Fcold
Ocean water temperature in Anchorage in July
August58.1°F53.1°F64.6°Fcold
Ocean water temperature in Anchorage in August
September53.8°F47.8°F59.7°Fcold
Ocean water temperature in Anchorage in September
October45.7°F39.2°F53.6°Fcold
Ocean water temperature in Anchorage in October
November38.5°F32.5°F43.7°Fcold
Ocean water temperature in Anchorage in November
December36.7°F32.4°F39.4°Fcold
Ocean water temperature in Anchorage in December

Chart monthly average water temperature in Anchorage

Water temperature in Anchorage

Where is the warmest sea water in the world?

If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen value

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Nearby beaches and cities

The nearest beaches and cities from Anchorage with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

WaterWeatherWave
Whittier47.7°F44.6°F0' 9"
Kenai50.9°F50°F1' 6"
Seward51.3°F46.4°F1' 8"
Cook Inlet51.6°F50°F2' 7"
Prince William Sound52.2°F44.6°F3' 3"
Anchor Point50.7°F50°F4' 4"
Homer51.8°F51.8°F2' 4"
Valdez49.5°F37.4°F2' 6"
Cordova49.1°F46.4°F3' 1"
Kodiak49.5°F50°F2' 4"

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Anchorage is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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