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Water temperature in Dutch Harbor (AK) in August

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Is it warm enough to swim in Dutch Harbor in August? Average water temperature in Dutch Harbor in August is 48.6°F and therefore is not suitable for comfortable swimming. The warmest sea in Dutch Harbor in August is 53.2°F, and the coldest is 45°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Dutch Harbor

Changes water temperature in Dutch Harbor in August 2025, 2024

To get an accurate forecast for the water temperature in Dutch Harbor for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Dutch Harbor, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of August.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
August 151.4°F46.6°F45°F51.6°F
August 250°F46.6°F45°F52.2°F
August 349.6°F47.1°F45°F51.6°F
August 449.5°F46.9°F45.5°F51.3°F
August 549.5°F47.1°F45.9°F51.8°F
August 649.6°F47.3°F45.3°F52.3°F
August 749.5°F47.5°F45.9°F52.3°F
August 849.3°F47.5°F45.7°F51.8°F
August 949.1°F47.5°F46°F51.6°F
August 1047.5°F47.1°F46.2°F51.6°F
August 1148.4°F46.2°F45.7°F52°F
August 1248.6°F46.8°F46.6°F51.4°F
August 1348.7°F48.7°F46.8°F52.3°F
August 1448°F49.8°F46.9°F53.2°F
August 1548.9°F49.1°F46.9°F52.5°F
Day 2025 2024 Min Max
August 1650.2°F48.6°F46.6°F52.2°F
August 1749.8°F47.8°F46.8°F51.8°F
August 1850.5°F47.8°F47.1°F51.4°F
August 1950°F47.5°F46.4°F52.2°F
August 2049.8°F47.5°F47.1°F52.5°F
August 2149.6°F48°F47.3°F52°F
August 2249.5°F48°F47.3°F51.6°F
August 2350°F47.8°F46.9°F51.1°F
August 2450.7°F46.8°F46.6°F52.2°F
August 2550.5°F46.9°F46.2°F52°F
August 2650.5°F46.9°F46.4°F52.3°F
August 2750.4°F46.9°F46°F52.7°F
August 2851.6°F46.2°F45.7°F53.1°F
August 2951.4°F47.3°F45.5°F53.2°F
August 3050.7°F47.5°F45.7°F53.1°F
August 3150.4°F47.5°F46°F53.1°F
Dutch Harbor water temp chart in August

Average water temperature in Dutch Harbor in August over a decade

20162017201820192020
51.4°F49.1°F47.3°F51.6°F48.6°F
20212022202320242025
48.4°F47.3°F47.8°F47.5°F49.6°F

Dutch Harbor sea state in August

Chart comparing the height of waves in Dutch Harbor in August over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Dutch Harbor in August

Dutch Harbor water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in August?

Want to know where the water temperature in August is good for swimming? Select the continent of interest, the day of the month and the required water temperature

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

Temperature in neighboring cities

The nearest locations with the average water temperature in August. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Unalaska48.6°F45°F53.2°F
Sand Point52.7°F48°F57.9°F
St. Paul47.7°F41.9°F53.8°F
Bristol Bay53.6°F47.8°F60.3°F
Togiak55.6°F50.5°F62.2°F
Kipnuk55.2°F48.6°F61.5°F
Dillingham56.8°F51.1°F64.9°F
Kodiak52°F48.6°F57.6°F
Anchor Point51.4°F47.1°F55.2°F
Homer52.5°F48.2°F59.5°F

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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 Dutch Harbor 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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