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Water temperature in Glacier Bay (AK) in August

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Is it warm enough to swim in Glacier Bay in August? Average water temperature in Glacier Bay in August is 53.8°F and therefore is not suitable for comfortable swimming. The warmest sea in Glacier Bay in August is 58.1°F, and the coldest is 47.8°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Glacier Bay

Changes water temperature in Glacier Bay in August 2025, 2024

To get an accurate forecast for the water temperature in Glacier Bay for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Glacier Bay, 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 152.5°F54.7°F49.5°F56.3°F
August 253.1°F52.5°F49.6°F56.7°F
August 353.4°F53.1°F50.4°F57°F
August 453.8°F51.6°F48°F56.7°F
August 554.1°F51.4°F48.9°F57.2°F
August 652°F52.2°F48.2°F57.2°F
August 752.5°F51.6°F49.1°F57.2°F
August 853.1°F51.8°F49.5°F57.9°F
August 953.6°F51.6°F48.2°F58.1°F
August 1053.8°F52.2°F48.6°F58.1°F
August 1154°F52.5°F48.7°F58.1°F
August 1252.9°F52.3°F48.7°F57.9°F
August 1351.4°F51.1°F47.8°F57.6°F
August 1450.9°F49.5°F48.2°F57.2°F
August 1550.9°F50°F48.4°F57.2°F
Day 2025 2024 Min Max
August 1651.4°F51.1°F49.8°F57°F
August 1751.8°F51.1°F50.2°F57.6°F
August 1852.2°F51.6°F50.7°F56.8°F
August 1952.2°F50.5°F48.2°F56.7°F
August 2052.5°F50.9°F48.6°F57.4°F
August 2152.7°F49.6°F49.3°F57°F
August 2250.7°F50°F49.8°F56.8°F
August 2351.3°F50.4°F50.2°F56.7°F
August 2451.4°F49.1°F49.1°F56.5°F
August 2550.7°F49.8°F49.8°F56.5°F
August 2651.3°F49.3°F49.3°F56.7°F
August 2750°F49.8°F49.8°F56.1°F
August 2849.5°F50.4°F49.5°F56.5°F
August 2951.1°F50.9°F50.9°F56.7°F
August 3051.4°F51.3°F50°F56.5°F
August 3150.7°F51.3°F50.2°F55.9°F
Glacier Bay water temp chart in August

Average water temperature in Glacier Bay in August over a decade

20162017201820192020
57°F54.9°F55.4°F55°F55.8°F
20212022202320242025
55.6°F54.5°F53.2°F51.1°F53.1°F

Glacier Bay sea state in August

Chart comparing the height of waves in Glacier Bay 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 Glacier Bay in August

Glacier Bay 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
Skagway55.4°F49.8°F63.3°F
Yakutat57°F52.2°F62.4°F
Cordova56.5°F53.1°F61.2°F
Haida Gwaii57.6°F51.6°F61.5°F
Seward55.9°F52°F61.3°F
Anchorage58.1°F53.1°F64.6°F
Kenai55.4°F51.6°F61.3°F
Anchor Point51.4°F47.1°F55.2°F
Kodiak52°F48.6°F57.6°F
Port Hardy54°F50°F57.7°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 Glacier Bay 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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