This data the coastal Glacier Bay 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.
Water temperature in Glacier Bay today is 51.6°F. Based on our historical data over a period of ten years, the warmest water in this day in Glacier Bay was recorded in 2016 and was 53.6°F, and the coldest was recorded in 2009 at 48°F. Sea water temperature in Glacier Bay is expected to drop to 50°F in the next 10 days. September average water temperature in Glacier Bay is 50°F, the minimum temperature is 45.3°F, and the maximum is 55.4°F.
Throughout the year, the water temperature in Glacier Bay does not rise above 68°F and therefore is not suitable for comfortable swimming. The average water temperature in Glacier Bay in winter reaches 40.8°F, in spring 41.5°F, in summer the average temperature rises to 52°F, and in autumn it is 46.6°F.
September 5, 2025 |
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today temp |
51.6°F |
September 4, 2025 |
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yesterday temp |
50.9°F |
The ocean salinity in Glacier Bay is 28.33‰, and the average salinity of the World Ocean is 35‰.
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 Glacier Bay. 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 Glacier Bay. Data in table shown for September 5, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
0-3 h | 3-6 h | 6-9 h | 9-12 h |
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0' 1" | 0' 1" | 0' 1" | 0' 1" |
0.02 m | 0.02 m | 0.02 m | 0.02 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
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0' 0" | 0' 0" | 0' 0" | 0' 1" |
0.01 m | 0.01 m | 0.01 m | 0.02 m |
Data in a table show Glacier Bay temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Glacier Bay.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
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53.8°F | 53.1°F | 52.7°F | 57.2°F |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
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59.5°F | 60.3°F | 59°F | 54°F |
You may also be interested in other sections of our site for Glacier Bay: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Glacier Bay. 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 Glacier Bay 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
Month | Avr | Min | Max | |
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January | 40.8°F | 38.1°F | 43.3°F | cold |
Ocean water temperature in Glacier Bay in January | ||||
February | 39.7°F | 37.6°F | 42.3°F | cold |
Ocean water temperature in Glacier Bay in February | ||||
March | 39.6°F | 36°F | 43°F | cold |
Ocean water temperature in Glacier Bay in March | ||||
April | 40.6°F | 37.8°F | 44.2°F | cold |
Ocean water temperature in Glacier Bay in April | ||||
May | 44.6°F | 40.1°F | 50.2°F | cold |
Ocean water temperature in Glacier Bay in May | ||||
June | 49.5°F | 44.6°F | 55.6°F | cold |
Ocean water temperature in Glacier Bay in June | ||||
July | 52.5°F | 47.7°F | 57°F | cold |
Ocean water temperature in Glacier Bay in July | ||||
August | 53.8°F | 47.8°F | 58.1°F | cold |
Ocean water temperature in Glacier Bay in August | ||||
September | 50°F | 45.3°F | 55.4°F | cold |
Ocean water temperature in Glacier Bay in September | ||||
October | 46.4°F | 42.8°F | 49.8°F | cold |
Ocean water temperature in Glacier Bay in October | ||||
November | 43.2°F | 40.5°F | 46.4°F | cold |
Ocean water temperature in Glacier Bay in November | ||||
December | 41.9°F | 39.4°F | 44.2°F | cold |
Ocean water temperature in Glacier Bay in December |