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Water temperature in Gustavus (AK) in October

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Is it warm enough to swim in Gustavus in October? Average water temperature in Gustavus in October is 46.8°F and therefore is not suitable for comfortable swimming. The warmest sea in Gustavus in October is 50.2°F, and the coldest is 43.2°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Gustavus

Changes water temperature in Gustavus in October 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
October 148.7°F48.4°F47.1°F49.6°F
October 249.1°F48.2°F46°F49.3°F
October 348.4°F48.2°F46.4°F49.6°F
October 448.2°F47.5°F45.7°F49.6°F
October 548°F47.7°F45.9°F50.2°F
October 648°F47.5°F46°F50°F
October 748.2°F47.3°F46.2°F49.8°F
October 847.1°F47.5°F46°F49.5°F
October 947.3°F47.5°F46°F49.1°F
October 1047.7°F46.9°F46.4°F49.1°F
October 1147.3°F46.4°F46.2°F49.1°F
October 1246.6°F46.4°F45.5°F48.9°F
October 1346.6°F46.2°F45.5°F48.6°F
October 1446.8°F46°F45.7°F48.4°F
October 1546.9°F46°F45.7°F48.2°F
Day 2025 2024 Min Max
October 16 46°F45.9°F48°F
October 17 46°F45.7°F47.7°F
October 18 46°F45.7°F48°F
October 19 45.5°F45.5°F49.1°F
October 20 45.5°F45.3°F48°F
October 21 44.8°F44.2°F47.8°F
October 22 44.6°F43.7°F47.7°F
October 23 44.4°F43.7°F47.7°F
October 24 43.7°F43.2°F47.1°F
October 25 43.5°F43.5°F47.8°F
October 26 43.3°F43.3°F47.7°F
October 27 44.1°F43.2°F47.3°F
October 28 44.1°F43.3°F47.3°F
October 29 44.2°F43.5°F47.3°F
October 30 44.6°F43.7°F47.1°F
October 31 43.7°F43.5°F47.1°F
Gustavus water temp chart in October

Average water temperature in Gustavus in October over a decade

20152016201720182019
47.5°F46.2°F47.7°F47.1°F46.8°F
20202021202220232024
46.8°F46.6°F47.1°F46.8°F45.9°F

Gustavus sea state in October

Chart comparing the height of waves in Gustavus in October 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 Gustavus in October

Gustavus 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 October?

Want to know where the water temperature in October 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 October. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Glacier Bay46.4°F42.8°F49.8°F
Skagway46.4°F42.6°F49.8°F
Yakutat50.2°F46.4°F54.7°F
Haida Gwaii53.6°F49.5°F58.3°F
Cordova48.2°F43.5°F52.3°F
Seward48.6°F43.2°F53.1°F
Anchorage45.7°F39.2°F53.6°F
Kenai47.7°F41.4°F52.5°F
Anchor Point48°F44.2°F51.4°F
Kodiak46.9°F43.2°F50.5°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 Gustavus 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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