World sea water temperatures

Water temperature in Gustavus (AK) in July

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Is it warm enough to swim in Gustavus in July? Average water temperature in Gustavus in July is 53.4°F and therefore is not suitable for comfortable swimming. The warmest sea in Gustavus in July is 57.9°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 Gustavus

Changes water temperature in Gustavus in July 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 July.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
July 150.5°F52.2°F50.4°F55.4°F
July 251.1°F52°F49.6°F54.9°F
July 351.3°F52.5°F49.1°F55°F
July 451.3°F52.5°F49.6°F55.2°F
July 551.8°F52.2°F50.2°F56.1°F
July 651.8°F52.2°F49.6°F55.4°F
July 751.8°F50.5°F50°F55.6°F
July 852°F51.1°F49.6°F55.8°F
July 950.9°F51.4°F50°F55.9°F
July 1050.9°F51.8°F49.5°F56.5°F
July 1151.3°F52°F50.2°F56.5°F
July 1251.6°F51.8°F50.4°F57.4°F
July 1351.3°F52.2°F50.2°F57.7°F
July 1451.6°F52.2°F48.4°F57.6°F
July 1551.6°F52.3°F48.7°F57.4°F
Day 2025 2024 Min Max
July 1652.3°F52.3°F47.8°F56.7°F
July 1751.6°F52.3°F48°F56.5°F
July 1851.1°F51.6°F48.4°F56.5°F
July 1951.4°F51.8°F48.7°F57.4°F
July 2052.5°F52.7°F49.1°F57.7°F
July 2152°F53.2°F50°F57.9°F
July 2252.9°F53.1°F50.7°F57.7°F
July 2353.2°F53.4°F51.3°F57.6°F
July 2453.4°F53.6°F51.8°F57°F
July 2552.7°F54°F51.3°F57°F
July 2652.3°F54.3°F51.1°F57°F
July 2753.4°F54.5°F51.3°F57.7°F
July 2853.8°F54.1°F51.4°F57.4°F
July 2954.1°F54°F51.6°F57°F
July 3054.5°F54.1°F51.3°F57.2°F
July 3155.8°F54.3°F51.8°F57.4°F
Gustavus water temp chart in July

Average water temperature in Gustavus in July over a decade

20162017201820192020
56.7°F53.6°F53.6°F55.8°F54°F
20212022202320242025
55°F54.3°F52.9°F52.7°F52.2°F

Gustavus sea state in July

Chart comparing the height of waves in Gustavus in July 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 July

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 July?

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

AvrMinMax
Glacier Bay52.5°F47.7°F57°F
Skagway56.1°F49.3°F63°F
Yakutat56.3°F50.9°F61.9°F
Haida Gwaii55.2°F49.3°F59.7°F
Cordova56.5°F51.4°F63°F
Seward55.2°F49.6°F62.4°F
Anchorage56.8°F51.3°F64.9°F
Kenai53.8°F48.9°F59.7°F
Anchor Point49.6°F45.9°F54.1°F
Kodiak50.5°F46.4°F55.9°F

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  • rural Delaware Bay, middle section, Nantuxent Cove, picture taken at Money Island NJ

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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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