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Water temperature in Gustavus (AK) in April

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Is it warm enough to swim in Gustavus in April? Average water temperature in Gustavus in April is 40.8°F and therefore is not suitable for comfortable swimming. The warmest sea in Gustavus in April is 44.6°F, and the coldest is 37.6°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 April 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 April.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
April 140.6°F41.5°F37.6°F43.5°F
April 240.6°F41.2°F38.3°F43.5°F
April 340.5°F41°F37.8°F43°F
April 440.8°F41°F37.9°F42.8°F
April 540.8°F41°F38.1°F42.8°F
April 641°F41°F38.7°F42.8°F
April 741°F41°F38.7°F42.6°F
April 840.8°F41°F38.7°F43.5°F
April 941°F41°F38.7°F43.5°F
April 1041°F41°F38.7°F43.2°F
April 1141.2°F40.8°F38.5°F43.3°F
April 1241.4°F41°F38.1°F43.5°F
April 1341.5°F41.2°F38.3°F43.5°F
April 1440.8°F41.4°F38.8°F43.3°F
April 1541°F41.7°F39.4°F43.3°F
Day 2025 2024 Min Max
April 1641.4°F41.5°F39.2°F43.7°F
April 1741.4°F41.9°F39.4°F43.7°F
April 1841.5°F41.9°F39.7°F43.9°F
April 1941.5°F42.4°F39.7°F43.9°F
April 2041.9°F41.7°F39.6°F44.1°F
April 2141.7°F42.3°F39.6°F44.4°F
April 2241.9°F42.4°F39.4°F44.4°F
April 2342.1°F42.4°F38.7°F44.6°F
April 2442.1°F41.7°F38.8°F44.4°F
April 2542.1°F42.4°F39°F44.4°F
April 2642.1°F42.6°F39.4°F44.1°F
April 2742.1°F42.3°F39.2°F44.6°F
April 2842.3°F42.4°F39.7°F44.2°F
April 2942.3°F42.6°F40.1°F44.2°F
April 3042.3°F42.6°F40.1°F44.1°F
Gustavus water temp chart in April

Average water temperature in Gustavus in April over a decade

20162017201820192020
43.7°F41.4°F41°F42.3°F41°F
20212022202320242025
40.6°F40.5°F40.3°F41.7°F41.4°F

Gustavus sea state in April

Chart comparing the height of waves in Gustavus in April 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 April

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 April?

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

AvrMinMax
Glacier Bay40.6°F37.8°F44.2°F
Skagway39.9°F36°F45.5°F
Yakutat42.4°F38.3°F47.7°F
Haida Gwaii45.7°F42.3°F49.6°F
Cordova41°F37.6°F47.1°F
Seward40.3°F36.7°F46.4°F
Anchorage35.1°F30.4°F40.3°F
Kenai35.2°F30.6°F40.8°F
Anchor Point39.6°F35.1°F44.1°F
Kodiak39.7°F35.8°F43.7°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 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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