World sea water temperatures

Water temperature in Seward (AK) in October

Is it warm enough to swim in Seward in October? Average water temperature in Seward in October is 48.6°F and therefore is not suitable for comfortable swimming. The warmest sea in Seward in October is 53.1°F, and the coldest is 43.2°F. Average high air temperature in Seward in October is 45°F, and average low temperature is 35°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Seward

Changes water temperature in Seward in October 2025, 2024

To get an accurate forecast for the water temperature in Seward for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Seward, 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 152°F50°F48°F53.1°F
October 252.2°F51.3°F48.2°F52.7°F
October 351.8°F50.9°F48°F52.3°F
October 451.4°F51.1°F48°F52°F
October 551.3°F50.9°F47.8°F51.8°F
October 651.1°F50.7°F48°F51.6°F
October 751.3°F51.3°F47.7°F52.7°F
October 850.9°F51.4°F47.3°F52.3°F
October 950.5°F50.9°F46.8°F52.3°F
October 1050.5°F50.9°F47.5°F51.8°F
October 1150.4°F50.4°F47.3°F51.8°F
October 1249.8°F50°F46.4°F51.4°F
October 1349.6°F49.6°F46.6°F51.4°F
October 1449.8°F49.5°F46.9°F50.7°F
October 1549.6°F49.3°F46.9°F50.4°F
Day 2025 2024 Min Max
October 1649.3°F48.9°F46.8°F51.3°F
October 1750.9°F50°F46.6°F50.9°F
October 1851.4°F49.6°F46.4°F51.4°F
October 1951.6°F49.6°F46.2°F51.6°F
October 2051.3°F48.6°F46°F51.3°F
October 2150.5°F48.4°F45.5°F51.4°F
October 2250°F47.7°F44.6°F50.9°F
October 2349.5°F47.3°F45.3°F50.2°F
October 2449.1°F47.1°F44.8°F49.8°F
October 25 46.9°F44.6°F49.3°F
October 26 47.1°F44.1°F48.9°F
October 27 48.4°F44.1°F50.4°F
October 28 47.8°F44.4°F50.7°F
October 29 47.5°F43.3°F50.2°F
October 30 48.7°F43.3°F49.8°F
October 31 47.7°F43.2°F49.6°F
Seward water temp chart in October

Average water temperature in Seward in October over a decade

20152016201720182019
48.7°F49.5°F49.3°F50.2°F49.8°F
20202021202220232024
50°F47.8°F49.6°F49.1°F49.3°F

Seward sea state in October

Chart comparing the height of waves in Seward 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 Seward in October

Weather and climate in Seward in October

This data display average monthly climate indicators in Seward in October based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature45°F
  • Average LOW temperature35°F
  • Average rainfall days17 days
  • Average rainfall239mm/9.4''
  • Average snowfall13mm/0.5''

Seward 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
Whittier46.6°F39°F51.1°F
Homer48°F44.1°F50.9°F
Cook Inlet48°F42.1°F52.7°F
Anchor Point48°F44.2°F51.4°F
Prince William Sound48.7°F42.6°F53.1°F
Valdez48°F43°F51.1°F
Dillingham42.1°F32.2°F49.8°F
Yakutat50.2°F46.4°F54.7°F
Bristol Bay48.2°F40.5°F54.7°F
Togiak45.1°F37.6°F53.2°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 Seward 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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