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 1 50°F48°F53.1°F
October 2 51.3°F48.2°F52.7°F
October 3 50.9°F48°F52.3°F
October 4 51.1°F48°F52°F
October 5 50.9°F47.8°F51.8°F
October 6 50.7°F48°F51.6°F
October 7 51.3°F47.7°F52.7°F
October 8 51.4°F47.3°F52.3°F
October 9 50.9°F46.8°F52.3°F
October 10 50.9°F47.5°F51.8°F
October 11 50.4°F47.3°F51.8°F
October 12 50°F46.4°F51.4°F
October 13 49.6°F46.6°F51.4°F
October 14 49.5°F46.9°F50.7°F
October 15 49.3°F46.9°F50.4°F
Day 2025 2024 Min Max
October 16 48.9°F46.8°F51.3°F
October 17 50°F46.6°F50.5°F
October 18 49.6°F46.4°F50°F
October 19 49.6°F46.2°F49.6°F
October 20 48.6°F46°F50.7°F
October 21 48.4°F45.5°F51.4°F
October 22 47.7°F44.6°F50.9°F
October 23 47.3°F45.3°F50.2°F
October 24 47.1°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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