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Water temperature in Coupeville (WA) in October

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Is it warm enough to swim in Coupeville in October? Average water temperature in Coupeville in October is 51.6°F and therefore is not suitable for comfortable swimming. The warmest sea in Coupeville in October is 54.7°F, and the coldest is 48.4°F. Average high air temperature in Coupeville in October is 58°F, and average low temperature is 43°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Coupeville

Changes water temperature in Coupeville in October 2024, 2023

To get an accurate forecast for the water temperature in Coupeville for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Coupeville, 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 2024 2023 Min Max
October 152.3°F53.2°F49.6°F54.1°F
October 252.5°F54°F49.6°F54.3°F
October 352.7°F52.3°F49.6°F54.7°F
October 452.5°F52.2°F49.6°F54.5°F
October 552.3°F53.2°F49.6°F54.5°F
October 651.6°F54°F49.5°F54.1°F
October 752.5°F54.1°F49.5°F54.1°F
October 852.7°F54.3°F49.6°F54.3°F
October 951.8°F54.1°F49.6°F54.1°F
October 1053.4°F54°F49.6°F54°F
October 1153.1°F54.3°F49.5°F54.3°F
October 1252.7°F53.1°F49.5°F53.6°F
October 1352.5°F54°F49.3°F54°F
October 1452.5°F53.4°F49.1°F53.4°F
October 1552.3°F54.3°F49.1°F54.3°F
Day 2024 2023 Min Max
October 1652.3°F53.8°F49.1°F53.8°F
October 1752.5°F53.1°F48.9°F53.2°F
October 1852.2°F53.2°F49.3°F53.2°F
October 1952.2°F53.2°F48.9°F53.2°F
October 2051.8°F52.9°F49.1°F53.4°F
October 2151.6°F52.7°F48.6°F53.2°F
October 2250.7°F52.3°F48.4°F52.7°F
October 2351.1°F53.1°F48.6°F53.1°F
October 2451.3°F52.7°F48.9°F52.9°F
October 2551.6°F52.2°F48.9°F52.7°F
October 2651.6°F52.2°F49.1°F52.5°F
October 2751.4°F51.8°F48.9°F52.3°F
October 2851.1°F51.1°F48.9°F52.3°F
October 2950.9°F51.1°F48.4°F52.7°F
October 3050.7°F50.7°F48.4°F52.2°F
October 3151.3°F51.4°F48.4°F52.2°F
Coupeville water temp chart in October

Average water temperature in Coupeville in October over a decade

20152016201720182019
53.1°F52.3°F51.6°F52.2°F51.8°F
20202021202220232024
52.2°F51.8°F52.3°F52.9°F52°F

Coupeville sea state in October

Chart comparing the height of waves in Coupeville 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 Coupeville in October

Weather and climate in Coupeville in October

This data display average monthly climate indicators in Coupeville 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 temperature58°F
  • Average LOW temperature43°F
  • Average rainfall days11 days
  • Average rainfall46mm/1.8''

Coupeville 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
Oak Harbor51.6°F48.4°F55.4°F
Port Townsend51.4°F48.4°F54.5°F
Bowman Bay51.6°F48.2°F55.4°F
Deception Pass51.6°F48.2°F55.4°F
Discovery Bay50.9°F48.2°F54.7°F
Sequim50.5°F48°F54.5°F
Port Ludlow52.3°F48.4°F55.4°F
Langley52.9°F48.7°F57.7°F
Warm Beach52.7°F48.6°F58.5°F
Lopez Island50.7°F48°F53.4°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 Coupeville 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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