World sea water temperatures

Water temperature in Ewa Beach (HI) in October

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Is it warm enough to swim in Ewa Beach in October? Average water temperature in Ewa Beach in October is 80.8°F and therefore suitable for comfortable swimming. The warmest sea in Ewa Beach in October is 83.1°F, and the coldest is 78.3°F. Average high air temperature in Ewa Beach in October is 87°F, and average low temperature is 70°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Ewa Beach

Changes water temperature in Ewa Beach in October 2024, 2023

To get an accurate forecast for the water temperature in Ewa Beach for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Ewa Beach, 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 181°F79.7°F79.7°F82.9°F
October 281.1°F79.9°F79.5°F82.9°F
October 381.1°F80.4°F79.2°F82.8°F
October 481.1°F80.6°F79.2°F82.6°F
October 581.1°F80.8°F79.3°F82.6°F
October 681°F81°F79.5°F82.8°F
October 781°F81.1°F79°F82.8°F
October 881°F81°F79.2°F82.8°F
October 981°F81°F79°F82.9°F
October 1081°F80.8°F79°F82.9°F
October 1181.1°F80.8°F79°F83.1°F
October 1281°F80.8°F79°F82.8°F
October 1381°F81°F78.8°F82.8°F
October 1481°F81.1°F78.6°F82.6°F
October 1581°F81.3°F78.8°F82.8°F
Day 2024 2023 Min Max
October 1680.6°F81.3°F79°F82.6°F
October 1780.4°F81.1°F79°F82.4°F
October 1880.6°F81.1°F79.3°F82.2°F
October 1980.6°F81°F79.3°F82.2°F
October 2080.2°F81°F79.2°F82.6°F
October 2179.9°F81°F78.8°F82.2°F
October 2280.2°F81.1°F78.8°F82.2°F
October 2380.4°F81°F78.6°F82.2°F
October 2480.6°F81.1°F78.3°F82.2°F
October 2580.6°F81°F78.4°F82.2°F
October 2680.6°F81°F78.6°F82.6°F
October 2780.6°F81.1°F79.2°F82.4°F
October 2880.4°F81°F79.2°F82.2°F
October 2980.4°F81°F79°F82.2°F
October 3080.1°F81°F78.8°F82.2°F
October 3179.7°F81°F78.6°F82.2°F
Ewa Beach water temp chart in October

Average water temperature in Ewa Beach in October over a decade

20152016201720182019
81.5°F81.3°F81°F81.5°F82.6°F
20202021202220232024
81.9°F79.5°F81.3°F81°F80.6°F

Ewa Beach sea state in October

Chart comparing the height of waves in Ewa Beach 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 Ewa Beach in October

Weather and climate in Ewa Beach in October

This data display average monthly climate indicators in Ewa Beach 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 temperature87°F
  • Average LOW temperature70°F
  • Average rainfall48mm/1.9''

Ewa Beach 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
Iroquois Point80.8°F78.3°F83.1°F
Waipahu80.6°F78.3°F82.9°F
Hickam Housing80.6°F78.3°F82.9°F
White Plains Beach80.8°F78.3°F82.9°F
Nimitz Beach80.8°F78.4°F83.1°F
Kapolei80.8°F78.4°F83.1°F
Aiea80.6°F78.3°F82.8°F
Pearl City80.6°F78.3°F82.8°F
Ko Olina81°F78.4°F83.3°F
Electric Beach81°F78.4°F83.3°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 Ewa Beach 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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