World sea water temperatures

Water temperature in Ewa Beach (HI) in April

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Is it warm enough to swim in Ewa Beach in April? Average water temperature in Ewa Beach in April is 76.6°F and therefore suitable for comfortable swimming. The warmest sea in Ewa Beach in April is 79.2°F, and the coldest is 74.1°F. Average high air temperature in Ewa Beach in April is 83°F, and average low temperature is 66°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 April 2025, 2024

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 April.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
April 178.3°F76.3°F74.7°F78.3°F
April 278.4°F76.1°F74.5°F78.4°F
April 378.4°F75.9°F74.5°F78.4°F
April 478.4°F75.9°F74.3°F78.4°F
April 577.7°F75.7°F74.5°F78.1°F
April 677.5°F75.6°F74.5°F78.3°F
April 777.5°F75.6°F74.7°F78.3°F
April 877.4°F75.9°F74.5°F78.1°F
April 977.2°F75.9°F74.5°F78.3°F
April 1077.2°F75.7°F74.3°F78.6°F
April 1177°F76.1°F74.1°F78.4°F
April 1277.2°F76.1°F74.1°F78.4°F
April 1377.2°F76.3°F74.3°F78.4°F
April 1477.2°F76.6°F74.3°F78.6°F
April 1577.4°F76.5°F74.3°F78.6°F
Day 2025 2024 Min Max
April 1677.5°F76.6°F74.5°F78.6°F
April 1777.7°F76.1°F74.8°F78.4°F
April 1877.7°F76.1°F75.2°F78.4°F
April 1977.5°F76.3°F75.2°F78.3°F
April 2077.4°F76.3°F74.8°F78.3°F
April 2177.4°F76.3°F74.8°F78.4°F
April 2277.7°F76.6°F74.8°F78.6°F
April 2378.1°F76.6°F74.8°F78.6°F
April 2478.4°F76.6°F74.8°F79°F
April 2578.8°F76.6°F74.8°F78.8°F
April 2679.2°F76.6°F75°F79.2°F
April 2779.2°F76.6°F75.2°F79.2°F
April 2878.8°F77°F75.2°F79°F
April 2978.8°F77.2°F75°F79.2°F
April 3079°F77.2°F75.2°F79°F
Ewa Beach water temp chart in April

Average water temperature in Ewa Beach in April over a decade

20162017201820192020
77.7°F78.4°F76.6°F76.8°F77.4°F
20212022202320242025
76.6°F76.8°F77.7°F76.3°F77.9°F

Ewa Beach sea state in April

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

Weather and climate in Ewa Beach in April

This data display average monthly climate indicators in Ewa Beach in April 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 temperature83°F
  • Average LOW temperature66°F
  • Average rainfall30mm/1.2''

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 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
Iroquois Point76.6°F74.1°F79.2°F
Waipahu76.6°F73.9°F79°F
Hickam Housing76.6°F73.9°F79°F
White Plains Beach76.8°F74.1°F79.2°F
Nimitz Beach76.8°F74.1°F79.2°F
Kapolei76.8°F74.1°F79.2°F
Aiea76.6°F73.9°F79°F
Pearl City76.6°F73.9°F79°F
Ko Olina76.8°F74.3°F79.2°F
Electric Beach76.8°F74.3°F79.2°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 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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