World sea water temperatures

Water temperature in Tunnels Beach (HI) in April

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Is it warm enough to swim in Tunnels Beach in April? Average water temperature in Tunnels Beach in April is 75.7°F and therefore suitable for comfortable swimming. The warmest sea in Tunnels Beach in April is 78.6°F, and the coldest is 73.4°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Tunnels Beach

Changes water temperature in Tunnels Beach in April 2025, 2024

To get an accurate forecast for the water temperature in Tunnels 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 Tunnels 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 175.6°F75.4°F73.4°F76.6°F
April 275.6°F75.2°F73.4°F76.6°F
April 375.6°F75.2°F73.4°F76.8°F
April 475.4°F75.2°F73.4°F77°F
April 575°F75°F73.6°F77.2°F
April 674.7°F75°F73.6°F77°F
April 774.5°F75.2°F73.8°F76.8°F
April 874.5°F75°F73.8°F76.8°F
April 974.7°F75°F73.8°F77°F
April 1074.3°F74.8°F73.4°F77.4°F
April 1174.1°F75.2°F73.4°F77.4°F
April 1274.1°F75.6°F73.4°F77.2°F
April 1374.5°F75.7°F73.8°F77.4°F
April 1474.7°F75.9°F73.6°F77.5°F
April 1574.8°F75.6°F73.6°F77.7°F
Day 2025 2024 Min Max
April 1674.5°F75.7°F73.8°F77.9°F
April 1774.3°F75.7°F73.9°F77.5°F
April 1874.3°F75.7°F74.3°F77.4°F
April 1974.8°F75°F74.7°F77.4°F
April 2075°F74.8°F74.3°F77.4°F
April 2175°F74.8°F73.9°F77.5°F
April 2275°F74.8°F73.8°F78.1°F
April 2375°F74.7°F73.8°F77.9°F
April 2474.8°F74.5°F73.9°F77.7°F
April 2575°F74.5°F74.1°F77.5°F
April 2675.2°F74.7°F74.1°F77.5°F
April 2775.4°F74.8°F74.3°F78.1°F
April 2875.4°F75°F74.3°F78.6°F
April 2975.4°F75.2°F74.1°F78.3°F
April 3075.4°F75.4°F74.1°F77.9°F
Tunnels Beach water temp chart in April

Average water temperature in Tunnels Beach in April over a decade

20162017201820192020
76.8°F77.4°F75.7°F75.9°F76.6°F
20212022202320242025
75.9°F76.6°F75.9°F75.2°F74.8°F

Tunnels Beach sea state in April

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

Tunnels 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
Haena Beach75.7°F73.4°F78.6°F
Kee Beach75.7°F73.4°F78.6°F
Hideaway Beach75.7°F73.4°F78.8°F
Secret Beach75.7°F73.4°F78.8°F
Lydgate Beach76.1°F73.8°F79.2°F
Polihale76.3°F73.8°F78.8°F
Hanapepe76.5°F74.1°F79.3°F
Eleele76.5°F74.1°F79.3°F
Barking Sands Beach76.5°F73.8°F79°F
Waimea76.5°F74.1°F79.3°F

Kauai photo gallery

  • Napali coast
  • Before sunrise at Haena looking east.
  • Kīlauea Lighthouse, Kaua’i
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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 Tunnels 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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