World sea water temperatures

Water temperature in Tunnels Beach (HI) in May

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Is it warm enough to swim in Tunnels Beach in May? Average water temperature in Tunnels Beach in May is 77.2°F and therefore suitable for comfortable swimming. The warmest sea in Tunnels Beach in May is 79.7°F, and the coldest is 74.5°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 May 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 May.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
May 175.4°F75.9°F74.5°F78.1°F
May 275.4°F75.7°F74.7°F78.3°F
May 375.2°F75.9°F75°F78.4°F
May 475.2°F76.1°F75.2°F78.4°F
May 575.2°F76.1°F75.2°F78.4°F
May 675.2°F76.3°F75.2°F78.4°F
May 775.4°F76.1°F75°F78.4°F
May 875.2°F76.1°F74.8°F78.8°F
May 975°F76.3°F75°F79.2°F
May 1075.2°F76.3°F75.2°F79°F
May 1174.8°F76.5°F74.8°F79°F
May 1274.7°F76.1°F74.7°F79°F
May 1374.7°F76.5°F74.7°F79°F
May 1474.5°F76.6°F74.5°F79°F
May 1574.5°F77°F74.5°F78.8°F
Day 2025 2024 Min Max
May 1674.5°F76.6°F74.5°F78.8°F
May 1774.5°F76.6°F74.5°F78.8°F
May 1874.7°F76.6°F74.7°F78.8°F
May 1974.8°F76.8°F74.8°F79°F
May 2075.2°F76.6°F75.2°F79.2°F
May 2175.4°F77°F75.4°F79.2°F
May 2275.2°F77.4°F75.2°F79.2°F
May 2375.4°F77.2°F75.4°F79.2°F
May 2475.4°F77.4°F75.4°F79.5°F
May 2575.4°F77.2°F75.4°F79.3°F
May 2675.2°F77.2°F75.2°F79.3°F
May 2775.2°F77.2°F75.2°F79.2°F
May 2875.6°F77°F75.6°F79.2°F
May 2975.6°F76.8°F75.6°F79.5°F
May 3075.7°F76.8°F75.7°F79.5°F
May 3175.4°F76.8°F75.4°F79.7°F
Tunnels Beach water temp chart in May

Average water temperature in Tunnels Beach in May over a decade

20162017201820192020
78.1°F78.8°F75.9°F77.9°F77.7°F
20212022202320242025
77°F77.5°F77.4°F76.6°F75°F

Tunnels Beach sea state in May

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

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 May?

Want to know where the water temperature in May 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 May. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Haena Beach77.2°F73.8°F79.7°F
Kee Beach77.2°F73.8°F79.7°F
Hideaway Beach77.2°F74.5°F79.7°F
Secret Beach77.2°F74.5°F79.7°F
Lydgate Beach77.4°F74.8°F79.9°F
Polihale77.7°F74.8°F80.4°F
Hanapepe77.7°F75.2°F80.4°F
Eleele77.7°F75.2°F80.4°F
Barking Sands Beach77.7°F75°F80.4°F
Waimea77.7°F75.2°F80.6°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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