World sea water temperatures

Water temperature in Port Allen (HI) in May

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Is it warm enough to swim in Port Allen in May? Average water temperature in Port Allen in May is 77.7°F and therefore suitable for comfortable swimming. The warmest sea in Port Allen in May is 80.4°F, and the coldest is 75°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Port Allen

Changes water temperature in Port Allen in May 2025, 2024

To get an accurate forecast for the water temperature in Port Allen for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Port Allen, 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 178.1°F77.2°F75°F78.4°F
May 278.1°F77.2°F75.2°F78.8°F
May 378.3°F77.7°F75.2°F79°F
May 478.1°F77.5°F75.2°F79°F
May 577.9°F77.2°F75.4°F78.8°F
May 677.9°F77.4°F75.7°F78.8°F
May 777.9°F77.2°F75.2°F78.8°F
May 877.9°F77°F75°F79°F
May 977.9°F77.4°F75.2°F79.2°F
May 1077.9°F78.1°F75.4°F79.2°F
May 1177.7°F77.7°F75°F79.2°F
May 1277.7°F77.4°F75.6°F79.2°F
May 1377.7°F77.7°F75.6°F79.3°F
May 1477.5°F77.5°F75.9°F79.2°F
May 1577.7°F78.4°F75.7°F79.2°F
Day 2025 2024 Min Max
May 1677.2°F78.3°F75.6°F79.2°F
May 1777.4°F77.7°F75.9°F79°F
May 1877.7°F77.9°F76.5°F79.2°F
May 1977.7°F77.9°F76.5°F79.3°F
May 2077.9°F77.9°F76.8°F79.7°F
May 2178.1°F78.1°F76.5°F79.7°F
May 2278.1°F78.4°F76.8°F79.7°F
May 2378.3°F78.4°F76.8°F79.7°F
May 2478.4°F78.1°F77°F80.1°F
May 2578.3°F78.1°F77°F79.5°F
May 2678.3°F77.9°F76.8°F79.3°F
May 2778.3°F77.9°F76.8°F79.5°F
May 2878.3°F77.9°F77°F79.5°F
May 2978.4°F77.7°F76.6°F80.4°F
May 3078.8°F77.7°F76.3°F80.4°F
May 3178.8°F77.5°F76.6°F80.2°F
Port Allen water temp chart in May

Average water temperature in Port Allen in May over a decade

20162017201820192020
78.4°F79.3°F76.1°F78.4°F78.3°F
20212022202320242025
77.9°F77.5°F77.5°F77.7°F77.9°F

Port Allen sea state in May

Chart comparing the height of waves in Port Allen 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 Port Allen in May

Port Allen 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
Lawai Beach77.5°F74.8°F80.2°F
Wailua77.4°F74.7°F79.9°F
Kapaa77.4°F74.7°F79.9°F
Polihale77.7°F74.8°F80.4°F
Kee Beach77.2°F73.8°F79.7°F
Tunnels Beach77.2°F74.5°F79.7°F
Hanalei77.2°F74.5°F79.7°F
Princeville77.2°F74.5°F79.7°F
Hideaway Beach77.2°F74.5°F79.7°F
Anini Beach77.2°F74.5°F79.7°F

Kauai photo gallery

  • Before sunrise at Haena looking east.
  • Napali coast
  • Hanalei
  • 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 Port Allen 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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