Water temperature in Lanikai (HI) in August

Is it warm enough to swim in Lanikai in August? Average water temperature in Lanikai in August is 79.9°F and therefore suitable for comfortable swimming. The warmest sea in Lanikai in August is 83.7°F, and the coldest is 77.5°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Lanikai

Changes water temperature in Lanikai in August 2025, 2024

To get an accurate forecast for the water temperature in Lanikai for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Lanikai, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of August.

Average water temperature in Lanikai in August over a decade

Chart comparing the height of waves in Lanikai in August 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.

You can also view information about water temperature for other months by clicking on the month button below

The nearest locations with the average water temperature in August. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

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Our report for Lanikai 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.