World sea water temperatures

Water temperature in Lahaina (HI) in August

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Is it warm enough to swim in Lahaina in August? Average water temperature in Lahaina in August is 80.4°F and therefore suitable for comfortable swimming. The warmest sea in Lahaina in August is 83.8°F, and the coldest is 77.9°F. Average high air temperature in Lahaina in August is 88°F, and average low temperature is 71°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Lahaina

Changes water temperature in Lahaina in August 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
August 181.5°F79.2°F78.3°F82.6°F
August 281.3°F79.2°F78.4°F82.4°F
August 381.7°F79.2°F78.4°F82.2°F
August 481.5°F79.3°F78.4°F82.6°F
August 581.1°F79.7°F78.4°F82.4°F
August 681°F80.1°F78.6°F82.2°F
August 781.9°F80.1°F78.4°F82.6°F
August 881.7°F80.1°F78.1°F82.4°F
August 981.5°F79.9°F78.1°F82.4°F
August 1081.3°F80.2°F78.1°F82.4°F
August 1181.3°F80.4°F78.1°F82.4°F
August 1282°F80.4°F78.1°F82.4°F
August 1381.7°F80.2°F78.3°F82.6°F
August 1481.9°F80.4°F78.4°F83.1°F
August 1582°F80.6°F78.1°F82.6°F
Day 2025 2024 Min Max
August 1682°F81.1°F78.3°F82.4°F
August 1782°F81.3°F78.3°F82.9°F
August 1882.2°F81.3°F78.3°F83.3°F
August 1982°F81.3°F78.3°F83.3°F
August 2082°F81.1°F78.4°F83.7°F
August 2181.9°F81.3°F78.6°F83.3°F
August 2281.9°F81.3°F78.6°F83.8°F
August 2381.5°F81.1°F78.6°F83.8°F
August 2481.3°F80.8°F78.4°F83.8°F
August 2581.1°F80.8°F78.3°F83.7°F
August 2681.3°F81°F78.3°F83.5°F
August 2781.3°F80.4°F78.3°F83.7°F
August 2881.1°F80.1°F78.1°F83.7°F
August 2981°F80.4°F77.9°F83.7°F
August 3080.8°F80.6°F77.9°F83.7°F
August 3180.6°F80.4°F78.1°F83.5°F
Lahaina water temp chart in August

Average water temperature in Lahaina in August over a decade

20162017201820192020
81.3°F81°F81°F82.9°F80.4°F
20212022202320242025
80.1°F81°F80.6°F80.4°F81.5°F

Lahaina sea state in August

Chart comparing the height of waves in Lahaina 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.

Waves height in Lahaina in August

Weather and climate in Lahaina in August

This data display average monthly climate indicators in Lahaina in August 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 temperature88°F
  • Average LOW temperature71°F
  • Average rainfall days7 days
  • Average rainfall64mm/2.5''
  • Average daylight13h
  • Average sunshine9h
  • Average UV index12

Lahaina 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 August?

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

AvrMinMax
Olowalu80.2°F77.9°F83.7°F
Kaanapali80.2°F77.7°F83.7°F
Kahekili Beach Park80.2°F77.7°F83.7°F
Kahana80.1°F77.7°F83.5°F
Waihee-Waiehu79.3°F77°F83.1°F
Maalaea80.2°F77.9°F83.7°F
Sugar Beach80.2°F77.9°F83.7°F
Napili Bay79.7°F77.4°F83.3°F
Kapalua79.5°F77.2°F83.1°F
Honolua Bay79.5°F77.2°F83.1°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 Lahaina 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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