Kua Bay water temp

This data the coastal Kua Bay ocean water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current ocean temperature in Kua Bay

Water temperature in Kua Bay today is 80.4°F. Based on our historical data over a period of ten years, the warmest water in this day in Kua Bay was recorded in 2015 and was 84°F, and the coldest was recorded in 2012 at 78.8°F. Sea water temperature in Kua Bay is expected to rise to 81°F in the next 10 days. September average water temperature in Kua Bay is 81°F, the minimum temperature is 78.1°F, and the maximum is 85.5°F.

The swimming season in Kua Bay lasts from January to December, twelve months per year! During those months, Kua Bay water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Kua Bay in winter reaches 77.5°F, in spring 77.4°F, in summer the average temperature rises to 79.9°F, and in autumn it is 80.6°F.

Kua Bay water temperature now

The ocean salinity in Kua Bay is 34.93‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Kua Bay for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Kua Bay. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Kua Bay. Data in table shown for September 5, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Kua Bay

Kua Bay weather forecast

Current temperature and weather

Data in a table show Kua Bay temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Kua Bay.

0-3 h	3-6 h	6-9 h	9-12 h
69.1°F	75.6°F	74.7°F	77.7°F

12-15 h	15-18 h	18-21 h	21-24 h
79.9°F	73.2°F	71.1°F	70.2°F

Kua Bay water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Kua Bay. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Kua Bay on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Kua Bay

The nearest beaches and cities from Kua Bay with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Kukio	80.4°F	73.4°F		2' 0"
Makalawena Beach	80.4°F	73.4°F		2' 3"
Waialea Beach	80.4°F	77°F		1' 7"
Mauna Lani	80.4°F	77°F		1' 7"
Mauna Kea Beach	80.2°F	80.6°F		1' 3"
Spencer Beach	80.2°F	80.6°F		1' 3"
Magic Sands	80.4°F	75.2°F		1' 10"
Manini Beach	80.6°F	75.2°F		1' 10"
Mahukona	79.9°F	77°F		1' 9"
Kealakekua Bay	80.8°F	75.2°F		1' 10"

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Manini'owali Beach, Maniniowali Beach

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Our report for Kua Bay 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.