Mauna Kea Beach water temp

This data the coastal Mauna Kea Beach 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 Mauna Kea Beach

Water temperature in Mauna Kea Beach today is 80.2°F. Based on our historical data over a period of ten years, the warmest water in this day in the Pacific Ocean near Mauna Kea Beach was recorded in 2015 and was 84°F, and the coldest was recorded in 2012 at 78.8°F. Sea water temperature in Mauna Kea Beach is expected to rise to 81°F in the next 10 days. September average water temperature in Mauna Kea Beach is 81°F, the minimum temperature is 78.1°F, and the maximum is 85.5°F.

The swimming season in Mauna Kea Beach lasts from January to December, twelve months per year! During those months, Mauna Kea Beach water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Mauna Kea Beach in winter reaches 77.4°F, in spring 77.4°F, in summer the average temperature rises to 79.7°F, and in autumn it is 80.6°F.

Mauna Kea Beach water temperature now

Surf Forecast in Mauna Kea Beach 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 Mauna Kea Beach. 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 Mauna Kea Beach. 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 Mauna Kea Beach

Mauna Kea Beach weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
70.5°F	68.7°F	66.9°F	75.6°F

12-15 h	15-18 h	18-21 h	21-24 h
79.7°F	80.2°F	75.2°F	71.2°F

Mauna Kea Beach water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Mauna Kea Beach. 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 Mauna Kea Beach 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 Mauna Kea Beach

The nearest beaches and cities from Mauna Kea Beach 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
Spencer Beach	80.2°F	80.6°F		1' 3"
Mauna Lani	80.4°F	77°F		1' 7"
Mahukona	79.9°F	77°F		1' 9"
Kukio	80.4°F	73.4°F		2' 0"
Makalawena Beach	80.4°F	73.4°F		2' 3"
Kailua Kona	80.4°F	78.8°F		1' 10"
Kahaluu-Keauhou	80.6°F	75.2°F		1' 11"
Manini Beach	80.6°F	75.2°F		1' 10"
Kealakekua Bay	80.8°F	75.2°F		1' 10"
Honaunau Bay	80.8°F	75.2°F		1' 10"

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Kaunaʻoa Bay, Kaunaʻoa Beach, Kaunaoa Beach

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Our report for Mauna Kea 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.