This data the coastal Mauna Lani 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.
Water temperature in Mauna Lani today is 81°F. Based on our historical data over a period of ten years, the warmest water in this day in Mauna Lani was recorded in 2019 and was 83.3°F, and the coldest was recorded in 2010 at 79.3°F. Sea water temperature in Mauna Lani is expected to be constant 81°F in the next 10 days. October average water temperature in Mauna Lani is 80.8°F, the minimum temperature is 78.6°F, and the maximum is 83.5°F.
The swimming season in Mauna Lani lasts from January to December, twelve months per year! During those months, Mauna Lani water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Mauna Lani 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.
October 1, 2025 |
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today temp |
81°F |
September 30, 2025 |
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yesterday temp |
81.3°F |
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 Lani. 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 Lani. Data in table shown for October 1, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
2' 6" | 2' 5" | 2' 4" | 2' 4" |
0.75 m | 0.73 m | 0.72 m | 0.72 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
2' 4" | 2' 4" | 2' 4" | 2' 4" |
0.7 m | 0.7 m | 0.7 m | 0.71 m |
Data in a table show Mauna Lani temperature today (October 1, 2025). For more information and forecast for a few days, go to the weather forecast Mauna Lani.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
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68.4°F | 67.8°F | 66.6°F | 74.1°F |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
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77.5°F | 76.6°F | 72.7°F | 71.4°F |
You may also be interested in other sections of our site for Mauna Lani: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Mauna Lani. 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 Lani 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
Month | Avr | Min | Max | |
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January | 77.2°F | 75.2°F | 79.2°F | hot |
Ocean water temperature in Mauna Lani in January | ||||
February | 76.6°F | 74.3°F | 78.4°F | warm |
Ocean water temperature in Mauna Lani in February | ||||
March | 76.6°F | 73.4°F | 79.3°F | warm |
Ocean water temperature in Mauna Lani in March | ||||
April | 77.2°F | 73.8°F | 79.2°F | hot |
Ocean water temperature in Mauna Lani in April | ||||
May | 78.3°F | 76.1°F | 81°F | hot |
Ocean water temperature in Mauna Lani in May | ||||
June | 79°F | 76.3°F | 81.3°F | hot |
Ocean water temperature in Mauna Lani in June | ||||
July | 79.9°F | 77.2°F | 82.4°F | hot |
Ocean water temperature in Mauna Lani in July | ||||
August | 80.4°F | 78.1°F | 83.8°F | hot |
Ocean water temperature in Mauna Lani in August | ||||
September | 81°F | 78.1°F | 85.5°F | hot |
Ocean water temperature in Mauna Lani in September | ||||
October | 80.8°F | 78.6°F | 83.5°F | hot |
Ocean water temperature in Mauna Lani in October | ||||
November | 79.9°F | 77°F | 82.4°F | hot |
Ocean water temperature in Mauna Lani in November | ||||
December | 78.3°F | 75.7°F | 81°F | hot |
Ocean water temperature in Mauna Lani in December |