Kahaluu water temp
This data the coastal Kahaluu 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 Kahaluu
Water temperature in Kahaluu today is 80.1°F. Based on our historical data over a period of ten years, the warmest water in this day in the Pacific Ocean near Kahaluu was recorded in 2019 and was 82°F, and the coldest was recorded in 2012 at 77.9°F. Sea water temperature in Kahaluu is expected to rise to 80.2°F in the next 10 days. September average water temperature in Kahaluu is 80.2°F, the minimum temperature is 77.5°F, and the maximum is 83.5°F.
The swimming season in Kahaluu lasts from January to December, twelve months per year! During those months, Kahaluu water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Kahaluu in winter reaches 76.3°F, in spring 76.1°F, in summer the average temperature rises to 78.8°F, and in autumn it is 79.7°F.
Kahaluu water temperature now
| September 26, 2025 |
|---|
| today temp |
| 80.1°F |
| September 25, 2025 |
|---|
| yesterday temp |
| 80.1°F |
The ocean salinity in Kahaluu is 34.94‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Kahaluu 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 Kahaluu. 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 Kahaluu. Data in table shown for September 26, 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 |
|---|---|---|---|
| 5' 1" | 5' 2" | 5' 0" | 4' 10" |
| 1.56 m | 1.57 m | 1.52 m | 1.47 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 4' 9" | 4' 8" | 4' 6" | 4' 3" |
| 1.44 m | 1.41 m | 1.37 m | 1.3 m |
Surf report in Kahaluu
Kahaluu weather forecast
Current temperature and weather
Data in a table show Kahaluu temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast Kahaluu.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  | |  |
| 76.5°F | 76.3°F | 75.9°F | 77.4°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 79°F | 81.3°F | 79.2°F | 77.9°F |
You may also be interested in other sections of our site for Kahaluu: Sunrise and Sunset, Tides
Kahaluu water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Kahaluu. 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 Kahaluu 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 | |
|---|---|---|---|---|
| January | 76.1°F | 73.9°F | 78.1°F | warm |
| Ocean water temperature in Kahaluu in January | ||||
| February | 75.4°F | 73.6°F | 77.2°F | warm |
| Ocean water temperature in Kahaluu in February | ||||
| March | 75.4°F | 73°F | 77.5°F | warm |
| Ocean water temperature in Kahaluu in March | ||||
| April | 75.9°F | 72.9°F | 78.6°F | warm |
| Ocean water temperature in Kahaluu in April | ||||
| May | 77°F | 74.3°F | 79.5°F | hot |
| Ocean water temperature in Kahaluu in May | ||||
| June | 78.1°F | 75.7°F | 80.2°F | hot |
| Ocean water temperature in Kahaluu in June | ||||
| July | 78.8°F | 76.3°F | 81.1°F | hot |
| Ocean water temperature in Kahaluu in July | ||||
| August | 79.5°F | 77.4°F | 82.8°F | hot |
| Ocean water temperature in Kahaluu in August | ||||
| September | 80.2°F | 77.5°F | 83.5°F | hot |
| Ocean water temperature in Kahaluu in September | ||||
| October | 80.1°F | 77.7°F | 82.6°F | hot |
| Ocean water temperature in Kahaluu in October | ||||
| November | 78.8°F | 76.1°F | 82°F | hot |
| Ocean water temperature in Kahaluu in November | ||||
| December | 77.2°F | 74.5°F | 79.9°F | hot |
| Ocean water temperature in Kahaluu in December | ||||
Chart monthly average water temperature in Kahaluu
