Today's Keaau sea temperature is 26.2 °C
(Normal for this time of year)
| Mean: | 25.8 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 24.8 °C to 26.6 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 21 Jun (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a rashvest wetsuit.
Sunny with very warm air temperatures, feeling like 27 °C once we account for any wind. Sea temperatures (26 °C) very warm too. Staying comfortable in the water at Keaau won't be a problem, but wear at least a rash-vest to keep the UV off.
 Map of current United States Surface Water Temperatures (based on measurements from oceanographic satellites) |  Map of current United States Sea Water Temperature Anomalies (compared with long term averages at this time of year) |
click thumbnails to expand
Below is a graph of Historical Sea Surface Temperature for Keaau. This has been derived from analysis of two decades of oceanographic satellite measurements of nearby open water. We have calculated the average water temperature variation around the year as well as the extremes that have been observed on each date.
All of the graphs for the surf breaks presented on Surf-Forecast.com are on the same scale to enable comparison between locations around the world.
Keaau water temperatures peak in the range 26 to 28°C (79 to 82°F) on around the 20th of September and are at their coldest on about the 7th of February, in the range 23 to 25°C (73 to 77°F). Year round warm water temperatures at Keaau climb to their highest in mid to late September. Even then a rash vest and board shorts should be fine for surfing at any time of year. Keaau water temperatures are always warm but dip to their coldest in the first part of February. You'll need a 2mm neoprene top or a shorty at dawn/dusk or if it's windy.
Actual sea surface water temperatures close to shore at Keaau can vary by several degrees compared with these open water averages. This is especially true after heavy rain, close to river mouths or after long periods of strong offshore winds. Offshore winds cause colder deep water to replace surface water that has been warmed by the sun. Air temperature, wind-chill and sunshine should also be considered before deciding on the kind of wetsuit needed to stay warm when surfing at Keaau. Refer to our detailed weather forecasts for this information.
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