Kapoho Bay Surf Break
Lat Long: 19.50° N 154.82° W

Kapoho Bay Sea Temperature and Wetsuit Guide

Weather Forecast for Kapoho Bay

Issued: 7 pm 08 Jun 2026 (local time)

Forecast update in  hr  min

Today's Kapoho Bay sea temperature is
25.5° C

Normal for this time of year

Kapoho Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Kapoho Bay sea temperature is 25.5 °C

(Normal for this time of year)

Mean: 25.4 °C
Range: 24.4 °C to 26.5 °C
Statistics for 08 Jun (1981–2005)

    Today, many surfers would wear a shorty .

    Very warm in and out of the water temperature at Kapoho Bay today, but forecast to be overcast. With sea temperatures of 25 °C and a wind chill of 24 °C, most surfers will choose a shorty, boardshorts or a summer suit.

    United States Sea Water Temperature

    Map of current United States
    Surface Water Temperatures

    (based on measurements from oceanographic satellites)
    United States Water Temperature Anomaly

    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 Kapoho Bay. 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.

    Kapoho Bay Water Temperature Graph

    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.

    Kapoho Bay sea water temperatures peak in the range 26 to 28°C (79 to 82°F) on around the 15th of September and are at their lowest on about the 28th of February, in the range 24 to 25°C (75 to 77°F). Year round warm sea water temperatures at Kapoho Bay climb to their warmest in mid September. Even then a rash vest and board shorts should be fine for surfing at any time of year. Kapoho Bay sea water temperatures are always warm but dip to their lowest in the fourth week 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 Kapoho Bay 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 Kapoho Bay. Refer to our detailed weather forecasts for this information.

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