4 Bobs Surf Break

4 Bobs Sea Temperature and Wetsuit Guide

Lat Long: 1.91° S 99.31° E

Issued: 6 am 10 Jun 2026 (local time)

Forecast update in  hr  min

Today's 4 Bobs sea temperature is
30.6° C

Slightly warmer than usual

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

Today's 4 Bobs sea temperature is 30.6 °C

(Slightly warmer than usual)

Mean: 29.8 °C
Range: 28.9 °C to 30.3 °C
Statistics for 10 Jun (1981–2005)

    Today, many surfers would wear a shorty .

    Very warm in and out of the water temperature at 4 Bobs today, but forecast to be overcast. With sea temperatures of 30 °C and a wind chill of 24 °C, most surfers will choose a shorty, boardshorts or a summer suit.

    Indonesia Sea Water Temperature

    Map of current Indonesia
    Surface Water Temperatures

    (based on measurements from oceanographic satellites)
    Indonesia Water Temperature Anomaly

    Map of current Indonesia
    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 4 Bobs. 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.

    4 Bobs 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.

    4 Bobs sea temperatures peak in the range 29 to 30°C (84 to 86°F) on around the 16th of May and are at their lowest on about the 2nd of November, in the range 25 to 29°C (77 to 84°F). Year round warm sea temperatures at 4 Bobs mean that a rash vest and board shorts should be fine for surfing at any time of year

    Actual sea surface water temperatures close to shore at 4 Bobs 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 4 Bobs. Refer to our detailed weather forecasts for this information.

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