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Guillotines, Bawley Point

5:37 am 6 Feb 2012

Sandon Point 2011

3:09 pm 20 Jul 2011

Secret water temperature
Secret ratings
Quality on a good day: 4.0
Consistency of surf: 4.0
Crowds: 4.0

See all 18 ratings

Based on 1 vote. Vote

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Secret Water Temperature and Wetsuit Guide

(Indonesia – Nias – Hinako Islands)

Today's Secret Sea Water Temperature is: 28.5 °C (83 °F)

Statistics for 14 Feb (1981–2005) – mean: 29.3 °C, range: 28.7 °C to 30.0 °C (mean 85 °F, range: 84 °F to 86 °F)

Very warm air temperatures and very warm water(28 °C / 83 °F) too at Secret, warm enough for wearing board shorts and a rash vest in the surf. Cloudy, but feeling very pleasant in and out of the water.

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 Secret. 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.

Secret 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.

Secret sea temperatures peak in the range 29 to 30°C (84 to 86°F) on around the 17th of May and are at their coldest on about the 31st of October, in the range 26 to 29°C (79 to 84°F). Year round warm sea temperatures at Secret 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 Secret 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 Secret. Refer to our detailed weather forecasts for this information.


Latest surface water temperature for the entire globe. Click the image to view a larger version.