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Saint Annes Water Temperature and Wetsuit Guide

(San Luis Obispo, USA)

Today's Saint Annes sea temperature is 12.2 °C.

Statistics for 28 Mar (1981–2005) – mean: 13.2 °C, range: 11.8 °C to 14.6 °C

The Saint Annes water temperature is rather cold (12 °C). Although it will be cloudy today, air temperatures will be relatively mild, feeling like 10 °C, so feeling about the same in the water as out of it. A winter steamer or even a good quality spring wetsuit and neoprene boots should suffice. Wear a hood and gloves if you have not been surfing for a while.

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 Saint Annes. 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.

Saint Annes 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.

Saint Annes sea temperatures peak in the range 16 to 18°C (61 to 64°F) on around the 5th of September and are at their minimum on about the 7th of April, in the range 11 to 15°C (52 to 59°F). The maximum seasonal sea temperatures at Saint Annes at the beginning of September lend themselves to a 4/3mm wetsuit or a 3/2mm suit and 3mm neoprene boots. The minimum sea temperatures at Saint Annes in the first part of April are ideally suited to a 4/3mm wetsuit + 3mm boots, although a 5/3mm wetsuit may be preferable for longer sessions and cold windy days.

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