Dillon Beach Water Temperature and Wetsuit Guide
(Marin County, USA)
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Today's Dillon Beach sea temperature is 13.2 °C
(Which is 1.3°C warmer than normal for this time of year)
| Mean: | 11.9 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 9.8 °C to 13.9 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 07 May (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a spring wetsuit, a neoprene hood, gloves and boots.
The water temperature (13 °C) at Dillon Beach is fairly cool. Despite the sun, a windchill factor of (9 °C) means that surfers will need a good quality spring wetsuit, a neoprene hood. Some surfers would wear gloves and boots.
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 Dillon Beach. 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.
Dillon Beach sea temperatures peak in the range 13 to 17°C (55 to 63°F) on around the 3rd of September and are at their coldest on about the 7th of April, in the range 10 to 14°C (50 to 57°F). The warmest sea temperatures at Dillon Beach at the start of September 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. At its coldest in the first part of April, low sea temperatures at Dillon Beach are suited to a 5/4mm or 5/3mm good quality wetsuit with neoprene gloves and 3mm boots. You will need a hood if it's windy or the air is cold.
Actual sea surface water temperatures close to shore at Dillon Beach 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 Dillon Beach. Refer to our detailed weather forecasts for this information.
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