Today's San Jose Island sea temperature is 28.9 °C
(1.4°C warmer than normal for this time of year)
| Mean: | 27.5 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 26.4 °C to 28.7 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 09 Jun (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a rashvest wetsuit.
Sunny with very warm air temperatures, feeling like 27 °C once we account for any wind. Sea temperatures (28 °C) very warm too. Staying comfortable in the water at San Jose Island won't be a problem, but wear at least a rash-vest to keep the UV off.
 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 San Jose Island. 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.
San Jose Island water temperatures peak in the range 28 to 30°C (82 to 86°F) on around the 23rd of August and are at their lowest on about the 5th of February, in the range 16 to 20°C (61 to 68°F). Year round warm water temperatures at San Jose Island climb to their highest in the fourth week of August. Even then a rash vest and board shorts should be fine for surfing at any time of year. The lowest San Jose Island water temperatures at the beginning of February require something like a 3/2mm fully sealed wetsuit.
Actual sea surface water temperatures close to shore at San Jose Island 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 San Jose Island. Refer to our detailed weather forecasts for this information.
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