Today's Port Aransas sea temperature is 24.5 °C
(Slightly warmer than usual (0.6° above average))
| Mean: | 23.9 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 22.5 °C to 25.6 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 10 Nov (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a shorty .
Warm in and out of the water temperature at Port Aransas today, but forecast to be overcast. With sea temperatures of 24 °C and a wind chill of 21 °C, most surfers will choose a shorty or a summer suit or just board shorts.
 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 Port Aransas. 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.
Port Aransas sea water temperatures peak in the range 28 to 30°C (82 to 86°F) on around the 22nd of August and are at their minimum on about the 5th of February, in the range 16 to 20°C (61 to 68°F). Year round warm sea water temperatures at Port Aransas climb to their highest in the second half of August. Even then a rash vest and board shorts should be fine for surfing at any time of year. The minimum Port Aransas sea 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 Port Aransas 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 Port Aransas. Refer to our detailed weather forecasts for this information.
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