Today's Hamilton Beach State Park sea temperature is 22.9 °C
(1.8° warmer than normal for this time of year)
| Mean: | 21.1 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 18.8 °C to 23.4 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 27 Jul (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a shorty .
Warm in and out of the water temperature at Hamilton Beach State Park today, but forecast to be overcast. With sea temperatures of 22 °C and a wind chill of 22 °C, most surfers will choose a shorty or a summer suit or just board shorts.
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Below is a graph of Historical Sea Surface Temperature for Hamilton Beach State Park. 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.
Hamilton Beach State Park sea temperatures peak in the range 18 to 24°C (64 to 75°F) on around the 10th of August and are at their minimum on about the 13th of February, in the range 1 to 3°C (34 to 37°F). Hamilton Beach State Park sea temperatures are maximum in early to mid August. Surfers should use a 2mm long sleeve shorty or a 3/2mm spring wetsuit if the wind is up. The minimum sea temperatures at Hamilton Beach State Park mean that you will need a flexible 6/5/4mm wetsuit or a well fitting 5/4mm wetsuit with gloves and 5mm neoprene booties and a hood to surf here in the third week of February.
Actual sea surface water temperatures close to shore at Hamilton Beach State Park 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 Hamilton Beach State Park. Refer to our detailed weather forecasts for this information.


