Fishermans Island Water Temperature and Wetsuit Guide

The water temperature (18 °C) at Fishermans Island is relatively warm. If the sun does come out as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 16 °C.

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 Fishermans 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.

Fishermans Island sea water temperatures peak in the range 23 to 27°C (73 to 81°F) on around the 25th of July and are at their lowest on about the 1st of March, in the range 6 to 12°C (43 to 54°F). Year round warm sea water temperatures at Fishermans Island climb to their warmest in late July. Even then a rash vest and board shorts should be fine for surfing at any time of year. The lowest sea water temperatures at Fishermans Island 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 at the beginning of March.

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