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Seabrook Beach water temperature
Seabrook Beach ratings
Quality on a good day: 2.0
Consistency of Surf: 3.0
Difficulty Level: 3.0
Crowds: 4.0

Overall: 3.3

See all 18 ratings

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Seabrook Beach Water Temperature and Wetsuit Guide

(New Hampshire, USA)

Today's Seabrook Beach sea temperature is 10.8 °C.

Statistics for 22 May (1981–2005) – mean: 10.0 °C, range: 8.4 °C to 11.4 °C

Mild or warm air temperatures (wind chill 18 °C) and rather cooler water temperatures (10 °C) at Seabrook Beach today. Surfers will need a quality spring wetsuit and perhaps a neoprene hood, gloves and boots.

United States Sea Water Temperature

Map of current United States
Surface Water Temperatures
based on measurements from oceanographic satellites
United States Water Temperature Anomaly

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 Seabrook 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.

Seabrook Beach Water Temperature Graph

All of the graphs for the surf breaks presented on are on the same scale to enable comparison between locations around the world.

Seabrook Beach sea temperatures peak in the range 18 to 21°C (64 to 70°F) on around the 8th of August and are at their minimum on about the 26th of February, in the range 2 to 4°C (36 to 39°F). The maximum Seabrook Beach sea temperatures in early to mid August require something like a 3/2mm fully sealed wetsuit. The minimum sea temperatures at Seabrook Beach 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 fourth week of February.

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