Grand Blvd Water Temperature and Wetsuit Guide
(Long Island New York, USA)
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Today's Grand Blvd sea temperature is 14.0 °C
(Which is 2.0°C warmer than normal for this time of year)
| Mean: | 12.0 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 9.2 °C to 14.6 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 21 May (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a spring wetsuit and neoprene boots.
The Grand Blvd water temperature is rather cool (14 °C) and the air temperature will feel about the same. A good quality spring wetsuit with optional neoprene boots should suffice. No need for wetsuit gloves.
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 Grand Blvd. 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.
Grand Blvd sea temperatures peak in the range 21 to 24°C (70 to 75°F) on around the 9th of August and are at their minimum on about the 1st of March, in the range 2 to 4°C (36 to 39°F). Grand Blvd sea temperatures are always warm reach their warmest in early to mid August. You'll need a 2mm neoprene top or a shorty at dawn/dusk or if it's windy. The minimum sea temperatures at Grand Blvd 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 Grand Blvd 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 Grand Blvd. Refer to our detailed weather forecasts for this information.
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