Today's Niagara Rivermouth sea temperature is 20.6 °C
(2.7° warmer than normal for this time of year)
| Mean: | 17.9 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 16.5 °C to 20.1 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 21 Sep (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a summer wetsuit.
The water temperature (20 °C) at Niagara Rivermouth is warm. If the sun shines as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 12 °C, allowing for wind effects.
 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 Niagara Rivermouth. 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.
Niagara Rivermouth sea temperatures peak in the range 18 to 24°C (64 to 75°F) on around the 9th of August and are at their lowest on about the 8th of February, in the range 1 to 3°C (34 to 37°F). Niagara Rivermouth sea temperatures are highest 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 lowest sea temperatures at Niagara Rivermouth 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 early to mid February.
Actual sea surface water temperatures close to shore at Niagara Rivermouth 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 Niagara Rivermouth. Refer to our detailed weather forecasts for this information.
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