Overview

Summerstown sits on the St. Lawrence River between Cornwall and Lancaster. The river is wide here (about 2 km) with good fetch for cross-river winds. The area is part of the St. Lawrence Seaway.

Access from Summerstown municipal beach. Parking available. North and south winds are most favorable (cross-river). Uncrowded spot. Season: June to September.

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Spot forecast for Summerstown

Sunrise 07:20 · Sunset 18:04

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< 7 kn7–12 kn13–20 kn21–30 kn31–40 kn41+ kn Gusts Your minimum: 7 kn

Forecasts provided by Open-Meteo

Summerstown: when to go?

Rideable days and hours computed for a minimum wind of 7 knots · log in to set your own (foil, twin-tip…)

Season · peak

171h

in December · 24 rideable days

Wind is uneven from month to month: the best months are December, January and March, at 24 rideable days and 0 °C. The low point is July, at 14 days.

Rideable days per month

Wind strength when it is rideable

7-12 knots · 83%13-20 knots · 16%21-30 knots · 1%

When the spot works, wind sits mostly between 7 and 12 knots — 83% of rideable hours. Big-kite territory. The coldest month is January, at -4 °C. The wettest month is August, with 83 mm.

Monthly averages: Summerstown

Monthly averages — Summerstown — averaged over 2 years of records — Weather data by Open-Meteo.com — How it is calculated
Month	Rideable days	Usable wind	Temperature	Rain
January	23.5	197 h	-4 °C	52 mm
February	19.5	134 h	-2 °C	48 mm
March	23.5	205 h	5 °C	54 mm
April	23.0	219 h	11 °C	72 mm
May	15.5	143 h	19 °C	55 mm
June	20.5	182 h	25 °C	80 mm
July	14.0	103 h	27 °C	49 mm
August	15.0	136 h	25 °C	83 mm
September	16.5	122 h	22 °C	24 mm
October	19.0	156 h	15 °C	53 mm
November	23.0	172 h	5 °C	60 mm
December	24.0	171 h	-2 °C	59 mm

Photo gallery of Summerstown

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Technical details of Summerstown spot

The spot works with winds from N, NNE, NE, ENE, S, SSW, SW, WSW, NNW.

Rideable Not rideable

Spot opening date · Required level

Spot opening date: Open all year round
Required level: Intermediate

On the water

St. Lawrence River — about 2 km wide in this area. Freshwater with moderate current. Sandy to rocky bottom. Variable depth. Moderate chop in cross-river winds. Water 18-22°C in summer.

Hazards

St. Lawrence River current — do not drift. Commercial marine traffic (seaway). Large cargo ships — stay away from the navigation channel. Strong current possible after heavy rain.

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Live

ST-ANICET 117 kmsource Environment Canada

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Additional stations

ER-14 Curry Hill14.7 km

Readings reserved for Premium members
source Environment Canada
Ogimet - St Anicet (Canada)17.4 km

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source ogimet

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Webcams near Summerstown

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Nearby spots

All spots: Ontario

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Summerstown kitesurf, wingfoil and windsurf spot