Overview

Kitesurf spot at Saint-Mathias-sur-Richelieu, on the Richelieu River in Montérégie. The Richelieu River connects Lake Champlain to the St. Lawrence River. In the Saint-Mathias area, the river widens enough to offer rideable water. The freshwater and green banks create a pleasant rural setting. Wind is sometimes disrupted by riverside vegetation. Spot easily accessible from Montreal (40 min).

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Spot forecast for St. Mathias

Sunrise 07:16 · Sunset 17:59

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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

St. Mathias: 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

182h

in July · 22.5 rideable days

The season runs from March to August, peaking in July: 21 rideable days a month and 182 hours of usable wind, at 19 °C. The low point is September, at 14.5 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 July, with 238 mm.

Monthly averages: St. Mathias

Monthly averages — St. Mathias — averaged over 2 years of records — Weather data by Open-Meteo.com — How it is calculated
Month	Rideable days	Usable wind	Temperature	Rain
January	15.5	112 h	-4 °C	56 mm
February	16.5	123 h	-2 °C	47 mm
March	19.0	168 h	6 °C	67 mm
April	22.0	191 h	12 °C	89 mm
May	20.5	174 h	20 °C	32 mm
June	21.5	199 h	25 °C	147 mm
July	22.5	182 h	27 °C	238 mm
August	19.5	159 h	26 °C	131 mm
September	14.5	106 h	23 °C	43 mm
October	19.5	144 h	16 °C	52 mm
November	17.0	106 h	6 °C	61 mm
December	16.0	111 h	-3 °C	61 mm

Photo gallery of St. Mathias

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Technical details of St. Mathias spot

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

Rideable Not rideable

Spot opening date · Required level

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

On the water

Richelieu River, freshwater. The river is relatively wide in this area. Moderate current northward (toward the river). Warm freshwater in summer (20-24°C). Sandy to muddy bottom. Fetch limited by river width. Low chop. Shared navigation with recreational boats.

Hazards

River current — can prevent return upstream. Riding space limited by width. Trees and dense vegetation on banks creating turbulence. Recreational boating. Shallows possible. Muddy bottom.

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Live

YS1AHL-242.7 kmsource CWOP / APRS-IS

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Additional stations

YS1AHL-2212.6 km

Readings reserved for Premium members
source CWOP / APRS-IS
YS1AHL-2715.6 km

Readings reserved for Premium members
source CWOP / APRS-IS

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Nearby spots

All spots: Québec

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St. Mathias kitesurf and wingfoil spot