St. Mary's Reservoir

Current Conditions

Current conditions at 12/14 7:00 PM - CARDSTON (AUT) - 16 km away.

December 6, 2025
Sunrise
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Sunset
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Moon Phase Tonight
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Moon Phase
 

Wind Forecast

Dec-14
Sunday
14-December
12 am 3 6 9 12 pm 3 6 9
Direction
 
 
Speed (knots) 8 5
Temp C             8 5
Precip (mm/3hr)            
Cloud Cover
Snow Depth (cm)            
Dec-15
Monday
15-December
12 am 3 6 9 12 pm 3 6 9
Direction
 
 
 
 
 
 
 
 
Speed (knots) 7 7 7 9 16 23 22 20
Temp C 3 4 5 7 11 12 11 11
Precip (mm/3hr)
Cloud Cover
Snow Depth (cm)
 
Dec-16
Tuesday
16-December
12 am 3 6 9 12 pm 3 6 9
Direction
 
 
 
 
 
 
 
 
Speed (knots) 13 24 19 16 13 11 13 8
Temp C 8 8 6 5 5 7 6 4
Precip (mm/3hr)
Cloud Cover
Snow Depth (cm)
 
Dec-17
Wednesday
17-December
12 am 3 6 9 12 pm 3 6 9
Direction
 
 
 
 
 
 
 
 
Speed (knots) 7 13 12 14 27 26 17 6
Temp C 3 7 8 6 4 3 2 -5
Precip (mm/3hr) 0.1
Cloud Cover
Snow Depth (cm)
 
Dec-18
Thursday
18-December
12 am 3 6 9 12 pm 3 6 9
Direction
 
 
 
 
 
 
 
 
Speed (knots) 3 3 6 6 7 9 7 6
Temp C -8 -8 -6 -6 -1 1 1 1
Precip (mm/3hr)
Cloud Cover
Snow Depth (cm)
 
Dec-19
Friday
19-December
12 am 3 6 9 12 pm 3 6 9
Direction
 
 
 
 
 
 
 
 
Speed (knots) 14 13 12 9 4 10 8 6
Temp C 5 7 6 5 5 -2 -7 -9
Precip (mm/3hr) 0.4 0.8 0.6
Cloud Cover
Snow Depth (cm) 0.3 2.3 4.0
 
Dec-20
Saturday
20-December
12 am 3 6 9 12 pm 3 6 9
Direction
 
 
 
Speed (knots) 3 2 4
Temp C -10 -11 -13          
Precip (mm/3hr)          
Cloud Cover
Snow Depth (cm) 4.0 4.0 4.0          
 

Current Observations from sourced from NOAA Aviation Weather Center (AWC). Forecasts based on MSC’s GDPS (GEM-Global) model

 

Nearby Stations

The following stations are near this spot.

Name ICAO Date Distance (Km) Wind Speed Direction Status Conditions
CARDSTON (AUT) CWFJ 12/14 7:00 PM 16.0 5
 
Wind: 5 kt Temp: 10°C
LETHBRIDGE VOR CYQL 12/14 7:00 PM 43.0 20
 
Wind: 20 kt gusting 28 kt Clouds: broken at 25000 ft Temp: 9°C Pressure: 1010 hPa
WATERTON PARK GA CWGM 12/14 7:00 PM 50.4 13
 
Wind: 13 kt gusting 24 kt Temp: 10°C
PINCHER CREEK(M CZPC 12/14 7:00 PM 65.0 29
 
Wind: 29 kt Clouds: clear Temp: 9°C Pressure: 1010 hPa
St. Mary Reservoir CPMR 5.3 No records found
BLOOD TRIBE AGDM CPBT 28.1
RAYMOND AGDM CPRY 38.6
DEL BONITA AGDM CXDB 39.2
LETHBRIDGE DEMO CPQL 49.6
BROCKET AGDM CXBR 58.0
IRON SPRINGS CPIR 71.0

Spot Details

Wally's Beach, 45 min SW of Lethbridge near Cardston is an option in the extreme south of Alberta. Grass and sandy rigging, relatively cool water, and an extremly picturesque setting near the mountains. West winds produce a superb onshore ocean-like ridable 2m wave break over rock reef when water is high in late spring and winds blow over 60 km. The launch is a little sketchy with a kite (onshore with big trees) ... it is better for kiting when the water level is low.

Source: Windsurfingalberta.com

Simply huge waves when the Chinooks are howling.

Water levels can be an issue.

Alberta Recreation Area.
Camping Info

More info at Force10.ca
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Force Ten Boardsailing Club.

Riders