The surf forecast is flat right now for St Catharine's Beach, ON

  • WEATHER - LIVE
    70° SSE @ 2mph
  • BUOY 45139
    1ft @ 3s
  • WATER TEMP
    73° Wetsuit Top

Forecast

  • 8ft
  • 6ft
  • 4ft
  • 2ft
SAT 15
SUN 16
MON 17
TUE 18
2am
  • Clean
  • Fair
  • Choppy
Conditions are flat and fair at 2am on Sat 8/15
Compass Map
Forecast CompassCompass Wind ArrowCompass Primary Swell ArrowCompass Secondary Swell Arrow
Wind Arrow
WINDE 4 mph
Primary Swell Arrow
PRIMARYS (180) 0 ft @ 0 sec
Secondary Swell Arrow
SECONDARY
No Tide Data

Forecast Details

Basic
Detail
Forecast
History
  • Saturday, Aug 15
    SURFWINDSWELL
    6am
    flat
    fair
    E
    7mph
    0ft
    0s
    S
    12pm
    0-1 ft
    choppy
    ENE
    9mph
    1.2ft
    3s
    NE
    6pm
    1 ft
    choppy
    ENE
    14mph
    1.8ft
    4s
    NE
  • Sunday, Aug 16
    SURFWINDSWELL
    6am
    0-1 ft
    fair
    ESE
    8mph
    1ft
    4s
    ENE
    12pm
    0-1 ft
    clean
    SSW
    3mph
    1.1ft
    4s
    ENE
    6pm
    flat
    clean
    SW
    10mph
    0.7ft
    4s
    ENE
  • Monday, Aug 17
    SURFWINDSWELL
    6am
    flat
    fair
    NW
    12mph
    1ft
    3s
    NNW
    12pm
    flat
    choppy
    NNW
    11mph
    1ft
    3s
    NNW
    6pm
    flat
    choppy
    N
    9mph
    0.3ft
    2s
    N
  • Tuesday, Aug 18
    SURFWINDSWELL
    6am
    flat
    clean
    WSW
    6mph
    0.3ft
    3s
    NNE
    12pm
    flat
    clean
    W
    6mph
    0ft
    0s
    S
    6pm
    flat
    clean
    SSW
    16mph
    0ft
    0s
    S
  • Wednesday, Aug 19
    SURFWINDSWELL
    6am
    flat
    clean
    SSW
    13mph
    1ft
    3s
    SW
    12pm
    flat
    clean
    SW
    15mph
    1.2ft
    3s
    SW
    6pm
    flat
    clean
    WSW
    10mph
    0.8ft
    3s
    WSW
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This forecast is for beaches with direct offshore winds from South to West, and was updated Aug 14, 2026 @ 9:34pm.
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