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

  • WEATHER - LIVE
    74° S @ 7mph
  • BUOY 45139
    0.7ft @ 3s
  • WATER TEMP
    73° Long Arm Spring

Forecast

  • 8ft
  • 6ft
  • 4ft
  • 2ft
SAT 18
SUN 19
MON 20
TUE 21
11pm
  • Clean
  • Fair
  • Choppy
Conditions are flat and clean at 11pm on Fri 7/17
Compass Map
Forecast CompassCompass Wind ArrowCompass Primary Swell ArrowCompass Secondary Swell Arrow
Wind Arrow
WINDS 8 mph
Primary Swell Arrow
PRIMARYS (180) 0 ft @ 0 sec
Secondary Swell Arrow
SECONDARY
No Tide Data

Forecast Details

Basic
Detail
Forecast
History
  • Saturday, Jul 18
    SURFWINDSWELL
    6am
    flat
    clean
    SW
    15mph
    0ft
    0s
    S
    12pm
    flat
    clean
    SW
    19mph
    1.4ft
    3s
    SW
    6pm
    flat
    clean
    WNW
    18mph
    2ft
    4s
    WNW
  • Sunday, Jul 19
    SURFWINDSWELL
    6am
    0-1 ft
    choppy
    N
    16mph
    1.7ft
    4s
    N
    12pm
    0-1 ft
    fair
    N
    7mph
    1ft
    4s
    NNE
    6pm
    flat
    clean
    W
    2mph
    0.4ft
    3s
    NE
  • Monday, Jul 20
    SURFWINDSWELL
    6am
    flat
    clean
    SSW
    4mph
    0ft
    0s
    S
    12pm
    flat
    clean
    SW
    4mph
    0ft
    0s
    S
    6pm
    flat
    clean
    SW
    8mph
    0ft
    0s
    S
  • Tuesday, Jul 21
    SURFWINDSWELL
    6am
    flat
    clean
    SSW
    14mph
    0.3ft
    2s
    SSW
    12pm
    flat
    clean
    SSW
    21mph
    1.5ft
    3s
    SW
    6pm
    flat
    clean
    SW
    17mph
    1.8ft
    4s
    WSW
  • Wednesday, Jul 22
    SURFWINDSWELL
    6am
    flat
    clean
    WNW
    15mph
    0.2ft
    3s
    NNE
    12pm
    flat
    clean
    W
    21mph
    1.7ft
    3s
    W
    6pm
    flat
    clean
    W
    23mph
    2.6ft
    4s
    W
Check 16-days forecast with
Surf Captain Pro
Upgrade to Pro
This forecast is for beaches with direct offshore winds from South to West, and was updated Jul 17, 2026 @ 9:32pm.
Read more about the Surf Captain forecasts.

Forecast Services

Surf Captain Mobile
  • App Store Link
  • Google Play Store Link

Surf Captain Widgets

Add Surf Captain Widgets to your website. Choose from two different widget types to provide the 3 day surf forecast or current conditions on your site.

View Service

Surf Etiquette Guide

We created the Surf Captain Surf Etiquette guide to hand out to surf schools and surf shops to help educate the new wave of beginner surfers. Free for those willing to help educate.

View Service

Cross Promotional Tide Charts

The Surf Captain cross promotional tide charts offer you and your business and easy and inexpensive way to market your brand. The tide charts are 3 months front, and 3 months back, with your logo and business info on the top of each side.

View Service

Surf Captain Mini Handbook

The Surf Captain Mini Handbooks - A Simple Guide to Surf Forecasting. The Mini Handbook is a trifold brochure providing the basic understandings of ocean wave science and surf forecasting.

View Service