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Surf Forecasts:

St Catharines surfForecast / Lake Ontario / Canada

information circle48hr Weather and Surf, issued 7 am Wednesday 15 Oct 2025 EDT
Forecast update in hr  min  s Forecast update imminent
St Catharines surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's St Catharines sea temperature is
17.4° C
 (Which is 3.8°C warmer than normal for this time of year)
Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
15
Thursday
16
Friday
17
Sat
18
5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)————————————————————————
Period(s) (?)------------------------
Wave
Graph
(?)Metric surfscale
Energy kJ (?)000000000000000000000000
Wind
(km/h)
25
NNE
25
NNE
20
NNE
15
N
15
N
25
NNW
25
N
25
NNE
25
NNE
20
N
20
NNE
10
N
10
NNW
20
N
20
N
10
NE
5
E
5
SE
5
SE
5
NW
5
ENE
10
SSE
15
SE
10
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		oncross-
on		glassglasscrossglasscross-
off		crosscross-
off
High Tide
/ height (m)
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
Low Tide
/ height (m)
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
Wednesday
15
Thursday
16
Friday
17
Sat
18
Sunrise-7:28-------7:30-------7:31------
Sunset----6:34-------6:31-------6:30---
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C13121113151413121110101214141312119111212121212
Feels °C (?)76689765544810878869910989
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for Lake Ontario

  1. weather stationWind Update The wind is still cross-on at St Catharines (moderate winds from the NNE at Port Weller Airport 8 km from St Catharines). not gfswave

    2 hours 27 minutes ago St Catharines
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2 h 27 min ago

22 km/h
NNE
Cross-On
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our St Catharines surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for St Catharines at:
surf-forecast.com

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