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Surf Forecasts:

St Catharines surfForecast / Lake Ontario / Canada

information circle48hr Weather and Surf, issued 1 am Sunday 15 Mar 2026 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
1.8° C
 (Which is normal for this time of year)
Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Sunday
15
Monday
16
Tuesday
17
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM
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)
5
NNE
20
E
25
E
30
E
40
ESE
20
ESE
20
SSE
40
S
50
S
45
S
40
S
35
SSE
35
SW
45
WSW
45
SW
45
WSW
45
WSW
50
WSW
50
WSW
50
W
50
W
45
W
45
WNW
30
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffoffoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
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
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n/a
n/a
n/a
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n/a
n/a
n/a
n/a
n/a
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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
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n/a
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n/a
n/a
n/a
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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
Sunday
15
Monday
16
Tuesday
17
Sunrise---7:28-------7:26-------7:24----
Sunset------7:22-------7:22-------7:23-
cloud
cloud
cloud
light snow
light snow
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
Rain (mm)
------------21----------
Temp. °C-1-2-3-2-1711101113131510530-3-5-6-6-6-4-4-4
Feels °C (?)-5-8-10-10-1116104593-6-8-12-15-18-19-20-19-16-16-13
  • 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

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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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