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Surf Forecasts

St Catharines surfForecast / Lake Ontario / Canada

information circle48hr Weather and Surf, issued 7 pm Monday 30 Jun 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
19.2° C
 (Which is 1.3°C warmer than normal for this time of year)
Hourly12 Days
Lake Ontario – Canada Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Monday
30
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tue
08
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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0
0
0
0
0
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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 (?)000000000000000000000000000000000000000000000000000000000000
Wind
(km/h)
5
SW
10
E
10
ESE
15
WSW
15
SW
15
SW
15
W
25
SW
25
SW
15
WSW
15
WSW
15
W
15
W
15
W
10
WSW
10
SW
25
SW
20
SSW
20
WSW
15
WSW
15
SW
15
SW
15
W
10
W
20
W
20
WNW
10
N
5
NW
10
NE
5
ENE
10
NE
5
ENE
5
E
5
SE
10
S
10
S
10
S
15
SSW
10
SW
15
SW
30
SSW
25
SW
25
SW
20
SW
15
SSW
15
SW
20
SW
20
SW
30
SW
20
SW
20
SSW
20
SSW
25
SSW
30
SW
30
WSW
25
W
25
W
15
WNW
15
N
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
on		cross-
on		offoffoffcross-
off		offoffoffoffcross-
off		cross-
off		cross-
off		cross-
off		offoffoffoffoffoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
on		glassononononcross-
on		crosscross-
off		cross-
off		cross-
off		cross-
off		offoffoffoffoffoffoffoffoffoffoffoffcross-
off		offoffoffoffcross-
off		cross-
off		cross-
off		cross-
on		cross-
on
High Tide
/ height (m)
n/a
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Low Tide
/ height (m)
n/a
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Monday
30
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tue
08
Sunrise-----5:39-------5:39-------5:41-------5:41-------5:41-------5:41-------5:43------
Sunset-9:00-------9:00-------9:00-------9:00-------8:59-------8:59-------8:59-------8:58--
light rainrain showersrain showersclearpart cloudclearcloudthunderstorm clearclearclearclearclearclearclearclearcloudpart cloudpart cloudlight rainrain showersthunderstorm thunderstorm clearclearclearclearclearclearclearclearclearclearclearclearclearpart cloudpart cloudpart cloudthunderstorm clearthunderstorm clearrain showersrain showersrain showersthunderstorm clearpart cloudclearclearclearclearclearclearthunderstorm thunderstorm clearclearclear
Rain (mm)
432----2-----------1111----------------1-1-1121--------11---
Temp. °C232121212121232325232120192022262624221918192125272521201818192125252220192126303028252423242831312825252526282727252018
Feels °C (?)262323222222242224232119171921252423211817192125252421201718182024242119172028312929252425262930302926252525272726252018
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>

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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