Surf Forecast Surf Report
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Surf Forecasts

St Catharines surfForecast / Lake Ontario / Canada

information circle12 Day Weather and Surf, issued 7 am Saturday 29 Mar 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
2.4° C
 (Which is normal for this time of year)
Hourly12 Days
Lake Ontario – Canada Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Saturday
29
Sunday
30
Monday
31
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
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
Swell
Height Map
See all maps
Wave Height (m) & direction (?)————————————————————————————————————
Period(s) (?)------------------------------------
Wave
Graph
(?)Metric surfscale
Energy (?)000000000000000000000000000000000000
Wind
(km/h)
25
ENE
30
ENE
15
E
10
ENE
5
ENE
35
SSW
30
WSW
20
NW
30
NNW
20
NNE
5
NNE
20
E
30
E
20
SE
50
SSW
50
WSW
20
WNW
10
WNW
15
NE
15
ENE
15
ENE
15
N
15
SW
30
NW
25
W
35
WNW
30
NNW
30
NNW
40
NNW
25
NNW
20
NW
15
NNW
15
NW
20
W
15
WSW
10
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		onglasscross-
off		cross-
off		crosscross-
on		cross-
on		oncross-
on		cross-
on		cross-
off		cross-
off		offcross-
off		cross-
off		ononcross-
on		cross-
on		offcrosscross-
off		cross-
off		crosscrosscrosscross-
on		crosscross-
on		crosscross-
off		cross-
off		off
High Tide
/ height (m)
n/a
n/a
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n/a
Low Tide
/ height (m)
n/a
n/a
n/a
n/a
n/a
n/a
n/a
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n/a
Saturday
29
Sunday
30
Monday
31
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Sunrise7:03--7:01--7:00--6:58--6:56--6:54--6:52--6:52--6:50--6:48--6:46--6:45--
Sunset-7:37--7:39--7:40--7:42--7:43--7:44--7:45--7:46--7:47--7:49--7:50--7:51-
light snowcloudcloudlight rainlight rainlight rainrain showerscloudpart cloudpart cloudpart cloudpart cloudcloudlight rainheavy rainclearclearpart cloudcloudpart cloudpart cloudlight rainlight rainpart cloudclearpart cloudpart cloudcloudpart cloudpart cloudclearclearclearpart cloudpart cloudpart cloud
Rain (mm)
---1232------234------12-------------
Temp. °C20258151272-4002814141311167468474-100-1422107
Feels °C (?)-4-8-227960-7-12-5-5-715446-313-121-4-3-6-11-10-11-8-2-6-552

Short Range Forecast: A dusting of snow turning to light rain (total 8mm) on Sun night. Icy conditions (max 15°C on Sun night, min -2°C on Mon night). Mainly strong winds.

Days 3-6 Weather Summary Heavy rain (total 36mm), heaviest during Wed night. Icy conditions (max 14°C on Wed night, min -4°C on Tue morning). Winds increasing (light winds from the NNE on Tue afternoon, strong winds from the SSW by Wed night).

Days 6-9 Weather Summary Light rain (total 3mm), mostly falling on Sat morning. Icy conditions (max 8°C on Sat night, min -1°C on Sun night). Winds increasing (light winds from the N on Fri morning, fresh winds from the W by Sun afternoon).

Long Range Forecast: Mostly dry. Icy conditions (max 10°C on Wed afternoon, min -2°C on Mon morning). Winds decreasing (strong winds from the NNW on Mon afternoon, light winds from the WSW by Wed night).

  • 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>
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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

Information about the St Catharines Surf forecast

The above surf forecast table for St Catharines provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at St Catharines can be found by selecting the local surf guide option on the grey menu. Our St Catharines surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (St Catharines) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for St Catharines may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Lake Ontario - Canada? If you are looking for accommodation near St Catharines, camping, hotels and holiday cottages in Lake Ontario - Canada, consider staying in Saint Catharines which is 13 km (8 miles) away. Other places in and around Lake Ontario - Canada where you can find information about places to rent, and car hire include Thorold which is 18 km (11 miles) away, Niagara Falls, Niagara Falls and Welland.

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