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Surf Forecasts:
St Catharines surfForecast / Lake Ontario / Canada
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
1.9° C
(Which is normal for this time of year)Updates in hr min s Forecast update imminent
Short Range Forecast Light rain (total 4mm), mostly falling on Sun afternoon. Icy conditions (max 5°C on Sun morning, min -2°C on Mon night). Winds increasing (calm on Sun morning, fresh winds from the NNW by Mon night). | Days 3-6 Weather Summary Light rain (total 5mm), mostly falling on Wed night. Icy conditions (max 11°C on Thu afternoon, min -3°C on Thu night). Winds increasing (calm on Tue morning, strong winds from the SW by Thu morning). | ||||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map | |||||||||||||||||||||
| Wave Height (m) & direction (?) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Period(s) (?) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Wave (?)Graph | |||||||||||||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross- off | on | on | cross- on | cross | cross- on | cross- off | cross- off | cross- off | cross- on | on | cross- on | off | cross | cross- on | cross- on | glass | glass |
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 |
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 |
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||
| Sunrise | 7:18 | - | - | 7:16 | - | - | 7:15 | - | - | 7:13 | - | - | 7:11 | - | - | 7:09 | - | - | 7:07 | - | - |
| Sunset | - | 7:29 | - | - | 7:30 | - | - | 7:30 | - | - | 7:32 | - | - | 7:34 | - | - | 7:35 | - | - | 7:36 | - |
Rain (mm) | - | - | - | - | 4 | - | - | - | - | - | - | - | - | - | 3 | 2 | - | - | - | - | - |
| Temp. °C | 3 | 3 | 4 | 5 | 3 | 2 | -1 | 2 | 1 | -2 | 5 | 4 | 0 | 2 | 5 | 9 | 11 | 6 | -5 | 0 | 0 |
| Feels °C (?) | -1 | -1 | 0 | 1 | -2 | -4 | -7 | -3 | -7 | -5 | -2 | -3 | -5 | -6 | 0 | 0 | 5 | 0 | -12 | -4 | -4 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)
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 16 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.











