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Niagara Rivermouth Surf Forecast
/ Lake Ontario (8 breaks) / New York (44 breaks) /
Surf Forecasts:
Niagara Rivermouth surfForecast / Lake Ontario / USA
16 Day Weather and Surf, issued 7 pm Thursday 30 Apr 2026 EDTForecast update in hr min s Forecast update imminent
Niagara Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Niagara Rivermouth sea temperature is
5.0° C
(Which is normal for this time of year)Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 10°C on Sun afternoon, min 3°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 9mm), mostly falling on Mon night. Very mild (max 15°C on Mon afternoon, min 7°C on Tue morning). Winds decreasing (strong winds from the SW on Mon night, calm by Wed afternoon). | ||||||||||||||||||||
Friday 1 | Saturday 2 | Sunday 3 | Monday 4 | Tuesday 5 | Wednesday 6 | Thu 7 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | glassy | glassy | cross | cross-off | off | cross | cross-off | off | off | off | off | off | cross-off | off | cross-off | cross-off | glassy | cross-on | cross-on | cross-off | |
High Tide | |||||||||||||||||||||
Low Tide | |||||||||||||||||||||
 |  | |  |  | |  | | |  | | |  |  | | | | | | | | |
 | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — | 6:03 | — | — | 6:03 | — | — | 6:01 | — |
 | 8:15 | — | 8:16 | — | — | 8:17 | — | — | 8:19 | — | — | 8:20 | — | — | 8:21 | — | — | 8:22 | — | — | 8:23 |
— | — | — | — | — | — | — | — | — | 1 | — | — | 7 | 1 | — | — | — | — | 1 | — | — | |
Temp °C | 8 | 6 | 8 | 6 | 5 | 9 | 6 | 7 | 10 | 10 | 12 | 15 | 15 | 8 | 12 | 10 | 8 | 12 | 10 | 8 | 12 |
4 | 4 | 6 | 1 | 0 | 3 | 1 | 2 | 5 | 4 | 6 | 10 | 8 | 4 | 7 | 6 | 5 | 10 | 7 | 5 | 6 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
 kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 524 | 524 | 585 | 537 | 524 | 524 | 572 | 670 | 593 | 524 | 671 | 685 | 1877 | 1790 | 1739 | 638 | 257 | 1058 | 537 | 584 | 638 |
Best forecast wave conditions in Lake Ontario - United States | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 Niagara Rivermouth 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.
Information about the Niagara Rivermouth Surf forecast
The above surf forecast table for Niagara Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Niagara Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Niagara Rivermouth 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 (Niagara Rivermouth) 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 Niagara Rivermouth 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.
Niagara Rivermouth is 18 km (11 miles) from the city of Saint Catharines. If you plan a vacation in Lake Ontario - United States, look for hotels and other accommodation in Saint Catharines. Saint Catharines has rooms for a wide range of budgets as well as car hire and transport links.
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