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Surf Forecasts

Niagara Rivermouth surfForecast / Lake Ontario / USA

information circle12 Day Weather and Surf, issued 7 am Tuesday 01 Jul 2025 EDT
Forecast 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
18.3° C
 (Which is normal for this time of year)
Hourly12 Days
Lake Ontario – United States Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
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)
15
W
20
WSW
15
W
10
W
25
SW
10
W
5
W
20
SSW
5
WNW
10
WNW
0
E
10
SSW
20
SW
25
SSW
20
SSW
30
SW
35
SW
20
W
30
WSW
20
WNW
15
NW
10
NNW
0
S
10
SSW
5
WNW
15
SW
15
SSW
15
W
5
NW
10
N
15
NE
15
NE
5
ESE
5
N
0
S
15
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offcross-
off		cross-
off		offcross-
off		cross-
off		offcross-
off		cross-
off		glasscross-
off		offoffoffoffoffcross-
off		cross-
off		cross-
off		crosscrossglassoffcross-
off		offcross-
off		cross-
off		glasscross-
on		ononcrossglassglasscross-
off
High Tide
/ height (m)
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
n/a
n/a
n/a
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Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunrise5:39--5:39--5:39--5:41--5:41--5:41--5:43--5:43--5:43--5:45--5:46--5:46--
Sunset-9:00--8:59--8:59--8:59--8:59--8:58--8:58--8:58--8:57--8:57--8:55--8:55-
part cloudthunderstorm clearclearpart cloudthunderstorm clearclearthunderstorm clearclearclearpart cloudrain showersclearclearclearrain showerspart cloudpart cloudpart cloudclearclearclearpart cloudpart cloudrain showersthunderstorm thunderstorm clearclearclearclearclearpart cloudrain showers
Rain (mm)
-1---4--1----1---3--------144------2
Temp. °C242623222623222423212623253028283028202320162223202623232525212324242525
Feels °C (?)252521222521222324202522233029272728181917152222202422242828212325262726

Short Range Forecast: Light rain (total 6mm), mostly falling on Wed night. Warm (max 26°C on Tue afternoon, min 18°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Sun night. Warm (max 30°C on Sat afternoon, min 19°C on Fri morning). Winds increasing (calm on Fri afternoon, fresh winds from the SW by Sun afternoon).

Days 6-9 Weather Summary Some drizzle, heaviest during Wed night. Warm (max 26°C on Wed afternoon, min 14°C on Tue morning). Winds decreasing (fresh winds from the WSW on Mon morning, calm by Tue afternoon).

Long Range Forecast: Moderate rain (total 10mm), heaviest on Thu morning. Warm (max 25°C on Thu afternoon, min 19°C on Thu night). Wind will be generally light.

  • 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 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.

View detailed surf forecast for Niagara Rivermouth at:
surf-forecast.com

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 12 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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