Southwick Beach State Park surfForecast / Lake Ontario / USA

information circle16 Day Weather and Surf, issued 1 pm Friday 24 Apr 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Southwick Beach State Park surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Southwick Beach State Park sea temperature is
5.2° C
(Which is 1.5°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Southwick Beach State Park this week:

The most powerful waves expected at Southwick Beach State Park in the next 16 days are 0.3m 2s and forecast to arrive on Tuesday (Apr 28) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Saturday (Apr 25) at 2PM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11AM (Tue 28th Apr)1ft (0.3m) 2s

Table - best surf conditions forecast for Southwick Beach State Park over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Sat afternoon. Very mild (max 13°C on Sun afternoon, min 5°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 39mm), heaviest during Thu morning. Very mild (max 17°C on Tue afternoon, min 8°C on Tue morning). Winds increasing (light winds from the NNW on Mon afternoon, fresh winds from the SSE by Tue afternoon).

Fri
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
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
Swell
Height Map
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Wave
Height (m)
Direction
Period (s)
0.3
NE
4
0.5
NE
4
0.6
ENE
4
0.6
ENE
4
0.3
SE
2
0.2
WNW
3
0.2
W
3
0.2
WNW
4
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
1
1
0
0
0
Wind (km/h)
15
N
10
ESE
10
ESE
5
SSE
10
SE
15
N
15
WNW
5
ESE
10
W
10
NNW
20
SE
35
SSE
30
S
25
S
25
SSE
15
SE
20
SE
20
SSW
15
SW
15
W
20
W
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-on
glassy
cross-on
cross-off
cross
cross
cross-on
cross-on
cross
cross
cross
on
on
cross-on
cross-on
High Tide
Low Tide
clear
part cloud
cloud
light rain
rain showers
clear
clear
clear
clear
clear
clear
clear
part cloud
light rain
mod rain
light rain
heavy rain
heavy rain
mod rain
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:03
6:01
6:00
5:58
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:58
8:00
8:00
8:01
8:02
8:04
8:05
8:07
1
2
5
6
2
15
11
6
2
Temp °C
11
9
11
10
9
10
13
10
12
15
16
13
17
13
12
13
12
11
6
5
5
6
5
8
6
7
6
9
8
9
12
13
5
9
7
8
10
8
4
2
1
0
Swell 1
Height (m)
Direction
Period (s)
0.3
NE
4
0.3
NE
4
Energy kJ
2
3
Swell 2
Height (m)
Direction
Period (s)
Energy kJ
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.5
NE
4
0.6
ENE
4
0.6
ENE
4
0.3
SE
2
0.2
WNW
3
0.2
W
3
0.2
WNW
4
Energy kJ
7
13
12
1
1
1
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
2
1
1
2
3
2
2
2
2
2
1
2
1
1
Distance (km)
921
909
909
543
450
914
487
422
1804
1013
1008
548
470
463
460
471
470
612
412
406
436
Best forecast wave conditions in Lake Ontario - United States
Rating
(10 max)
Best forecast wave conditions in United States
Rating
(10 max)
3
1
3
2
1
1
2
2
1
3
2
3
2
2
3
3
3
4
3
2
2
Header Global
Rating
(10 max)
5
5
4
5
7
5
8
6
6
5
5
7
9
5
5
5
5
5
6
6
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Southwick Beach State Park Surf forecast

The above surf forecast table for Southwick Beach State Park provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Southwick Beach State Park can be found by selecting the local surf guide option on the grey menu. Our Southwick Beach State Park 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 (Southwick Beach State Park) 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 Southwick Beach State Park 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.

Southwick Beach State Park is 35 km (22 miles) from Watertown. If you plan a vacation in Lake Ontario - United States, look for hotels and other accommodation in Watertown. Watertown has rooms for a wide range of budgets as well as car hire and transport links.

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