Southwick Beach State Park surfForecast / Lake Ontario / USA

information circle48hr Weather and Surf, issued 7 am Thursday 21 May 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
9.9° C
(Which is 2.5°C warmer than normal for this time of year)
Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 5mm), mostly falling on Sat night. Very mild (max 18°C on Sat afternoon, min 6°C on Thu morning). Winds increasing (light winds from the SSE on Sat morning, fresh winds from the SE by Sat night).

Thursday
21
Friday
22
Saturday
23
Sun
24
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 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
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.2
WNW
4
0.1
NW
4
0.9
NNE
6
0.6
NNE
5
0.4
NE
4
0.2
ENE
3
0.3
NE
3
0.4
NE
4
0.5
NE
4
0.6
NE
4
0.5
NE
4
0.4
NE
4
0.4
NE
4
0.3
E
3
0.3
ESE
3
0.3
ESE
2
0.4
ESE
3
0.4
ESE
3
0.4
ESE
3
0.4
ESE
3
Wave Graph
Metric surfscale
Energy kJ
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Wind (km/h)
30
NNE
25
NNE
20
NNE
20
N
15
N
10
N
10
ENE
10
ENE
10
ENE
10
NE
15
NE
20
N
15
N
15
NE
15
ENE
10
E
10
ESE
10
SE
5
SSE
15
S
20
SSE
15
SE
10
S
10
SSE
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross
cross-on
cross
cross
cross-on
cross
High Tide
Low Tide
cloud
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:33
5:33
5:31
5:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:29
8:30
8:30
8:31
Temp °C
8
6
8
11
13
13
11
11
9
10
14
17
17
15
15
15
14
14
17
18
17
16
13
12
0
-1
2
5
8
10
7
7
5
6
9
11
13
11
11
12
10
11
15
14
13
12
10
9
Swell 1
Height (m)
Direction
Period (s)
0.2
WNW
4
0.1
NW
4
0.6
NNE
5
0.4
NE
4
0.4
NE
4
0.3
NE
4
Energy kJ
2
1
16
4
6
2
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)
1.5
NNE
7
1.4
NNE
7
0.9
NNE
6
0.2
ENE
3
0.3
NE
3
0.4
NE
4
0.5
NE
4
0.6
NE
4
0.5
NE
4
0.4
NE
4
0.3
E
3
0.3
ESE
3
0.3
ESE
2
0.4
ESE
3
0.4
ESE
3
0.4
ESE
3
0.4
ESE
3
Energy kJ
186
165
57
1
1
4
7
10
8
4
1
2
1
3
3
3
3
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
2
2
1
1
1
1
Distance (km)
405
410
410
410
413
921
821
406
852
852
851
859
872
890
909
909
743
852
916
909
743
49
49
49
Best forecast wave conditions in Lake Ontario - United States
Rating
(10 max)
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
2
1
2
2
2
2
2
2
3
1
1
2
3
2
3
2
2
1
1
1
2
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
7
7
7
6
6
7
8
6
7
8
8
7
7
6
6
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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