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Surf Forecasts:

Southwick Beach State Park surfForecast / Lake Ontario / USA

information circle12 Day Weather and Surf, issued 6 pm Tuesday 13 Jan 2026 EST
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
2.6° C
 (Which is normal for this time of year)

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

The surf forecast for Southwick Beach State Park over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jan 14) at 10PM. The primary swell is predicted to be 1.2m and 6s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Southwick Beach State Park in the next 12 days are 1.9m 7s and forecast to arrive on Thursday (Jan 15) at 7AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (EST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Wed 14th Jan)4ft (1.2m) 6s
Best Surf10PM (Wed 14th Jan)4ft (1.2m) 6s
Most Powerful 7AM (Thu 15th Jan)6ft (1.9m) 7s

Table - best surf conditions forecast for Southwick Beach State Park over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mild at first with light rain (total 5mm) on Wed night followed by colder weather and light fall of snow, heaviest on Wed night. Icy conditions (max 6°C on Tue night, min -13°C on Thu night). Winds decreasing (strong winds from the S on Tue afternoon, calm by Wed night).

Days 3-6 Weather Summary A dusting of new snow. Icy conditions (max 2°C on Sat morning, min -12°C on Sun night). Winds decreasing (strong winds from the W on Sat afternoon, light winds from the E by Sun night).

Tue
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
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
See all maps
Wave Height (m) & direction (?)—
0.4
WSW
0.3
WSW
0.5
W
1.6
NW
1.9
NW
1.9
NW
1.4
NW
0.3
WNW
—
0.4
SW
0.3
SW
0.3
WSW
0.6
W
0.8
W
1.3
WNW
1.2
WNW
0.8
W
1
W
——
Period(s) (?)-44567765-223457765--
Wave
Graph
(?)Metric surfscale
Energy kJ (?)06311196341323139602121331149135425800
Wind
(km/h)
35
SSE
25
SSW
20
SW
10
SSW
20
N
30
WNW
30
W
30
NW
5
W
25
SSE
35
S
30
SSW
20
WSW
35
SW
20
S
15
SSW
25
NW
25
S
35
SW
30
WSW
20
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		onononcross-
off		cross-
on		cross-
on		crossglasscross-
on		cross-
on		onononcross-
on		cross-
on		crosscross-
on		oncross-
on		cross
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
Tue
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Sunrise--7:35--7:35--7:35--7:33--7:33--7:33--7:31
Sunset4:50--4:51--4:52--4:53--4:54--4:55--4:57--
cloud
light rain
light rain
light rain
mod snow
light snow
light snow
snow showers
part cloud
light snow
cloud
cloud
light snow
cloud
cloud
cloud
snow showers
light snow
light snow
light snow
cloud
Rain (mm)
-1112----------------
Temp. °C46542-7-8-11-6-3022-2-6-4-6-5-5-3-10
Feels °C (?)-5-2-11-1-15-17-20-12-13-8-5-4-12-13-10-14-14-14-14-17
  • 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

Latest Updates

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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 Southwick Beach State Park 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 Southwick Beach State Park at:
surf-forecast.com

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 12 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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