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Southwick Beach State Park surfForecast / Lake Ontario / USA

information circle48hr Weather and Surf, issued 7 am Monday 18 Aug 2025 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
24.6° C
 (Which is 3.3°C warmer than normal for this time of year)
Hourly12 Days
Lake Ontario – United States Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Monday
18
Tuesday
19
Wednesday
20
Thu
21
5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 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
See all maps
Wave Height (m) & direction (?)
1.6
NE
1.5
NE
1.1
NE
0.9
NE
0.8
NE
0.6
NE
0.6
NE
0.4
NE
0.3
NE
————————————
0.3
NE
0.4
NE
0.6
NE
Period(s) (?)666555544------------334
Wave
Graph
(?)Metric surfscale
Energy (?)000000000000000000000000
Wind
(km/h)
20
NE
20
NE
25
NE
25
NNE
20
NNE
20
NE
20
ENE
10
SE
10
SE
10
SE
10
S
5
N
10
N
10
ENE
5
SE
25
S
25
S
20
S
15
SSE
10
E
15
NE
10
E
10
SE
5
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffoffoffoffcrosscrosscrosscross-
on		glasscross-
off		offcrosscross-
on		cross-
on		cross-
on		crosscross-
off		offcross-
off		crosscross
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
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n/a
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n/a
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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
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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
Monday
18
Tuesday
19
Wednesday
20
Thu
21
Sunrise-6:11-------6:13-------6:13------
Sunset-----8:04-------8:02-------8:00--
part cloudclearclearclearpart cloudpart cloudpart cloudpart cloudpart cloudcloudcloudpart cloudcloudcloudcloudcloudcloudlight rainlight rainlight rainpart cloudcloudcloudclear
Rain (mm)
-----------------311----
Temp. °C121218222421171716152023252323211917171822232221
Feels °C (?)8812161815121413121723242123181615151821232222
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Lake Ontario

  1. weather stationWind Update Continuing clean conditions at Southwick Beach State Park (light winds from the NE at Watertown Airport 29 km from Southwick Beach State Park). not gfswave

    2 hours 8 minutes ago Southwick Beach State Park
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29 km away, 2 h 8 min ago

9 km/h
NE
8.9
24.6
Air / Water (°C)
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View detailed surf forecast for Southwick Beach State Park at:
surf-forecast.com

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