The South Jetty Surf Break

Lat Long: 39.39° N 74.39° W

The South Jetty 48 hour detailed Surf Forecast

Issued: 1 pm 21 Jul 2026 (local time)

Forecast update in  hr  min

Today's The South Jetty sea temperature is
25.0° C
2.1° 

The South Jetty surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at The South Jetty today (21 Jul):

  • Morning surf: Morning surf (21 Jul, local time) - 3ft (0.9m), 5s period with SSE swell.
  • Afternoon surf: Afternoon surf (21 Jul, local time) - 4.5ft (1.3m), 5s period with S swell.
  • Evening surf: Evening surf (21 Jul, local time) - 5.5ft (1.7m), 6s period with S swell.

The current surf forecast for The South Jetty at 5PM is: 1.3m 6s primary swell from a South direction (forecast issued at 01:00pm July 21). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (21 Jul)3ft (0.9m)5s
Afternoon (21 Jul)4.5ft (1.3m)5s
Evening (21 Jul)5.5ft (1.7m)6s

Table - waves today at The South Jetty. (Swell directed towards the surf break)


Short Range Forecast

Heavy rain (total 41mm), heaviest during Tue night. Warm (max 29°C on Wed afternoon, min 20°C on Thu morning). Winds decreasing (fresh winds from the S on Tue afternoon, light winds from the E by Thu night).

Tue
21
Wednesday
22
Thursday
23
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
Rating
(10 max)
0
0
0
1
0
0
0
0
1
0
0
1
1
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
S
5
1.2
S
5
1.3
S
6
1.7
S
6
1.2
S
7
1.7
S
8
1.7
S
8
1.7
S
8
2
S
8
1.2
S
8
1.1
S
8
1.1
S
8
1
SSE
8
0.9
SSE
8
0.9
SSE
8
0.9
SSE
8
0.8
SSE
8
0.6
S
8
0.6
SSE
7
0.5
S
7
0.5
SE
8
Wave Graph
Metric surfscale
Energy kJ
25
77
105
211
134
336
386
381
552
187
165
169
144
116
96
96
75
42
40
27
28
Wind (km/h)
25
SSW
35
S
35
S
35
NW
25
WSW
30
SW
30
SW
30
SW
25
WSW
20
WSW
15
W
10
W
15
NNW
20
NNE
20
NNE
20
N
20
NE
20
ENE
20
E
10
E
10
E
Wind State
cross-on
cross-on
cross-on
off
cross-off
cross
cross-off
cross
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross-on
High Tide
2:39PM1.23m
2:47AM1.01m
3:34PM1.22m
3:48AM0.94m
4:31PM1.23m
Low Tide
8:04AM0.18m
8:47PM0.34m
8:50AM0.25m
9:50PM0.37m
9:42AM0.30m
10:52PM0.37m
part cloud
part cloud
thunderstorm
heavy rain
heavy rain
light rain
part cloud
cloud
clear
thunderstorm
thunderstorm
cloud
clear
cloud
cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:19
8:19
8:17
 mm
4
20
11
4
1
1
Temp °C
26
25
25
21
21
21
22
22
25
27
29
28
26
22
21
20
22
22
22
22
22
Feels °C
26
23
23
18
20
19
20
20
24
27
28
29
25
19
18
17
19
19
20
21
21
  • 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
How to use the Wavefinder 

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