The South Jetty Surf Break

Lat Long: 39.39° N 74.39° W

The South Jetty 48 hour detailed Surf Forecast

Issued: 1 am 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's The South Jetty sea temperature is
23.5°C
3.0° 

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 (20 Sep):

  • Morning surf: Morning surf (20 Sep, local time) - 3.5ft (1.0m), 7s period with ESE swell.
  • Afternoon surf: Afternoon surf (20 Sep, local time) - 2.5ft (0.8m), 7s period with ESE swell.
  • Evening surf: Evening surf (20 Sep, local time) - 2ft (0.6m), 7s period with ESE swell.

The current surf forecast for The South Jetty at 9AM is: 1.0m 7s primary swell from a East-southeast direction and 0.2m 11s secondary swell from a East-southeast direction (forecast issued at 01:00am September 20). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (20 Sep)3.5ft (1.0m)7s
Afternoon (20 Sep)2.5ft (0.8m)7s
Evening (20 Sep)2ft (0.6m)7s

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


Short Range Forecast

Heavy rain (total 37mm), heaviest during Tue night. Warm (max 23°C on Sun night, min 15°C on Tue afternoon). Winds increasing (light winds from the WNW on Sun night, near gales from the NE by Tue night).

Sunday
20
Monday
21
Tuesday
22
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
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
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
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
ESE
6
1.1
ESE
7
1
ESE
7
0.8
ESE
7
0.9
ESE
7
0.7
ESE
7
0.6
ESE
7
0.6
ESE
7
0.7
ESE
7
0.7
ESE
7
0.7
ESE
7
0.6
ESE
8
1.1
ENE
5
1.1
ENE
6
1
ENE
6
1.5
E
6
1.5
E
7
1.7
E
7
1.8
E
7
1.9
E
7
2.1
E
8
2.3
E
8
2.2
E
9
2.3
E
9
Wave Graph
Metric surfscale
Energy kJ
113
108
102
65
72
52
35
40
44
46
46
37
64
69
69
167
199
266
306
387
537
709
732
817
Wind (km/h)
20
SE
20
SE
20
SSE
25
S
25
S
20
S
15
SSW
10
SW
10
WNW
15
NNE
25
NNE
30
NE
30
NE
30
ENE
30
ENE
35
ENE
30
ENE
35
ENE
40
ENE
45
ENE
45
ENE
45
ENE
45
ENE
45
ENE
Wind State
on
on
on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
High Tide
3:39AM0.91m
4:08PM1.21m
4:47AM0.95m
5:06PM1.25m
5:38AM1.02m
5:53PM1.30m
Low Tide
9:13AM0.50m
10:37PM0.45m
10:20AM0.47m
11:26PM0.39m
11:16AM0.41m
cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:41
6:43
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:58
6:57
6:54
 mm
3
4
3
1
1
2
3
2
2
5
Temp °C
20
21
21
21
22
22
23
23
22
20
19
18
18
17
17
17
17
17
17
17
16
15
16
16
Feels °C
17
18
19
18
19
21
23
24
24
20
17
14
14
13
13
12
12
11
11
10
9
7
8
9
  • 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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