Black Rocks Jetty Surf Break

Lat Long: 21.04° S 55.23° E

Black Rocks Jetty 48 hour detailed Surf Forecast

Issued: 3 pm 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Black Rocks Jetty sea temperature is
24.2°C
1.0° 

Black Rocks 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 Black Rocks Jetty today (12 Sep):

  • Afternoon surf: Afternoon surf (12 Sep, local time) - 3.5ft (1.1m), 12s period with S swell.
  • Evening surf: Evening surf (12 Sep, local time) - 3.5ft (1.0m), 16s period with SSW swell.

The current surf forecast for Black Rocks Jetty at 12AM is: 1.0m 16s primary swell from a South-southwest direction and 1.0m 11s secondary swell from a South direction (forecast issued at 03:00pm September 11). An open ocean swell of 0.6m 6s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 3.

Time (+04) & DateWave HeightWave Period
Morning (12 Sep)--
Afternoon (12 Sep)3.5ft (1.1m)12s
Evening (12 Sep)3.5ft (1.0m)16s

Table - waves today at Black Rocks Jetty. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 23°C on Sat morning, min 21°C on Fri night). Wind will be generally light.

Fri
11
Saturday
12
Sunday
13
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
3
3
4
3
3
3
3
3
3
3
3
3
4
4
4
4
3
3
2
4
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)
1
S
12
1.1
S
12
1.3
SSE
11
1
SSW
16
1.1
SSW
16
1.3
SSW
16
1.3
SSW
15
1.4
SSW
14
1.4
SSW
14
1.3
SSW
14
1.1
SSW
13
1.2
SSW
13
1
SW
19
1.3
SSW
18
1.5
SSW
18
1.6
SSW
17
1.7
SSW
16
1.9
SSW
16
1.4
SW
16
1.8
SSW
15
Wave Graph
Metric surfscale
Energy kJ
262
319
454
582
653
783
786
763
742
624
437
475
738
1080
1431
1491
1487
1857
929
1428
Wind (km/h)
5
W
5
N
0
SE
5
S
0
S
0
NE
5
NNE
5
NNW
0
NW
0
WSW
5
S
5
S
0
SSE
5
SSE
5
SE
5
W
5
SSW
5
S
10
SSE
5
E
Wind State
glassy
glassy
glassy
cross-on
glassy
glassy
glassy
cross-off
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
on
cross-on
cross-on
glassy
High Tide
1:24PM0.59m
1:21AM0.59m
1:45PM0.58m
1:50AM0.57m
2:03PM0.56m
Low Tide
7:18PM0.10m
7:32AM0.05m
7:46PM0.10m
7:56AM0.09m
8:14PM0.10m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:12
6:12
6:12
 mm
Temp °C
22
22
22
22
22
21
21
23
22
23
22
22
21
21
21
23
22
22
22
22
Feels °C
23
23
23
22
23
22
21
23
23
24
23
23
23
22
22
24
22
23
22
24
  • 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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