Black Rocks surf break

Black Rocks surfForecast / Cape Town / South Africa

information circle12 Day Weather and Surf, issued 1 am Sunday 14 Dec 2025 SAST
Forecast update in hr  min  s Forecast update imminent
Black Rocks surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Black Rocks sea temperature is
17.8° C
(Which is 1.4°C colder than average for this time of year)


Best Forecast Surf Conditions for Black Rocks this week:

The surf forecast for Black Rocks over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Dec 14) at 2PM. The primary swell is predicted to be 2.1m and 12s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Black Rocks in the next 12 days are 2.5m 16s and forecast to arrive on Saturday (Dec 20) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Tuesday (Dec 16) at 8PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Sun 14th Dec)7ft (2.1m) 12s
Best Surf 2PM (Mon 15th Dec)7.5ft (2.3m) 12s
Most Powerful 8PM (Sat 20th Dec)8ft (2.5m) 16s

Table - best surf conditions forecast for Black Rocks over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 2mm), mostly falling on Tue night. Warm (max 21°C on Tue afternoon, min 17°C on Sun morning). Winds increasing (calm on Tue morning, fresh winds from the SW by Tue night).

Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Thu afternoon, min 17°C on Wed morning). Winds increasing (light winds from the SSE on Thu morning, strong winds from the SE by Fri night).

Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
3
0
3
3
1
2
1
1
3
2
1
2
1
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.2
SW
2
SW
2.2
SW
2.3
SW
2.3
SW
2.1
SW
2
SW
1.7
SW
2.4
SW
2.1
WSW
2.4
SSW
2.3
SSW
1.8
S
1.8
S
1.9
SSE
1.9
SSE
1.8
SSE
1.1
SW
1.6
SSW
2.5
SSW
2.5
SSW
Period(s) (?)12121112121212129111010111212111112121614
Wave
Graph
(?)Metric surfscale
Energy kJ (?)13361040123615761565133511128369511006110899980787996691778535571030742480
Wind
(km/h)
10
S
15
S
15
SE
5
SSE
20
SSW
20
SE
15
WNW
35
NW
35
SW
25
SSW
25
SSW
20
S
15
S
25
S
30
SE
30
SSE
35
SSE
50
SE
50
SE
65
SE
50
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
cross-
on
cross-
on
cross-
off
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscrosscross-
on
cross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
11:28AM
1.20
12:15AM
1.08
12:18PM
1.23
1:01AM
1.15
1:02PM
1.27
1:40AM
1.21
1:41PM
1.31
2:15AM
1.27
2:18PM
1.35
2:50AM
1.32
2:53PM
1.38
3:24AM
1.35
3:28PM
1.39
3:57AM
1.37
Low Tide
/ height (m)
6:10PM
0.43
6:11AM
0.53
6:54PM
0.37
6:59AM
0.48
7:32PM
0.32
7:40AM
0.43
8:07PM
0.27
8:17AM
0.38
8:41PM
0.23
8:52AM
0.34
9:14PM
0.20
9:26AM
0.31
9:46PM
0.18
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunrise5:26--5:28--5:28--5:28--5:28--5:28--5:28--
Sunset-7:52--7:52--7:53--7:54--7:54--7:55--7:55-
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
--------2------------
Temp. °C171818182020202119171718181919181919201921
Feels °C (?)16161617191818171410101216151514141311912
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Black Rocks Surf forecast

The above surf forecast table for Black Rocks provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Black Rocks can be found by selecting the local surf guide option on the grey menu. Our Black Rocks 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 (Black Rocks) 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 Black Rocks 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.

Are you planning a holiday in Cape Town? If you are looking for accommodation near Black Rocks, camping, hotels and holiday cottages in Cape Town, consider staying in Cape Town which is 40 km (25 miles) away. Other places in and around Cape Town where you can find information about places to rent, and car hire include Bellville which is 46 km (29 miles) away, Stellenbosch, Grabouw and Kayamnandi.

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