Robberg Surf Break

Lat Long: 34.10° S 23.40° E

Robberg Surf Forecast and Surf Report

Issued: 7 pm 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Robberg sea temperature is
13.0° C
4.5° 

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


Robberg surf forecast from 17 Aug 2026:

  • Best quality surf: Thursday 20 Aug, 8AM (local time) - 11ft (3.5m), 13s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Sunday 23 Aug, 2AM (local time) - 15ft (4.5m), 13s period, SSW swell with 6,184 kJ wave energy.
  • Next surfable swell (1★+): Monday 17 Aug, 11PM (local time) - 6ft (1.9m), 13s period with SW swell.

Best Forecast Surf Conditions for Robberg this week:

The surf forecast for Robberg over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 17) at 11PM. The primary swell is predicted to be 1.9m and 13s period with a secondary swell of 0.7m and 11s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Robberg in the next 16 days are 4.5m 13s and forecast to arrive on Sunday (Aug 23) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 11s period and expected on Saturday (Aug 22) at 8AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Mon 17th Aug)6ft (1.9m) 13s
Best Surf 8AM (Thu 20th Aug)11ft (3.5m) 13s
Most Powerful 2AM (Sun 23rd Aug)15ft (4.5m) 13s

Table - best surf conditions forecast for Robberg over the next 16 days.


The Lowdown

Alright, Rusty here. Let’s take a good, hard look at what's coming for Robberg.

This is a solid run of swell for the experienced crew, but don’t expect perfection every session. The water is 55°F right now, which is much colder than normal for this time of year – a full 8°F chillier than usual. That’s a proper bite in the air, so you’ll want a good hood and gloves. The standout window kicks off right away.

Monday morning is the real gem of this whole stretch. You’ve got a 8ft groundswell from the SW (14 sec period, very long) and it’s glassy – zero wind. The energy is pumping hard at 2161 (moderate to strong). This is big, powerful water. Over 8ft it goes expert-only territory, so this is right on the edge. The Robberg reef setup will love that long period, but be aware it might close out on the beach sections. Monday afternoon stays glassy with a 7ft SW swell (13 sec, 1591 energy). After that, the wind starts to mess with things.

Tuesday is a mix. Morning has a light cross-onshore (6 mph SW) on a 7ft SW swell (13 sec). It’s workable but not clean. The afternoon is worth a look: 8ft SW swell (12 sec) with glassy conditions. That’s about as good as it gets for that day – decent energy at 1793.

Wednesday morning has a cross-shore breeze (6 mph WSW) on 8ft SW swell (12 sec, 2127 energy). That’s big and bumpy. The afternoon turns into a moderate cross-onshore at 12 mph – that’s choppy and messy.

Thursday sees the swell jump significantly. You’ve got 12ft SW swell (13 sec) with cross-onshore winds. The energy readings are massive: 4796 in the morning. This is big, strong, and slightly onshore. Only for experts, and it’ll be a battle.

Friday and Saturday hang around 7ft to 8ft with cross or cross-onshore winds. Surfable for the dedicated, but nothing to write home about.

Sunday the 23rd afternoon offers another moment of clarity. Glassy conditions return, with a 7ft SW swell (12 sec) and 1335 energy. Worth a paddle.

The following week (starting 26th August) the swell starts to fade a bit, with a few bigger pulses. Tuesday the 25th afternoon shows a 10ft SW swell (13 sec, 2555 energy) with a light cross-onshore. Big and slightly messy.

There’s a notable lull around Thursday the 27th morning – tiny 2ft S swell with only 146 energy. Not worth getting wet. The afternoon picks up to 4ft SW (12 sec, 581 energy) in glassy conditions – a decent little window for beginners.

The end of the month has a couple of absolute monsters. Sunday the 30th afternoon sees 13ft SW swell (12 sec, 4417 energy) and a cross-shore wind. Then Monday the 31st morning is the biggest of the run: 13ft SSW swell (14 sec, 5794 energy). That is very strong. Monday afternoon has 12ft SSW (14 sec, 5081 energy) with offshore wind. Those are big, clean, powerful waves – expert territory only. Crowds are possible at Robberg on these days. Given the size and the reef/beach setup, this kind of power and period could be more for a kite surfer than a regular paddle surfer.

Best bet: Monday the 17th morning is the standout. Big swell, glassy, long period. For the second week, keep an eye on Monday the 31st – that offshore wind on an 12ft groundswell is promising, but it’s a long way out and things can change.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 17°C on Tue morning, min 12°C on Tue night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 20°C on Sat morning, min 12°C on Thu night). Winds increasing (calm on Fri night, fresh winds from the WSW by Sat afternoon).

Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
3
3
4
2
2
3
5
4
3
4
3
2
2
0
5
4
3
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
SW
14
2.1
SW
13
2.4
SW
12
3
SW
13
2.5
SW
12
2.5
SW
12
2.4
SW
12
4
SSW
13
3.5
SW
13
2.5
SW
12
2.3
SW
12
2.1
SW
11
1.5
SSW
11
2.5
SW
11
3.5
SW
10
4.5
SSW
13
3.5
SW
12
3
SW
12
2.4
SW
11
Wave Graph
Metric surfscale
Energy kJ
1255
1544
1743
2536
2065
1789
1659
5081
3799
2166
1444
1103
524
1654
2443
6184
3192
2244
1322
Wind (km/h)
10
W
10
WSW
5
S
10
E
10
WSW
20
WSW
15
WNW
10
WSW
5
SE
10
E
5
SE
5
ESE
15
WNW
20
WSW
30
WSW
15
W
10
SW
10
SSW
0
NW
Wind State
cross
cross
on
cross-off
cross-on
cross
cross-off
cross-on
cross-on
cross
glassy
cross
cross-off
cross
cross-on
cross
cross-on
on
glassy
High Tide
6:39AM1.38m
6:58PM1.45m
7:10AM1.24m
7:31PM1.29m
7:49AM1.10m
8:20PM1.14m
9:21AM0.98m
10:45PM1.05m
12:36PM1.02m
00:51AM1.13m
1:37PM1.16m
1:41AM1.26m
Low Tide
00:40AM0.34m
12:38PM0.37m
1:11AM0.48m
1:09PM0.52m
1:49AM0.61m
1:48PM0.67m
2:58AM0.73m
3:17PM0.80m
6:02AM0.75m
6:37PM0.77m
7:26AM0.62m
7:40PM0.64m
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:01
7:01
7:00
6:58
6:58
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:57
5:58
5:58
5:59
6:00
6:00
6:00
 mm
Temp °C
16
17
15
14
17
17
14
15
15
13
16
17
14
20
20
15
16
15
12
Feels °C
14
16
13
14
16
15
12
13
13
12
15
15
14
16
14
13
15
12
11
  • 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 Robberg Surf forecast

The above surf forecast table for Robberg provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Robberg can be found by selecting the local surf guide option on the grey menu. Our Robberg 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 (Robberg) 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 Robberg 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.

Robberg is 6 km (4 miles) from the city of Plettenberg Bay. If you plan a holiday in Garden Route, look for hotels and other accommodation in Plettenberg Bay. Plettenberg Bay has rooms for a wide range of budgets as well as car hire and transport links.

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