Riet River Surf Break

Lat Long: 33.58° S 26.93° E

Riet River Surf Forecast and Surf Report

Issued: 7 pm 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Riet River sea temperature is
18.4°C
1.0° 

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


Riet River surf forecast from 26 Aug 2026:

  • Best quality surf: Monday 31 Aug, 2AM (local time) - 7ft (2.2m), 9s period, SW swell with offshore winds.
  • Most powerful swell: Wednesday 2 Sep, 2PM (local time) - 10ft (3.0m), 14s period, SSW swell with 3,035 kJ wave energy.
  • Next surfable swell (1★+): Friday 28 Aug, 11AM (local time) - 4.5ft (1.3m), 12s period with S swell.

Best Forecast Surf Conditions for Riet River this week:

The surf forecast for Riet River over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 28) at 11AM. The primary swell is predicted to be 1.3m and 12s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Riet River in the next 16 days are 3.0m 14s and forecast to arrive on Wednesday (Sep 02) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 7s period and expected on Thursday (Aug 27) at 8AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Fri 28th Aug)4.5ft (1.3m) 12s
Best Surf 2AM (Mon 31st Aug)7ft (2.2m) 9s
Most Powerful 2PM (Wed 2nd Sep)10ft (3.0m) 14s

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


The Lowdown

Alright, let’s break it down. You’re gonna have to be real patient here because the first few days are total garbage. Don’t even look at the ocean until things clean up.

The main spot is Riet River, a point break that loves a good SSW swell. The water’s running a bit colder than usual for August, so don’t forget a wetsuit.

We’ve got a big stretch of junk right at the start. Wednesday the 26th and Thursday the 27th are blown to bits with strong winds and messy, lumpy surf. Total waste of time. Friday morning the 28th is the first real chance – a clean 4ft of S swell with offshore wind. It’s small but glassy, and that’s worth a session.

Saturday the 29th is average with a cross-shore chop in the morning, but the afternoon goes dead flat calm with a tiny 3ft S swell. Not exciting, but rideable on a longboard.

Sunday the 30th and Monday the 31st are a mixed bag. Sunday has an 8ft SW swell but nasty wind, so it’s messy. Monday though? Sunny, glassy, and a clean 5ft SW swell with no wind – that’s a proper highlight. The ocean will look like a mirror, and the waves will have some push.

Tuesday the 1st of September sees a 5ft SW swell with offshore wind in the morning – clean and workable. The afternoon bumps up to 7ft from the SSW, but the wind turns cross-onshore and it gets a bit crumbly.

Now, the gem of the whole two weeks: Wednesday the 2nd of September. We’ve got a solid 10ft SSW groundswell with a 13-second period, combined energy at a strong 2,737, and gentle offshore wind. That’s a serious session for experienced surfers. This point will deliver long, powerful lines. The 13-second period means good shape and energy, but long waits between sets – paddle out smart.

Thursday the 3rd is a complete washout – strong onshore winds and rain. Skip it.

Then we hit a crazy spike on Friday the 4th of September. The swell is predicted to be massive – 28ft from the SSE with a 14-second period and a combined energy of 26,638. That’s way, way too big for this break. It’s a gale-force cross-onshore mess. This is more for kite surfing, not paddle surfing. Saturday the 5th is similar – insane 21ft swell, but clean with cross-offshore winds. Still, only for the most experienced nutters.

Sunday the 6th of September calms down to a still-chunky 12ft SSE swell with offshore wind – that’s manageable for experts, but not for the faint of heart. The energy is still strong at 4,319.

After that, the surf slowly fades through Monday and Tuesday, dropping under 3ft with clean but weak conditions. Wednesday the 9th is tiny – 2ft with light wind, just surfable. Thursday the 10th brings a fresh pulse of 7ft SW swell, but it’s completely trashed by strong onshore winds.

Best bet? Wednesday morning the 2nd of September at Riet River – 10ft SSW, offshore wind, clean, and powerful. Monday the 31st of August is your second pick for a cleaner, smaller session. Everything else is either too small, too windy, or way too big to be fun.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 33°C on Sat morning, min 16°C on Wed night). Winds decreasing (strong winds from the ENE on Wed night, light winds from the ESE by Fri afternoon).

Days 5-7 Weather Summary

Light rain (total 2mm), mostly falling on Sun morning. Warm (max 22°C on Tue afternoon, min 13°C on Sun night). Winds decreasing (strong winds from the WSW on Sun morning, light winds from the W by Tue morning).

Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
2
3
3
0
1
1
0
0
2
4
2
1
1
3
4
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
S
13
2.1
S
12
1.9
S
12
1.6
S
12
1.3
S
12
1.3
S
11
1.3
S
11
1
S
11
0.8
S
11
0.5
SW
13
2.3
SW
7
2.5
SW
9
2.2
SW
9
1.9
SW
10
1.8
SW
10
1.4
SW
10
1.6
SW
11
1.9
SW
12
2
SSW
12
Wave Graph
Metric surfscale
Energy kJ
2359
1379
1083
738
456
411
418
248
157
78
554
1119
840
745
676
424
638
1012
1154
Wind (km/h)
50
ENE
35
NE
35
NE
20
NE
15
NNW
10
ESE
15
N
20
N
25
WSW
35
WSW
40
WSW
30
WSW
20
W
15
SW
30
SW
5
NNE
5
W
10
ESE
20
WSW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-off
cross-on
cross
cross-off
cross-off
off
cross-off
cross-off
off
cross-off
cross-off
cross
off
on
cross-off
High Tide
3:18AM1.48m
3:39PM1.57m
3:45AM1.55m
4:05PM1.66m
4:13AM1.59m
4:32PM1.71m
4:41AM1.59m
4:59PM1.72m
5:10AM1.56m
5:28PM1.69m
5:40AM1.50m
6:00PM1.61m
Low Tide
9:16PM0.24m
9:26AM0.10m
9:44PM0.15m
9:51AM0.03m
10:11PM0.08m
10:17AM-0.01m
10:39PM0.05m
10:44AM-0.02m
11:09PM0.05m
11:13AM0.02m
11:39PM0.09m
11:43AM0.09m
00:13AM0.18m
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:35
6:35
6:33
6:31
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:50
5:50
5:51
5:52
5:52
5:52
5:53
 mm
2
Temp °C
17
21
24
23
32
29
29
33
32
19
16
17
16
16
17
15
20
22
18
Feels °C
10
15
20
20
28
26
25
28
30
16
9
8
10
12
12
12
19
20
17
  • Map Icons:
  • Break
  • 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 Riet River Surf forecast

The above surf forecast table for Riet River provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Riet River can be found by selecting the local surf guide option on the grey menu. Our Riet River 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 (Riet River) 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 Riet River 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 Eastern Cape (South)? If you are looking for accommodation near Riet River, camping, hotels and holiday cottages in Eastern Cape (South), consider staying in Port Alfred which is 5 km (3 miles) away. Other places in and around Eastern Cape (South) where you can find information about places to rent, and car hire include Grahamstown which is 48 km (30 miles) away, Bisho and Fort Beaufort.

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