Riet River Surf Break

Lat Long: 33.58° S 26.93° E

Riet River Surf Forecast and Surf Report

Issued: 7 pm 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's Riet River sea temperature is
15.6°C
3.8° 

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 17 Sep 2026:

  • Best quality surf: Wednesday 23 Sep, 5PM (local time) - 5.5ft (1.7m), 10s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Thursday 17 Sep, 2PM (local time) - 8ft (2.5m), 13s period, S swell with 2,043 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 23 Sep, 5PM (local time) - 5.5ft (1.7m), 10s period with SSW 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 Wednesday (Sep 23) at 5PM. The primary swell is predicted to be 1.7m and 10s 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 2.5m 13s and forecast to arrive on Thursday (Sep 17) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Saturday (Sep 19) at 2AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Wed 23rd Sep)5.5ft (1.7m) 10s
Best Surf 5PM (Wed 23rd Sep)5.5ft (1.7m) 10s
Most Powerful 2PM (Thu 17th Sep)8ft (2.5m) 13s

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


Short Range Forecast

Heavy rain (total 29mm), heaviest during Wed night. Very mild (max 18°C on Fri afternoon, min 14°C on Wed night). Winds increasing (light winds from the S on Wed night, fresh winds from the ENE by Fri night).

Days 5-7 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Warm (max 30°C on Tue afternoon, min 17°C on Sat night). Wind will be generally light.

Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
0
0
0
0
0
0
0
0
0
3
3
2
2
0
0
1
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
SSW
13
1.3
SSW
13
1.7
SSW
12
2.3
ESE
8
1.5
SSW
12
1.5
SSW
12
1.4
SSW
11
1.2
SSW
12
1.1
SW
12
1
SW
11
1.7
SSW
14
1.7
SSW
13
1.4
SW
13
1.1
SW
12
1.1
SW
12
0.9
SW
12
0.9
SW
11
0.9
SW
11
1.4
SW
7
Wave Graph
Metric surfscale
Energy kJ
368
606
871
636
605
575
483
417
325
255
1240
1018
679
379
319
236
189
179
183
Wind (km/h)
15
ESE
25
E
25
ESE
25
SE
35
E
35
ENE
35
ENE
30
NE
20
ENE
15
NE
10
ENE
10
NE
10
NNE
10
ENE
20
ENE
15
NE
15
N
15
E
40
WSW
Wind State
cross-on
on
on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
on
on
cross-on
cross
on
cross-off
High Tide
6:24AM1.21m
6:37PM1.21m
6:51AM1.07m
7:06PM1.06m
7:36AM0.93m
8:24PM0.93m
12:20PM0.91m
00:31AM0.98m
1:19PM1.06m
1:21AM1.11m
1:48PM1.22m
1:52AM1.25m
Low Tide
00:22AM0.38m
12:25PM0.44m
00:51AM0.51m
12:54PM0.59m
1:34AM0.65m
1:45PM0.73m
4:33AM0.74m
6:24PM0.75m
6:58AM0.62m
7:22PM0.61m
7:33AM0.47m
7:53PM0.46m
mod rain
light rain
light rain
mod rain
light rain
rain showers
part cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
rain showers
part cloud
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:07
6:05
6:05
6:03
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:04
6:04
6:05
6:06
6:06
6:07
6:07
 mm
6
5
5
10
2
1
1
1
2
Temp °C
17
15
15
16
17
18
17
18
18
17
21
23
22
24
25
22
29
30
19
Feels °C
13
11
10
10
11
11
11
13
14
15
20
23
21
24
24
22
27
31
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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