Riet River surfForecast / Eastern Cape (S) / South Africa

information circle16 Day Weather and Surf, issued 7 am Monday 11 May 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Riet River surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Riet River sea temperature is
18.6° C
(Which is 3.6°C colder than average for this time of year)

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 Tuesday (May 12) at 5PM. The primary swell is predicted to be 4.0m and 14s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Riet River in the next 16 days are 6.0m 13s and forecast to arrive on Wednesday (May 13) at 11AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Monday (May 11) at 5PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Tue 12th May)13ft (4.0m) 14s
Best Surf 8AM (Thu 14th May)13ft (4.0m) 12s
Most Powerful11AM (Wed 13th May)20ft (6.0m) 13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 9mm), mostly falling on Tue morning. Warm (max 22°C on Mon afternoon, min 14°C on Mon morning). Winds decreasing (gales from the WNW on Mon night, light winds from the W by Tue afternoon).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 19°C on Fri morning, min 15°C on Thu morning). Wind will be generally light.

Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
0
6
5
6
3
0
6
4
3
3
5
5
3
4
4
4
2
3
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3.5
SW
12
2.3
SW
12
5
SW
15
4.5
SSW
14
4
SSW
14
4
SW
12
6
SW
13
5.5
SSW
13
4
SSW
13
3
SSW
12
2.5
SSW
12
3
SSW
14
3
S
14
2.5
S
14
2.5
SSW
13
2.2
SSW
12
1.7
S
12
1.5
S
12
1.3
S
11
1.1
S
11
1.2
S
13
Wave Graph
Metric surfscale
Energy kJ
3094
1413
10278
7121
5633
4168
12288
10091
4999
2649
1966
4164
3521
2816
2028
1415
827
636
396
279
477
Wind (km/h)
40
NW
60
NW
55
WNW
40
WSW
15
W
40
W
55
WSW
45
WSW
30
W
25
WSW
15
SW
10
NNW
10
WSW
15
SW
10
WNW
0
SE
10
SE
10
N
5
E
10
SSE
15
SSW
cross-off
cross-off
off
cross-off
off
off
off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
cross
glassy
cross
cross-off
High Tide
11:24AM1.06m
00:03AM1.27m
12:28PM1.17m
00:51AM1.41m
1:18PM1.28m
1:34AM1.55m
2:01PM1.39m
2:15AM1.65m
2:43PM1.48m
2:57AM1.72m
3:24PM1.54m
3:39AM1.73m
4:06PM1.56m
4:21AM1.69m
Low Tide
5:27PM0.49m
6:25AM0.45m
6:25PM0.39m
7:13AM0.30m
7:13PM0.28m
7:55AM0.16m
7:57PM0.18m
8:36AM0.06m
8:40PM0.11m
9:16AM-0.00m
9:23PM0.06m
9:57AM-0.01m
10:06PM0.07m
part cloud
cloud
rain showers
rain showers
light rain
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:54
6:54
6:54
6:56
6:56
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:22
5:22
5:22
5:21
5:20
5:19
5:19
1
2
3
3
2
Temp °C
18
22
22
22
17
21
18
18
16
17
18
16
19
19
17
18
19
19
19
20
19
9
10
10
14
15
14
7
7
9
12
13
15
17
16
16
19
19
19
20
20
20
Swell 1
Height (m)
Direction
Period (s)
3.5
SW
12
2.3
SW
12
5
SW
15
4
SSW
14
0.2
ENE
8
3
SSW
12
2.5
SSW
12
3
SSW
14
3
S
14
2.5
S
14
2.5
SSW
13
2.2
SSW
12
1.7
S
12
1.5
S
12
1.3
S
11
1.1
S
11
1.2
S
13
Energy kJ
3094
1413
10278
5633
7
2649
1966
4164
3521
2816
2028
1415
827
636
396
279
477
Swell 2
Height (m)
Direction
Period (s)
0.4
ENE
9
0.4
ENE
10
0.3
SE
12
0.4
NE
9
0.4
NE
8
0.7
S
15
0.2
WSW
18
0.4
SW
16
0.3
SW
16
0.4
SW
15
0.4
SSW
15
0.9
SW
11
1.1
SW
12
1
SW
12
0.8
SW
11
0.3
ENE
4
Energy kJ
28
38
22
19
17
213
31
68
42
60
91
202
319
259
142
3
Swell 3
Height (m)
Direction
Period (s)
0.4
SSE
12
0.4
SE
12
0.4
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
14
0.2
ENE
10
0.3
ENE
10
0.6
S
14
0.3
ENE
8
Energy kJ
58
37
68
193
193
167
9
18
136
14
Wind waves
Height (m)
Direction
Period (s)
1
NW
5
1.4
WNW
5
0.6
NNW
5
4.5
SSW
14
4
SW
12
6
SW
13
5.5
SSW
13
4
SSW
13
0.6
E
3
0.5
E
4
0.8
SW
10
Energy kJ
47
97
17
7121
4168
12288
10091
4999
7
7
144
Nearest Offshore or Glassy
Rating
(10 max)
3
3
2
9
6
4
3
3
5
4
4
5
5
4
4
4
4
3
3
2
3
Distance (km)
115
260
328
191
0
304
435
724
111
123
20
0
0
20
0
0
369
4
0
88
0
Best forecast wave conditions in Eastern Cape (South)
Rating
(10 max)
9
9
6
5
4
6
5
5
4
4
4
3
2
3
Best forecast wave conditions in South Africa
Rating
(10 max)
4
3
9
9
9
5
5
4
8
4
4
6
5
4
4
4
4
4
4
3
3
Header Global
Rating
(10 max)
5
4
9
9
9
9
9
7
8
5
5
6
5
5
5
5
5
5
5
5
4
  • 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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