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

information circle12 Day Weather and Surf, issued 7 pm Wednesday 10 Dec 2025 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
18.4° C
(Which is 3.7°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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Dec 12) at 8PM. The primary swell is predicted to be 1.1m and 9s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Riet River in the next 12 days are 3.0m 14s and forecast to arrive on Saturday (Dec 13) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 9s period and expected on Thursday (Dec 11) at 8PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Fri 12th Dec)3.5ft (1.1m) 9s
Best Surf11PM (Sat 13th Dec)10ft (3.0m) 14s
Most Powerful11PM (Sat 13th Dec)10ft (3.0m) 14s

Table - best surf conditions forecast for Riet River over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 27°C on Thu afternoon, min 18°C on Wed night). Mainly near gales.

Days 3-6 Weather Summary Mostly dry. Warm (max 27°C on Tue morning, min 17°C on Sat night). Winds increasing (light winds from the WNW on Sat night, fresh winds from the ESE by Tue afternoon).

Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
1
0
0
2
1
1
4
0
0
2
2
2
3
0
0
2
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.4
S
1.5
SSW
1.3
SSW
1
SSW
0.9
SSW
0.7
SW
0.7
SSW
3
SW
3
SW
3
SSW
2.3
SSW
2.1
SSW
1.8
SW
2.4
SSW
2.4
SSW
2.2
SW
1.6
SW
1.4
SW
1.3
SW
1.1
SW
0.8
SW
Period(s) (?)131110101010171011131212121312121111101110
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6434873392021579826016682504280515881277902174917921344662479341286132
Wind
(km/h)
35
NE
30
ENE
45
ENE
10
NE
25
SW
10
S
30
WSW
40
SW
35
SW
15
WNW
20
ESE
25
E
5
N
20
S
20
SSE
10
SE
30
E
30
ENE
15
WSW
20
S
15
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
ononcross-
on
cross-
off
crossoffcross-
off
cross-
off
offononcrosscrosscrosscross-
on
ononoffcrosscross-
on
High Tide
/ height (m)
8:29AM
1.25
8:40PM
1.05
9:40AM
1.20
10:05PM
0.99
10:55AM
1.19
11:33PM
1.00
12:02PM
1.21
12:41AM
1.06
12:54PM
1.25
1:30AM
1.13
1:38PM
1.31
2:10AM
1.21
2:16PM
1.36
Low Tide
/ height (m)
1:48AM
0.40
2:49PM
0.57
2:48AM
0.49
4:11PM
0.60
4:02AM
0.56
5:34PM
0.58
5:22AM
0.57
6:37PM
0.51
6:29AM
0.54
7:24PM
0.44
7:20AM
0.49
8:02PM
0.36
8:03AM
0.43
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
Sunrise-4:54--4:54--4:54--4:54--4:56--4:56--4:56-
Sunset--7:15--7:15--7:15--7:16--7:17--7:17--7:19
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
Rain (mm)
--------------------10
Temp. °C192627252223211920192123212323222725262724
Feels °C (?)132221221722221312151720192222232623272724
  • 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 12 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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