Riet River Surf Break

Lat Long: 33.58° S 26.93° E

Riet River Surf Forecast and Surf Report

Issued: 7 am 17 Jul 2026 (local time)

Forecast update in  hr  min

Today's Riet River sea temperature is
17.3° C
2.6° 

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 Jul 2026:

  • Best quality surf: Monday 20 Jul, 2AM (local time) - 10ft (3.0m), 10s period, SW swell with offshore winds.
  • Most powerful swell: Thursday 23 Jul, 2AM (local time) - 15ft (4.5m), 11s period, SW swell with 4,912 kJ wave energy.
  • Next surfable swell (1★+): Friday 17 Jul, 5PM (local time) - 8ft (2.4m), 12s 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 Friday (Jul 17) at 5PM. The primary swell is predicted to be 2.4m 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 4.5m 11s and forecast to arrive on Thursday (Jul 23) at 2AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 8s period and expected on Wednesday (Jul 22) at 8AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Fri 17th Jul)8ft (2.4m) 12s
Best Surf 2AM (Mon 20th Jul)10ft (3.0m) 10s
Most Powerful 2AM (Thu 23rd Jul)15ft (4.5m) 11s

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


The Lowdown

Alright, this is Rusty. Let’s talk about what’s shaping up at Riet River over the next couple of weeks.

The forecast kicks off this Friday the 17th, and straight away we’ve got some solid, powerful SW groundswell hitting an exposed point break. The water is sitting at 63°, which is a whopping 5° colder than normal for this time of year – that’s a seriously cold anomaly, so you’ll be reaching for the thickest wetsuit. The energy is pumping with a combined swell energy reading of 3957, which is strong.

Friday morning sees a 8 ft SW swell (12 sec period) with a moderate cross-offshore breeze keeping things clean. The crowd factor is listed as “sometimes,” so you might have company, but it’s a long point break. The standout for the whole forecast, though, is Thursday the 23rd. Clear skies, a slight air, and an 12 ft SW swell (12 sec) with a combined energy of 3878. The wind is a light cross-offshore, making it glassy. This is expert territory at that size, but the conditions are absolutely excellent.

Saturday the 18th drops back to 4 ft, still clean but much smaller. Sunday the 19th gets messy with a 25 mph cross-offshore wind and a dropping period, so that’s a write-off. Monday the 20th has a 6 ft SW swell but with a cross-shore wind, not ideal.

Now, look out for Wednesday the 22nd. It’s glassy in the morning with an 8 ft SW groundswell (13 sec) and a combined energy of 2360. That’s a quiet, clean session for experienced surfers on a mid-week morning. Thursday the 23rd is the absolute peak as I mentioned, with that 12 ft swell and glassy conditions.

Friday the 24th is another beauty: 8 ft SSW groundswell, glassy, combined energy of 2573. From the 25th to the 27th, the swell is massive – 10 ft to 18 ft – but the wind is strong and cross-offshore, or even cross-onshore by the 27th. The 27th is a total write-off with poor surf conditions and a combined energy of nearly 10,000; that’s just a washing machine for experts only, and even then, questionable.

The first week of August sees a drop in size, with 5 ft to 8 ft swells and glassy mornings, but the period drops off. It’s a good end to the run, but not the standout.

So, the best on offer is crystal clear: Thursday the 23rd, dawn patrol. 12 ft SW, glassy cross-offshore, clean, and powerful. Wednesday the 22nd and Friday the 24th are also serious contenders. Remember, Riet River is an inconsistent point break, but when it fires like this, it’s a proper session. There’s a three-day gap of poor conditions from the 27th to the 29th, but the 28th and 29th actually clean up nicely with a new swell direction.

Rusty out.

Short Range Forecast

Mostly dry. Very mild (max 19°C on Sat afternoon, min 13°C on Sun night). Winds increasing (calm on Fri night, strong winds from the WSW by Sun night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 22°C on Wed afternoon, min 13°C on Mon morning). Mainly fresh winds.

Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
4
3
3
2
4
2
1
5
3
2
2
3
3
4
4
3
5
5
5
4
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
SW
12
2.4
SSW
12
1.7
SW
11
1.3
S
12
1.3
S
11
2.2
SSW
11
1.7
SW
9
2.4
SW
8
3
SW
10
1.7
SW
10
1.6
SE
12
1.4
SE
12
1.2
SE
11
0.9
SSW
14
1.7
SSW
13
2.5
SW
13
3
SW
13
4.5
SW
11
3.5
SW
12
3
SW
12
2.3
SSW
11
Wave Graph
Metric surfscale
Energy kJ
2218
1475
664
472
396
1134
468
800
1895
592
666
533
347
350
950
2214
2483
4912
3843
2637
1314
Wind (km/h)
25
WSW
10
SW
5
NNW
10
WSW
20
SW
15
W
20
WSW
40
WSW
25
W
5
NNE
20
ENE
10
N
10
SW
10
S
10
NW
5
NE
30
WSW
25
W
5
SW
10
ESE
10
W
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
cross
cross-on
cross
cross-off
cross-off
cross-off
glassy
cross-off
off
cross-off
cross-on
off
High Tide
6:01PM1.63m
6:10AM1.45m
6:40PM1.56m
6:47AM1.34m
7:18PM1.46m
7:25AM1.23m
7:58PM1.34m
8:07AM1.11m
8:43PM1.22m
9:04AM1.01m
9:48PM1.11m
10:42AM0.94m
11:28PM1.07m
Low Tide
11:41AM0.03m
00:11AM0.18m
12:17PM0.10m
00:51AM0.27m
12:52PM0.20m
1:31AM0.37m
1:28PM0.33m
2:13AM0.48m
2:08PM0.46m
3:06AM0.57m
3:01PM0.58m
4:25AM0.63m
4:30PM0.66m
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:13
7:13
7:11
7:11
7:11
7:11
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:22
5:22
5:23
5:24
5:24
5:25
5:25
 mm
Temp °C
17
17
16
18
19
16
18
19
16
17
19
17
18
20
17
20
22
18
18
19
17
Feels °C
14
14
16
16
16
13
14
15
9
15
16
15
16
19
16
18
21
14
17
18
17
  • 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 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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