Surf Forecasts:
Riet River surf forecast from 17 Jun 2026:
- Best quality surf: Thursday 18 Jun, 5AM (local time) - 7.5ft (2.3m), 13s period, SSW swell with cross-offshore winds.
- Most powerful swell: Thursday 18 Jun, 8PM (local time) - 7.5ft (2.3m), 14s period, SSW swell with 2,169 kJ wave energy.
- Next surfable swell (1★+): Thursday 18 Jun, 5AM (local time) - 7.5ft (2.3m), 13s 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 Thursday (Jun 18) at 5AM. The primary swell is predicted to be 2.3m and 13s period with a secondary swell of 0.2m and 6s. 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 2.3m 14s and forecast to arrive on Thursday (Jun 18) at 8PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 7s period and expected on Saturday (Jun 20) at 8PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Thu 18th Jun) | 7.5ft (2.3m) 13s |
| Best Surf | 5AM (Thu 18th Jun) | 7.5ft (2.3m) 13s |
| Most Powerful | 8PM (Thu 18th Jun) | 7.5ft (2.3m) 14s |
Table - best surf conditions forecast for Riet River over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Thu night. Very mild (max 19°C on Thu afternoon, min 14°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Sun afternoon, min 13°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 12 | SSW 13 | SSW 14 | SSW 13 | SSW 13 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SW 11 | SW 11 | SSW 15 | SSW 14 | SSW 13 | SW 12 | SSW 13 | SSW 13 | SSW 12 | SW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 634 | 1013 | 1914 | 2116 | 1152 | 1906 | 1673 | 1686 | 1530 | 680 | 371 | 182 | 103 | 309 | 682 | 659 | 324 | 504 | 423 | 554 | 521 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross | cross-off | cross-off | off | cross-off | on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross | cross-off | cross | cross-off | cross-off | cross-off | glassy |
High Tide | 5:34PM1.55m | 5:48AM1.49m | 6:22PM1.51m | 6:33AM1.38m | 7:11PM1.45m | 7:21AM1.26m | 8:03PM1.37m | 8:14AM1.15m | 9:00PM1.30m | 9:18AM1.06m | 10:05PM1.24m | 10:36AM1.02m | 11:14PM1.21m | ||||||||
Low Tide | 11:17AM0.07m | 11:42PM0.19m | 12:01PM0.12m | 00:31AM0.27m | 12:45PM0.19m | 1:24AM0.37m | 1:31PM0.29m | 2:20AM0.46m | 2:21PM0.39m | 3:24AM0.52m | 3:19PM0.48m | 4:36AM0.55m | 4:29PM0.54m | ||||||||
 | |  | |  |  | | | | | | | | |  | | | | | | | |
 | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — |
 | — | 5:09 | — | — | 5:10 | — | — | 5:10 | — | — | 5:10 | — | — | 5:10 | — | — | 5:10 | — | — | 5:12 | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 18 | 17 | 17 | 19 | 16 | 17 | 17 | 16 | 16 | 20 | 20 | 24 | 27 | 24 | 25 | 26 | 23 | 24 | 26 | 20 |
Feels °C | 17 | 17 | 16 | 15 | 16 | 13 | 15 | 14 | 13 | 11 | 16 | 17 | 21 | 26 | 22 | 22 | 24 | 23 | 22 | 25 | 21 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 13 | SSW 14 | SSW 13 | SSW 13 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SW 11 | ENE 8 | SSW 15 | ENE 8 | SSW 13 | ENE 8 | SSW 13 | SSW 13 | SSW 12 | SW 11 |
| kJ | 634 | 1013 | 1914 | 2116 | 1152 | 1906 | 1673 | 1686 | 1530 | 680 | 371 | 182 | 234 | 309 | 286 | 659 | 140 | 504 | 423 | 554 | 521 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | SE 6 | SE 6 | E 7 | SSW 16 | E 9 | E 9 | E 9 | E 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSW 14 | ENE 8 | SW 12 | ENE 8 | ENE 7 | E 7 | ENE 8 |
| kJ | 26 | 19 | 9 | 3 | 671 | 7 | 7 | 6 | 8 | 108 | 144 | 113 | 62 | 44 | 682 | 202 | 324 | 77 | 52 | 37 | 62 |
Swell 3 Height (m) Direction Period (s) | E 7 | E 7 | ENE 7 | E 10 | E 10 | — | — | — | — | SW 18 | — | SSW 16 | SW 11 | SW 10 | SE 8 | SE 11 | SSW 14 | ESE 11 | ESE 11 | SE 11 | ESE 11 |
| kJ | 10 | 9 | 10 | 8 | 8 | — | — | — | — | 12 | — | 25 | 103 | 67 | 18 | 19 | 280 | 12 | 12 | 5 | 12 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 3 | — | — | — | ENE 3 | ENE 5 | ENE 6 | ENE 7 | — | ENE 8 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 7 | — | — | — | 9 | 87 | 190 | 297 | — | 202 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 5 | 16 | 4 | 123 | 123 | 0 | 0 | 110 | 115 | 135 | 161 | 5 | 5 | 16 | 4 | 5 | 20 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Eastern Cape (South) | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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