Surf Forecasts:
How big are the waves at Arniston today (28 Aug):
- Morning surf: Morning surf (28 Aug, local time) - 3.5ft (1.1m), 11s period with S swell.
- Afternoon surf: Afternoon surf (28 Aug, local time) - 3.5ft (1.0m), 11s period with S swell.
- Evening surf: Evening surf (28 Aug, local time) - 3.5ft (1.1m), 9s period with E swell.
The current surf forecast for Arniston at 2PM is: 1.2m 9s primary swell from a East direction and 1.0m 11s secondary swell from a South direction (forecast issued at 07:00am August 28). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Aug) | 3.5ft (1.1m) | 11s |
| Afternoon (28 Aug) | 3.5ft (1.0m) | 11s |
| Evening (28 Aug) | 3.5ft (1.1m) | 9s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat afternoon. Very mild (max 16°C on Fri morning, min 11°C on Sun night). Winds decreasing (fresh winds from the SW on Sat afternoon, calm by Sun night). | |||||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | |||||||||||||||||||||
5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | E 9 | E 9 | S 13 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SW 16 | SW 10 | SW 10 | SSW 9 | SSW 8 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 344 | 289 | 284 | 240 | 246 | 203 | 427 | 313 | 293 | 164 | 126 | 193 | 156 | 188 | 197 | 193 | 630 | 538 | 582 | 513 | 466 | 244 | 209 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross | cross | cross | cross-off | cross-off | cross | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-on | cross-on | cross-on | glassy |
High Tide | 3:32PM1.96m | 3:42AM1.86m | 3:59PM2.01m | 4:12AM1.86m | 4:28PM2.01m | ||||||||||||||||||
Low Tide | 9:20AM0.08m | 9:41PM0.12m | 9:46AM0.05m | 10:10PM0.08m | 10:14AM0.06m | 10:40PM0.09m | |||||||||||||||||
 |  | |  | |  | | | | | |  | | | | | | |  | | |  | | |
 | 7:03 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:17 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 16 | 16 | 15 | 15 | 15 | 14 | 15 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 14 | 14 | 13 | 13 | 12 |
Feels °C | 11 | 11 | 16 | 15 | 14 | 14 | 14 | 12 | 14 | 11 | 13 | 12 | 8 | 8 | 8 | 10 | 9 | 9 | 10 | 10 | 9 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SSE 12 | ESE 9 | E 9 | E 9 | E 9 | E 8 | SW 14 | SW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SW 12 | S 7 |
| kJ | 270 | 276 | 235 | 240 | 246 | 203 | 199 | 165 | 293 | 129 | 99 | 99 | 73 | 52 | 119 | 144 | 630 | 538 | 582 | 513 | 466 | 244 | 86 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 13 | SSE 12 | E 9 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | E 8 | E 10 | E 9 | E 9 | E 9 | E 10 | E 9 | S 7 | SW 12 |
| kJ | 344 | 289 | 284 | 231 | 181 | 177 | 427 | 313 | 162 | 164 | 126 | 128 | 100 | 73 | 37 | 45 | 39 | 24 | 25 | 29 | 25 | 61 | 209 |
Swell 3 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 16 | SSE 14 | SSE 14 | SSE 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 16 | SW 15 | SW 14 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | E 9 | E 9 |
| kJ | 35 | 36 | 39 | 118 | 154 | 145 | 100 | 33 | 78 | 84 | 83 | 193 | 106 | 128 | 68 | 66 | 45 | 22 | 21 | 20 | 20 | 14 | 14 |
Wind waves Height (m) Direction Period (s) | WSW 3 | WSW 3 | W 3 | — | — | — | — | — | — | SW 3 | WSW 3 | — | SW 10 | SW 10 | SSW 9 | SSW 8 | — | — | — | — | — | — | — |
| kJ | 3 | 3 | 3 | — | — | — | — | — | — | 2 | 2 | — | 156 | 188 | 197 | 193 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 19 | 0 | 0 | 19 | 19 | 76 | 0 | 0 | 19 | 19 | 0 | 0 | 105 | 183 | 183 | 81 | 81 | 81 | 81 | 183 | 183 | 81 | 0 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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