Surf Forecasts:
How big are the waves at Arniston today (25 Sep):
- Morning surf: Morning surf (25 Sep, local time) - 4ft (1.2m), 12s period with SSW swell.
- Afternoon surf: Afternoon surf (25 Sep, local time) - 3.5ft (1.1m), 12s period with SSW swell.
- Evening surf: Evening surf (25 Sep, local time) - 3.5ft (1.0m), 12s period with SSW swell.
The current surf forecast for Arniston at 6AM is: 1.2m 12s primary swell from a South-southwest direction and 1.5m 7s secondary swell from a East-southeast direction (forecast issued at 01:00am September 25). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Sep) | 4ft (1.2m) | 12s |
| Afternoon (25 Sep) | 3.5ft (1.1m) | 12s |
| Evening (25 Sep) | 3.5ft (1.0m) | 12s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sat morning. Very mild (max 17°C on Fri morning, min 15°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Friday 25 | Saturday 26 | Sunday 27 | ||||||||||||||||||||||
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 | 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) | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | S 8 | S 8 | S 8 | S 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 514 | 433 | 393 | 322 | 322 | 317 | 317 | 269 | 254 | 362 | 702 | 784 | 892 | 796 | 691 | 597 | 521 | 466 | 341 | 245 | 266 | 280 | 284 | 282 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | glassy | glassy | glassy | cross-off | cross-off | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | on | on |
High Tide | 2:15AM1.76m | 2:30PM1.94m | 2:45AM1.85m | 2:58PM2.03m | 3:16AM1.90m | 3:28PM2.08m | ||||||||||||||||||
Low Tide | 8:19AM0.16m | 8:43PM0.10m | 8:47AM0.08m | 9:12PM0.01m | 9:17AM0.05m | 9:42PM-0.02m | ||||||||||||||||||
 |  |  |  | | | | | | |  | | | | | | | | | |  | |  | | |
 | — | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 15 | 17 | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
Feels °C | 16 | 14 | 14 | 16 | 14 | 15 | 15 | 16 | 17 | 17 | 17 | 15 | 15 | 15 | 13 | 14 | 12 | 11 | 10 | 10 | 10 | 10 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | SSW 12 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | S 8 | S 8 |
| kJ | 235 | 236 | 214 | 220 | 181 | 151 | 120 | 97 | 254 | 362 | 702 | 784 | 892 | 796 | 691 | 597 | 521 | 466 | 341 | 245 | 200 | 198 | 284 | 282 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | ESE 7 | SSW 12 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | E 8 | E 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | SW 14 | SW 13 |
| kJ | 514 | 433 | 393 | 322 | 322 | 317 | 317 | 269 | 76 | 237 | 36 | 40 | 49 | 35 | 29 | 29 | 18 | 18 | 11 | 11 | 11 | 11 | 114 | 109 |
Swell 3 Height (m) Direction Period (s) | — | ENE 8 | — | — | — | S 16 | SSW 18 | S 9 | SSW 15 | ESE 7 | S 9 | S 9 | S 12 | S 11 | S 11 | — | — | — | — | — | — | — | E 8 | E 8 |
| kJ | — | 94 | — | — | — | 21 | 30 | 25 | 186 | 48 | 39 | 23 | 3 | 3 | 2 | — | — | — | — | — | — | — | 10 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 3 | SSW 6 | S 6 | S 6 | S 6 | S 7 | S 8 | S 8 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 52 | 73 | 80 | 124 | 187 | 266 | 280 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 65 | 0 | 0 | 65 | 110 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 183 | 113 | 105 | 81 | 81 | 183 | 183 | 183 | 261 | 183 | 81 | 81 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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