Surf Forecasts:
How big are the waves at Arniston today (28 Sep):
- Morning surf: Morning surf (28 Sep, local time) - 5ft (1.6m), 8s period with S swell.
- Afternoon surf: Afternoon surf (28 Sep, local time) - 5ft (1.5m), 8s period with S swell.
- Evening surf: Evening surf (28 Sep, local time) - 4.5ft (1.4m), 8s period with S swell.
The current surf forecast for Arniston at 1PM is: 1.5m 8s primary swell from a South direction and 0.4m 13s secondary swell from a Southwest direction, 0.8m 4s secondary swell from a East-southeast direction (forecast issued at 07:00am September 28). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Sep) | 5ft (1.6m) | 8s |
| Afternoon (28 Sep) | 5ft (1.5m) | 8s |
| Evening (28 Sep) | 4.5ft (1.4m) | 8s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Wed night, min 13°C on Tue night). Winds decreasing (near gales from the E on Tue afternoon, light winds from the NE by Wed night). | |||||||||||||||||||||||
Monday 28 | Tuesday 29 | Wednesday 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 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SSE 8 | SSE 10 | SSE 8 | SSE 10 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | ESE 9 | ESE 9 | ESE 9 | E 9 | ESE 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 346 | 347 | 358 | 305 | 260 | 264 | 229 | 371 | 270 | 386 | 466 | 523 | 604 | 636 | 784 | 1178 | 1237 | 1043 | 959 | 1047 | 1177 | 1010 | 791 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:00PM2.06m | 4:22AM1.86m | 4:34PM1.98m | 4:58AM1.76m | 5:12PM1.84m | ||||||||||||||||||
Low Tide | 9:48AM0.06m | 10:15PM0.00m | 10:21AM0.12m | 10:50PM0.09m | 10:57AM0.22m | ||||||||||||||||||
 |  |  | | |  | | | | | | | | | | | | | | | | | | |
 | 6:20 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 14 | 13 | 14 | 17 | 21 | 22 | 21 | 21 |
Feels °C | 11 | 11 | 10 | 10 | 8 | 9 | 7 | 7 | 7 | 6 | 6 | 5 | 6 | 7 | 8 | 6 | 7 | 8 | 11 | 15 | 16 | 15 | 17 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SSE 8 | SSE 10 | SSE 8 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 8 | SSE 8 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SE 10 | SE 11 |
| kJ | 346 | 347 | 358 | 305 | 260 | 264 | 229 | 371 | 270 | 386 | 325 | 284 | 221 | 173 | 147 | 223 | 217 | 144 | 138 | 134 | 131 | 144 | 263 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SSE 10 | S 8 | SW 12 | SSW 14 | SW 14 | SSW 13 | SSW 13 | SSW 13 | SW 13 | SSW 16 | SW 16 | — | — | — | — | SSW 14 | SSW 14 |
| kJ | 111 | 61 | 58 | 58 | 56 | 53 | 68 | 66 | 36 | 79 | 91 | 120 | 118 | 114 | 82 | 104 | 124 | — | — | — | — | 134 | 133 |
Swell 3 Height (m) Direction Period (s) | E 7 | E 9 | — | S 16 | S 16 | S 16 | SW 12 | SW 12 | SW 15 | SW 11 | SW 11 | WSW 11 | WSW 11 | — | SSW 17 | SW 16 | — | — | — | — | — | — | — |
| kJ | 1 | 2 | — | 5 | 5 | 5 | 52 | 51 | 54 | 19 | 60 | 68 | 23 | — | 54 | 206 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | E 7 | E 9 | ESE 4 | ESE 5 | ESE 5 | E 5 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | ESE 9 | ESE 9 | ESE 9 | E 9 | ESE 9 |
| kJ | — | 1 | 2 | 22 | 45 | 75 | 87 | 133 | 229 | 343 | 466 | 523 | 604 | 636 | 784 | 1178 | 1237 | 1043 | 959 | 1047 | 1177 | 1010 | 791 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 81 | 81 | 144 | 184 | 184 | 191 | 144 | 140 | 140 | 140 | 137 | 137 | 140 | 140 | 144 | 93 | 81 | 83 | 81 | 81 | 81 | 81 | 93 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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