
Surf Forecasts:
How big are the waves at Arniston today (12 Jul):
- Morning surf: Morning surf (12 Jul, local time) - 3.5ft (1.1m), 11s period with S swell.
- Afternoon surf: Afternoon surf (12 Jul, local time) - 3.5ft (1.1m), 11s period with S swell.
- Evening surf: Evening surf (12 Jul, local time) - 5.5ft (1.7m), 7s period with ESE swell.
The current surf forecast for Arniston at 2PM is: 1.1m 11s primary swell from a South direction and 0.1m 16s secondary swell from a Southwest direction, 1.7m 7s secondary swell from a East-southeast direction (forecast issued at 07:00am July 12). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Jul) | 3.5ft (1.1m) | 11s |
| Afternoon (12 Jul) | 3.5ft (1.1m) | 11s |
| Evening (12 Jul) | 5.5ft (1.7m) | 7s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Tue afternoon, min 14°C on Mon morning). Winds decreasing (fresh winds from the E on Sun afternoon, calm by Mon morning). | ||||||||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wed 15 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map | ||||||||||||||||||||||||
Wave Height (m) Direction Period (s) | SSW 11 | SSW 11 | S 11 | S 11 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
Wave Graph | ||||||||||||||||||||||||
370 | 308 | 286 | 281 | 241 | 241 | 222 | 204 | 168 | 183 | 214 | 220 | 196 | 196 | 191 | 186 | 161 | 165 | 221 | 237 | 237 | 202 | 206 | 206 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross | glassy | on | on | cross-on | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | off | off |
High Tide | 1:53PM1.65m | 2:06AM1.83m | 2:43PM1.80m | 2:56AM1.90m | 3:28PM1.90m | |||||||||||||||||||
Low Tide | 7:40AM0.23m | 7:58PM0.33m | 8:32AM0.11m | 8:51PM0.22m | 9:18AM0.04m | 9:40PM0.14m | ||||||||||||||||||
7:45 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | 7:43 | |
— | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:45 | — | — | 5:45 | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 15 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 15 | 17 | 16 | 15 | 15 | 15 |
Feels °C | 10 | 10 | 10 | 11 | 11 | 11 | 12 | 13 | 13 | 13 | 15 | 15 | 15 | 15 | 15 | 13 | 13 | 12 | 12 | 13 | 12 | 11 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | SSW 11 | SSE 7 | SE 7 | S 11 | S 10 | S 10 | SSW 11 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
370 | 168 | 153 | 281 | 225 | 216 | 150 | 204 | 168 | 183 | 214 | 220 | 196 | 196 | 191 | 186 | 161 | 165 | 221 | 237 | 237 | 202 | 206 | 206 | |
Swell 2 Height (m) Direction Period (s) | W 12 | SSW 11 | S 11 | SW 16 | SW 16 | SW 15 | SSE 10 | SSW 10 | S 10 | S 10 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | S 10 | SSE 9 | SSE 9 | S 9 | S 9 | S 9 | S 8 | SSE 8 | SSE 8 |
3 | 308 | 286 | 10 | 10 | 9 | 30 | 147 | 161 | 161 | 77 | 77 | 69 | 50 | 49 | 47 | 90 | 86 | 59 | 40 | 39 | 37 | 23 | 23 | |
Swell 3 Height (m) Direction Period (s) | SW 17 | W 11 | SW 16 | W 11 | W 11 | W 11 | SW 15 | SSE 10 | SW 15 | SW 15 | S 10 | S 9 | S 10 | S 10 | S 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SW 14 | SSW 14 | SSW 12 | SSW 12 |
11 | 3 | 10 | 2 | 2 | 2 | 8 | 31 | 8 | 8 | 70 | 63 | 50 | 51 | 49 | 48 | 32 | 33 | 16 | 8 | 53 | 20 | 15 | 15 | |
Wind waves Height (m) Direction Period (s) | SE 7 | E 6 | E 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | — | — | — | — | — | — | — | — | — | — | W 3 | W 2 | WSW 3 | WSW 3 | WSW 3 | WSW 3 | W 3 |
308 | 119 | 102 | 254 | 241 | 241 | 222 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 6 | 3 | 3 | 1 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 76 | 76 | 76 | 0 | 65 | 76 | 76 | 0 | 0 | 0 | 0 | 0 | 19 | 19 | 19 | 0 | 0 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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