Surf Forecasts:
How big are the waves at Extensions today (12 Jul):
- Afternoon surf: Afternoon surf (12 Jul, local time) - 4ft (1.2m), 11s period with SSW swell.
- Evening surf: Evening surf (12 Jul, local time) - 4ft (1.2m), 10s period with SSW swell.
The current surf forecast for Extensions at 11PM is: 1.1m 10s primary swell from a South-southwest direction (forecast issued at 07:00pm July 12). An open ocean swell of 1.1m 7s is not directed at the surf break, a second open ocean swell of 1.6m 7s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Jul) | - | - |
| Afternoon (12 Jul) | 4ft (1.2m) | 11s |
| Evening (12 Jul) | 4ft (1.2m) | 10s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sun night, min 15°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 12 | Monday 13 | Tuesday 14 | Wed 15 | |||||||||||||||||||||
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 | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | W 12 | W 12 | W 11 | W 11 | W 11 | SW 16 | W 10 | W 10 | W 10 | W 9 | SW 18 | SW 17 | SW 16 | SW 16 | SW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 302 | 285 | 237 | 232 | 209 | 157 | 125 | 122 | 105 | 98 | 177 | 202 | 188 | 184 | 162 | 156 | 156 | 149 | 137 | 192 | 354 | 694 | 1511 | 2418 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | off | glassy | on | glassy | 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 | cross-on | on |
High Tide | 2:02AM1.49m | 2:40PM1.47m | 2:55AM1.55m | 3:28PM1.56m | 3:43AM1.57m | |||||||||||||||||||
Low Tide | 7:54PM0.26m | 8:28AM0.09m | 8:48PM0.17m | 9:15AM0.02m | 9:38PM0.10m | 9:59AM-0.00m | ||||||||||||||||||
 |  | | | |  | | | |  | | | | | | |  |  | | | | | | | |
 | — | — | — | — | 7:50 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | — | 7:50 | — | — | — |
 | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | 5:53 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 |
Feels °C | 14 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 14 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 15 |
Swell 1 Height (m) Direction Period (s) | SSW 11 | SSW 10 | SE 7 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | W 12 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | SW 16 | SW 16 | SW 15 |
| kJ | 302 | 285 | 132 | 232 | 209 | 157 | 125 | 122 | 105 | 78 | 177 | 202 | 188 | 184 | 162 | 156 | 156 | 149 | 137 | 132 | 199 | 694 | 1511 | 2418 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | W 10 | SSW 10 | SE 7 | SE 7 | SE 7 | S 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 10 | S 10 | S 9 | SSE 9 | SSE 9 | S 9 | S 9 | SW 12 | SW 18 | SW 17 | W 9 | SW 10 | SW 10 |
| kJ | 150 | 73 | 237 | 102 | 55 | 49 | 67 | 88 | 86 | 65 | 65 | 68 | 46 | 42 | 66 | 62 | 41 | 38 | 53 | 192 | 354 | 99 | 244 | 318 |
Swell 3 Height (m) Direction Period (s) | W 11 | SW 15 | W 10 | W 10 | W 10 | W 10 | SSE 6 | W 9 | W 9 | W 12 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SW 16 | SW 16 | SW 12 | SW 12 | SSE 8 | WSW 4 | SSE 8 | SW 8 | W 9 | W 11 |
| kJ | 110 | 34 | 71 | 69 | 69 | 68 | 27 | 41 | 40 | 98 | 78 | 58 | 48 | 33 | 159 | 85 | 37 | 53 | 24 | 7 | 13 | 64 | 102 | 182 |
Wind waves Height (m) Direction Period (s) | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | — | — | — | — | — | — | — | — | — | NW 2 | NW 2 | WNW 2 | WSW 3 | — | — | — | — | — |
| kJ | 303 | 122 | 258 | 194 | 131 | 102 | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 2 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 1 | 1 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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