Surf Forecasts:
How big are the waves at Extensions today (13 Jul):
- Morning surf: Morning surf (13 Jul, local time) - 3ft (0.9m), 10s period with SSW swell.
- Afternoon surf: Afternoon surf (13 Jul, local time) - 2.5ft (0.8m), 10s period with SSW swell.
- Evening surf: Evening surf (13 Jul, local time) - 2ft (0.6m), 12s period with W swell.
The current surf forecast for Extensions at 12PM is: 0.8m 10s primary swell from a South-southwest direction and 0.6m 9s secondary swell from a South direction (forecast issued at 07:00am July 13). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Jul) | 3ft (0.9m) | 10s |
| Afternoon (13 Jul) | 2.5ft (0.8m) | 10s |
| Evening (13 Jul) | 2ft (0.6m) | 12s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Mon afternoon, min 14°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thu 16 | |||||||||||||||||||||
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 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 17 | SW 17 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 214 | 157 | 125 | 122 | 105 | 98 | 177 | 202 | 188 | 184 | 162 | 156 | 156 | 149 | 137 | 192 | 283 | 702 | 1489 | 2314 | 4139 | 4542 | 4479 | 3996 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | glassy | 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 | on | on | glassy | cross-off | glassy |
High Tide | 2:40PM1.47m | 2:55AM1.55m | 3:28PM1.56m | 3:43AM1.57m | 4:13PM1.61m | |||||||||||||||||||
Low Tide | 8:28AM0.09m | 8:48PM0.17m | 9:15AM0.02m | 9:38PM0.10m | 9:59AM-0.00m | 10:25PM0.08m | ||||||||||||||||||
 |  | | | |  | | | | | | | | |  | | | | | | | | | | |
 | 7:50 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | 7:48 |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:53 | — | — | 5:53 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 15 | 15 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 15 |
Feels °C | 14 | 12 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 11 | 11 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 16 | 16 | 17 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | 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 17 | SW 17 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 |
| kJ | 214 | 157 | 125 | 122 | 105 | 78 | 177 | 202 | 188 | 184 | 162 | 156 | 156 | 149 | 137 | 132 | 165 | 702 | 1489 | 2314 | 4139 | 4542 | 4479 | 3996 |
Swell 2 Height (m) Direction Period (s) | SE 7 | SE 7 | S 10 | S 9 | S 9 | S 9 | SSE 8 | SSE 10 | SSE 9 | S 9 | SW 16 | SSE 9 | S 9 | S 9 | SW 12 | SW 18 | SW 17 | SW 11 | SW 10 | SW 10 | W 9 | W 9 | — | — |
| kJ | 55 | 37 | 67 | 61 | 60 | 60 | 64 | 72 | 61 | 60 | 159 | 62 | 40 | 38 | 52 | 192 | 283 | 168 | 208 | 251 | 76 | 57 | — | — |
Swell 3 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 9 | W 9 | W 12 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | S 9 | SW 16 | SW 12 | SW 12 | SSE 8 | SW 12 | SW 12 | W 9 | W 9 | W 11 | — | ESE 9 | — | — |
| kJ | 69 | 68 | 46 | 41 | 40 | 98 | 78 | 58 | 48 | 33 | 42 | 85 | 37 | 53 | 24 | 51 | 49 | 99 | 102 | 182 | — | 16 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | WNW 2 | NW 2 | WNW 2 | WSW 3 | — | NW 3 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 2 | — | 1 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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