Surf Forecasts:
How big are the waves at Extensions today (26 Aug):
- Afternoon surf: Afternoon surf (26 Aug, local time) - 4.5ft (1.3m), 12s period with WSW swell.
- Evening surf: Evening surf (26 Aug, local time) - 4ft (1.2m), 11s period with SSW swell.
The current surf forecast for Extensions at 11PM is: 1.2m 12s primary swell from a South-southwest direction (forecast issued at 07:00pm August 26). An open ocean swell of 1.3m 8s is not directed at the surf break, a second open ocean swell of 1.9m 8s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Aug) | - | - |
| Afternoon (26 Aug) | 4.5ft (1.3m) | 12s |
| Evening (26 Aug) | 4ft (1.2m) | 11s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat afternoon. Warm (max 22°C on Thu morning, min 14°C on Fri morning). Winds increasing (calm on Fri morning, fresh winds from the SSW by Sat afternoon). | |||||||||||||||||||
Wed 26 | Thursday 27 | Friday 28 | |||||||||||||||||
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 16 | WSW 12 | SSW 12 | SSW 11 | SSW 11 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | WSW 14 | WSW 14 | WSW 14 | WSW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 433 | 359 | 397 | 446 | 513 | 617 | 607 | 584 | 573 | 546 | 305 | 465 | 394 | 335 | 323 | 352 | 659 | 585 | 595 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | cross-off | cross-on | cross-on | on | on | on | on | on | on | cross | glassy | cross-on | cross | cross-off | cross-off |
High Tide | 2:37PM1.42m | 2:44AM1.41m | 3:05PM1.52m | 3:14AM1.47m | 3:33PM1.59m | ||||||||||||||
Low Tide | 8:47PM0.25m | 8:55AM0.14m | 9:15PM0.16m | 9:22AM0.08m | 9:44PM0.10m | ||||||||||||||
 |  | | | | | |  | |  | | | | | | |  | | | |
 | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — |
 | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 20 | 20 | 21 | 22 | 20 | 19 | 17 | 16 | 16 | 15 | 15 | 14 | 15 | 15 | 15 | 15 | 15 |
Feels °C | 16 | 17 | 17 | 17 | 18 | 19 | 18 | 15 | 13 | 15 | 16 | 14 | 15 | 13 | 15 | 13 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | SE 8 | SE 8 | SSW 11 | SSW 11 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | WSW 14 | WSW 14 | WSW 13 |
| kJ | 433 | 304 | 201 | 446 | 513 | 617 | 607 | 584 | 573 | 546 | 305 | 465 | 394 | 335 | 323 | 220 | 659 | 585 | 595 |
Swell 2 Height (m) Direction Period (s) | SSW 11 | SSW 11 | SSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | SSW 11 | WSW 11 | WSW 11 | WSW 16 | WSW 11 | WSW 14 | S 10 | S 10 | S 10 |
| kJ | 263 | 320 | 397 | 322 | 274 | 265 | 256 | 229 | 221 | 180 | 186 | 126 | 135 | 280 | 121 | 352 | 214 | 206 | 133 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | WSW 12 | WSW 12 | SE 8 | SE 8 | SE 8 | SE 9 | SE 8 | SE 8 | WSW 16 | WSW 11 | WSW 15 | WSW 15 | WSW 11 | WSW 16 | WSW 11 | SSE 14 | SSE 14 | SSE 13 |
| kJ | 411 | 359 | 333 | 138 | 109 | 77 | 62 | 28 | 24 | 53 | 126 | 146 | 199 | 121 | 198 | 119 | 63 | 64 | 137 |
Wind waves Height (m) Direction Period (s) | SE 8 | ESE 8 | SE 8 | — | — | — | — | WNW 3 | WNW 2 | — | — | — | — | — | — | — | — | — | — |
| kJ | 393 | 765 | 450 | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 12 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 5 | 1 | 1 | 1 | 1 | 1 | 0 | 3 | 5 | 0 | 25 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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