Surf Forecasts:
How big are the waves at Extensions today (03 Sep):
- Morning surf: Morning surf (03 Sep, local time) - 6ft (1.8m), 13s period with WSW swell.
- Afternoon surf: Afternoon surf (03 Sep, local time) - 4.5ft (1.3m), 12s period with WSW swell.
- Evening surf: Evening surf (03 Sep, local time) - 3.5ft (1.1m), 12s period with WSW swell.
The current surf forecast for Extensions at 5AM is: 2.0m 13s primary swell from a West-southwest direction and 1.2m 10s secondary swell from a South direction (forecast issued at 01:00am September 03). An open ocean swell of 1.5m 7s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Sep) | 6ft (1.8m) | 13s |
| Afternoon (03 Sep) | 4.5ft (1.3m) | 12s |
| Evening (03 Sep) | 3.5ft (1.1m) | 12s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Thu afternoon. Very mild (max 17°C on Sat afternoon, min 12°C on Fri night). Winds increasing (light winds from the ENE on Thu morning, gales from the SE by Fri afternoon). | ||||||||||||||||||||||||
Thursday 3 | Friday 4 | Saturday 5 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | WSW 13 | S 9 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | SSW 10 | SSW 10 | SW 24 | SW 23 | SW 22 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1700 | 1301 | 1116 | 853 | 1747 | 426 | 380 | 322 | 311 | 252 | 183 | 140 | 95 | 93 | 93 | 91 | 101 | 95 | 90 | 114 | 135 | 91 | 264 | 1034 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off |
High Tide | 6:47AM1.20m | 7:10PM1.28m | 7:54AM1.08m | 8:29PM1.15m | 9:45AM1.03m | 10:28PM1.12m | ||||||||||||||||||
Low Tide | 00:39AM0.30m | 12:45PM0.40m | 1:38AM0.42m | 1:54PM0.53m | 3:14AM0.51m | 3:56PM0.59m | ||||||||||||||||||
 |  |  | |  |  | | | | | | | | | | | | | | | | | | | |
 | — | 7:03 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 13 | 13 | 14 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 14 | 17 | 17 | 14 | 14 |
Feels °C | 11 | 12 | 11 | 9 | 2 | 5 | 4 | 2 | 1 | 1 | 3 | 2 | 2 | -1 | 0 | 1 | 0 | -1 | -1 | 2 | 5 | 4 | 1 | 2 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SW 22 |
| kJ | 1700 | 1301 | 1116 | 853 | 510 | 426 | 380 | 322 | 311 | 252 | 183 | 140 | 95 | 93 | 93 | 91 | 101 | 95 | 68 | 114 | 135 | 88 | 65 | 1034 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 10 | S 9 | S 9 | W 16 | WNW 14 | W 12 | WNW 11 | — | — | — | — | S 14 | S 14 | SSW 13 | SSW 13 | SSW 13 | S 13 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | SW 23 | SSW 10 |
| kJ | 131 | 260 | 224 | 298 | 5 | 69 | 80 | 22 | — | — | — | — | 4 | 15 | 35 | 57 | 56 | 52 | 90 | 58 | 39 | 39 | 264 | 85 |
Swell 3 Height (m) Direction Period (s) | — | — | W 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 11 | SSW 11 | — | — | W 26 | SW 24 | WSW 10 | SW 12 |
| kJ | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | 12 | 24 | — | — | 13 | 91 | 38 | 39 |
Wind waves Height (m) Direction Period (s) | SSE 7 | SSE 7 | — | — | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
| kJ | 186 | 204 | — | — | 1747 | 1825 | 1660 | 1797 | 2243 | 2033 | 1795 | 1465 | 1457 | 1452 | 1427 | 1387 | 1422 | 1446 | 1739 | 1485 | 1217 | 1545 | 1783 | 1485 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 12 | 187 | 1003 | 226 | 1003 | 1056 | 1466 | 1347 | 1334 | 3885 | 2737 | 61 | 61 | 51 | 48 | 48 | 37 | 37 | 48 | 48 | 48 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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