Surf Forecasts:
How big are the waves at Extensions today (13 Nov):
- Morning surf: Morning surf (13 Nov, local time) - 5ft (1.5m), 10s period with WSW swell.
- Afternoon surf: Afternoon surf (13 Nov, local time) - 4.5ft (1.3m), 9s period with SSW swell.
- Evening surf: Evening surf (13 Nov, local time) - 7.5ft (2.3m), 12s period with SW swell.
The current surf forecast for Extensions at 2PM is: 1.3m 9s primary swell from a South-southwest direction and 1.0m 10s secondary swell from a West direction, 0.4m 3s secondary swell from a South direction (forecast issued at 07:00am November 13). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Nov) | 5ft (1.5m) | 10s |
| Afternoon (13 Nov) | 4.5ft (1.3m) | 9s |
| Evening (13 Nov) | 7.5ft (2.3m) | 12s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Sat night, min 16°C on Fri morning). Winds increasing (light winds from the S on Fri morning, gales from the SE by Sat afternoon). | |||||||||||||||||||||||||
Friday 13 | Saturday 14 | Sunday 15 | Mon 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 | 5 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 10 | WSW 10 | WSW 10 | SSW 9 | SW 9 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||||||
 kJ | 530 | 466 | 457 | 270 | 397 | 1522 | 1476 | 1749 | 2357 | 2903 | 3025 | 2815 | 2774 | 2626 | 2462 | 2135 | 1783 | 1619 | 1374 | 1173 | 974 | 773 | 624 | 555 | 494 |
Wind (km/h) | |||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | 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 | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:10PM1.25m | 5:43AM1.22m | 5:48PM1.16m | 6:28AM1.15m | 6:34PM1.08m | ||||||||||||||||||||
Low Tide | 11:07AM0.40m | 11:25PM0.34m | 11:45AM0.48m | 00:03AM0.42m | 12:32PM0.56m | 00:50AM0.49m | |||||||||||||||||||
 |  | |  | | | | | | | | | | | |  | | | | | | | | | | |
 | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 |
 | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:25 | — | — | — | — | — | — | — | 7:27 | — | — | — | 7:28 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 16 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 |
Feels °C | 13 | 13 | 15 | 13 | 12 | 11 | 9 | 9 | 9 | 8 | 9 | 7 | 6 | 7 | 7 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 10 | WSW 10 | WSW 10 | SSW 9 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 530 | 466 | 457 | 270 | 336 | 1522 | 1476 | 1749 | 2357 | 2903 | 3025 | 2815 | 2774 | 2626 | 2462 | 2135 | 1783 | 1619 | 1374 | 1173 | 974 | 773 | 624 | 555 | 494 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 17 | SSW 12 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | — | — | — | — | — | — | — | — | S 20 | SW 20 | SW 20 | SW 19 |
| kJ | 12 | 12 | 31 | 204 | 161 | 100 | 72 | 72 | 50 | 33 | 31 | 17 | 17 | — | — | — | — | — | — | — | — | 7 | 15 | 15 | 14 |
Swell 3 Height (m) Direction Period (s) | W 10 | W 10 | SW 17 | SSW 12 | W 10 | E 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 2 | 11 | 103 | 161 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SSW 9 | S 3 | SW 9 | SSE 4 | SSE 4 | SE 5 | SE 5 | SE 6 | SE 6 | SSE 6 | SSE 6 | SE 7 | SE 6 | SE 6 | SE 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | SSE 6 | SSE 6 |
| kJ | — | — | 226 | 3 | 397 | 24 | 32 | 54 | 91 | 200 | 228 | 325 | 471 | 490 | 426 | 352 | 307 | 261 | 189 | 143 | 148 | 148 | 169 | 179 | 148 |
Nearest Offshore or Glassy | |||||||||||||||||||||||||
Distance (km) | 26 | 26 | 26 | 454 | 417 | 87 | 37 | 37 | 37 | 41 | 48 | 1018 | 400 | 400 | 41 | 41 | 37 | 37 | 187 | 400 | 400 | 61 | 61 | 37 | 37 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||||
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