Surf Forecasts:
How big are the waves at Extensions today (10 Nov):
- Morning surf: Morning surf (10 Nov, local time) - 3.5ft (1.0m), 13s period with WSW swell.
- Afternoon surf: Afternoon surf (10 Nov, local time) - 4.5ft (1.3m), 12s period with WSW swell.
- Evening surf: Evening surf (10 Nov, local time) - 4.5ft (1.4m), 11s period with WSW swell.
The current surf forecast for Extensions at 1AM is: 0.4m 15s primary swell from a West-southwest direction and 0.6m 10s secondary swell from a Southwest direction, 0.6m 9s secondary swell from a South direction (forecast issued at 07:00pm November 09). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Nov) | 3.5ft (1.0m) | 13s |
| Afternoon (10 Nov) | 4.5ft (1.3m) | 12s |
| Evening (10 Nov) | 4.5ft (1.4m) | 11s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Wed afternoon, min 16°C on Wed night). Winds increasing (calm on Tue night, fresh winds from the S by Thu afternoon). | |||||||||||||||||||||
Mon 9 | Tuesday 10 | Wednesday 11 | Thu 12 | ||||||||||||||||||
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 | SW 10 | SW 10 | SW 10 | WSW 14 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | SW 14 | SW 14 | SW 13 | SW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 150 | 100 | 96 | 82 | 207 | 331 | 469 | 493 | 444 | 512 | 460 | 444 | 427 | 476 | 711 | 1430 | 2046 | 1952 | 1694 | 1553 | 1553 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross | cross-on | glassy | on | cross-on | cross-on | on | on | cross-on | cross | cross | cross-off | cross-off |
High Tide | 3:01PM1.50m | 3:27AM1.43m | 3:33PM1.47m | 3:58AM1.40m | 4:04PM1.41m | 4:30AM1.35m | |||||||||||||||
Low Tide | 9:20PM0.10m | 9:29AM0.23m | 9:49PM0.14m | 10:01AM0.27m | 10:20PM0.20m | ||||||||||||||||
 |  | | | | | | | | | | | | | |  | | | | | | |
 | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 |
 | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | 7:23 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 18 | 17 | 16 | 16 |
Feels °C | 17 | 17 | 15 | 15 | 15 | 15 | 16 | 15 | 17 | 17 | 19 | 18 | 17 | 17 | 16 | 15 | 16 | 17 | 14 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 10 | SW 10 | WSW 14 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | SW 14 | SW 13 | SW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 |
| kJ | 150 | 100 | 96 | 79 | 207 | 331 | 469 | 493 | 444 | 512 | 460 | 444 | 427 | 339 | 711 | 1430 | 2046 | 1952 | 1694 | 1553 | 1553 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 9 | S 9 | S 9 | SW 10 | SSE 9 | S 9 | S 9 | S 10 | SSE 10 | SW 16 | SW 15 | SW 15 | SW 14 | W 10 | W 10 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 |
| kJ | 90 | 60 | 58 | 58 | 77 | 46 | 38 | 42 | 51 | 33 | 87 | 115 | 217 | 476 | 231 | 235 | 5 | 5 | 5 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | SW 19 | SSW 13 | WSW 15 | WSW 14 | SW 17 | SW 10 | SSW 11 | SW 16 | SW 16 | SW 16 | SW 4 | SSE 9 | SSE 9 | SW 10 | SW 10 | NW 11 | — | — | — | — | — |
| kJ | 15 | 16 | 44 | 82 | 47 | 33 | 12 | 41 | 40 | 40 | 3 | 9 | 8 | 23 | 134 | 5 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 8 | SSE 7 | SSE 4 | S 4 | SSE 9 | SSW 4 | SSW 4 | SW 4 | SW 4 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 44 | 31 | 10 | 9 | 84 | 8 | 6 | 4 | 4 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 12 | 0 | 26 | 12 | 12 | 18 | 0 | 26 | 5 | 5 | 0 | 1 | 1 | 1 | 3 | 5 | 337 | 5 | 26 | 26 | 30 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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