Surf Forecasts:
How big are the waves at Extensions today (11 Nov):
- Morning surf: Morning surf (11 Nov, local time) - 3.5ft (1.1m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (11 Nov, local time) - 8ft (2.4m), 13s period with SW swell.
- Evening surf: Evening surf (11 Nov, local time) - 8ft (2.5m), 12s period with WSW swell.
The current surf forecast for Extensions at 9PM is: 2.5m 12s primary swell from a West-southwest direction and 0.1m 11s secondary swell from a Northwest direction (forecast issued at 01:00pm November 11). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Nov) | 3.5ft (1.1m) | 14s |
| Afternoon (11 Nov) | 8ft (2.4m) | 13s |
| Evening (11 Nov) | 8ft (2.5m) | 12s |
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 (light winds from the SW on Wed afternoon, strong winds from the SE by Sat morning). | |||||||||||||||||||||||
Wed 11 | Thursday 12 | Friday 13 | Sat 14 | ||||||||||||||||||||
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 14 | SW 13 | SW 13 | WSW 12 | WSW 12 | WSW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | SW 10 | SW 10 | SW 10 | WSW 10 | SW 9 | SW 12 | SW 12 | SW 13 | SW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1184 | 1659 | 2046 | 1875 | 1694 | 1510 | 1521 | 1138 | 993 | 830 | 650 | 638 | 595 | 550 | 570 | 500 | 281 | 250 | 266 | 540 | 1319 | 1600 | 2073 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:04PM1.41m | 4:30AM1.35m | 4:37PM1.34m | 5:05AM1.29m | 5:10PM1.25m | ||||||||||||||||||
Low Tide | 10:01AM0.27m | 10:20PM0.20m | 10:33AM0.32m | 10:51PM0.27m | 11:07AM0.40m | 11:25PM0.34m | |||||||||||||||||
 | |  |  | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 |
 | — | — | 7:22 | — | — | — | — | — | — | — | 7:23 | — | — | — | — | — | — | — | 7:24 | — | — | — | 7:25 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 19 | 18 | 17 | 16 | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 16 |
Feels °C | 15 | 15 | 17 | 16 | 13 | 11 | 11 | 12 | 12 | 11 | 10 | 11 | 11 | 11 | 12 | 12 | 13 | 12 | 11 | 12 | 9 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 13 | SW 13 | WSW 12 | WSW 12 | WSW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | SW 10 | SW 10 | SW 10 | WSW 10 | SW 9 | SW 9 | SW 12 | SW 13 | SW 14 |
| kJ | 1184 | 1659 | 2046 | 1875 | 1694 | 1510 | 1521 | 1138 | 993 | 830 | 650 | 638 | 595 | 550 | 570 | 500 | 281 | 250 | 266 | 351 | 1319 | 1600 | 2073 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 10 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | SW 20 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 17 | W 10 | SSW 12 | W 10 | SW 12 | W 10 | W 10 | W 10 |
| kJ | 188 | 100 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 174 | 99 | 161 | 540 | 96 | 72 | 72 |
Swell 3 Height (m) Direction Period (s) | SE 9 | NW 11 | — | — | — | — | — | S 21 | SW 21 | NW 11 | NW 11 | W 11 | W 10 | W 10 | W 10 | — | SSW 12 | SW 16 | SW 12 | W 10 | — | — | — |
| kJ | 3 | 5 | — | — | — | — | — | 9 | 17 | 5 | 4 | 2 | 2 | 2 | 2 | — | 15 | 41 | 216 | 100 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSE 4 | — | SSE 4 | SSE 5 | S 5 | S 5 | S 5 | SSE 5 | SSE 4 | — | — | — | SSW 9 | S 4 | SSE 4 | SSE 4 | SE 5 | SE 5 |
| kJ | — | — | — | — | — | 12 | — | 36 | 47 | 59 | 87 | 71 | 30 | 18 | — | — | — | 203 | 9 | 17 | 40 | 65 | 99 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 3 | 5 | 35 | 26 | 27 | 30 | 30 | 61 | 400 | 937 | 400 | 34 | 34 | 34 | 26 | 12 | 26 | 417 | 337 | 61 | 37 | 37 | 37 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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