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Extensions Surf Forecast
/ Cape Town (70 surf breaks) /
Surf Forecasts:
Extensions surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 1 pm Friday 24 Apr 2026 SASTForecast update in hr min s Forecast update imminent
Extensions surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Extensions sea temperature is
18.4° C
(Which is slightly warmer than usual)How big are the waves at Extensions today?
The current surf forecast for Extensions at 9PM is: 0.8m 11s primary swell from a South-southwest direction (forecast issued at 01:00pm April 24). An open ocean swell of 0.6m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Apr) | 4.5ft (1.3m) | 12s |
| Afternoon (24 Apr) | 4ft (1.2m) | 11s |
| Evening (24 Apr) | 2.5ft (0.8m) | 11s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 24mm), heaviest during Sun afternoon. Warm (max 21°C on Fri night, min 14°C on Sun afternoon). Winds increasing (light winds from the S on Fri night, strong winds from the WSW by Sun night). | ||||||||||||||||||||||||
Fri 24 | Saturday 25 | Sunday 26 | Mon 27 | |||||||||||||||||||||
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 | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 12 | S 11 | S 11 | SSW 11 | SSW 11 | SW 12 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | W 9 | WSW 8 | W 8 | WSW 8 | WSW 9 | SW 11 | SW 11 | WSW 11 | |
349 | 364 | 291 | 193 | 101 | 164 | 205 | 202 | 169 | 196 | 192 | 182 | 157 | 154 | 105 | 113 | 542 | 561 | 496 | 764 | 1399 | 3415 | 4068 | 2288 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | on | on | on | on | on | cross-on | cross-on | cross-on | |
High Tide | 9:22AM1.06m | 10:21PM1.16m | 11:03AM1.08m | 11:38PM1.25m | 12:12PM1.16m | 00:31AM1.34m | ||||||||||||||||||
Low Tide | 3:47PM0.50m | 4:58AM0.50m | 5:15PM0.47m | 6:10AM0.40m | 6:17PM0.40m | 6:59AM0.30m | ||||||||||||||||||
 | | |  | | | | | | | | | | |  |  |  |  |  |  |  | |  | | |
 | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — |
 | — | — | 6:12 | — | — | — | — | — | — | — | 6:10 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | 6:08 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 10 | 4 | 2 | 2 | 1 | — | — | |
Temp °C | 19 | 20 | 20 | 21 | 20 | 20 | 20 | 18 | 19 | 19 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 15 | 15 | 15 | 14 | 15 | 15 |
16 | 18 | 18 | 18 | 18 | 19 | 17 | 15 | 16 | 15 | 15 | 14 | 14 | 12 | 11 | 9 | 10 | 7 | 9 | 7 | 6 | 5 | 6 | 8 | |
Swell 1 Height (m) Direction Period (s) | SSW 12 | S 11 | S 11 | SSW 11 | SSW 11 | SW 12 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 6 | SW 15 | SW 15 | SW 14 | WSW 14 | SW 13 | NW 12 | SW 11 | WSW 11 |
 kJ | 349 | 364 | 291 | 193 | 101 | 164 | 205 | 202 | 169 | 196 | 192 | 182 | 157 | 154 | 105 | 70 | 76 | 76 | 74 | 125 | 400 | 6 | 3665 | 2288 |
Swell 2 Height (m) Direction Period (s) | SE 7 | S 11 | NW 15 | SSE 10 | SSE 10 | S 10 | SSE 9 | SSE 9 | SSE 9 | SE 9 | SSE 9 | SSE 7 | WSW 16 | WSW 5 | WSW 5 | WSW 9 | SSE 15 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | NW 12 | — | SSW 11 |
| kJ | 37 | 22 | 8 | 86 | 54 | 49 | 28 | 26 | 30 | 20 | 15 | 5 | 26 | 17 | 37 | 113 | 23 | 22 | 21 | 20 | 19 | 6 | — | 1244 |
Swell 3 Height (m) Direction Period (s) | NW 15 | NW 15 | W 9 | NW 15 | SW 12 | SSW 11 | SE 8 | ESE 10 | NW 13 | NW 13 | NW 13 | SW 18 | SSE 7 | SW 16 | SSW 12 | SW 15 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | — | — | — |
| kJ | 8 | 8 | 2 | 8 | 92 | 38 | 2 | 10 | 7 | 7 | 7 | 12 | 5 | 41 | 14 | 58 | 6 | 6 | 6 | 6 | 6 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | N 3 | N 4 | NNW 4 | NW 4 | NW 4 | NW 4 | NW 4 | NNW 4 | NNW 5 | W 9 | WSW 8 | W 8 | WSW 8 | WSW 9 | SW 11 | SW 11 | WSW 11 |
| kJ | — | — | — | — | — | — | — | 2 | 18 | 35 | 17 | 12 | 15 | 15 | 32 | 63 | 542 | 561 | 496 | 764 | 1399 | 3415 | 4068 | 1554 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 35 | 24 | 1 | 1 | 1 | 35 | 35 | 50 | 24 | 30 | 30 | 30 | 30 | 1026 | 187 | 30 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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