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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 22 May 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
16.0° C
(Which is 1.1°C colder than average for this time of year)How big are the waves at Extensions today?
The current surf forecast for Extensions at 9PM is: 1.3m 15s primary swell from a Southwest direction and 0.8m 6s secondary swell from a South direction (forecast issued at 01:00pm May 22). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 2.5ft (0.8m) | 17s |
| Afternoon (22 May) | 3.5ft (1.1m) | 16s |
| Evening (22 May) | 4.5ft (1.3m) | 15s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 17°C on Sat morning, min 16°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Fri 22 | Saturday 23 | Sunday 24 | Mon 25 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 13 | SW 14 | SW 14 | SW 14 | |
504 | 574 | 813 | 733 | 757 | 821 | 799 | 618 | 529 | 629 | 459 | 821 | 1179 | 924 | 947 | 711 | 623 | 711 | 990 | 1945 | 1518 | 2528 | 2717 | 2885 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | on | on | on | cross-on | on | on | glassy | cross-off | cross-off | 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 | 8:23PM1.26m | 8:56AM1.09m | 9:38PM1.25m | 10:19AM1.07m | 10:47PM1.26m | |||||||||||||||||||
Low Tide | 1:52PM0.39m | 2:54AM0.46m | 3:06PM0.45m | 4:17AM0.45m | 4:22PM0.48m | 5:27AM0.41m | ||||||||||||||||||
 |  |  |  | | | | | | | | |  | | |  | | | | |  | | | | |
 | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:37 | — |
 | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | 5:45 |
3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 16 | 17 | 16 | 16 |
13 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 18 | 17 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 13 | 14 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 8 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 13 | SW 14 | SW 14 | SW 14 |
 kJ | 504 | 574 | 813 | 733 | 757 | 821 | 799 | 618 | 529 | 629 | 126 | 821 | 1179 | 924 | 947 | 711 | 623 | 711 | 990 | 1945 | 1518 | 2528 | 2717 | 2885 |
Swell 2 Height (m) Direction Period (s) | SW 10 | SSW 6 | S 6 | S 6 | S 6 | SSW 6 | SSW 6 | SW 9 | SW 9 | SW 8 | SW 14 | SW 8 | SSE 13 | SSE 13 | SSE 12 | SW 17 | SW 16 | SW 16 | SW 16 | SE 11 | SW 15 | SE 11 | SE 11 | SE 11 |
| kJ | 112 | 45 | 41 | 41 | 32 | 31 | 51 | 220 | 235 | 145 | 459 | 123 | 17 | 17 | 15 | 288 | 310 | 314 | 318 | 33 | 674 | 30 | 30 | 30 |
Swell 3 Height (m) Direction Period (s) | SSW 6 | WSW 10 | SW 11 | SSE 10 | SSE 10 | SSE 9 | S 6 | SSE 6 | SW 16 | SSE 6 | SW 11 | SSE 14 | W 11 | W 11 | W 11 | SSE 12 | SSE 12 | SSE 12 | SE 12 | E 11 | SE 11 | E 11 | — | SSE 11 |
| kJ | 25 | 97 | 55 | 9 | 9 | 8 | 17 | 6 | 94 | 3 | 217 | 18 | 2 | 2 | 2 | 15 | 14 | 28 | 35 | 2 | 31 | 2 | — | 23 |
Wind waves Height (m) Direction Period (s) | NW 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 5 | — | — | — | — | — | — | — | ESE 3 | ESE 4 |
| kJ | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | 8 | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 20 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 12 | 12 | 12 | 12 | 12 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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