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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 7 am Thursday 14 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
17.2° C
(Which is normal for this time of year)How big are the waves at Extensions today?
The current surf forecast for Extensions at 3PM is: 1.9m 11s primary swell from a South-southwest direction and 1.7m 12s secondary swell from a West-southwest direction (forecast issued at 07:00am May 14). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 8ft (2.5m) | 12s |
| Afternoon (14 May) | 6ft (1.9m) | 11s |
| Evening (14 May) | 5ft (1.5m) | 13s |
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 Thu night, min 14°C on Thu morning). Winds increasing (light winds from the WSW on Fri morning, fresh winds from the SE by Sat afternoon). | ||||||||||||||||||||||||
Thursday 14 | Friday 15 | Saturday 16 | Sun 17 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | WSW 13 | SSW 11 | S 15 | S 14 | S 14 | S 14 | S 14 | SW 15 | SW 14 | SW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | |
2155 | 1814 | 1465 | 942 | 754 | 803 | 687 | 830 | 1468 | 2121 | 2522 | 2475 | 3034 | 3148 | 3017 | 2394 | 2084 | 1775 | 1342 | 1173 | 1083 | 943 | 799 | 787 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | 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 | |
High Tide | 1:30PM1.39m | 1:40AM1.60m | 2:14PM1.48m | 2:24AM1.65m | 2:57PM1.53m | |||||||||||||||||||
Low Tide | 7:22AM0.12m | 7:29PM0.21m | 8:05AM0.02m | 8:14PM0.14m | 8:47AM-0.04m | 8:59PM0.10m | ||||||||||||||||||
 |  | | | |  | | | | | | | | | | | | | | | | | | | |
 | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | 7:33 |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | 5:51 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 14 | 16 | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 16 | 15 | 14 | 15 | 16 | 17 | 17 | 16 | 15 |
12 | 12 | 11 | 13 | 12 | 14 | 15 | 16 | 15 | 17 | 16 | 15 | 13 | 14 | 13 | 12 | 11 | 9 | 10 | 11 | 12 | 13 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SW 11 | S 14 | S 14 | S 14 | S 14 | SW 15 | SW 14 | SW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 13 | WSW 13 | WSW 13 | WSW 13 |
 kJ | 2155 | 1814 | 1465 | 942 | 743 | 668 | 687 | 716 | 1468 | 2121 | 2522 | 2475 | 3034 | 3148 | 3017 | 2394 | 2084 | 1775 | 1342 | 1173 | 1083 | 943 | 799 | 787 |
Swell 2 Height (m) Direction Period (s) | WSW 11 | WSW 11 | WSW 11 | WSW 12 | WSW 12 | WSW 13 | WSW 13 | S 15 | SW 10 | SW 11 | SW 11 | SW 12 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 |
| kJ | 828 | 667 | 645 | 767 | 754 | 803 | 514 | 830 | 627 | 647 | 524 | 884 | 2249 | 2008 | 1704 | 1510 | 1487 | 1074 | 797 | 635 | 544 | 469 | 393 | 380 |
Swell 3 Height (m) Direction Period (s) | SW 19 | WSW 19 | SW 18 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | WSW 13 | WSW 12 | WSW 15 | WSW 15 | WSW 15 | — | — | — | — | W 15 | W 15 | W 15 | — | — | — | W 13 | W 13 |
| kJ | 15 | 36 | 81 | 123 | 119 | 232 | 402 | 433 | 413 | 566 | 661 | 953 | — | — | — | — | 4 | 4 | 4 | — | — | — | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NW 3 | — | — | — | — | — | — | — | — | — | — | — | SE 4 | SE 4 | SE 5 | SE 5 | SE 5 | SSE 5 | SSE 5 | SSE 5 |
| kJ | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | 12 | 36 | 56 | 61 | 73 | 80 | 83 | 69 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 12 | 0 | 12 | 12 | 12 | 25 | 25 | 25 | 27 | 27 | 27 | 27 | 27 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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