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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 Saturday 30 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
16.8° C
(Which is normal for this time of year)How big are the waves at Extensions today (30 May):
- Morning surf: Morning surf (30 May, local time) - 7ft (2.2m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 6ft (1.8m), 12s period with SW swell.
- Evening surf: Evening surf (30 May, local time) - 5ft (1.6m), 12s period with SW swell.
The current surf forecast for Extensions at 8PM is: 1.6m 12s primary swell from a Southwest direction (forecast issued at 01:00pm May 30). An open ocean swell of 0.9m 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 (30 May) | 7ft (2.2m) | 12s |
| Afternoon (30 May) | 6ft (1.8m) | 12s |
| Evening (30 May) | 5ft (1.6m) | 12s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Mon night. Very mild (max 17°C on Sun morning, min 15°C on Sat afternoon). Winds increasing (calm on Mon morning, fresh winds from the SSE by Tue morning). | ||||||||||||||||||||||||
Sat 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
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 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 12 | WSW 13 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | |
1163 | 1059 | 813 | 736 | 761 | 899 | 939 | 855 | 739 | 710 | 734 | 671 | 637 | 604 | 604 | 702 | 860 | 1154 | 1581 | 1381 | 1425 | 1287 | 1386 | 1101 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross | cross-off | cross-off | glassy | glassy | glassy | glassy | on | on | on | on | cross-on | cross | cross-off | |
High Tide | 2:52PM1.33m | 2:56AM1.39m | 3:25PM1.35m | 3:30AM1.38m | 3:59PM1.34m | 4:04AM1.36m | ||||||||||||||||||
Low Tide | 8:44AM0.20m | 8:54PM0.32m | 9:16AM0.20m | 9:28PM0.31m | 9:49AM0.21m | 10:02PM0.33m | ||||||||||||||||||
 | | |  | | | | | | | | | | |  |  |  | | | |  | |  |  | |
 | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:43 | — |
 | — | — | 5:44 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | 5:44 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | |
Temp °C | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 |
12 | 11 | 10 | 10 | 10 | 11 | 13 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 15 | 14 | 15 | 17 | 12 | 10 | |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 12 | WSW 13 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 |
 kJ | 1163 | 1059 | 813 | 736 | 761 | 899 | 939 | 855 | 739 | 710 | 734 | 671 | 637 | 604 | 604 | 702 | 860 | 1154 | 1581 | 1381 | 1425 | 1287 | 1386 | 1101 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SE 4 | SE 4 | W 12 | NW 12 | SE 7 | SE 7 | W 10 | NW 12 | S 14 | S 13 | S 13 | SSW 13 | S 12 | S 12 | NW 11 | SW 13 |
| kJ | — | — | — | — | — | — | — | — | 9 | 4 | 3 | 6 | 2 | 2 | 18 | 6 | 36 | 31 | 14 | 33 | 12 | 11 | 5 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | ESE 8 | ESE 8 | S 10 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | SSW 13 | ESE 7 | NW 11 | NW 11 | NW 11 | NW 11 |
| kJ | — | — | — | — | — | — | — | — | — | 6 | 6 | 2 | 6 | 6 | 6 | 6 | 6 | 6 | 17 | 10 | 5 | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | SSE 4 | SE 6 | SE 4 | SE 4 | SE 5 | SE 5 | SE 5 | SE 4 | ESE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 8 |
| kJ | 8 | 15 | 15 | 29 | 47 | 41 | 25 | 16 | 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 238 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 27 | 27 | 27 | 27 | 12 | 12 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 5 | 3 | 1 | 26 | 48 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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