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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 pm Sunday 31 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
16.9° C
(Which is normal for this time of year)How big are the waves at Extensions today (01 Jun):
- Morning surf: Morning surf (01 Jun, local time) - 6ft (1.8m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (01 Jun, local time) - 6ft (1.9m), 12s period with WSW swell.
- Evening surf: Evening surf (01 Jun, local time) - 7ft (2.1m), 12s period with WSW swell.
The current surf forecast for Extensions at 2AM is: 1.6m 11s primary swell from a Southwest direction (forecast issued at 07:00pm May 31). An open ocean swell of 0.1m 7s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Jun) | 6ft (1.8m) | 11s |
| Afternoon (01 Jun) | 6ft (1.9m) | 12s |
| Evening (01 Jun) | 7ft (2.1m) | 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 3mm), mostly falling on Mon night. Very mild (max 17°C on Sun night, min 14°C on Wed morning). Winds increasing (calm on Sun night, gales from the SE by Wed morning). | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | SW 11 | SW 11 | SW 10 | SW 10 | S 8 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | |
734 | 671 | 637 | 604 | 650 | 702 | 771 | 926 | 1182 | 1290 | 1288 | 1182 | 1567 | 1456 | 1535 | 1313 | 529 | 437 | 1127 | 1288 | 1269 | 1211 | 940 | 850 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | glassy | glassy | cross-on | on | on | on | on | cross-on | on | 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 | 3:25PM1.35m | 3:30AM1.38m | 3:59PM1.34m | 4:04AM1.36m | 4:34PM1.33m | 4:39AM1.32m | ||||||||||||||||||
Low Tide | 9:28PM0.31m | 9:49AM0.21m | 10:02PM0.33m | 10:21AM0.23m | 10:37PM0.36m | 10:55AM0.26m | ||||||||||||||||||
 |  | | | |  |  | | |  | |  |  | | | | | | | | | | |  | |
 | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:43 | — | — | — |
 | 5:44 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | 5:43 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 |
16 | 16 | 16 | 16 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 16 | 10 | 10 | 9 | 8 | 6 | 6 | 5 | 6 | 6 | 3 | 2 | 3 | |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | SW 11 | SW 11 | SW 10 | SW 10 | W 10 | W 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 |
 kJ | 734 | 671 | 637 | 604 | 650 | 702 | 771 | 926 | 1182 | 1290 | 1288 | 1182 | 1567 | 1456 | 1535 | 1313 | 487 | 345 | 1127 | 1288 | 1269 | 1211 | 940 | 850 |
Swell 2 Height (m) Direction Period (s) | W 12 | NW 12 | SE 7 | SE 7 | W 10 | NW 12 | S 15 | SSW 13 | S 13 | SSW 13 | S 12 | S 12 | NW 11 | SSW 10 | NW 11 | SSW 15 | SW 10 | SW 14 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 |
| kJ | 3 | 6 | 2 | 2 | 18 | 6 | 17 | 35 | 31 | 33 | 12 | 12 | 5 | 141 | 5 | 23 | 239 | 437 | 284 | 235 | 188 | 116 | 82 | 55 |
Swell 3 Height (m) Direction Period (s) | W 12 | S 10 | NW 12 | NW 12 | NW 12 | ESE 7 | NW 12 | W 12 | W 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | — | NW 11 | SW 15 | SW 10 | SW 10 | — | — | — | — | — |
| kJ | 3 | 2 | 6 | 6 | 6 | 5 | 6 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | — | 5 | 109 | 188 | 110 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | ESE 8 | — | — | S 8 | S 8 | S 8 | SSE 7 | SSE 7 | SSE 8 | SSE 7 | SSE 8 | SE 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 6 | — | — | 488 | 529 | 588 | 498 | 522 | 551 | 701 | 1303 | 1388 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 1 | 3 | 3 | 1 | 1 | 42 | 48 | 48 | 1084 | 417 | 61 | 41 | 41 | 41 | 224 | 226 | 226 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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