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Derde Steen Surf Forecast
/ Cape Town (70 surf breaks) /
Surf Forecasts:
Derde Steen surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 pm Friday 15 May 2026 SASTForecast update in hr min s Forecast update imminent
Derde Steen surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Derde Steen sea temperature is
15.5° C
(Which is 1.6°C colder than average for this time of year)How big are the waves at Derde Steen today?
The current surf forecast for Derde Steen at 1AM is: 2.5m 14s primary swell from a Southwest direction and 1.9m 13s secondary swell from a South direction (forecast issued at 07:00pm May 15). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 7ft (2.2m) | 13s |
| Afternoon (16 May) | 6ft (1.9m) | 12s |
| Evening (16 May) | 5.5ft (1.7m) | 13s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 21°C on Sat afternoon, min 15°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSW 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | |
1901 | 2590 | 2483 | 2243 | 1859 | 1673 | 1342 | 1154 | 1016 | 928 | 799 | 700 | 659 | 648 | 462 | 799 | 841 | 805 | 793 | 837 | 850 | 902 | 1042 | 1028 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross-off | cross | cross-off | cross-off | cross | |
High Tide | 2:14PM1.48m | 2:23AM1.65m | 2:57PM1.53m | 3:08AM1.66m | 3:42PM1.54m | 3:55AM1.62m | ||||||||||||||||||
Low Tide | 8:13PM0.14m | 8:46AM-0.04m | 8:59PM0.10m | 9:30AM-0.05m | 9:45PM0.10m | 10:15AM-0.00m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | |  | | |  | | |
 | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — |
 | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | 5:52 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 17 | 16 | 16 | 15 | 15 | 17 | 20 | 21 | 19 | 18 | 18 | 16 | 15 | 17 | 19 | 18 | 16 | 16 | 16 | 15 | 15 | 18 | 20 |
15 | 15 | 14 | 14 | 14 | 14 | 16 | 19 | 19 | 17 | 17 | 17 | 15 | 13 | 15 | 16 | 15 | 13 | 14 | 14 | 14 | 14 | 15 | 17 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 |
 kJ | 1901 | 2590 | 2483 | 2243 | 1859 | 1673 | 1342 | 1154 | 1016 | 928 | 799 | 700 | 659 | 648 | 462 | 799 | 841 | 805 | 793 | 837 | 850 | 902 | 1042 | 1028 |
Swell 2 Height (m) Direction Period (s) | SW 12 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | — | — | — | S 10 | S 10 | S 10 | S 10 | S 10 |
| kJ | 710 | 1894 | 1440 | 1247 | 1104 | 971 | 826 | 649 | 547 | 547 | 535 | 325 | 242 | 189 | 185 | 185 | — | — | — | 71 | 71 | 49 | 50 | 32 |
Swell 3 Height (m) Direction Period (s) | WSW 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 15 | — | — | — | — | — | — | — | — | — |
| kJ | 1014 | — | — | — | — | — | — | — | — | — | — | — | — | — | 193 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | S 6 | S 6 | S 5 | S 5 | S 5 | S 11 | S 5 | S 5 | S 6 | S 6 | S 6 | S 6 | S 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 41 | 39 | 31 | 36 | 44 | 451 | 117 | 110 | 103 | 108 | 156 | 124 | 96 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 37 | 126 | 17 | 3 | 3 | 1 | 0 | 3 | 3 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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