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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 1 am Thursday 14 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
15.4° C
(Which is 1.8°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 6AM is: 2.5m 12s primary swell from a South-southwest direction and 1.7m 11s secondary swell from a West-southwest direction (forecast issued at 01:00am May 14). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 7.5ft (2.3m) | 12s |
| Afternoon (14 May) | 6.5ft (2.0m) | 11s |
| Evening (14 May) | 5.5ft (1.7m) | 11s |
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 13°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 14 | Friday 15 | Saturday 16 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | WSW 13 | WSW 13 | SSW 14 | S 14 | SSW 14 | SSW 14 | S 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 13 | |
2241 | 1715 | 1568 | 1319 | 1107 | 787 | 638 | 594 | 534 | 822 | 1298 | 1817 | 1984 | 1922 | 2541 | 2471 | 2098 | 1752 | 1622 | 1278 | 1000 | 871 | 928 | 799 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | glassy | on | glassy | glassy | glassy | glassy | glassy | cross-off | cross | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | |
High Tide | 00:55AM1.50m | 1:30PM1.40m | 1:39AM1.59m | 2:14PM1.48m | 2:23AM1.65m | 2:57PM1.53m | ||||||||||||||||||
Low Tide | 7:21AM0.11m | 7:29PM0.22m | 8:04AM0.02m | 8:13PM0.14m | 8:46AM-0.04m | 8:59PM0.10m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | | | | | |
 | — | 7:28 | — | — | — | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 13 | 13 | 14 | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 16 | 18 | 17 | 16 | 16 | 15 | 15 | 14 | 17 | 21 | 21 | 19 | 19 |
14 | 13 | 12 | 14 | 14 | 15 | 15 | 16 | 16 | 17 | 15 | 16 | 16 | 14 | 14 | 14 | 13 | 14 | 12 | 16 | 19 | 19 | 18 | 18 | |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 14 | S 14 | SSW 14 | SSW 14 | S 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 13 |
 kJ | 2241 | 1715 | 1568 | 1319 | 1107 | 787 | 638 | 521 | 460 | 822 | 1298 | 1817 | 1984 | 1922 | 2541 | 2471 | 2098 | 1752 | 1622 | 1278 | 1000 | 871 | 928 | 799 |
Swell 2 Height (m) Direction Period (s) | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 12 | WSW 11 | WSW 13 | WSW 13 | SSW 10 | SW 11 | SW 11 | WSW 15 | SW 12 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 |
| kJ | 681 | 800 | 667 | 593 | 515 | 737 | 373 | 594 | 534 | 367 | 453 | 303 | 929 | 628 | 1731 | 1465 | 1121 | 1228 | 1077 | 726 | 649 | 547 | 544 | 333 |
Swell 3 Height (m) Direction Period (s) | W 20 | SW 19 | WSW 19 | WSW 18 | SW 18 | SW 18 | WSW 13 | WSW 16 | SSW 14 | WSW 12 | WSW 15 | WSW 15 | SW 11 | WSW 15 | — | — | — | — | — | S 6 | — | — | — | — |
| kJ | 8 | 15 | 37 | 61 | 80 | 81 | 204 | 291 | 336 | 393 | 439 | 525 | 332 | 1014 | — | — | — | — | — | 45 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 4 | — | SSE 5 | SSE 5 | — | SSE 5 | SSE 5 | S 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | — | 49 | 50 | — | 39 | 51 | 55 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 42 | 10 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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