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Dumps Surf Forecast
/ Cape Town (70 surf breaks) /
Surf Forecasts:
Dumps surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 1 am Sunday 17 May 2026 SASTForecast update in hr min s Forecast update imminent
Dumps surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dumps sea temperature is
15.8° C
(Which is 1.3°C colder than average for this time of year)How big are the waves at Dumps today?
The current surf forecast for Dumps at 9AM is: 1.3m 13s primary swell from a West-southwest direction and 1.0m 11s secondary swell from a South direction (forecast issued at 01:00am May 17). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 4.5ft (1.3m) | 13s |
| Afternoon (17 May) | 4.5ft (1.4m) | 14s |
| Evening (17 May) | 5ft (1.6m) | 13s |
Table - waves today at Dumps. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 20°C on Mon afternoon, min 15°C on Sun morning). Mainly fresh winds. | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | |
787 | 659 | 648 | 433 | 799 | 829 | 805 | 837 | 837 | 863 | 915 | 1042 | 1028 | 929 | 796 | 640 | 649 | 659 | 536 | 528 | 451 | 451 | 402 | 325 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | 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 | 3:15AM1.89m | 3:47PM1.79m | 4:00AM1.85m | 4:33PM1.77m | 4:47AM1.77m | 5:22PM1.72m | ||||||||||||||||||
Low Tide | 9:34AM0.21m | 9:49PM0.35m | 10:18AM0.24m | 10:37PM0.40m | 11:04AM0.32m | |||||||||||||||||||
 | |  | | | | |  | | | |  | | |  | | | |  | | | | | | |
 | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:51 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 16 | 15 | 17 | 18 | 17 | 16 | 16 | 15 | 15 | 15 | 17 | 20 | 19 | 18 | 17 | 17 | 17 | 17 | 18 | 19 | 19 | 18 | 17 |
16 | 15 | 14 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 16 | 16 | 15 | 14 | 12 | 13 | 13 | 15 | 17 | 17 | 16 | 15 | |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 |
 kJ | 787 | 659 | 648 | 433 | 799 | 829 | 805 | 837 | 837 | 863 | 915 | 1042 | 1028 | 929 | 796 | 640 | 649 | 659 | 536 | 528 | 451 | 451 | 402 | 325 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | SSE 13 | S 13 | SSE 13 | SSE 13 | SW 16 | — | SSW 15 | — | — | S 18 | — | — | — | — | — | SSE 14 | SSE 14 | — |
| kJ | 449 | 403 | 233 | 229 | 185 | 184 | 59 | 87 | 57 | 58 | 69 | — | 144 | — | — | 6 | — | — | — | — | — | 20 | 18 | — |
Swell 3 Height (m) Direction Period (s) | W 13 | W 13 | W 13 | WSW 15 | — | — | — | S 14 | S 14 | S 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 3 | 3 | 193 | — | — | — | 58 | 59 | 59 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSE 4 | SSE 4 | SSE 4 | SSE 5 | S 11 | SSE 5 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | — | 23 | 24 | 32 | 56 | 525 | 128 | 167 | 154 | 141 | 193 | 206 | 237 | 461 | 768 | 962 | 1000 | 1051 | 1151 | 1081 | 919 | 705 | 588 | 634 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 9 | 139 | 10 | 9 | 9 | 0 | 0 | 4 | 9 | 10 | 10 | 10 | 10 | 140 | 139 | 139 | 10 | 9 | 9 | 9 | 9 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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