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Dunes Surf Forecast
/ Cape Town (70 surf breaks) /
Surf Forecasts:
Dunes surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 1 pm Sunday 31 May 2026 SASTForecast update in hr min s Forecast update imminent
Dunes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dunes sea temperature is
16.7° C
(Which is normal for this time of year)How big are the waves at Dunes today (31 May):
- Morning surf: Morning surf (31 May, local time) - 6ft (1.8m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 5.5ft (1.7m), 12s period with SW swell.
- Evening surf: Evening surf (31 May, local time) - 5ft (1.6m), 12s period with SW swell.
The current surf forecast for Dunes at 7PM is: 1.6m 12s primary swell from a Southwest direction and 0.1m 12s secondary swell from a Northwest direction (forecast issued at 01:00pm May 31). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 6ft (1.8m) | 12s |
| Afternoon (31 May) | 5.5ft (1.7m) | 12s |
| Evening (31 May) | 5ft (1.6m) | 12s |
Table - waves today at Dunes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon night. Very mild (max 18°C on Sun afternoon, min 15°C on Mon night). Winds increasing (calm on Mon morning, near gales from the SE by Wed morning). | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 11 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | SW 10 | WSW 11 | W 11 | S 8 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | |
798 | 765 | 734 | 671 | 637 | 604 | 604 | 702 | 771 | 926 | 1201 | 1311 | 1313 | 1226 | 1527 | 1288 | 1113 | 516 | 494 | 468 | 1144 | 1288 | 1269 | 1112 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | glassy | on | on | on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | |
High Tide | 3:25PM1.34m | 3:30AM1.38m | 3:59PM1.34m | 4:04AM1.35m | 4:34PM1.32m | 4:39AM1.31m | ||||||||||||||||||
Low Tide | 9:16AM0.20m | 9:28PM0.31m | 9:48AM0.21m | 10:02PM0.33m | 10:21AM0.23m | 10:37PM0.36m | ||||||||||||||||||
 | | |  | | | | |  | | |  | |  |  | |  | | | | | | | | |
 | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:43 | — |
 | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | 5:44 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 18 | 17 | 18 | 17 | 17 | 17 | 17 | 17 | 18 | 17 | 17 | 17 | 16 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
16 | 17 | 16 | 17 | 15 | 16 | 17 | 17 | 17 | 18 | 16 | 16 | 16 | 14 | 11 | 13 | 11 | 8 | 7 | 6 | 6 | 6 | 6 | 6 | |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | SW 10 | WSW 11 | W 11 | WSW 10 | W 11 | SW 13 | SW 13 | SW 13 | SW 13 |
 kJ | 798 | 765 | 734 | 671 | 637 | 604 | 604 | 702 | 771 | 926 | 1201 | 1311 | 1313 | 1226 | 1527 | 1288 | 1113 | 516 | 418 | 351 | 1144 | 1288 | 1269 | 1112 |
Swell 2 Height (m) Direction Period (s) | SE 8 | ESE 8 | W 12 | NW 12 | E 7 | SE 7 | W 10 | NW 12 | S 14 | SSW 13 | S 13 | SSW 13 | S 12 | S 12 | SW 13 | SSW 11 | SSW 11 | SSW 11 | SW 10 | SW 14 | W 11 | W 11 | W 11 | W 11 |
| kJ | 3 | 13 | 3 | 6 | 1 | 2 | 18 | 6 | 36 | 35 | 14 | 32 | 12 | 12 | 7 | 84 | 214 | 151 | 157 | 450 | 284 | 235 | 188 | 151 |
Swell 3 Height (m) Direction Period (s) | E 6 | — | 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 | SSW 16 | SW 15 | SW 10 | SW 10 | — | — | — |
| kJ | 1 | — | 3 | 2 | 6 | 6 | 6 | 5 | 6 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 24 | 107 | 188 | 142 | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 4 | — | — | — | — | — | — | — | — | — | — | — | — | SSW 4 | — | — | S 7 | S 8 | S 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 |
| kJ | 5 | — | — | — | — | — | — | — | — | — | — | — | — | 31 | — | — | 279 | 358 | 494 | 468 | 522 | 471 | 611 | 628 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 8 | 8 | 1 | 2 | 0 | 23 | 161 | 347 | 47 | 38 | 38 | 78 | 47 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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