- Forecast
- Maps
- Live
- Weather State
- Spot Information
Dias Beach Surf Forecast
/ Cape Town (70 surf breaks) /
Surf Forecasts:
Dias Beach surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 am Monday 18 May 2026 SASTForecast update in hr min s Forecast update imminent
Dias Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dias Beach sea temperature is
16.6° C
(Which is slightly cooler than normal)How big are the waves at Dias Beach today?
The current surf forecast for Dias Beach at 11AM is: 1.7m 14s primary swell from a West-southwest direction and 0.5m 13s secondary swell from a South-southeast direction, 1.7m 6s secondary swell from a Southeast direction (forecast issued at 07:00am May 18). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 5.5ft (1.7m) | 14s |
| Afternoon (18 May) | 5ft (1.6m) | 14s |
| Evening (18 May) | 10ft (3.0m) | 7s |
Table - waves today at Dias Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 20°C on Wed afternoon, min 16°C on Mon morning). Winds decreasing (near gales from the ESE on Mon night, light winds from the N by Wed night). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | |
1018 | 1053 | 1244 | 969 | 975 | 888 | 1178 | 1550 | 1829 | 1871 | 1493 | 1081 | 1107 | 2112 | 2476 | 2039 | 1777 | 1463 | 1463 | 1044 | 760 | 916 | 747 | 475 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross | cross | |
High Tide | 4:28PM1.51m | 4:43AM1.54m | 5:17PM1.46m | 5:34AM1.43m | 6:11PM1.39m | |||||||||||||||||||
Low Tide | 10:16AM-0.00m | 10:34PM0.14m | 11:03AM0.08m | 11:26PM0.22m | 11:53AM0.18m | 00:24AM0.31m | ||||||||||||||||||
 |  |  | | |  |  | | | | | | | | | | | | | |  | | | | |
 | 7:33 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | 7:35 |
 | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:49 | — | — | 5:47 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 17 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 19 | 18 | 16 | 17 | 17 | 17 | 17 | 17 | 19 | 20 | 20 | 19 | 18 |
10 | 10 | 10 | 10 | 7 | 7 | 7 | 7 | 7 | 8 | 10 | 14 | 10 | 7 | 9 | 12 | 13 | 12 | 13 | 16 | 17 | 19 | 18 | 18 | |
Swell 1 Height (m) Direction Period (s) | WSW 13 | 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 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SSE 11 | SE 11 | WSW 11 | WSW 11 | SE 9 |
 kJ | 1018 | 1053 | 1244 | 969 | 975 | 888 | 772 | 734 | 669 | 659 | 528 | 520 | 414 | 402 | 325 | 260 | 226 | 184 | 180 | 160 | 126 | 82 | 68 | 475 |
Swell 2 Height (m) Direction Period (s) | SSE 14 | SSE 13 | SSE 13 | SW 14 | SSE 12 | — | S 18 | S 16 | SE 16 | SSE 16 | SSE 15 | SE 15 | SSE 14 | SSW 10 | — | S 19 | SSE 12 | SW 16 | SSW 16 | WSW 12 | WSW 12 | SSE 12 | SW 14 | SW 14 |
| kJ | 104 | 98 | 96 | 200 | 51 | — | 6 | 5 | 10 | 24 | 44 | 54 | 76 | 9 | — | 7 | 131 | 10 | 25 | 123 | 119 | 94 | 102 | 118 |
Swell 3 Height (m) Direction Period (s) | S 10 | S 10 | SSE 10 | SSW 8 | SSE 12 | — | S 17 | — | — | — | — | SSW 10 | SSW 10 | SW 10 | — | — | — | SW 16 | SSW 16 | SW 15 | SW 15 | SW 15 | WSW 11 | WSW 11 |
| kJ | 48 | 48 | 37 | 56 | 85 | — | 6 | — | — | — | — | 20 | 19 | 4 | — | — | — | 10 | 25 | 36 | 55 | 75 | 47 | 47 |
Wind waves Height (m) Direction Period (s) | SE 5 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 9 | SE 9 | — |
| kJ | 117 | 145 | 178 | 249 | 613 | 855 | 1178 | 1550 | 1829 | 1871 | 1493 | 1081 | 1107 | 2112 | 2476 | 2039 | 1777 | 1463 | 1463 | 1044 | 760 | 916 | 747 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 35 | 30 | 35 | 35 | 49 | 49 | 49 | 49 | 49 | 39 | 39 | 39 | 35 | 29 | 32 | 49 | 35 | 29 | 20 | 20 | 28 | 15 | 15 | 15 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Dias Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest