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Surf Forecasts:
Nine Mile Reef surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 1 am Monday 25 May 2026 SASTForecast update in hr min s Forecast update imminent
Nine Mile Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nine Mile Reef sea temperature is
16.1° C
(Which is slightly cooler than normal)How big are the waves at Nine Mile Reef today?
The current surf forecast for Nine Mile Reef at 5AM is: 1.6m 14s primary swell from a Southwest direction and 0.2m 11s secondary swell from a South-southeast direction (forecast issued at 01:00am May 25). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 5ft (1.6m) | 14s |
| Afternoon (25 May) | 5.5ft (1.7m) | 14s |
| Evening (25 May) | 5ft (1.6m) | 13s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 21°C on Mon afternoon, min 14°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 25 | Tuesday 26 | Wednesday 27 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 13 | SW 13 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | |
924 | 992 | 1092 | 1163 | 1115 | 961 | 839 | 683 | 609 | 529 | 451 | 437 | 374 | 374 | 746 | 780 | 694 | 839 | 891 | 2872 | 3122 | 3016 | 2694 | 2355 | |
Wind (km/h) | ||||||||||||||||||||||||
on | glassy | glassy | glassy | glassy | cross-on | glassy | glassy | glassy | off | off | cross-off | glassy | on | cross-on | glassy | glassy | glassy | glassy | glassy | cross-off | cross | cross-off | off | |
High Tide | 11:29AM1.11m | 11:44PM1.31m | 12:24PM1.17m | 00:31AM1.34m | 1:07PM1.22m | |||||||||||||||||||
Low Tide | 5:27AM0.42m | 5:28PM0.47m | 6:20AM0.36m | 6:22PM0.45m | 7:03AM0.31m | 7:06PM0.41m | ||||||||||||||||||
 |  |  | | | | | | | | | | | |  | | | | | | |  | | | |
 | — | 7:37 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 17 | 18 | 21 | 18 | 16 | 16 | 15 | 15 | 15 | 17 | 19 | 17 | 16 | 16 | 15 | 15 | 14 | 16 | 18 | 17 | 16 | 15 |
16 | 16 | 17 | 18 | 21 | 17 | 17 | 17 | 16 | 15 | 14 | 17 | 19 | 17 | 17 | 17 | 16 | 16 | 15 | 16 | 16 | 15 | 15 | 13 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 |
 kJ | 924 | 992 | 1092 | 1163 | 1115 | 961 | 839 | 683 | 609 | 529 | 451 | 437 | 374 | 374 | 746 | 780 | 694 | 839 | 618 | 2872 | 3122 | 3016 | 2694 | 2355 |
Swell 2 Height (m) Direction Period (s) | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SE 10 | SE 10 | SE 10 | SW 16 | SW 16 | S 9 | SW 22 | — | — | SW 18 | — | — | — | — | — |
| kJ | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 4 | 4 | 4 | 69 | 159 | 2 | 19 | — | — | 891 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SE 10 | SE 10 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 16 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 12 | 0 | 0 | 0 | 0 | 12 | 18 | 18 | 12 | 12 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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