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Surf Forecasts:
Nine Mile Reef surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 am Friday 22 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
16.4° 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 1PM is: 0.6m 16s primary swell from a Southwest direction and 0.5m 6s secondary swell from a South direction (forecast issued at 07:00am May 22). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 2ft (0.6m) | 17s |
| Afternoon (22 May) | 2.5ft (0.7m) | 16s |
| Evening (22 May) | 2.5ft (0.8m) | 15s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Fri morning. Very mild (max 18°C on Sat afternoon, min 14°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Friday 22 | Saturday 23 | Sunday 24 | Mon 25 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 18 | SW 18 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SSW 15 | SSW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 15 | SW 14 | SW 14 | |
155 | 152 | 179 | 264 | 306 | 291 | 314 | 305 | 297 | 357 | 249 | 241 | 142 | 142 | 459 | 331 | 304 | 205 | 208 | 208 | 210 | 753 | 754 | 885 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | glassy | on | on | on | glassy | glassy | cross-on | cross-on | on | on | on | glassy | glassy | glassy | on | on | on | on | cross-on | cross-on | glassy | |
High Tide | 7:37AM1.18m | 8:23PM1.28m | 8:56AM1.10m | 9:38PM1.26m | 10:19AM1.08m | 10:48PM1.28m | ||||||||||||||||||
Low Tide | 1:52PM0.40m | 2:54AM0.46m | 3:06PM0.46m | 4:18AM0.46m | 4:22PM0.49m | |||||||||||||||||||
 |  |  |  |  |  | | | | | | | |  | | | | | | | | | | | |
 | 7:35 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | 7:37 |
 | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | 5:45 |
— | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 14 | 16 | 16 | 15 | 16 | 15 | 15 | 16 | 17 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 17 | 16 | 16 | 17 |
12 | 12 | 13 | 16 | 16 | 15 | 15 | 14 | 15 | 16 | 16 | 17 | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 17 | 16 | 15 | 15 | 17 | |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 18 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 8 | SW 8 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 15 | SW 14 | SW 14 |
 kJ | 155 | 152 | 179 | 264 | 306 | 291 | 314 | 305 | 297 | 357 | 249 | 241 | 68 | 53 | 459 | 331 | 304 | 205 | 208 | 208 | 210 | 753 | 754 | 885 |
Swell 2 Height (m) Direction Period (s) | SW 11 | SW 11 | SSW 10 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | SW 8 | SW 8 | SW 12 | SW 12 | SSE 5 | SSW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SSE 11 | SSE 11 | SSE 11 |
| kJ | 43 | 43 | 35 | 15 | 24 | 33 | 24 | 16 | 15 | 10 | 86 | 82 | 116 | 114 | 3 | 34 | 78 | 140 | 132 | 129 | 203 | 12 | 12 | 12 |
Swell 3 Height (m) Direction Period (s) | S 6 | S 11 | SW 11 | SW 11 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | SSE 6 | SSE 6 | SSW 15 | SSW 15 | SSE 13 | SSE 13 | SSE 12 | S 5 | SSE 12 | SSE 12 | SSE 12 | — | SSE 11 | — |
| kJ | 11 | 20 | 42 | 42 | 8 | 7 | 7 | 7 | 7 | 2 | 7 | 3 | 142 | 142 | 17 | 16 | 15 | 2 | 14 | 14 | 13 | — | 47 | — |
Wind waves Height (m) Direction Period (s) | NW 3 | — | WNW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 2 | SSE 3 | SE 3 | — |
| kJ | 7 | — | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 19 | 10 | 10 | 0 | 0 | 10 | 16 | 22 | 22 | 16 | 0 | 0 | 0 | 12 | 12 | 22 | 22 | 16 | 16 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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