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Surf Forecasts:
Nine Mile Reef surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 1 am Saturday 16 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
17.0° C
(Which is normal for this time of year)How big are the waves at Nine Mile Reef today?
The current surf forecast for Nine Mile Reef at 5AM is: 1.7m 13s primary swell from a South direction and 1.4m 13s secondary swell from a Southwest direction (forecast issued at 01:00am May 16). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 5ft (1.6m) | 13s |
| Afternoon (16 May) | 5ft (1.5m) | 12s |
| Evening (16 May) | 4.5ft (1.3m) | 12s |
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. Very mild (max 19°C on Sat afternoon, min 14°C on Sat morning). Winds increasing (light winds from the SSE on Sat morning, fresh winds from the SE by Mon night). | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | WSW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SSE 8 | |
1107 | 972 | 943 | 797 | 638 | 628 | 400 | 464 | 383 | 344 | 284 | 185 | 272 | 228 | 218 | 212 | 205 | 299 | 331 | 398 | 387 | 345 | 242 | 392 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 2:24AM1.67m | 2:57PM1.54m | 3:09AM1.68m | 3:42PM1.55m | 3:55AM1.64m | 4:28PM1.53m | ||||||||||||||||||
Low Tide | 8:47AM-0.03m | 8:59PM0.11m | 9:31AM-0.04m | 9:45PM0.10m | 10:16AM0.00m | 10:34PM0.15m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | |  | | |  |  | |
 | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:50 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 15 | 14 | 17 | 19 | 19 | 19 | 18 | 17 | 16 | 15 | 17 | 18 | 17 | 16 | 16 | 16 | 15 | 15 | 18 | 19 | 18 | 17 | 17 |
15 | 14 | 12 | 16 | 18 | 18 | 19 | 17 | 16 | 15 | 13 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 14 | 15 | 14 | 13 | 13 | |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | SW 14 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 |
 kJ | 1107 | 972 | 943 | 797 | 638 | 628 | 400 | 464 | 383 | 344 | 284 | 185 | 185 | 184 | 218 | 212 | 205 | 299 | 331 | 398 | 387 | 345 | 242 | 231 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 10 | SW 14 | SW 14 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 13 | S 11 | SSE 12 | SSE 12 |
| kJ | 852 | 683 | 553 | 437 | 335 | 346 | 150 | 282 | 202 | 199 | 134 | 46 | 241 | 228 | 138 | 130 | 73 | 49 | 50 | 31 | 55 | 20 | 48 | 28 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 14 | — | — | — | SW 10 | SW 12 | WSW 15 | — | S 13 | SW 16 | SW 16 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | S 12 | S 18 |
| kJ | — | — | — | — | — | — | 114 | — | — | — | 45 | 72 | 272 | — | 85 | 10 | 90 | 59 | 55 | 55 | 55 | 31 | 73 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | ESE 4 | SE 4 | SE 4 | SSE 5 | SE 5 | SE 4 | SE 4 | SE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 6 | SSE 5 | SSE 5 | SSE 5 | SSE 6 | SSE 6 | SSE 8 |
| kJ | — | — | — | 16 | 28 | 40 | 28 | 35 | 23 | 20 | 16 | 12 | 16 | 28 | 29 | 31 | 26 | 58 | 56 | 64 | 99 | 154 | 220 | 392 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 16 | 12 | 12 | 12 | 16 | 16 | 12 | 12 | 12 | 12 | 16 | 16 | 29 | 256 | 22 | 22 | 16 | 22 | 22 | 31 | 36 | 36 | 36 | 36 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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