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Surf Forecasts:
Nine Mile Reef surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 1 am Sunday 31 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 normal for this time of year)How big are the waves at Nine Mile Reef today (31 May):
- Morning surf: Morning surf (31 May, local time) - 4ft (1.2m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 3.5ft (1.1m), 12s period with SW swell.
- Evening surf: Evening surf (31 May, local time) - 3ft (0.9m), 12s period with SW swell.
The current surf forecast for Nine Mile Reef at 10AM is: 1.1m 12s primary swell from a Southwest direction and 0.2m 4s secondary swell from a South-southeast direction, 0.5m 4s secondary swell from a Southeast direction (forecast issued at 01:00am May 31). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 4ft (1.2m) | 12s |
| Afternoon (31 May) | 3.5ft (1.1m) | 12s |
| Evening (31 May) | 3ft (0.9m) | 12s |
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 Mon night. Warm (max 21°C on Sun afternoon, min 14°C on Tue night). Winds increasing (calm on Sun morning, fresh winds from the SSE by Tue afternoon). | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 12 | SW 13 | SW 13 | SW 12 | SW 12 | SW 11 | SSW 11 | WSW 10 | S 7 | S 8 | SSE 8 | SSW 13 | |
397 | 451 | 421 | 361 | 309 | 314 | 236 | 228 | 217 | 241 | 273 | 315 | 383 | 529 | 451 | 409 | 343 | 242 | 649 | 185 | 155 | 294 | 345 | 342 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | glassy | glassy | on | on | glassy | glassy | glassy | glassy | glassy | cross-off | cross | cross-off | off | off | on | on | on | on | cross-on | cross-on | cross-on | |
High Tide | 2:56AM1.41m | 3:25PM1.36m | 3:30AM1.40m | 3:59PM1.36m | 4:04AM1.37m | 4:34PM1.34m | ||||||||||||||||||
Low Tide | 9:16AM0.20m | 9:28PM0.32m | 9:48AM0.21m | 10:02PM0.33m | 10:21AM0.24m | 10:37PM0.36m | ||||||||||||||||||
 | |  | | | | | | | |  |  | | |  | | |  | | | | | | | |
 | — | 7:41 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:43 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 16 | 19 | 21 | 18 | 17 | 17 | 17 | 17 | 16 | 18 | 20 | 19 | 17 | 16 | 16 | 15 | 16 | 16 | 16 | 15 | 15 | 14 |
15 | 16 | 15 | 18 | 20 | 17 | 15 | 17 | 17 | 17 | 16 | 18 | 19 | 18 | 17 | 15 | 15 | 12 | 14 | 13 | 11 | 9 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 12 | SW 13 | SW 13 | SW 12 | SW 12 | SW 11 | SSW 11 | S 7 | S 7 | SSW 10 | SSW 10 | SSW 13 |
 kJ | 397 | 451 | 421 | 361 | 309 | 314 | 236 | 228 | 217 | 241 | 273 | 315 | 383 | 529 | 451 | 409 | 343 | 242 | 649 | 159 | 155 | 94 | 94 | 342 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SSE 4 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SSW 15 | S 15 | SSW 13 | SSW 13 | SSW 13 | ESE 7 | SSE 12 | — | SE 8 | WSW 10 | WSW 10 | WSW 10 | SSW 14 | SW 10 |
| kJ | — | — | — | 1 | 6 | 5 | 5 | 5 | 5 | 5 | 21 | 17 | 17 | 17 | 32 | 5 | 15 | — | 2 | 185 | 78 | 83 | 115 | 115 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 9 | — | — | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | — | — | — | — | SSW 11 | SW 11 | SSW 15 | WSW 10 | SW 10 |
| kJ | — | — | — | — | — | — | — | 2 | — | — | 5 | 5 | 5 | 5 | 5 | — | — | — | — | 41 | 123 | 23 | 57 | 113 |
Wind waves Height (m) Direction Period (s) | SSE 4 | ESE 4 | SE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 3 | SSW 5 | — | — | SSE 7 | S 8 | SSE 8 | SSE 7 |
| kJ | 7 | 9 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 72 | — | — | 81 | 294 | 345 | 280 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 12 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 27 | 16 | 16 | 318 | 318 | 56 | 22 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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