Surf Forecasts:
How big are the waves at Nine Mile Reef today (14 Sep):
- Morning surf: Morning surf (14 Sep, local time) - 2.5ft (0.8m), 12s period with SSW swell.
- Afternoon surf: Afternoon surf (14 Sep, local time) - 2.5ft (0.7m), 12s period with SW swell.
- Evening surf: Evening surf (14 Sep, local time) - 2ft (0.6m), 12s period with SW swell.
The current surf forecast for Nine Mile Reef at 8AM is: 0.9m 12s primary swell from a Southwest direction and 0.5m 12s secondary swell from a Southeast direction (forecast issued at 01:00am September 14). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | 2.5ft (0.8m) | 12s |
| Afternoon (14 Sep) | 2.5ft (0.7m) | 12s |
| Evening (14 Sep) | 2ft (0.6m) | 12s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Tue night. Very mild (max 18°C on Mon afternoon, min 12°C on Tue night). Mainly strong winds. | ||||||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SSW 13 | SSW 13 | SW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SW 18 | SSW 17 | SW 16 | SW 15 | SW 15 | SW 11 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | WSW 13 | SW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 295 | 286 | 227 | 190 | 144 | 142 | 110 | 91 | 88 | 81 | 75 | 80 | 193 | 367 | 605 | 1123 | 487 | 581 | 791 | 526 | 628 | 802 | 811 | 721 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-off | off | off | off | off | off | off | cross-off | cross-off | cross-off | off | off | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:47AM1.46m | 4:59PM1.54m | 5:17AM1.37m | 5:28PM1.42m | 5:48AM1.26m | 5:59PM1.28m | ||||||||||||||||||
Low Tide | 10:48AM0.16m | 11:14PM0.17m | 11:17AM0.27m | 11:43PM0.29m | 11:46AM0.39m | |||||||||||||||||||
 | |  |  | |  |  | | | | | | | | | |  | | |  | | |  | | |
 | — | 6:47 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 9 | 5 | — | — | — | — | — | — |
Temp °C | 15 | 16 | 16 | 17 | 18 | 18 | 16 | 15 | 15 | 15 | 15 | 17 | 18 | 16 | 15 | 13 | 13 | 12 | 13 | 15 | 16 | 15 | 14 | 13 |
Feels °C | 13 | 14 | 13 | 12 | 12 | 13 | 12 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 11 | 12 | 8 | 8 | 8 | 8 | 8 | 8 | 6 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 17 | SW 16 | SW 15 | SW 15 | SW 11 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 295 | 286 | 227 | 190 | 144 | 142 | 110 | 91 | 88 | 81 | 75 | 78 | 193 | 367 | 605 | 1123 | 487 | 581 | 565 | 526 | 628 | 673 | 609 | 721 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | SSE 7 | SE 12 | SE 13 | SE 13 | SE 13 | SSE 13 | WNW 8 | W 8 | SSW 15 | SSW 16 | SW 18 | SW 12 | SE 13 | W 8 | SE 13 | SW 14 | SW 15 | SW 14 | W 13 | WSW 8 | SW 13 | WSW 13 | W 13 |
| kJ | 42 | 26 | 69 | 42 | 42 | 25 | 16 | 11 | 5 | 23 | 25 | 80 | 66 | 7 | 33 | 7 | 466 | 360 | 791 | 1155 | 59 | 802 | 811 | 556 |
Swell 3 Height (m) Direction Period (s) | — | SSE 12 | — | — | — | — | — | SE 13 | SE 13 | W 8 | SE 13 | SE 13 | SE 13 | — | SE 13 | ESE 13 | — | ESE 12 | ESE 12 | ESE 12 | — | — | — | — |
| kJ | — | 14 | — | — | — | — | — | 7 | 7 | 5 | 7 | 7 | 7 | — | 7 | 17 | — | 15 | 14 | 13 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 3 | NNW 3 | NNW 3 | NNW 3 | NW 4 | NW 4 | NW 4 | NNW 4 | NNW 4 | NNW 4 | NNW 4 | NW 5 | NW 5 | NW 6 | NW 5 | NNW 5 | — | SW 10 | SSW 9 | SSW 8 | S 7 | SSE 5 | SSE 6 | SSE 7 |
| kJ | 2 | 2 | 4 | 7 | 21 | 45 | 31 | 21 | 16 | 20 | 18 | 67 | 143 | 172 | 111 | 15 | — | 480 | 459 | 346 | 152 | 94 | 178 | 254 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 43 | 60 | 151 | 43 | 0 | 52 | 0 | 18 | 160 | 206 | 206 | 206 | 0 | 12 | 16 | 254 | 318 | 398 | 196 | 196 | 21 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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