Surf Forecasts:
How big are the waves at Nine Mile Reef today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 4.5ft (1.4m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 4ft (1.2m), 14s period with SSW swell.
- Evening surf: Evening surf (13 Sep, local time) - 6ft (1.8m), 8s period with SE swell.
The current surf forecast for Nine Mile Reef at 1PM is: 1.3m 14s primary swell from a South-southwest direction and 1.0m 8s secondary swell from a South-southeast direction, 1.8m 9s secondary swell from a Southeast direction (forecast issued at 07:00am September 13). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 4.5ft (1.4m) | 14s |
| Afternoon (13 Sep) | 4ft (1.2m) | 14s |
| Evening (13 Sep) | 6ft (1.8m) | 8s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 37mm), heaviest during Tue night. Warm (max 22°C on Sun morning, min 12°C on Tue night). Winds increasing (calm on Sun morning, strong winds from the NW by Tue afternoon). | |||||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||||||||||
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 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SE 8 | SW 13 | SSW 13 | SSW 13 | SW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 12 | SW 11 | SSW 11 | SW 18 | SSW 17 | SW 16 | SW 15 | SW 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 987 | 974 | 785 | 653 | 511 | 428 | 400 | 295 | 286 | 227 | 190 | 144 | 142 | 110 | 91 | 88 | 59 | 76 | 79 | 193 | 421 | 605 | 1011 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | glassy | cross | cross | glassy | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | off | off |
High Tide | 4:16AM1.53m | 4:29PM1.64m | 4:47AM1.46m | 4:59PM1.54m | 5:17AM1.37m | 5:28PM1.42m | |||||||||||||||||
Low Tide | 10:19AM0.08m | 10:45PM0.08m | 10:48AM0.16m | 11:14PM0.17m | 11:17AM0.27m | ||||||||||||||||||
 |  | |  | |  |  | | | | | |  | | | | | | | | | |  | |
 | 6:48 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — |
 | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:36 | — | — |
mm | — | — | — | 1 | 1 | — | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | 1 | — | — | — | 1 | 6 |
Temp °C | 17 | 17 | 22 | 22 | 19 | 17 | 16 | 16 | 16 | 15 | 16 | 18 | 17 | 16 | 15 | 15 | 15 | 15 | 17 | 18 | 16 | 15 | 14 |
Feels °C | 16 | 16 | 23 | 22 | 20 | 18 | 15 | 15 | 14 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 11 | 10 | 10 | 9 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SW 13 | SSW 13 | SSW 13 | SW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 12 | SW 11 | SSW 11 | SSW 11 | SSW 17 | SW 16 | SW 15 | SW 15 |
| kJ | 987 | 974 | 785 | 653 | 493 | 412 | 400 | 295 | 286 | 227 | 190 | 144 | 142 | 110 | 91 | 88 | 59 | 76 | 79 | 193 | 421 | 605 | 1011 |
Swell 2 Height (m) Direction Period (s) | — | S 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SE 9 | SE 13 | SE 13 | SE 7 | W 8 | W 8 | SSW 15 | SSW 16 | SW 18 | SW 12 | SE 13 | W 8 | SE 14 |
| kJ | — | 20 | 120 | 86 | 93 | 73 | 57 | 44 | 32 | 19 | 20 | 42 | 26 | 2 | 10 | 5 | 23 | 25 | 79 | 67 | 7 | 29 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | SSE 11 | — | SE 12 | SE 11 | SSE 13 | — | — | SE 13 | SE 13 | SE 13 | W 8 | SE 13 | SW 14 | S 10 | — | S 9 | ESE 13 |
| kJ | — | — | — | — | — | — | 12 | — | 21 | 5 | 16 | — | — | 7 | 7 | 7 | 4 | 7 | 8 | 2 | — | 2 | 34 |
Wind waves Height (m) Direction Period (s) | SE 7 | SE 7 | SE 9 | SE 9 | SE 8 | SE 8 | — | NW 3 | NW 4 | NW 3 | NW 3 | NW 4 | NW 4 | NW 5 | NNW 4 | NNW 4 | NNW 4 | NW 4 | NW 4 | NW 5 | NW 5 | NW 5 | NNW 5 |
| kJ | 143 | 102 | 535 | 505 | 511 | 428 | — | 1 | 24 | 3 | 6 | 24 | 51 | 47 | 28 | 26 | 28 | 24 | 51 | 115 | 106 | 74 | 33 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 16 | 12 | 0 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 43 | 43 | 151 | 43 | 43 | 52 | 52 | 0 | 160 | 206 | 206 | 160 | 30 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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