Surf Forecasts:
How big are the waves at Nine Mile Reef today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 2ft (0.6m), 11s period with SSW swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 2ft (0.6m), 17s period with SW swell.
- Evening surf: Evening surf (15 Sep, local time) - 3.5ft (1.1m), 15s period with SW swell.
The current surf forecast for Nine Mile Reef at 6AM is: 0.6m 11s primary swell from a South-southwest direction and 0.2m 15s secondary swell from a South-southwest direction (forecast issued at 01:00am September 15). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 2ft (0.6m) | 11s |
| Afternoon (15 Sep) | 2ft (0.6m) | 17s |
| Evening (15 Sep) | 3.5ft (1.1m) | 15s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Tue night. Very mild (max 17°C on Tue afternoon, min 12°C on Tue night). Mainly strong winds. | ||||||||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||||||||||
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 12 | SSW 11 | SSW 11 | SW 18 | SW 17 | SW 16 | SW 15 | SW 15 | SW 15 | SW 10 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 90 | 79 | 76 | 96 | 142 | 367 | 525 | 1343 | 523 | 513 | 565 | 526 | 503 | 732 | 609 | 972 | 1152 | 1197 | 1002 | 514 | 505 | 400 | 393 | 343 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | off | cross-off | cross-off | off | off | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:17AM1.37m | 5:28PM1.42m | 5:48AM1.26m | 5:59PM1.28m | 6:21AM1.14m | 6:33PM1.14m | ||||||||||||||||||
Low Tide | 11:14PM0.17m | 11:17AM0.27m | 11:43PM0.29m | 11:46AM0.39m | 00:13AM0.41m | 12:17PM0.51m | ||||||||||||||||||
 |  |  | |  | |  |  | | |  | | | |  | | | | | | | | | | |
 | — | 6:45 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | 1 | — | — | — | — | 3 | 6 | 7 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 14 | 16 | 17 | 17 | 14 | 13 | 12 | 14 | 14 | 15 | 16 | 15 | 14 | 13 | 12 | 12 | 12 | 14 | 16 | 16 | 14 | 14 |
Feels °C | 11 | 12 | 9 | 8 | 9 | 9 | 7 | 8 | 8 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 9 | 8 | 7 | 8 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 11 | SSW 11 | SW 11 | SW 17 | SW 16 | SW 15 | SW 15 | SW 10 | SW 10 | SSW 9 | SW 14 | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 90 | 79 | 76 | 96 | 142 | 367 | 525 | 1343 | 523 | 450 | 459 | 526 | 503 | 683 | 609 | 972 | 1152 | 1197 | 1002 | 514 | 505 | 400 | 393 | 343 |
Swell 2 Height (m) Direction Period (s) | W 8 | SSW 15 | SSW 16 | SW 18 | SW 12 | SE 13 | S 9 | N 5 | SW 15 | SW 14 | SW 14 | SW 9 | WSW 9 | SW 13 | W 13 | W 13 | WSW 12 | W 12 | — | — | — | — | — | — |
| kJ | 5 | 23 | 25 | 79 | 67 | 7 | 2 | 5 | 472 | 513 | 565 | 162 | 67 | 732 | 892 | 556 | 469 | 196 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 13 | SE 13 | SE 13 | SE 13 | S 10 | — | SE 13 | SE 14 | — | ESE 12 | ESE 12 | ESE 12 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 7 | 7 | 7 | 7 | 7 | — | 7 | 7 | — | 15 | 14 | 14 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 4 | NW 4 | NW 4 | NW 5 | NW 5 | NW 6 | NW 6 | — | — | — | — | S 8 | S 8 | S 7 | SSE 7 | SE 4 | ESE 4 | — | — | SSE 7 | SSE 6 | SSE 6 | SSE 6 | SE 6 |
| kJ | 19 | 17 | 53 | 95 | 165 | 186 | 157 | — | — | — | — | 163 | 186 | 181 | 149 | 16 | 9 | — | — | 158 | 161 | 181 | 173 | 142 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 18 | 160 | 249 | 256 | 160 | 214 | 0 | 165 | 885 | 318 | 298 | 198 | 196 | 254 | 21 | 21 | 21 | 21 | 22 | 165 | 198 | 198 | 22 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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