Surf Forecasts:
How big are the waves at Nine Mile Reef today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 2.5ft (0.8m), 12s period with S swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 2.5ft (0.7m), 13s period with SSW swell.
- Evening surf: Evening surf (18 Jul, local time) - 2.5ft (0.7m), 12s period with SW swell.
The current surf forecast for Nine Mile Reef at 12PM is: 0.8m 11s primary swell from a South direction and 0.8m 9s secondary swell from a Southwest direction (forecast issued at 07:00am July 18). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 2.5ft (0.8m) | 12s |
| Afternoon (18 Jul) | 2.5ft (0.7m) | 13s |
| Evening (18 Jul) | 2.5ft (0.7m) | 12s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sun afternoon. Very mild (max 18°C on Sat afternoon, min 12°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
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) | SW 9 | S 12 | S 11 | SSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 9 | SW 9 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SSW 9 | SSW 9 | SSW 8 | SSW 12 | SSW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 123 | 178 | 155 | 158 | 162 | 157 | 335 | 319 | 314 | 309 | 309 | 197 | 252 | 445 | 530 | 480 | 400 | 327 | 276 | 207 | 120 | 94 | 206 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | cross-off | off | off | off | off | off | off | cross-off | glassy | glassy | glassy | glassy | glassy | glassy | glassy | cross | cross-on | glassy | glassy |
High Tide | 5:53AM1.40m | 6:18PM1.54m | 6:36AM1.29m | 7:00PM1.43m | 7:21AM1.18m | 7:44PM1.32m | |||||||||||||||||
Low Tide | 12:00PM0.16m | 00:39AM0.25m | 12:39PM0.27m | 1:24AM0.34m | 1:19PM0.39m | ||||||||||||||||||
 |  |  |  | |  | | | | | |  | | | | | | | | | | | | |
 | 7:47 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — |
 | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 16 | 18 | 18 | 15 | 15 | 14 | 13 | 13 | 14 | 15 | 15 | 14 | 13 | 13 | 12 | 12 | 14 | 16 | 15 | 13 | 13 |
Feels °C | 14 | 13 | 14 | 16 | 17 | 13 | 14 | 12 | 10 | 10 | 11 | 14 | 15 | 14 | 13 | 13 | 11 | 11 | 13 | 14 | 13 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 9 | SW 9 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SSW 9 | SSW 9 | SSW 8 | SW 8 | SW 8 |
| kJ | 123 | 101 | 117 | 141 | 138 | 123 | 335 | 319 | 314 | 309 | 309 | 197 | 252 | 445 | 530 | 480 | 400 | 327 | 276 | 207 | 120 | 54 | 57 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 11 | S 11 | S 10 | SSW 12 | SSW 11 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSW 11 | SSW 12 | SSW 16 |
| kJ | 103 | 178 | 155 | 116 | 116 | 110 | 68 | 102 | 82 | 82 | 54 | 90 | 109 | 32 | 18 | 18 | 16 | 8 | 8 | 8 | 75 | 94 | 206 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | SW 15 | SW 14 | SSW 13 | SW 13 | SW 12 | SSE 12 | W 11 | W 11 | SSE 11 | SE 9 | SSE 10 | SSE 10 | SSW 14 | SE 9 | SE 9 | SE 10 | SE 9 | SE 9 | SE 9 | SSW 18 | S 8 | S 7 |
| kJ | 23 | 54 | 95 | 158 | 162 | 157 | 45 | 151 | 151 | 117 | 29 | 33 | 33 | 36 | 3 | 3 | 4 | 3 | 13 | 13 | 31 | 28 | 25 |
Wind waves Height (m) Direction Period (s) | — | — | — | NW 3 | — | — | NW 2 | NW 3 | NNW 3 | NNW 3 | NNW 3 | N 3 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 5 | — | — | 1 | 2 | 3 | 5 | 6 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 10 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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