Surf Forecasts:
How big are the waves at Rocklands today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 4ft (1.2m), 9s period with SW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 3.5ft (1.0m), 13s period with SW swell.
- Evening surf: Evening surf (18 Jul, local time) - 5ft (1.6m), 12s period with SW swell.
The current surf forecast for Rocklands at 10AM is: 1.4m 9s primary swell from a Southwest direction and 0.8m 11s secondary swell from a South direction (forecast issued at 01:00am July 18). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 4ft (1.2m) | 9s |
| Afternoon (18 Jul) | 3.5ft (1.0m) | 13s |
| Evening (18 Jul) | 5ft (1.6m) | 12s |
Table - waves today at Rocklands. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat afternoon, min 13°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
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) | SW 10 | SW 9 | SW 9 | SW 9 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 | SW 10 | SW 10 | SW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 377 | 190 | 247 | 307 | 340 | 352 | 741 | 730 | 574 | 565 | 561 | 561 | 583 | 729 | 716 | 1027 | 971 | 769 | 587 | 323 | 281 | 173 | 136 | 268 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | cross | cross-off | cross-off | cross-off |
High Tide | 5:59AM1.60m | 6:25PM1.72m | 6:43AM1.50m | 7:08PM1.63m | 7:28AM1.40m | 7:55PM1.52m | ||||||||||||||||||
Low Tide | 00:00AM0.40m | 12:05PM0.39m | 00:45AM0.48m | 12:46PM0.49m | 1:31AM0.57m | 1:29PM0.60m | ||||||||||||||||||
 | |  | |  | |  | | | | |  | | | | | | | | | | | | | |
 | — | 7:48 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:58 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 15 | 16 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 14 | 15 | 15 | 14 | 14 |
Feels °C | 17 | 15 | 15 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 14 | 15 | 14 | 13 | 12 | 12 | 13 | 14 | 13 | 13 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 | SW 8 | SSW 8 | SSW 8 |
| kJ | 377 | 190 | 247 | 307 | 206 | 178 | 741 | 730 | 574 | 565 | 561 | 561 | 583 | 729 | 716 | 1027 | 971 | 769 | 587 | 323 | 281 | 151 | 136 | 103 |
Swell 2 Height (m) Direction Period (s) | S 13 | WSW 10 | S 12 | S 11 | SW 13 | SW 13 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | SW 11 | SW 11 | SW 10 | SW 10 | SW 16 |
| kJ | 51 | 137 | 178 | 118 | 340 | 352 | 171 | 198 | 191 | 188 | 188 | 184 | 138 | 98 | 96 | 71 | 69 | 89 | 118 | 194 | 123 | 173 | 127 | 268 |
Swell 3 Height (m) Direction Period (s) | SW 16 | S 12 | SW 14 | SW 14 | S 11 | S 11 | S 11 | S 10 | S 10 | S 11 | S 11 | S 10 | S 10 | SSE 10 | SSW 13 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | W 10 | W 10 | W 10 | W 10 | SW 12 |
| kJ | 40 | 72 | 130 | 187 | 112 | 110 | 110 | 98 | 98 | 82 | 82 | 55 | 50 | 32 | 102 | 18 | 19 | 9 | 8 | 92 | 92 | 89 | 66 | 144 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | N 3 | NNW 3 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 1 | 4 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 10 | 15 | 15 | 15 | 13 | 13 | 13 | 13 | 4 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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