Surf Forecasts:
How big are the waves at Underwater Point today (23 Sep):
- Morning surf: Morning surf (23 Sep, local time) - 3.5ft (1.1m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (23 Sep, local time) - 3.5ft (1.0m), 11s period with SW swell.
- Evening surf: Evening surf (23 Sep, local time) - 3ft (0.9m), 10s period with SW swell.
The current surf forecast for Underwater Point at 7PM is: 0.9m 10s primary swell from a Southwest direction (forecast issued at 01:00pm September 23). An open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 3.5ft (1.1m) | 11s |
| Afternoon (23 Sep) | 3.5ft (1.0m) | 11s |
| Evening (23 Sep) | 3ft (0.9m) | 10s |
Table - waves today at Underwater Point. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Sat morning. Warm (max 20°C on Thu night, min 16°C on Wed afternoon). Winds decreasing (strong winds from the SE on Wed night, calm by Thu night). | |||||||||||||||||||||
Wed 23 | Thursday 24 | Friday 25 | |||||||||||||||||||
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 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 254 | 216 | 187 | 157 | 104 | 117 | 111 | 366 | 806 | 1145 | 1422 | 1235 | 1180 | 1028 | 964 | 850 | 822 | 747 | 734 | 614 | 636 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | on | on | cross-on | off | cross | cross-off | cross-off |
High Tide | 1:33PM1.34m | 1:44AM1.33m | 2:01PM1.47m | 2:15AM1.43m | 2:29PM1.57m | ||||||||||||||||
Low Tide | 7:47PM0.30m | 7:52AM0.23m | 8:15PM0.18m | 8:20AM0.14m | 8:44PM0.08m | ||||||||||||||||
 |  | |  | |  |  | |  | | | | | | | | | | |  |  | |
 | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | 6:42 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 |
Temp °C | 15 | 16 | 16 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 20 | 20 | 20 | 19 | 18 | 17 | 16 | 17 | 19 | 18 |
Feels °C | 15 | 15 | 12 | 12 | 14 | 14 | 16 | 19 | 19 | 18 | 18 | 20 | 21 | 22 | 19 | 19 | 17 | 16 | 17 | 19 | 17 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SSE 7 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 |
| kJ | 254 | 216 | 187 | 157 | 104 | 117 | 100 | 180 | 806 | 1145 | 1422 | 1235 | 1180 | 1028 | 964 | 850 | 822 | 747 | 734 | 614 | 636 |
Swell 2 Height (m) Direction Period (s) | SE 6 | SE 6 | S 11 | — | SW 14 | SSW 7 | SSW 17 | SSW 16 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SE 7 | SE 7 | SSE 7 | SE 7 | SE 7 | SW 17 | SW 16 |
| kJ | 6 | 10 | 10 | — | 7 | 38 | 111 | 366 | 127 | 99 | 88 | 96 | 81 | 57 | 46 | 36 | 31 | 23 | 17 | 142 | 193 |
Swell 3 Height (m) Direction Period (s) | SSE 12 | W 9 | NNW 5 | — | S 11 | SSW 18 | SW 14 | SW 10 | SW 11 | SW 11 | — | — | — | — | W 16 | W 16 | W 16 | W 16 | SSW 16 | SSW 16 | SW 18 |
| kJ | 14 | 6 | 2 | — | 2 | 30 | 7 | 100 | 119 | 121 | — | — | — | — | 5 | 5 | 5 | 5 | 27 | 104 | 81 |
Wind waves Height (m) Direction Period (s) | — | — | SE 7 | SSE 5 | SSE 6 | SE 6 | SSE 7 | SE 7 | — | — | SE 7 | — | — | — | — | — | — | — | — | SE 7 | — |
| kJ | — | — | 21 | 77 | 231 | 172 | 205 | 379 | — | — | 169 | — | — | — | — | — | — | — | — | 12 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 2 | 13 | 28 | 31 | 26 | 26 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 2 | 2 | 3 | 0 | 13 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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