Surf Forecasts:
How big are the waves at Big Bay today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 7ft (2.2m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 6ft (1.8m), 14s period with SW swell.
- Evening surf: Evening surf (13 Sep, local time) - 5ft (1.6m), 13s period with SW swell.
The current surf forecast for Big Bay at 9PM is: 1.6m 13s primary swell from a Southwest direction and 0.6m 7s secondary swell from a South direction (forecast issued at 01:00pm September 13). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 7ft (2.2m) | 14s |
| Afternoon (13 Sep) | 6ft (1.8m) | 14s |
| Evening (13 Sep) | 5ft (1.6m) | 13s |
Table - waves today at Big Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 31mm), heaviest during Tue night. Very mild (max 17°C on Sun afternoon, min 12°C on Tue night). Winds increasing (light winds from the W on Sun afternoon, fresh winds from the NW by Tue afternoon). | |||||||||||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | |||||||||||||||||||
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 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | NW 7 | NW 8 | NW 8 | NW 8 | SW 11 | SW 18 | SW 17 | SW 16 | SW 15 | WSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1812 | 1280 | 1215 | 933 | 827 | 732 | 581 | 504 | 430 | 361 | 272 | 334 | 292 | 244 | 202 | 194 | 165 | 346 | 813 | 1349 | 3243 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | on | on | cross | 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 | cross-on | cross-on | cross-on |
High Tide | 4:29PM1.62m | 4:48AM1.45m | 4:59PM1.52m | 5:18AM1.35m | 5:29PM1.40m | ||||||||||||||||
Low Tide | 10:19AM0.08m | 10:45PM0.07m | 10:49AM0.16m | 11:15PM0.17m | 11:18AM0.26m | ||||||||||||||||
 |  | |  |  | | | | |  | |  |  | | |  | | | | |  | |
 | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — |
 | — | — | 6:36 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | 2 | 2 | 1 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | 1 | — | — | — | 1 | 7 |
Temp °C | 22 | 17 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 17 | 17 | 15 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 15 | 14 |
Feels °C | 22 | 15 | 16 | 15 | 13 | 13 | 12 | 11 | 11 | 11 | 12 | 11 | 11 | 10 | 10 | 12 | 10 | 9 | 11 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 16 | SW 15 | WSW 15 |
| kJ | 1812 | 1280 | 1215 | 933 | 827 | 732 | 581 | 504 | 430 | 361 | 272 | 268 | 263 | 220 | 202 | 194 | 165 | 150 | 813 | 1349 | 3243 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | S 7 | SSE 8 | S 7 | S 7 | SSE 7 | SE 8 | — | S 7 | SSE 13 | SSE 7 | SE 7 | SE 13 | S 13 | S 13 | SW 17 | SW 18 | SW 17 | WSW 8 | WSW 8 | — |
| kJ | 107 | 53 | 39 | 33 | 22 | 26 | 16 | — | 1 | 16 | 5 | 2 | 7 | 3 | 3 | 44 | 152 | 346 | 64 | 130 | — |
Swell 3 Height (m) Direction Period (s) | — | — | S 7 | — | — | — | — | — | — | — | — | SE 13 | — | — | — | SW 15 | — | — | — | — | — |
| kJ | — | — | 32 | — | — | — | — | — | — | — | — | 7 | — | — | — | 8 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NNW 3 | NNW 4 | NW 5 | NW 5 | NW 5 | NW 6 | NW 6 | NW 7 | NW 8 | NW 8 | NW 8 | NW 7 | NW 5 | NW 6 | NW 6 | NW 7 | — |
| kJ | — | — | — | — | 7 | 25 | 35 | 55 | 79 | 133 | 220 | 334 | 292 | 244 | 200 | 174 | 117 | 198 | 196 | 159 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 29 | 29 | 2 | 34 | 2 | 36 | 87 | 87 | 87 | 185 | 34 | 36 | 36 | 87 | 34 | 192 | 232 | 232 | 192 | 36 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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