Surf Forecasts:
How big are the waves at Big Bay today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 6ft (1.9m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 5.5ft (1.7m), 13s period with WSW swell.
- Evening surf: Evening surf (20 Sep, local time) - 5ft (1.6m), 13s period with WSW swell.
The current surf forecast for Big Bay at 9AM is: 1.9m 13s primary swell from a Southwest direction and 0.7m 6s secondary swell from a South direction (forecast issued at 01:00am September 20). An open ocean swell of 0.9m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 6ft (1.9m) | 13s |
| Afternoon (20 Sep) | 5.5ft (1.7m) | 13s |
| Evening (20 Sep) | 5ft (1.6m) | 13s |
Table - waves today at Big Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Mon night. Warm (max 29°C on Tue morning, min 15°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||||
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 13 | SW 13 | SW 13 | SW 13 | SW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1591 | 1452 | 1367 | 1288 | 1094 | 998 | 822 | 702 | 636 | 554 | 472 | 472 | 371 | 347 | 288 | 283 | 273 | 303 | 362 | 336 | 346 | 319 | 389 | 391 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-on | cross-on | glassy | cross | on |
High Tide | 11:20AM0.96m | 11:39PM0.99m | 12:26PM1.08m | 00:34AM1.10m | 1:02PM1.21m | |||||||||||||||||||
Low Tide | 4:47AM0.65m | 5:47PM0.67m | 6:11AM0.55m | 6:42PM0.56m | 6:52AM0.44m | 7:17PM0.43m | ||||||||||||||||||
 | |  | | | | | | | | | | | |  | | |  | |  |  | | | | |
 | — | 6:39 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:42 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 18 | 24 | 25 | 24 | 21 | 20 | 18 | 17 | 18 | 24 | 28 | 28 | 25 | 23 | 21 | 22 | 23 | 29 | 22 | 19 | 20 | 19 |
Feels °C | 16 | 16 | 16 | 23 | 23 | 22 | 20 | 19 | 17 | 16 | 17 | 23 | 27 | 27 | 25 | 23 | 21 | 22 | 23 | 28 | 21 | 20 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 |
| kJ | 1591 | 1452 | 1367 | 1288 | 1094 | 998 | 822 | 702 | 636 | 554 | 472 | 472 | 371 | 347 | 288 | 283 | 273 | 303 | 362 | 336 | 346 | 319 | 389 | 391 |
Swell 2 Height (m) Direction Period (s) | SSE 6 | S 6 | S 6 | S 6 | — | — | — | — | — | SSE 6 | S 6 | S 6 | S 6 | SW 15 | S 6 | S 6 | SW 14 | SW 14 | WSW 11 | WSW 11 | WSW 11 | W 11 | S 15 | S 14 |
| kJ | 54 | 35 | 35 | 25 | — | — | — | — | — | 60 | 49 | 49 | 51 | 57 | 41 | 23 | 198 | 149 | 186 | 133 | 119 | 85 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SW 15 | — | SW 15 | SW 14 | S 7 | SSE 7 | SSE 6 | SE 5 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 35 | — | 106 | 167 | 24 | 15 | 15 | 7 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | S 6 | S 6 | SSE 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | SSE 6 | — | — | — | — | — | — | — | — | — |
| kJ | 93 | 62 | 49 | 43 | 31 | 62 | 82 | 104 | 85 | 107 | 82 | 85 | 91 | 51 | 73 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 29 | 0 | 2 | 29 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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