Surf Forecasts:
How big are the waves at Big Bay today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 10ft (3.0m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 7ft (2.2m), 13s period with WSW swell.
- Evening surf: Evening surf (16 Sep, local time) - 6ft (1.8m), 13s period with SW swell.
The current surf forecast for Big Bay at 1AM is: 3.0m 14s primary swell from a West-southwest direction and 1.7m 7s secondary swell from a West-northwest direction (forecast issued at 07:00pm September 15). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 10ft (3.0m) | 13s |
| Afternoon (16 Sep) | 7ft (2.2m) | 13s |
| Evening (16 Sep) | 6ft (1.8m) | 13s |
Table - waves today at Big Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Tue night. Very mild (max 19°C on Fri afternoon, min 12°C on Tue night). Mainly strong winds. | |||||||||||||||||||
Tue 15 | Wednesday 16 | Thursday 17 | |||||||||||||||||
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 16 | SW 15 | SW 15 | WSW 14 | WSW 14 | WSW 13 | SW 13 | WSW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 813 | 1251 | 2215 | 3702 | 3021 | 2515 | 2677 | 1901 | 1193 | 905 | 1306 | 1352 | 1429 | 1131 | 1031 | 1025 | 945 | 794 | 710 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:29PM1.40m | 5:49AM1.24m | 6:00PM1.27m | 6:24AM1.13m | 6:36PM1.13m | ||||||||||||||
Low Tide | 11:44PM0.28m | 11:48AM0.38m | 00:15AM0.41m | 12:20PM0.51m | |||||||||||||||
 |  |  | |  |  | |  | |  | | | | | | | | | | |
 | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — |
 | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | 2 | 8 | 7 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 14 | 13 | 12 | 12 | 13 | 14 | 16 | 16 | 14 | 13 | 12 | 12 | 12 | 15 | 18 | 17 | 14 | 13 |
Feels °C | 10 | 10 | 11 | 10 | 7 | 6 | 6 | 7 | 8 | 7 | 7 | 6 | 6 | 5 | 7 | 10 | 9 | 7 | 7 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 15 | SW 15 | WSW 14 | WSW 14 | WSW 13 | SW 13 | WSW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 813 | 1251 | 2215 | 3702 | 3021 | 2515 | 2677 | 1901 | 1193 | 905 | 1306 | 1352 | 1429 | 1131 | 1031 | 1025 | 945 | 794 | 710 |
Swell 2 Height (m) Direction Period (s) | — | — | WNW 7 | WNW 7 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | — | — | — | — |
| kJ | — | — | 310 | 168 | 215 | 528 | 534 | 471 | 628 | 764 | 408 | 324 | 144 | 144 | 139 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 7 | WNW 8 | — | — | — | — | — | S 6 | S 6 | S 7 | S 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SSE 7 | SSE 6 |
| kJ | 453 | 468 | — | — | — | — | — | 141 | 224 | 356 | 523 | 385 | 392 | 319 | 307 | 253 | 303 | 330 | 244 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 340 | 181 | 34 | 14 | 130 | 323 | 340 | 340 | 163 | 163 | 56 | 56 | 56 | 56 | 400 | 130 | 913 | 118 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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