Surf Forecasts:
How big are the waves at Big Bay today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 5ft (1.6m), 7s period with NW swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 7ft (2.2m), 7s period with NW swell.
- Evening surf: Evening surf (15 Sep, local time) - 6ft (1.8m), 15s period with SW swell.
The current surf forecast for Big Bay at 8AM is: 1.5m 7s primary swell from a Northwest direction and 0.8m 11s secondary swell from a Southwest direction, 0.3m 16s secondary swell from a Southwest direction (forecast issued at 01:00am September 15). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 5ft (1.6m) | 7s |
| Afternoon (15 Sep) | 7ft (2.2m) | 7s |
| Evening (15 Sep) | 6ft (1.8m) | 15s |
Table - waves today at Big Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Tue night. Very mild (max 17°C on Tue morning, min 12°C on Wed night). Winds decreasing (strong winds from the NNW on Tue afternoon, light winds from the SE by Wed night). | ||||||||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||||||||||
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) | NW 8 | NW 8 | NW 7 | NW 6 | NW 7 | SW 16 | SW 15 | SW 15 | SW 14 | WSW 14 | SW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 227 | 202 | 237 | 217 | 398 | 813 | 1251 | 1914 | 3430 | 3562 | 3123 | 983 | 1965 | 1193 | 1025 | 1793 | 2049 | 2422 | 1276 | 1293 | 1092 | 929 | 781 | 768 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:18AM1.35m | 5:29PM1.40m | 5:49AM1.24m | 6:00PM1.27m | 6:24AM1.13m | 6:36PM1.13m | ||||||||||||||||||
Low Tide | 11:15PM0.17m | 11:18AM0.26m | 11:44PM0.28m | 11:48AM0.38m | 00:15AM0.41m | 12:20PM0.51m | ||||||||||||||||||
 |  |  |  |  | |  | | |  | | | | |  | | | | | | | | | | |
 | — | 6:46 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | 1 | — | — | — | — | 3 | 5 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 14 | 17 | 16 | 16 | 14 | 13 | 13 | 13 | 14 | 15 | 16 | 15 | 14 | 13 | 12 | 12 | 12 | 15 | 17 | 17 | 15 | 13 |
Feels °C | 13 | 12 | 10 | 10 | 8 | 9 | 9 | 10 | 9 | 7 | 7 | 7 | 7 | 6 | 6 | 8 | 7 | 8 | 7 | 8 | 9 | 9 | 8 | 6 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 16 | SW 15 | SW 15 | SW 14 | WSW 14 | SW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 220 | 202 | 165 | 168 | 150 | 813 | 1251 | 1914 | 3430 | 3562 | 3123 | 983 | 1965 | 1193 | 1025 | 1793 | 2049 | 2422 | 1276 | 1293 | 1092 | 929 | 781 | 768 |
Swell 2 Height (m) Direction Period (s) | SE 13 | S 13 | SW 16 | SW 18 | SW 17 | — | — | WNW 8 | WNW 7 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | W 13 | W 12 | W 12 | W 12 | — | — | — | — | — |
| kJ | 7 | 3 | 43 | 152 | 350 | — | — | 578 | 164 | 178 | 528 | 596 | 471 | 767 | 683 | 564 | 446 | 144 | 193 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | NNW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 63 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 8 | NW 8 | NW 7 | NW 6 | NW 7 | NW 7 | WNW 8 | — | — | — | — | SW 9 | S 5 | S 6 | S 6 | — | — | — | S 7 | S 7 | S 6 | S 6 | SSE 6 | SSE 6 |
| kJ | 227 | 200 | 237 | 217 | 398 | 539 | 644 | — | — | — | — | 798 | 106 | 158 | 193 | — | — | — | 277 | 250 | 272 | 328 | 312 | 218 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 29 | 192 | 274 | 280 | 192 | 181 | 29 | 129 | 901 | 340 | 322 | 166 | 163 | 221 | 0 | 0 | 0 | 0 | 58 | 129 | 166 | 166 | 58 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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