Surf Forecasts:
How big are the waves at Kosi Bay today (23 Aug):
- Morning surf: Morning surf (23 Aug, local time) - 10ft (3.0m), 9s period with S swell.
- Afternoon surf: Afternoon surf (23 Aug, local time) - 10ft (3.0m), 10s period with S swell.
- Evening surf: Evening surf (23 Aug, local time) - 8ft (2.4m), 10s period with S swell.
The current surf forecast for Kosi Bay at 8AM is: 3.0m 9s primary swell from a South direction and 0.3m 8s secondary swell from a East direction (forecast issued at 01:00am August 23). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | 10ft (3.0m) | 9s |
| Afternoon (23 Aug) | 10ft (3.0m) | 10s |
| Evening (23 Aug) | 8ft (2.4m) | 10s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Tue afternoon, min 18°C on Sun night). Winds decreasing (fresh winds from the S on Sun morning, light winds from the NE by Tue night). | ||||||||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | ||||||||||||||||||||||
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) | S 6 | S 8 | S 9 | S 9 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 16 | S 16 | S 17 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 366 | 1131 | 1555 | 1807 | 1928 | 1697 | 1230 | 926 | 666 | 509 | 441 | 386 | 335 | 288 | 240 | 226 | 197 | 177 | 146 | 143 | 113 | 135 | 193 | 210 |
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 | cross | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross |
High Tide | 00:56AM1.30m | 1:42PM1.36m | 1:59AM1.48m | 2:22PM1.56m | 2:33AM1.67m | 2:51PM1.75m | ||||||||||||||||||
Low Tide | 7:24AM0.88m | 7:46PM0.81m | 8:11AM0.69m | 8:24PM0.63m | 8:41AM0.50m | 8:54PM0.46m | ||||||||||||||||||
 | |  | |  | | | | |  | | | | | | | | | | | | | | | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:31 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 19 | 20 | 21 | 21 | 20 | 20 | 20 | 19 | 18 | 18 | 20 | 21 | 20 | 19 | 19 | 19 | 18 | 18 | 22 | 23 | 21 | 20 | 20 |
Feels °C | 15 | 14 | 15 | 16 | 15 | 16 | 17 | 19 | 19 | 18 | 18 | 20 | 18 | 18 | 17 | 18 | 19 | 17 | 17 | 20 | 20 | 19 | 19 | 21 |
Swell 1 Height (m) Direction Period (s) | NE 5 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 9 | S 16 | NE 4 |
| kJ | 8 | 12 | 12 | 5 | 5 | 5 | 5 | 926 | 666 | 509 | 441 | 386 | 335 | 288 | 240 | 226 | 197 | 177 | 146 | 143 | 113 | 54 | 193 | 14 |
Swell 2 Height (m) Direction Period (s) | E 8 | NE 5 | — | — | — | — | — | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSW 17 | SSW 17 | SE 9 | S 9 | S 17 |
| kJ | 12 | 4 | — | — | — | — | — | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 17 | 16 | 17 | 29 | 59 | 95 | 52 | 57 | 210 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 20 | E 8 | S 19 | SSW 18 | SSW 17 | SSE 12 | SSE 12 | S 16 | SE 8 | S 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 5 | 27 | 32 | 59 | 15 | 15 | 135 | 31 | 40 |
Wind waves Height (m) Direction Period (s) | S 6 | S 8 | S 9 | S 9 | S 10 | S 10 | S 10 | — | — | — | — | — | — | NE 3 | NE 3 | NE 3 | NNE 3 | NNE 3 | N 3 | N 4 | NNE 4 | NNE 4 | NE 4 | — |
| kJ | 366 | 1131 | 1555 | 1807 | 1928 | 1697 | 1230 | — | — | — | — | — | — | 2 | 3 | 5 | 2 | 3 | 5 | 9 | 18 | 21 | 16 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 290 | 421 | 428 | 705 | 1049 | 661 | 230 | 144 | 144 | 25 | 0 | 380 | 380 | 380 | 229 | 0 | 0 | 0 | 0 | 290 | 407 | 228 | 173 | 25 |
Best forecast wave conditions in KwaZulu-Natal North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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