Surf Forecasts:
How big are the waves at Kosi Bay today (11 Aug):
- Morning surf: Morning surf (11 Aug, local time) - 15ft (4.5m), 10s period with SSE swell.
- Afternoon surf: Afternoon surf (11 Aug, local time) - 15ft (4.5m), 10s period with SSE swell.
- Evening surf: Evening surf (11 Aug, local time) - 11ft (3.5m), 9s period with SSE swell.
The current surf forecast for Kosi Bay at 5PM is: 4.0m 10s primary swell from a South-southeast direction (forecast issued at 01:00pm August 11). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | 15ft (4.5m) | 10s |
| Afternoon (11 Aug) | 15ft (4.5m) | 10s |
| Evening (11 Aug) | 11ft (3.5m) | 9s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 38mm), heaviest during Tue afternoon. Very mild (max 19°C on Thu afternoon, min 15°C on Tue afternoon). Winds decreasing (strong winds from the S on Tue afternoon, light winds from the S by Thu night). | |||||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 13 | |||||||||||||||||||
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) | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SE 9 | SE 9 | SE 10 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 4343 | 3866 | 3211 | 2033 | 2346 | 2557 | 2394 | 2197 | 2291 | 2284 | 2046 | 1831 | 1528 | 1360 | 1202 | 1055 | 1002 | 826 | 673 | 623 | 311 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on |
High Tide | 3:08PM1.99m | 3:26AM2.04m | 3:47PM2.17m | 4:02AM2.16m | 4:23PM2.29m | ||||||||||||||||
Low Tide | 8:53AM0.30m | 9:15PM0.23m | 9:32AM0.12m | 9:54PM0.10m | 10:08AM-0.01m | 10:30PM0.04m | |||||||||||||||
 |  | |  | | | | | |  | |  | | | | | |  | | |  | |
 | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | 5:24 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:25 | — | — |
mm | 5 | 7 | 6 | 4 | 4 | 1 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | 1 | — |
Temp °C | 17 | 16 | 15 | 15 | 17 | 18 | 16 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 18 | 19 | 19 | 19 | 19 |
Feels °C | 8 | 9 | 8 | 8 | 9 | 11 | 10 | 11 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 14 | 14 | 15 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | — | — | — | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | S 11 | SSW 14 | SSW 12 | S 25 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 |
| kJ | — | — | — | 44 | 42 | 71 | 72 | 44 | 286 | 73 | 254 | 12 | 1528 | 1360 | 1202 | 1055 | 1002 | 826 | 673 | 623 | 311 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | SSW 11 | — | SSW 14 | SSW 14 | — | S 24 | SSW 12 | S 16 | S 15 | S 15 | S 14 | S 14 | S 11 | S 11 | S 10 |
| kJ | — | — | — | — | — | — | 70 | — | 113 | 104 | — | 12 | 58 | 20 | 19 | 38 | 36 | 36 | 84 | 82 | 72 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | S 16 | S 16 | S 22 | S 22 | S 22 | S 20 | E 11 | E 11 | E 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 20 | 20 | 9 | 9 | 10 | 8 | 22 | 22 | 39 |
Wind waves Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SE 9 | SE 9 | SE 10 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | — | — | — | — | — | — | — | — | SSE 9 |
| kJ | 4343 | 3866 | 3211 | 2033 | 2346 | 2557 | 2394 | 2197 | 2291 | 2284 | 2046 | 1831 | — | — | — | — | — | — | — | — | 207 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1252 | 1252 | 378 | 425 | 1135 | 428 | 431 | 1142 | 1252 | 1252 | 1252 | 404 | 258 | 230 | 177 | 177 | 144 | 177 | 380 | 228 | 177 |
Best forecast wave conditions in KwaZulu-Natal North Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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