Surf Forecasts:
How big are the waves at Kosi Bay today (12 Aug):
- Afternoon surf: Afternoon surf (12 Aug, local time) - 15ft (4.5m), 10s period with SSE swell.
- Evening surf: Evening surf (12 Aug, local time) - 11ft (3.5m), 9s period with SSE swell.
The current surf forecast for Kosi Bay at 12AM is: 4.0m 9s primary swell from a Southeast direction and 0.3m 15s secondary swell from a South-southwest direction (forecast issued at 07:00pm August 11). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | - | - |
| Afternoon (12 Aug) | 15ft (4.5m) | 10s |
| Evening (12 Aug) | 11ft (3.5m) | 9s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 27mm), heaviest during Tue night. Warm (max 20°C on Fri afternoon, min 15°C on Tue night). Winds decreasing (strong winds from the SSE on Tue night, light winds from the S by Thu night). | |||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 13 | |||||||||||||||||
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 9 | SE 9 | SE 9 | SE 10 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SSE 9 | ESE 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 3211 | 1926 | 2227 | 2503 | 2323 | 2197 | 2422 | 2473 | 2184 | 1967 | 1637 | 1389 | 1291 | 1143 | 1002 | 891 | 727 | 339 | 553 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on |
High Tide | 3:08PM1.99m | 3:26AM2.04m | 3:47PM2.17m | 4:02AM2.16m | 4:23PM2.29m | ||||||||||||||
Low Tide | 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 | 6 | 5 | 4 | 1 | 1 | 3 | 2 | 1 | — | 1 | 1 | 2 | 2 | 1 | 1 | — | — | 1 | 1 |
Temp °C | 15 | 15 | 17 | 18 | 17 | 17 | 18 | 19 | 18 | 18 | 17 | 16 | 16 | 16 | 19 | 19 | 18 | 17 | 18 |
Feels °C | 8 | 9 | 10 | 11 | 11 | 11 | 12 | 13 | 12 | 13 | 13 | 13 | 13 | 12 | 15 | 15 | 15 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | — | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 15 | ESE 12 | SW 13 | SSW 12 | S 25 | SSW 12 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | E 9 | ESE 9 |
| kJ | — | 22 | 42 | 71 | 70 | 44 | 57 | 46 | 138 | 12 | 58 | 1389 | 1291 | 1143 | 1002 | 891 | 727 | 318 | 553 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SSW 11 | SSW 15 | SW 13 | — | — | S 24 | S 16 | S 16 | S 22 | S 15 | S 14 | S 14 | S 11 | S 11 | S 10 |
| kJ | — | — | — | — | 70 | 121 | 45 | — | — | 12 | 20 | 20 | 9 | 38 | 37 | 36 | 63 | 82 | 72 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | S 24 | SW 24 | SW 22 | S 22 | S 22 | S 20 | E 11 | E 11 | E 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | 11 | 22 | 19 | 9 | 9 | 8 | 22 | 39 | 39 |
Wind waves Height (m) Direction Period (s) | SSE 10 | SSE 9 | SE 9 | SE 9 | SE 10 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | — | — | — | — | — | — | SSE 9 | — |
| kJ | 3211 | 1926 | 2227 | 2503 | 2323 | 2197 | 2422 | 2473 | 2184 | 1967 | 1637 | — | — | — | — | — | — | 339 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 378 | 431 | 428 | 1252 | 1135 | 407 | 407 | 1252 | 378 | 337 | 258 | 177 | 258 | 177 | 228 | 228 | 228 | 177 | 177 |
Best forecast wave conditions in KwaZulu-Natal North Coast | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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