Surf Forecasts:
How big are the waves at Kosi Bay today (31 Jul):
- Afternoon surf: Afternoon surf (31 Jul, local time) - 11ft (3.5m), 9s period with S swell.
- Evening surf: Evening surf (31 Jul, local time) - 11ft (3.5m), 9s period with S swell.
The current surf forecast for Kosi Bay at 11PM is: 3.0m 9s primary swell from a South-southeast direction and 0.4m 11s secondary swell from a East-southeast direction, 0.2m 18s secondary swell from a South-southwest direction (forecast issued at 07:00pm July 31). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | - | - |
| Afternoon (31 Jul) | 11ft (3.5m) | 9s |
| Evening (31 Jul) | 11ft (3.5m) | 9s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Fri night. Warm (max 22°C on Sun afternoon, min 14°C on Sun morning). Winds decreasing (fresh winds from the SSW on Fri night, calm by Mon morning). | |||||||||||||||||||
Fri 31 | Saturday 1 | Sunday 2 | |||||||||||||||||
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 9 | S 9 | SSE 9 | SSE 9 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | SSE 11 | SSE 12 | SSE 12 | SSE 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 2289 | 2046 | 1738 | 1435 | 1247 | 1494 | 1368 | 1283 | 1320 | 1348 | 1564 | 1434 | 1522 | 1910 | 1875 | 1675 | 2037 | 2100 | 2064 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-off |
High Tide | 5:03PM2.13m | 5:12AM2.10m | 5:31PM2.16m | 5:40AM2.08m | 6:00PM2.14m | ||||||||||||||
Low Tide | 11:07PM0.17m | 11:19AM0.08m | 11:37PM0.18m | 11:47AM0.10m | |||||||||||||||
 |  |  | |  |  | | |  |  | | | | | | | | | | |
 | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:21 | — | — |
mm | — | 1 | 1 | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 19 | 18 | 17 | 17 | 17 | 19 | 20 | 19 | 18 | 16 | 15 | 15 | 14 | 20 | 22 | 21 | 20 | 18 |
Feels °C | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 14 | 14 | 13 | 12 | 11 | 11 | 10 | 16 | 19 | 17 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | ESE 11 | ESE 11 | ESE 11 | S 10 | SSE 10 | S 16 | S 16 | S 16 | SW 16 | SSW 15 | SSE 10 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | SSE 11 | SSE 12 | SSE 12 | SSE 12 |
| kJ | 41 | 40 | 40 | 171 | 1247 | 20 | 5 | 5 | 10 | 21 | 1338 | 1434 | 1522 | 1910 | 1875 | 1675 | 2037 | 2100 | 2064 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | — | — | SSW 16 | S 12 | — | — | — | — | — | — | — | — | — | S 18 |
| kJ | 30 | 30 | 30 | 28 | 27 | — | — | 25 | 3 | — | — | — | — | — | — | — | — | — | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | SSW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 9 | S 9 | SSE 9 | SSE 9 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | — | — | — | — | — | — | — | — |
| kJ | 2289 | 2046 | 1738 | 1435 | 356 | 1494 | 1368 | 1283 | 1320 | 1348 | 1564 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1244 | 464 | 360 | 345 | 228 | 337 | 378 | 1242 | 1206 | 378 | 297 | 297 | 319 | 319 | 378 | 428 | 428 | 258 | 177 |
Best forecast wave conditions in KwaZulu-Natal North Coast | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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