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) - 13ft (4.0m), 9s period with SSE swell.
The current surf forecast for Kosi Bay at 6AM is: 4.5m 10s primary swell from a South-southeast direction and 0.7m 9s secondary swell from a East direction (forecast issued at 01:00am August 11). The wind direction is predicted to be 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) | 13ft (4.0m) | 9s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 44mm), heaviest during Tue night. Very mild (max 19°C on Thu morning, min 16°C on Tue afternoon). Winds decreasing (strong winds from the SSE on Tue morning, light winds from the S by Thu night). | ||||||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | ||||||||||||||||||||||
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 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2674 | 3101 | 4443 | 4067 | 4128 | 3424 | 2405 | 2705 | 3162 | 2668 | 2422 | 2291 | 2214 | 2018 | 1800 | 1457 | 1318 | 1137 | 1017 | 885 | 816 | 747 | 572 | 281 |
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 | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:45AM1.88m | 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 | ||||||||||||||||||
 |  |  | | |  | |  | | | | | | | | | | |  |  |  | |  | | |
 | — | 6:22 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:25 | — | — |
mm | 1 | 1 | 2 | 2 | 3 | 6 | 3 | 7 | 2 | 1 | 5 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | — | — | — | — | 1 |
Temp °C | 19 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 18 | 18 | 16 | 18 | 18 | 17 | 18 | 17 | 17 | 16 | 17 | 19 | 19 | 18 | 17 | 17 |
Feels °C | 12 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 11 | 12 | 9 | 12 | 12 | 11 | 13 | 13 | 13 | 12 | 13 | 15 | 15 | 14 | 15 | 16 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | — | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 15 | SSW 15 | SW 13 | SSW 14 | SSW 12 | S 25 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 |
| kJ | 85 | 85 | 85 | 119 | — | 24 | 44 | 87 | 69 | 73 | 44 | 45 | 73 | 308 | 12 | 1457 | 1318 | 1137 | 1017 | 885 | 816 | 747 | 572 | 281 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SSW 11 | SSW 15 | — | SSW 14 | — | S 24 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 11 | S 11 | E 9 |
| kJ | — | — | — | — | — | — | — | — | — | 24 | 121 | — | 104 | — | 12 | 20 | 20 | 19 | 38 | 37 | 37 | 63 | 84 | 148 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 24 | S 16 | S 22 | S 22 | S 22 | S 20 | E 11 | E 11 | E 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 11 | 20 | 9 | 9 | 9 | 8 | 22 | 22 | 108 |
Wind waves Height (m) Direction Period (s) | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | — | — | — | — | — | — | — | — | — |
| kJ | 2674 | 3101 | 4443 | 4067 | 4128 | 3424 | 2405 | 2705 | 3162 | 2668 | 2422 | 2291 | 2214 | 2018 | 1800 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 595 | 614 | 1077 | 407 | 407 | 1416 | 425 | 1252 | 1252 | 428 | 432 | 1252 | 1252 | 378 | 380 | 258 | 258 | 177 | 177 | 228 | 1077 | 177 | 177 | 177 |
Best forecast wave conditions in KwaZulu-Natal North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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