Surf Forecasts:
How big are the waves at Kosi Bay today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 11ft (3.5m), 9s period with SE swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 11ft (3.5m), 10s period with SE swell.
- Evening surf: Evening surf (12 Aug, local time) - 10ft (3.0m), 10s period with SE swell.
The current surf forecast for Kosi Bay at 9AM is: 3.5m 9s primary swell from a Southeast direction and 0.3m 15s secondary swell from a South-southwest direction, 0.5m 15s secondary swell from a South-southwest direction (forecast issued at 01:00am August 12). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 11ft (3.5m) | 9s |
| Afternoon (12 Aug) | 11ft (3.5m) | 10s |
| Evening (12 Aug) | 10ft (3.0m) | 10s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Wed morning. Very mild (max 19°C on Wed afternoon, min 16°C on Wed night). Winds decreasing (fresh winds from the SSE on Wed morning, light winds from the S by Fri night). | ||||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||||||||||||
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) | 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 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2503 | 2226 | 2133 | 2422 | 2369 | 2140 | 1838 | 1672 | 1457 | 1291 | 1079 | 1002 | 844 | 688 | 323 | 604 | 575 | 486 | 541 | 512 | 588 | 646 | 806 | 776 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | cross-on |
High Tide | 3:26AM2.04m | 3:47PM2.17m | 4:02AM2.16m | 4:23PM2.29m | 4:36AM2.21m | 4:57PM2.33m | ||||||||||||||||||
Low Tide | 9:32AM0.12m | 9:54PM0.10m | 10:08AM-0.01m | 10:30PM0.04m | 10:42AM-0.07m | |||||||||||||||||||
 | |  | | |  |  | | | | |  |  | | |  |  | | |  | | | | | |
 | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:27 | — | — |
mm | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 17 | 17 | 18 | 19 | 19 | 18 | 17 | 16 | 16 | 16 | 19 | 19 | 18 | 18 | 19 | 18 | 18 | 17 | 19 | 19 | 19 | 19 | 19 |
Feels °C | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 14 | 13 | 12 | 12 | 14 | 14 | 14 | 15 | 16 | 15 | 15 | 14 | 15 | 16 | 17 | 17 | 18 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 14 | SSW 15 | SE 12 | SSW 14 | SSW 13 | S 25 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | E 9 | S 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 |
| kJ | 71 | 70 | 44 | 37 | 73 | 147 | 12 | 1672 | 1457 | 1291 | 1079 | 1002 | 844 | 688 | 318 | 94 | 575 | 486 | 541 | 512 | 588 | 646 | 806 | 776 |
Swell 2 Height (m) Direction Period (s) | SSW 11 | SSW 11 | SSW 15 | ESE 12 | — | — | S 24 | S 16 | S 16 | S 22 | S 15 | S 14 | S 14 | S 11 | S 11 | E 11 | S 10 | S 9 | SSW 20 | SSW 19 | SSW 18 | S 10 | S 17 | — |
| kJ | 24 | 70 | 121 | 57 | — | — | 12 | 20 | 20 | 9 | 38 | 37 | 36 | 64 | 82 | 39 | 90 | 62 | 38 | 74 | 63 | 18 | 6 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | SW 13 | — | — | — | S 24 | SW 24 | SSW 15 | S 22 | S 22 | S 20 | E 11 | E 11 | SSW 22 | SSW 22 | SSW 21 | S 16 | S 10 | S 12 | SSW 18 | S 12 | SSW 16 |
| kJ | — | — | — | 45 | — | — | — | 11 | 22 | 45 | 9 | 9 | 8 | 22 | 39 | 50 | 45 | 44 | 5 | 31 | 3 | 31 | 3 | 51 |
Wind waves Height (m) Direction Period (s) | SE 9 | SE 10 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | — | — | — | — | — | — | — | SE 9 | ESE 9 | — | — | — | — | — | — | — | — |
| kJ | 2503 | 2226 | 2133 | 2422 | 2369 | 2140 | 1838 | — | — | — | — | — | — | — | 323 | 604 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1135 | 431 | 432 | 1252 | 1252 | 1252 | 363 | 258 | 258 | 177 | 177 | 228 | 228 | 177 | 258 | 228 | 144 | 177 | 144 | 144 | 380 | 380 | 271 | 229 |
Best forecast wave conditions in KwaZulu-Natal North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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