Surf Forecasts:
How big are the waves at Kosi Bay today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 3.5ft (1.0m), 8s period with E swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 3ft (0.9m), 8s period with ESE swell.
- Evening surf: Evening surf (19 Aug, local time) - 2.5ft (0.8m), 8s period with E swell.
The current surf forecast for Kosi Bay at 6PM is: 0.9m 8s primary swell from a East-southeast direction and 0.3m 6s secondary swell from a South direction (forecast issued at 01:00pm August 19). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 3.5ft (1.0m) | 8s |
| Afternoon (19 Aug) | 3ft (0.9m) | 8s |
| Evening (19 Aug) | 2.5ft (0.8m) | 8s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Wed afternoon, min 18°C on Fri morning). Winds decreasing (fresh winds from the S on Thu afternoon, light winds from the SE by Fri morning). | |||||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | |||||||||||||||||||
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) | E 8 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | S 6 | S 8 | S 8 | S 8 | S 8 | S 7 | S 16 | SSW 16 | SSW 16 | SSW 14 | S 13 | SSE 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 137 | 112 | 109 | 80 | 78 | 60 | 61 | 63 | 48 | 275 | 766 | 697 | 432 | 287 | 209 | 198 | 350 | 416 | 331 | 440 | 356 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | on | cross-on | cross-on | cross-on | cross |
High Tide | 7:24PM1.67m | 7:34AM1.52m | 7:59PM1.46m | 8:18AM1.33m | 9:14PM1.28m | ||||||||||||||||
Low Tide | 1:13PM0.51m | 1:34AM0.65m | 1:46PM0.71m | 2:15AM0.84m | 2:39PM0.90m | ||||||||||||||||
 | | |  | | | | |  | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | 5:29 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 23 | 21 | 20 | 20 | 19 | 19 | 19 | 21 | 22 | 20 | 20 | 19 | 19 | 19 | 18 | 21 | 21 | 20 | 20 | 20 |
Feels °C | 22 | 21 | 19 | 19 | 19 | 17 | 16 | 17 | 18 | 17 | 15 | 16 | 17 | 18 | 18 | 18 | 21 | 20 | 19 | 19 | 21 |
Swell 1 Height (m) Direction Period (s) | E 8 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | N 5 | NNE 5 | E 8 | E 8 | E 8 | E 8 | E 8 | S 7 | SSE 7 | SSE 7 | SSE 7 | SSW 14 | S 13 | SSE 13 |
| kJ | 137 | 112 | 109 | 80 | 78 | 60 | 61 | 66 | 32 | 44 | 31 | 31 | 30 | 30 | 209 | 156 | 132 | 105 | 331 | 440 | 356 |
Swell 2 Height (m) Direction Period (s) | SSW 7 | SSW 6 | SSW 6 | S 6 | SSW 16 | SSW 14 | SSW 16 | E 8 | E 8 | NNE 5 | NE 5 | NNE 5 | SSW 14 | S 16 | E 8 | S 16 | SSW 16 | SSW 16 | S 7 | E 8 | E 8 |
| kJ | 15 | 7 | 7 | 3 | 24 | 18 | 25 | 63 | 46 | 16 | 7 | 3 | 19 | 20 | 29 | 198 | 350 | 416 | 37 | 19 | 18 |
Swell 3 Height (m) Direction Period (s) | SE 11 | SE 10 | S 17 | SSW 15 | S 6 | S 16 | SSW 13 | SSW 16 | SSW 16 | — | SSW 16 | S 16 | S 16 | SW 13 | SSW 17 | E 8 | E 8 | E 8 | E 8 | — | — |
| kJ | 5 | 4 | 6 | 23 | 3 | 21 | 17 | 50 | 48 | — | 48 | 21 | 21 | 7 | 54 | 29 | 30 | 29 | 29 | — | — |
Wind waves Height (m) Direction Period (s) | — | NE 2 | NNE 3 | NNE 4 | NNE 4 | N 5 | N 5 | — | S 4 | S 6 | S 8 | S 8 | S 8 | S 8 | — | — | — | — | SE 6 | — | — |
| kJ | — | 2 | 10 | 22 | 31 | 64 | 100 | — | 13 | 275 | 766 | 697 | 432 | 287 | — | — | — | — | 30 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 380 | 380 | 337 | 258 | 229 | 144 | 349 | 290 | 1051 | 507 | 297 | 228 | 228 | 144 | 144 | 380 | 380 | 380 | 271 | 421 |
Best forecast wave conditions in KwaZulu-Natal North Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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