Surf Forecasts:
How big are the waves at Kosi Bay today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2ft (0.6m), 16s period with S swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.8m), 16s period with SSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 3ft (0.9m), 13s period with S swell.
The current surf forecast for Kosi Bay at 4PM is: 0.8m 14s primary swell from a South-southwest direction and 0.8m 7s secondary swell from a South-southeast direction (forecast issued at 01:00pm August 21). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2ft (0.6m) | 16s |
| Afternoon (21 Aug) | 2.5ft (0.8m) | 16s |
| Evening (21 Aug) | 3ft (0.9m) | 13s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Sat afternoon, min 18°C on Sun night). Winds increasing (light winds from the NE on Fri night, strong winds from the SSW by Sat night). | |||||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||
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) | SSW 16 | SSW 16 | SSW 14 | S 13 | S 13 | S 9 | S 12 | S 11 | S 11 | S 11 | S 10 | S 10 | SSW 16 | S 6 | S 7 | S 9 | S 9 | S 10 | S 10 | S 10 | S 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 273 | 333 | 254 | 285 | 272 | 59 | 129 | 114 | 82 | 79 | 53 | 49 | 84 | 247 | 843 | 1521 | 1809 | 1628 | 1137 | 891 | 614 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:18AM1.33m | 9:14PM1.28m | 11:22AM1.20m | 00:56AM1.30m | 1:42PM1.36m | ||||||||||||||||
Low Tide | 2:39PM0.90m | 4:16AM0.99m | 6:07PM0.98m | 7:24AM0.88m | 7:46PM0.81m | ||||||||||||||||
 | | |  | | |  |  | | | | | | |  | | | | | | | |
 | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 23 | 27 | 25 | 24 | 23 | 20 | 20 | 19 | 21 | 22 | 20 | 20 | 19 |
Feels °C | 22 | 21 | 20 | 22 | 23 | 22 | 21 | 21 | 22 | 25 | 23 | 23 | 22 | 15 | 15 | 14 | 15 | 17 | 16 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | S 7 | SSE 7 | SSW 14 | S 13 | S 13 | S 9 | S 12 | S 11 | S 11 | S 11 | S 10 | S 10 | NE 5 | NE 5 | NE 5 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 83 | 67 | 254 | 285 | 272 | 59 | 129 | 114 | 82 | 79 | 53 | 49 | 35 | 17 | 7 | 12 | 5 | 5 | 5 | 5 | 5 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSE 7 | E 8 | E 8 | SSW 12 | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 15 | S 10 | E 8 | E 8 | ENE 6 | ENE 6 | NE 6 | NE 6 | NE 6 | NE 6 |
| kJ | 273 | 333 | 54 | 19 | 19 | 50 | 18 | 18 | 19 | 21 | 12 | 47 | 50 | 12 | 12 | 3 | 3 | 1 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | — | — | E 8 | S 16 | S 16 | S 16 | SSW 16 | SSW 15 | E 8 | SSW 16 | — | — | — | NE 6 | — | — | — | NE 6 |
| kJ | 29 | 29 | 19 | — | — | 18 | 5 | 20 | 20 | 47 | 45 | 12 | 84 | — | — | — | 1 | — | — | — | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | NE 3 | NE 3 | NE 3 | NE 3 | NE 4 | NNE 4 | NNE 4 | NNE 4 | NE 4 | N 4 | S 6 | S 7 | S 9 | S 9 | S 10 | S 10 | S 10 | S 9 |
| kJ | — | — | — | 2 | 2 | 3 | 3 | 5 | 10 | 20 | 32 | 29 | 25 | 247 | 843 | 1521 | 1809 | 1628 | 1137 | 891 | 614 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 380 | 380 | 258 | 229 | 25 | 0 | 25 | 258 | 258 | 337 | 173 | 806 | 290 | 349 | 378 | 428 | 1051 | 661 | 297 | 177 |
Best forecast wave conditions in KwaZulu-Natal North Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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