Surf Forecasts:
How big are the waves at Kosi Bay today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2.5ft (0.7m), 8s period with E swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 7ft (2.1m), 7s period with S swell.
- Evening surf: Evening surf (20 Aug, local time) - 7ft (2.2m), 8s period with S swell.
The current surf forecast for Kosi Bay at 1AM is: 0.8m 8s primary swell from a East direction and 0.2m 16s secondary swell from a South-southwest direction (forecast issued at 07:00pm August 19). An open ocean swell of 1.2m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2.5ft (0.7m) | 8s |
| Afternoon (20 Aug) | 7ft (2.1m) | 7s |
| Evening (20 Aug) | 7ft (2.2m) | 8s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Sat afternoon, min 18°C on Thu night). Winds decreasing (fresh winds from the S on Thu afternoon, calm by Fri morning). | |||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | |||||||||||||||||
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) | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | S 6 | S 8 | S 8 | S 8 | S 7 | S 7 | S 16 | SSW 16 | SSW 16 | SSW 14 | S 13 | S 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 109 | 80 | 78 | 60 | 61 | 63 | 48 | 275 | 728 | 681 | 421 | 279 | 176 | 137 | 346 | 333 | 254 | 356 | 272 |
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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | glassy | cross-on | cross-on | cross-on | cross-on |
High Tide | 7:24PM1.67m | 7:34AM1.52m | 7:59PM1.46m | 8:18AM1.33m | 9:14PM1.28m | ||||||||||||||
Low Tide | 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 | 21 | 20 | 20 | 19 | 19 | 19 | 21 | 22 | 20 | 20 | 20 | 19 | 18 | 18 | 21 | 22 | 20 | 21 | 20 |
Feels °C | 19 | 19 | 18 | 17 | 16 | 17 | 18 | 17 | 16 | 17 | 18 | 18 | 18 | 19 | 22 | 22 | 19 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | 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 | S 7 | S 7 | SSE 7 | SSW 14 | S 13 | S 13 |
| kJ | 109 | 80 | 78 | 60 | 61 | 66 | 31 | 44 | 31 | 31 | 30 | 30 | 176 | 127 | 106 | 82 | 254 | 356 | 272 |
Swell 2 Height (m) Direction Period (s) | SSW 6 | S 6 | SSW 16 | SSW 16 | SSW 16 | E 8 | E 8 | NNE 5 | NE 5 | NNE 5 | SSW 14 | S 16 | E 8 | S 16 | SSW 16 | SSW 16 | SSE 7 | E 8 | E 8 |
| kJ | 7 | 3 | 24 | 50 | 25 | 63 | 46 | 15 | 7 | 3 | 19 | 21 | 30 | 137 | 346 | 333 | 63 | 29 | 18 |
Swell 3 Height (m) Direction Period (s) | S 17 | SSW 15 | S 6 | S 6 | SSW 13 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 14 | S 16 | SW 14 | SSW 17 | E 8 | E 8 | E 8 | E 8 | — | — |
| kJ | 6 | 23 | 3 | 1 | 17 | 50 | 48 | 48 | 24 | 19 | 21 | 7 | 54 | 30 | 29 | 29 | 19 | — | — |
Wind waves Height (m) Direction Period (s) | NNE 4 | NNE 4 | NNE 4 | N 5 | N 5 | — | SSW 4 | S 6 | S 8 | S 8 | S 8 | S 7 | — | — | — | — | — | — | — |
| kJ | 11 | 16 | 31 | 61 | 83 | — | 19 | 275 | 728 | 681 | 421 | 279 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 380 | 337 | 258 | 229 | 177 | 349 | 290 | 705 | 431 | 228 | 177 | 173 | 144 | 144 | 0 | 380 | 380 | 271 | 173 |
Best forecast wave conditions in KwaZulu-Natal North Coast | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Kosi Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest