Surf Forecasts:
How big are the waves at Kosi Bay today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 4.5ft (1.3m), 9s period with ESE swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 4ft (1.2m), 9s period with ESE swell.
- Evening surf: Evening surf (18 Aug, local time) - 3.5ft (1.1m), 9s period with E swell.
The current surf forecast for Kosi Bay at 10AM is: 1.3m 9s primary swell from a East-southeast direction and 0.2m 10s secondary swell from a South-southeast direction (forecast issued at 01:00am August 18). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 4.5ft (1.3m) | 9s |
| Afternoon (18 Aug) | 4ft (1.2m) | 9s |
| Evening (18 Aug) | 3.5ft (1.1m) | 9s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Tue afternoon, min 18°C on Tue morning). Winds increasing (light winds from the N on Wed morning, fresh winds from the S by Thu afternoon). | ||||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||||
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) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | S 5 | S 7 | S 8 | S 8 | S 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 340 | 289 | 289 | 243 | 238 | 232 | 186 | 181 | 147 | 144 | 140 | 112 | 112 | 87 | 80 | 78 | 60 | 61 | 63 | 94 | 590 | 870 | 699 | 494 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | cross-off | cross-on | on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:35AM1.89m | 6:55PM1.86m | 7:04AM1.71m | 7:24PM1.67m | 7:34AM1.52m | 7:59PM1.46m | ||||||||||||||||||
Low Tide | 00:34AM0.32m | 12:44PM0.32m | 1:03AM0.48m | 1:13PM0.51m | 1:34AM0.65m | 1:46PM0.71m | ||||||||||||||||||
 | |  | | | | |  | | |  | | | | | | | | | | | |  | | |
 | — | 6:16 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 18 | 18 | 22 | 23 | 21 | 21 | 20 | 20 | 21 | 20 | 22 | 23 | 21 | 20 | 20 | 20 | 19 | 19 | 21 | 22 | 21 | 20 | 20 |
Feels °C | 20 | 19 | 19 | 22 | 23 | 21 | 21 | 19 | 20 | 21 | 20 | 22 | 21 | 19 | 18 | 19 | 18 | 16 | 16 | 17 | 17 | 17 | 16 | 18 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 8 | E 8 | E 8 | ESE 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 |
| kJ | 340 | 289 | 289 | 243 | 238 | 232 | 186 | 181 | 147 | 144 | 140 | 112 | 112 | 87 | 80 | 78 | 60 | 61 | 55 | 21 | 44 | 31 | 29 | 30 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | — | SW 18 | S 18 | SE 11 | S 5 | S 7 | SSW 7 | SSW 6 | SSW 6 | S 6 | SSW 15 | SSW 16 | SSW 16 | E 8 | E 8 | NNE 5 | SSW 16 | S 16 | S 16 |
| kJ | 9 | 9 | 9 | 9 | 9 | — | 12 | 6 | 5 | 20 | 23 | 15 | 13 | 7 | 3 | 23 | 24 | 25 | 63 | 46 | 11 | 24 | 20 | 5 |
Swell 3 Height (m) Direction Period (s) | S 12 | SW 11 | S 18 | S 17 | SW 17 | S 18 | SW 18 | SE 11 | S 17 | SSW 7 | SE 11 | SE 11 | S 10 | S 17 | SSW 15 | S 6 | S 6 | SSW 13 | SSW 16 | — | SSW 16 | NNE 5 | SW 14 | S 13 |
| kJ | 3 | 5 | 6 | 6 | 12 | 6 | 12 | 5 | 6 | 5 | 5 | 5 | 2 | 6 | 23 | 2 | 1 | 17 | 50 | — | 24 | 3 | 8 | 3 |
Wind waves Height (m) Direction Period (s) | N 2 | N 2 | — | — | — | — | S 3 | S 4 | S 5 | SSW 5 | — | — | NE 2 | NE 4 | NNE 4 | NNE 5 | N 5 | N 5 | SW 3 | S 5 | S 7 | S 8 | S 8 | S 8 |
| kJ | 1 | 1 | — | — | — | — | 8 | 18 | 22 | 30 | — | — | 1 | 12 | 34 | 54 | 80 | 100 | 2 | 94 | 590 | 870 | 699 | 494 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 1051 | 228 | 228 | 177 | 0 | 0 | 0 | 0 | 380 | 380 | 337 | 258 | 229 | 290 | 349 | 290 | 614 | 705 | 228 | 228 |
Best forecast wave conditions in KwaZulu-Natal North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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