Surf Forecasts:
How big are the waves at Kosi Bay today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 5.5ft (1.7m), 12s period with SE swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 5ft (1.6m), 12s period with SE swell.
- Evening surf: Evening surf (21 Jul, local time) - 5ft (1.5m), 12s period with SE swell.
The current surf forecast for Kosi Bay at 4PM is: 1.6m 12s primary swell from a Southeast direction and 0.3m 9s secondary swell from a South-southwest direction (forecast issued at 01:00pm July 21). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 5.5ft (1.7m) | 12s |
| Afternoon (21 Jul) | 5ft (1.6m) | 12s |
| Evening (21 Jul) | 5ft (1.5m) | 12s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 24°C on Thu afternoon, min 19°C on Thu morning). Mainly strong winds. | |||||||||||||||||||||
Tue 21 | Wednesday 22 | Thursday 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) | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 822 | 694 | 666 | 614 | 614 | 551 | 551 | 503 | 511 | 416 | 416 | 416 | 361 | 314 | 272 | 272 | 232 | 197 | 197 | 164 | 134 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | cross | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:30PM1.64m | 8:45AM1.48m | 9:27PM1.48m | 10:00AM1.35m | |||||||||||||||||
Low Tide | 2:09PM0.56m | 2:44AM0.72m | 3:00PM0.73m | 3:51AM0.84m | 4:22PM0.85m | ||||||||||||||||
 | | |  | | | |  | | | | | |  | | | | | | | | |
 | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — |
 | — | — | 5:15 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 23 | 22 | 22 | 21 | 21 | 20 | 20 | 22 | 23 | 22 | 22 | 21 | 21 | 20 | 19 | 22 | 24 | 22 | 22 | 21 |
Feels °C | 23 | 22 | 20 | 21 | 21 | 22 | 21 | 21 | 22 | 21 | 21 | 21 | 20 | 21 | 20 | 17 | 18 | 20 | 19 | 21 | 20 |
Swell 1 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 |
| kJ | 822 | 694 | 666 | 614 | 614 | 551 | 551 | 503 | 511 | 416 | 416 | 416 | 361 | 314 | 272 | 272 | 232 | 197 | 197 | 164 | 134 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | SSW 9 | E 9 | E 9 | E 9 | ENE 4 | ENE 4 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 16 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 14 | 14 | 15 | 14 | 14 | 13 | 9 | 6 | 53 | 82 | 78 | 73 | 69 | 63 | 36 | 35 | 18 | 48 | 47 | 43 | 71 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSW 13 | E 9 | S 9 | SSW 17 | SSW 17 | SSW 16 | SSW 17 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | — |
| kJ | 17 | 16 | 14 | 6 | 28 | 54 | 53 | 54 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | E 3 | E 4 | E 4 | — | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 5 | NE 5 | NNE 5 | NNE 5 | NNE 5 | NNE 6 | NNE 6 | NNE 6 | NNE 6 |
| kJ | — | — | — | 8 | 15 | 11 | — | 8 | 7 | 17 | 29 | 32 | 42 | 64 | 74 | 77 | 103 | 122 | 129 | 138 | 148 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 380 | 380 | 258 | 229 | 0 | 0 | 0 | 0 | 380 | 407 | 380 | 290 | 290 | 258 | 271 | 407 | 228 | 228 | 173 | 177 |
Best forecast wave conditions in KwaZulu-Natal North Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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