Surf Forecasts:
How big are the waves at Kosi Bay today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 3.5ft (1.0m), 8s period with E swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 3.5ft (1.0m), 9s period with E swell.
- Evening surf: Evening surf (12 Sep, local time) - 3ft (0.9m), 9s period with E swell.
The current surf forecast for Kosi Bay at 1PM is: 1.0m 9s primary swell from a East direction and 0.3m 6s secondary swell from a South direction, 0.1m 5s secondary swell from a Northeast direction (forecast issued at 07:00am September 12). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 3.5ft (1.0m) | 8s |
| Afternoon (12 Sep) | 3.5ft (1.0m) | 9s |
| Evening (12 Sep) | 3ft (0.9m) | 9s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Sat morning, min 20°C on Sat night). Winds increasing (calm on Sat morning, fresh winds from the NE by Mon night). | |||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | |||||||||||||||||||||
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) | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 5 | ENE 5 | ENE 6 | SSW 18 | E 7 | E 7 | E 7 | ENE 7 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 143 | 143 | 119 | 148 | 125 | 127 | 127 | 127 | 101 | 152 | 123 | 73 | 78 | 133 | 141 | 113 | 167 | 178 | 153 | 230 | 428 | 529 | 418 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off |
High Tide | 4:29PM2.36m | 4:39AM2.24m | 4:56PM2.31m | 5:06AM2.18m | 5:22PM2.21m | ||||||||||||||||||
Low Tide | 10:16AM-0.09m | 10:35PM-0.02m | 10:44AM-0.07m | 11:03PM0.02m | 11:12AM0.01m | ||||||||||||||||||
 |  |  | | |  | | | | | | | | | | | |  | | | | |  | |
 | 5:50 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — |
 | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 21 | 23 | 23 | 22 | 21 | 20 | 20 | 20 | 21 | 23 | 23 | 21 | 21 | 21 | 20 | 20 | 21 | 22 | 22 | 22 | 22 | 22 |
Feels °C | 21 | 23 | 24 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 21 | 21 | 19 | 19 | 20 | 19 | 19 | 19 | 20 | 19 | 20 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | S 9 | S 9 | E 9 | E 6 | E 7 | E 7 | E 7 | SE 8 | SSW 15 | SSW 18 | E 8 |
| kJ | 143 | 143 | 119 | 148 | 125 | 127 | 127 | 127 | 101 | 152 | 123 | 73 | 54 | 54 | 53 | 113 | 167 | 178 | 153 | 55 | 21 | 60 | 418 |
Swell 2 Height (m) Direction Period (s) | SSW 5 | S 5 | S 6 | S 6 | S 13 | S 13 | S 12 | E 4 | S 9 | S 9 | S 9 | S 9 | SSW 20 | SSW 19 | S 9 | S 8 | SSE 8 | SSE 8 | SSE 8 | SSW 15 | S 18 | S 10 | SSW 17 |
| kJ | 7 | 7 | 5 | 2 | 14 | 13 | 25 | 10 | 27 | 57 | 56 | 56 | 78 | 69 | 38 | 37 | 39 | 22 | 22 | 22 | 26 | 7 | 57 |
Swell 3 Height (m) Direction Period (s) | S 16 | S 16 | SE 14 | S 14 | S 5 | SE 13 | SE 13 | S 10 | S 12 | SE 12 | S 12 | S 11 | S 11 | S 11 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | S 10 | S 10 | S 10 | S 10 |
| kJ | 21 | 19 | 8 | 16 | 2 | 7 | 7 | 17 | 12 | 6 | 11 | 22 | 22 | 21 | 65 | 109 | 93 | 53 | 52 | 8 | 7 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | NE 5 | NE 3 | NE 3 | NE 4 | NNE 4 | NE 5 | NNE 5 | NNE 4 | NE 5 | ENE 5 | ENE 5 | ENE 6 | NE 6 | NNE 6 | NNE 6 | NNE 5 | ENE 7 | E 8 | E 8 | NE 6 |
| kJ | — | — | — | 1 | 3 | 5 | 15 | 10 | 25 | 17 | 23 | 47 | 73 | 133 | 141 | 95 | 99 | 77 | 56 | 230 | 428 | 529 | 97 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 144 | 0 | 380 | 1206 | 1206 | 380 | 0 | 0 | 25 | 271 | 380 | 380 | 380 | 1142 | 1135 | 1135 | 1061 | 1061 | 1049 | 407 | 407 | 407 | 407 |
Best forecast wave conditions in KwaZulu-Natal North Coast | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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