Surf Forecasts:
How big are the waves at Kosi Bay today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 5.5ft (1.7m), 9s period with E swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 5ft (1.5m), 9s period with E swell.
- Evening surf: Evening surf (10 Sep, local time) - 5ft (1.5m), 9s period with E swell.
The current surf forecast for Kosi Bay at 1PM is: 1.5m 9s primary swell from a East direction and 0.7m 11s secondary swell from a South-southeast direction (forecast issued at 07:00am September 10). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 5.5ft (1.7m) | 9s |
| Afternoon (10 Sep) | 5ft (1.5m) | 9s |
| Evening (10 Sep) | 5ft (1.5m) | 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 19°C on Thu morning). Wind will be generally light. | |||||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | |||||||||||||||||||||
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 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 529 | 502 | 436 | 365 | 430 | 364 | 356 | 364 | 380 | 388 | 375 | 318 | 275 | 224 | 184 | 146 | 143 | 143 | 146 | 153 | 127 | 127 | 101 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | on | on | on | cross-on | cross-on | cross | cross | cross | glassy | cross-on | cross | cross | cross-off |
High Tide | 3:29PM2.25m | 3:42AM2.19m | 4:00PM2.34m | 4:11AM2.24m | 4:29PM2.36m | ||||||||||||||||||
Low Tide | 9:15AM0.07m | 9:36PM0.06m | 9:46AM-0.04m | 10:07PM-0.01m | 10:16AM-0.09m | 10:35PM-0.02m | |||||||||||||||||
 |  | | | | | | | | | | | | | |  | |  | | | | | | |
 | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | — | 5:38 | — | — | — | — | — | — | — | 5:38 | — | — | — | — | — | — | — | 5:39 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 19 | 21 | 22 | 21 | 20 | 20 | 20 | 19 | 20 | 22 | 22 | 22 | 21 | 20 | 19 | 19 | 20 | 23 | 22 | 21 | 21 | 20 |
Feels °C | 19 | 19 | 19 | 18 | 18 | 18 | 20 | 20 | 19 | 21 | 22 | 21 | 23 | 23 | 21 | 20 | 20 | 21 | 25 | 21 | 20 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 529 | 502 | 436 | 365 | 430 | 364 | 356 | 364 | 380 | 388 | 375 | 318 | 275 | 224 | 184 | 146 | 143 | 143 | 146 | 153 | 127 | 127 | 101 |
Swell 2 Height (m) Direction Period (s) | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSW 18 | SSW 17 | S 17 | SSW 5 | S 4 | S 6 | S 14 | S 13 | S 13 | S 12 |
| kJ | 133 | 130 | 128 | 97 | 95 | 60 | 58 | 39 | 19 | 18 | 19 | 17 | 9 | 31 | 59 | 23 | 8 | 3 | 2 | 15 | 14 | 29 | 25 |
Swell 3 Height (m) Direction Period (s) | S 17 | S 17 | — | S 17 | S 16 | S 16 | — | S 14 | SSE 12 | SSE 11 | S 20 | SSW 19 | SSW 18 | SSE 9 | SE 11 | SE 9 | S 16 | S 16 | SSE 14 | SE 14 | SE 13 | SE 13 | SE 13 |
| kJ | 6 | 6 | — | 5 | 5 | 5 | — | 4 | 13 | 13 | 8 | 37 | 32 | 9 | 5 | 3 | 21 | 19 | 20 | 7 | 7 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | NNW 2 | NE 4 | NE 4 | — | — | — | — | NNE 5 | — | — | S 4 | S 5 | S 5 | S 5 | — | — | — | NE 2 | NE 3 | NE 4 | ENE 4 |
| kJ | — | — | 1 | 15 | 10 | — | — | — | — | 24 | — | — | 17 | 20 | 18 | 13 | — | — | — | 1 | 5 | 14 | 35 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 407 | 407 | 407 | 338 | 0 | 0 | 0 | 0 | 407 | 407 | 407 | 228 | 177 | 177 | 173 | 173 | 0 | 407 | 1416 | 407 | 25 |
Best forecast wave conditions in KwaZulu-Natal North Coast | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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