Surf Forecasts:
How big are the waves at Kosi Bay today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 5ft (1.5m), 9s period with E swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 4.5ft (1.3m), 9s period with E swell.
- Evening surf: Evening surf (11 Sep, local time) - 3.5ft (1.1m), 9s period with E swell.
The current surf forecast for Kosi Bay at 11AM is: 1.4m 9s primary swell from a East direction and 0.4m 10s secondary swell from a Southeast direction (forecast issued at 07:00am September 11). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 5ft (1.5m) | 9s |
| Afternoon (11 Sep) | 4.5ft (1.3m) | 9s |
| Evening (11 Sep) | 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 Fri morning, min 20°C on Fri morning). Winds increasing (light winds from the SSW on Sat morning, fresh winds from the ENE by Sun night). | |||||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | |||||||||||||||||||||
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 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 | ENE 9 | E 9 | E 9 | E 9 | E 9 | ENE 5 | ENE 6 | ENE 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 380 | 383 | 327 | 274 | 270 | 224 | 184 | 150 | 143 | 143 | 119 | 150 | 125 | 127 | 127 | 238 | 155 | 123 | 99 | 73 | 97 | 173 | 245 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | on | on | on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off |
High Tide | 4:00PM2.34m | 4:11AM2.24m | 4:29PM2.36m | 4:39AM2.24m | 4:56PM2.31m | ||||||||||||||||||
Low Tide | 9:46AM-0.04m | 10:07PM-0.01m | 10:16AM-0.09m | 10:35PM-0.02m | 10:44AM-0.07m | ||||||||||||||||||
 |  | | | | |  |  | |  | | | | | | | | | | | | | | |
 | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | 5:38 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 20 | 23 | 22 | 21 | 20 | 20 | 20 | 20 | 20 | 23 | 23 | 22 | 20 | 20 | 20 | 20 | 21 | 23 | 23 | 22 | 21 | 21 |
Feels °C | 19 | 20 | 23 | 21 | 22 | 22 | 22 | 21 | 21 | 21 | 24 | 22 | 21 | 19 | 21 | 20 | 19 | 19 | 20 | 20 | 20 | 18 | 20 |
Swell 1 Height (m) Direction Period (s) | 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 | ENE 9 | E 9 | E 9 | E 9 | E 9 | S 9 | S 8 | S 8 |
| kJ | 380 | 383 | 327 | 274 | 270 | 224 | 184 | 150 | 143 | 143 | 119 | 150 | 125 | 127 | 127 | 238 | 155 | 123 | 99 | 73 | 54 | 37 | 37 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SE 10 | SSE 9 | SSE 9 | SSE 9 | SSW 17 | S 17 | SSW 4 | S 4 | S 5 | S 5 | S 5 | S 13 | S 12 | S 10 | S 9 | S 9 | S 9 | S 9 | SSW 20 | SSW 19 | SSW 18 |
| kJ | 19 | 18 | 25 | 17 | 17 | 8 | 59 | 23 | 6 | 6 | 5 | 5 | 2 | 13 | 25 | 17 | 27 | 57 | 56 | 55 | 78 | 69 | 65 |
Swell 3 Height (m) Direction Period (s) | SSE 12 | SSE 11 | S 20 | SSW 19 | SSW 18 | SSW 18 | SE 11 | SE 9 | S 16 | S 16 | SE 14 | S 14 | S 13 | S 5 | SE 13 | S 12 | S 12 | SE 12 | S 12 | S 11 | S 11 | S 11 | S 11 |
| kJ | 13 | 13 | 8 | 37 | 32 | 31 | 4 | 3 | 21 | 19 | 8 | 16 | 14 | 2 | 7 | 12 | 12 | 5 | 11 | 10 | 22 | 21 | 21 |
Wind waves Height (m) Direction Period (s) | NNE 4 | NNE 4 | — | — | S 4 | S 4 | S 4 | S 4 | — | — | — | NE 5 | NE 3 | NE 3 | NE 4 | NNE 4 | NNE 5 | NNE 5 | NNE 5 | NE 5 | ENE 5 | ENE 6 | ENE 6 |
| kJ | 13 | 15 | — | — | 7 | 5 | 10 | 6 | — | — | — | 1 | 2 | 9 | 27 | 16 | 24 | 32 | 39 | 51 | 97 | 173 | 245 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 407 | 407 | 705 | 228 | 228 | 144 | 144 | 144 | 380 | 1101 | 380 | 380 | 0 | 258 | 258 | 271 | 380 | 1252 | 380 | 380 | 380 |
Best forecast wave conditions in KwaZulu-Natal North Coast | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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