Surf Forecasts:
How big are the waves at Kosi Bay today (17 Jun):
- Morning surf: Morning surf (17 Jun, local time) - 2.5ft (0.8m), 10s period with S swell.
- Afternoon surf: Afternoon surf (17 Jun, local time) - 1.5ft (0.5m), 16s period with S swell.
- Evening surf: Evening surf (17 Jun, local time) - 2ft (0.6m), 15s period with S swell.
The current surf forecast for Kosi Bay at 2PM is: 0.5m 16s primary swell from a South direction and 0.7m 10s secondary swell from a South direction (forecast issued at 07:00am June 17). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jun) | 2.5ft (0.8m) | 10s |
| Afternoon (17 Jun) | 1.5ft (0.5m) | 16s |
| Evening (17 Jun) | 2ft (0.6m) | 15s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Fri afternoon. Warm (max 23°C on Wed morning, min 19°C on Wed night). Winds increasing (calm on Wed night, fresh winds from the S by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | SSW 13 | S 6 | S 6 | S 7 | S 7 | SSE 7 | SSE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 159 | 123 | 130 | 129 | 177 | 218 | 155 | 150 | 144 | 306 | 322 | 501 | 488 | 545 | 510 | 501 | 467 | 299 | 205 | 301 | 392 | 331 | 332 | 316 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | on | on | glassy | glassy | cross-off | cross-off | glassy | cross-on | cross-on | cross | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:25PM2.09m | 5:43AM2.02m | 6:11PM2.04m | 6:26AM1.91m | 6:59PM1.95m | |||||||||||||||||||
Low Tide | 11:10AM0.11m | 11:34PM0.20m | 11:53AM0.16m | 00:20AM0.31m | 12:38PM0.25m | 1:08AM0.44m | ||||||||||||||||||
 |  |  | | | |  | | | | | | | | | | |  | | | |  | |  | |
 | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | 6:35 |
 | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:02 | — | — | — | — | — | — | — | 5:02 | — | — | 5:02 |
mm | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | 1 | 1 | — | 2 | 1 | — | 2 | — |
Temp °C | 19 | 20 | 23 | 23 | 22 | 22 | 21 | 20 | 19 | 19 | 21 | 23 | 22 | 22 | 21 | 20 | 19 | 19 | 21 | 21 | 22 | 21 | 20 | 20 |
Feels °C | 18 | 19 | 23 | 22 | 22 | 23 | 23 | 22 | 20 | 20 | 22 | 24 | 22 | 22 | 22 | 20 | 17 | 16 | 17 | 16 | 17 | 17 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | S 15 | S 15 | S 14 | S 14 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | SSW 13 | E 8 | E 8 | S 14 | SSW 14 | SSW 14 | S 13 |
| kJ | 159 | 123 | 130 | 96 | 89 | 218 | 155 | 150 | 144 | 306 | 322 | 501 | 488 | 545 | 510 | 501 | 467 | 299 | 21 | 21 | 103 | 69 | 65 | 87 |
Swell 2 Height (m) Direction Period (s) | E 6 | E 6 | E 6 | S 16 | S 16 | E 9 | E 9 | SSE 5 | SE 5 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 16 | SSW 16 | E 8 | E 8 | E 8 | E 8 |
| kJ | 31 | 20 | 20 | 129 | 177 | 41 | 40 | 9 | 15 | 64 | 62 | 54 | 49 | 49 | 34 | 33 | 32 | 21 | 50 | 51 | 21 | 21 | 12 | 12 |
Swell 3 Height (m) Direction Period (s) | S 15 | S 15 | S 16 | ESE 6 | E 9 | S 9 | SSE 5 | S 9 | S 9 | SE 11 | S 9 | SSE 8 | SE 11 | SE 10 | SSE 9 | SE 9 | SSE 8 | SE 8 | — | — | E 8 | — | — | S 12 |
| kJ | 18 | 41 | 84 | 13 | 43 | 40 | 14 | 41 | 24 | 5 | 38 | 7 | 5 | 4 | 8 | 3 | 7 | 3 | — | — | 21 | — | — | 23 |
Wind waves Height (m) Direction Period (s) | — | SW 3 | — | — | — | ESE 5 | ESE 5 | SE 5 | — | — | — | — | — | — | — | — | SW 3 | S 4 | S 6 | S 6 | S 7 | S 7 | SSE 7 | SSE 7 |
| kJ | — | 2 | — | — | — | 7 | 25 | 17 | — | — | — | — | — | — | — | — | 4 | 36 | 205 | 301 | 392 | 331 | 332 | 316 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 25 | 173 | 228 | 661 | 337 | 258 | 0 | 0 | 0 | 0 | 0 | 173 | 375 | 228 | 0 | 0 | 290 | 290 | 349 | 642 | 614 | 425 | 297 | 228 |
Best forecast wave conditions in KwaZulu-Natal North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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