Surf Forecasts:
How big are the waves at Kosi Bay today (30 Jul):
- Morning surf: Morning surf (30 Jul, local time) - 6.5ft (2.0m), 9s period with S swell.
- Afternoon surf: Afternoon surf (30 Jul, local time) - 8ft (2.4m), 9s period with S swell.
- Evening surf: Evening surf (30 Jul, local time) - 11ft (3.5m), 10s period with S swell.
The current surf forecast for Kosi Bay at 9PM is: 3.5m 10s primary swell from a South direction and 0.5m 10s secondary swell from a East direction (forecast issued at 01:00pm July 30). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jul) | 6.5ft (2.0m) | 9s |
| Afternoon (30 Jul) | 8ft (2.4m) | 9s |
| Evening (30 Jul) | 11ft (3.5m) | 10s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Fri night. Warm (max 22°C on Thu afternoon, min 14°C on Sun morning). Winds decreasing (strong winds from the S on Thu afternoon, light winds from the SSW by Sun morning). | |||||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | |||||||||||||||||||
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) | S 9 | S 9 | S 9 | S 9 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | SE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 623 | 656 | 1528 | 2124 | 2262 | 2260 | 2260 | 2140 | 2408 | 2437 | 2322 | 2003 | 1908 | 999 | 1810 | 1701 | 1596 | 1596 | 1631 | 1701 | 2119 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross |
High Tide | 4:35PM2.07m | 4:44AM2.08m | 5:03PM2.13m | 5:12AM2.10m | 5:31PM2.16m | ||||||||||||||||
Low Tide | 10:24AM0.16m | 10:38PM0.20m | 10:51AM0.10m | 11:07PM0.17m | 11:19AM0.08m | ||||||||||||||||
 |  | |  |  | |  | |  | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | 5:19 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 22 | 21 | 19 | 18 | 17 | 16 | 17 | 20 | 21 | 20 | 19 | 18 | 17 | 16 | 16 | 19 | 20 | 20 | 19 | 16 |
Feels °C | 13 | 17 | 13 | 11 | 12 | 11 | 9 | 10 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 10 | 13 | 14 | 14 | 14 | 11 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 11 | E 12 | ESE 11 | ESE 11 | E 11 | ESE 10 | SE 10 | S 16 | S 16 | S 16 | SSW 16 | S 16 | SW 15 | SSE 10 |
| kJ | 79 | 60 | 63 | 50 | 51 | 51 | 53 | 57 | 67 | 40 | 39 | 62 | 35 | 999 | 21 | 20 | 5 | 25 | 5 | 9 | 1808 |
Swell 2 Height (m) Direction Period (s) | SSW 17 | SSW 16 | — | — | — | — | — | — | S 18 | S 18 | SSW 18 | SSW 18 | SSW 18 | S 17 | — | — | — | — | — | — | — |
| kJ | 56 | 90 | — | — | — | — | — | — | 25 | 25 | 30 | 30 | 30 | 22 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | SSW 9 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 10 |
| kJ | 623 | 656 | 1528 | 2124 | 2262 | 2260 | 2260 | 2140 | 2408 | 2437 | 2322 | 2003 | 1908 | 882 | 1810 | 1701 | 1596 | 1596 | 1631 | 1701 | 2119 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 428 | 1435 | 779 | 614 | 431 | 425 | 378 | 378 | 1235 | 1252 | 1252 | 378 | 378 | 337 | 344 | 319 | 516 | 428 | 428 | 375 | 297 |
Best forecast wave conditions in KwaZulu-Natal North Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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