Surf Forecasts:
How big are the waves at Kosi Bay today (30 Jul):
- Morning surf: Morning surf (30 Jul, local time) - 6ft (1.9m), 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), 9s period with S swell.
The current surf forecast for Kosi Bay at 12PM is: 2.0m 9s primary swell from a South direction and 0.7m 9s secondary swell from a East direction, 0.3m 17s secondary swell from a South-southwest direction (forecast issued at 07:00am July 30). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jul) | 6ft (1.9m) | 9s |
| Afternoon (30 Jul) | 8ft (2.4m) | 9s |
| Evening (30 Jul) | 11ft (3.5m) | 9s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Fri night. Warm (max 21°C on Thu afternoon, min 14°C on Sat night). Winds decreasing (strong winds from the SSW on Fri afternoon, light winds from the SW by Sat night). | |||||||||||||||||||||||
Thursday 30 | Friday 31 | Saturday 1 | |||||||||||||||||||||
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) | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 10 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 619 | 580 | 627 | 656 | 1528 | 1960 | 2214 | 2307 | 2541 | 2631 | 2839 | 3092 | 2749 | 2033 | 2235 | 2117 | 1772 | 1596 | 1368 | 1312 | 1344 | 1284 | 1691 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | 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 | ||||||||||||||||||
 |  |  |  | |  | | | | | | | |  |  | | | | |  | | | | |
 | 6:30 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | — | 5:19 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — |
mm | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 17 | 20 | 21 | 19 | 18 | 17 | 16 | 17 | 20 | 21 | 19 | 19 | 18 | 18 | 16 | 16 | 19 | 20 | 20 | 18 | 16 |
Feels °C | 14 | 12 | 11 | 15 | 14 | 12 | 12 | 11 | 9 | 10 | 13 | 13 | 12 | 13 | 12 | 13 | 11 | 11 | 13 | 14 | 14 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | ESE 10 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | E 11 | SSW 17 | SSW 17 | SSW 17 | S 16 | S 16 | S 16 | SSW 15 | SSW 15 | SSE 10 |
| kJ | 78 | 78 | 79 | 60 | 63 | 50 | 51 | 51 | 35 | 40 | 43 | 40 | 41 | 63 | 30 | 28 | 27 | 20 | 5 | 5 | 22 | 21 | 1464 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 17 | SSW 16 | — | — | — | — | — | — | S 18 | — | SSW 18 | SSW 18 | ESE 11 | — | — | — | — | — | — | — | — |
| kJ | 51 | 52 | 56 | 90 | — | — | — | — | — | — | 25 | — | 30 | 30 | 25 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SW 13 | SSW 13 | — | SSW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 44 | 33 | — | 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | S 10 |
| kJ | 619 | 580 | 627 | 656 | 1528 | 1960 | 2214 | 2307 | 2541 | 2631 | 2839 | 3092 | 2749 | 2033 | 2235 | 2117 | 1772 | 1596 | 1368 | 1312 | 1344 | 1284 | 1691 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 290 | 290 | 428 | 1435 | 779 | 599 | 595 | 378 | 378 | 425 | 1235 | 1252 | 1252 | 378 | 378 | 319 | 337 | 297 | 507 | 1242 | 507 | 375 | 297 |
Best forecast wave conditions in KwaZulu-Natal North Coast | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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