Surf Forecasts:
How big are the waves at Kosi Bay today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 2.5ft (0.8m), 16s period with S swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 3.5ft (1.0m), 16s period with S swell.
- Evening surf: Evening surf (18 Jun, local time) - 3.5ft (1.1m), 15s period with S swell.
The current surf forecast for Kosi Bay at 5PM is: 1.0m 16s primary swell from a South direction and 0.6m 8s secondary swell from a East direction (forecast issued at 01:00pm June 18). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 2.5ft (0.8m) | 16s |
| Afternoon (18 Jun) | 3.5ft (1.0m) | 16s |
| Evening (18 Jun) | 3.5ft (1.1m) | 15s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Fri afternoon. Warm (max 23°C on Thu afternoon, min 19°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||||||
Thu 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 6 | S 6 | S 6 | S 7 | S 7 | S 7 | SSE 7 | SSE 7 | SSE 8 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 322 | 501 | 488 | 545 | 510 | 501 | 383 | 228 | 302 | 354 | 498 | 501 | 478 | 394 | 319 | 416 | 1058 | 876 | 847 | 730 | 648 | 553 | 469 | 394 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | cross-on | glassy | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross | cross |
High Tide | 6:11PM2.04m | 6:26AM1.91m | 6:59PM1.95m | 7:12AM1.79m | 7:49PM1.83m | |||||||||||||||||||
Low Tide | 11:53AM0.16m | 00:20AM0.31m | 12:38PM0.25m | 1:08AM0.44m | 1:24PM0.37m | 1:59AM0.57m | ||||||||||||||||||
 | | |  | |  | |  | | | | | |  |  |  |  | | | |  | | | | |
 | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — |
 | — | — | 5:02 | — | — | — | — | — | — | — | 5:02 | — | — | — | — | — | — | — | 5:02 | — | — | — | — | 5:02 |
mm | — | — | — | — | — | 1 | 1 | 1 | 1 | 3 | 1 | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 23 | 22 | 22 | 21 | 21 | 19 | 19 | 21 | 21 | 22 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 |
Feels °C | 24 | 24 | 22 | 22 | 22 | 21 | 16 | 16 | 17 | 17 | 17 | 17 | 16 | 17 | 17 | 17 | 19 | 18 | 19 | 19 | 19 | 20 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | E 8 | E 8 | E 8 | E 8 | SSW 14 | SSW 14 | SSW 14 | S 13 | E 9 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 |
| kJ | 322 | 501 | 488 | 545 | 510 | 501 | 383 | 21 | 21 | 12 | 12 | 68 | 66 | 61 | 158 | 6 | 1058 | 876 | 847 | 730 | 648 | 553 | 469 | 394 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | SSW 16 | SSW 16 | E 8 | E 9 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 9 | E 8 |
| kJ | 51 | 50 | 49 | 49 | 32 | 32 | 32 | — | 50 | 51 | 12 | 13 | 12 | 14 | 6 | 14 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | S 9 | — | SE 11 | SE 10 | SE 9 | SE 9 | SE 8 | — | — | — | E 7 | E 7 | E 7 | — | — | — | — | — | — | — | — | — | S 16 | S 16 |
| kJ | 38 | — | 5 | 4 | 3 | 3 | 3 | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | 5 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SSW 4 | S 6 | S 6 | S 6 | S 7 | S 7 | S 7 | SSE 7 | SSE 7 | SSE 8 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 13 | 228 | 302 | 354 | 498 | 501 | 478 | 394 | 319 | 416 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 380 | 345 | 228 | 0 | 0 | 290 | 290 | 349 | 429 | 431 | 360 | 319 | 228 | 177 | 177 | 228 | 1077 | 1077 | 927 | 258 | 25 | 25 | 25 |
Best forecast wave conditions in KwaZulu-Natal North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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