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Kosi Bay Surf Forecast
/ KZN North (23 surf breaks) /
Surf Forecasts:
Kosi Bay surfForecast / KZN North / South Africa
48hr Weather and Surf, issued 1 pm Saturday 16 May 2026 SASTForecast update in hr min s Forecast update imminent
Kosi Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kosi Bay sea temperature is
25.6° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Kosi Bay today?
The current surf forecast for Kosi Bay at 10PM is: 1.1m 14s primary swell from a South direction and 0.6m 7s secondary swell from a East direction, 1.6m 6s secondary swell from a South direction (forecast issued at 01:00pm May 16). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 4.5ft (1.4m) | 15s |
| Afternoon (16 May) | 4.5ft (1.3m) | 14s |
| Evening (16 May) | 3.5ft (1.1m) | 14s |
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 5mm), mostly falling on Sat night. Warm (max 23°C on Sat afternoon, min 20°C on Sun morning). Winds decreasing (fresh winds from the S on Sat afternoon, calm by Tue morning). | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 15 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | E 7 | E 7 | S 12 | S 13 | S 13 | S 14 | S 12 | S 12 | S 14 | S 13 | S 13 | S 12 | |
2289 | 723 | 602 | 585 | 453 | 427 | 350 | 572 | 335 | 398 | 290 | 232 | 103 | 103 | 148 | 352 | 352 | 388 | 190 | 190 | 316 | 264 | 206 | 181 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross | cross | off | cross-off | off | cross-off | cross | cross | cross | cross-off | cross-off | off | glassy | |
High Tide | 3:21PM2.11m | 3:41AM2.26m | 4:01PM2.15m | 4:21AM2.22m | 4:41PM2.13m | 5:02AM2.13m | ||||||||||||||||||
Low Tide | 9:14AM0.07m | 9:26PM0.03m | 9:53AM0.03m | 10:07PM0.02m | 10:32AM0.05m | 10:49PM0.08m | ||||||||||||||||||
 |  | |  | |  | |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:22 | — |
 | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | 5:07 |
— | — | — | — | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 22 | 21 | 21 | 21 | 20 | 22 | 22 | 22 | 22 | 22 | 21 | 20 | 20 | 22 | 23 | 22 | 22 | 22 | 22 | 20 | 20 |
19 | 18 | 19 | 19 | 19 | 20 | 20 | 20 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 22 | 22 | 21 | 21 | 21 | 22 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | E 6 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | E 7 | E 7 | E 7 | S 13 | S 13 | S 14 | S 12 | ENE 8 | S 14 | E 7 | E 7 | E 7 |
 kJ | 38 | 723 | 602 | 585 | 453 | 427 | 350 | 572 | 335 | 398 | 290 | 232 | 103 | 103 | 81 | 352 | 352 | 388 | 190 | 94 | 316 | 100 | 103 | 83 |
Swell 2 Height (m) Direction Period (s) | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 | E 6 | E 6 | E 7 | S 15 | S 10 | S 10 | S 12 | E 7 | E 7 | E 7 | E 7 | S 12 | E 8 | S 13 | S 13 | S 12 |
| kJ | 37 | 31 | 32 | 31 | 31 | 43 | 43 | 53 | 68 | 68 | 74 | 39 | 94 | 94 | 148 | 81 | 66 | 68 | 53 | 190 | 90 | 264 | 206 | 181 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | E 6 | S 6 | S 6 | — | — | — | S 12 | S 12 | S 10 | — | — | SE 6 | S 15 | S 15 | SE 7 | — | S 13 | SSE 16 |
| kJ | — | — | — | — | — | — | 54 | 50 | 26 | — | — | — | 75 | 76 | 66 | — | — | 15 | 112 | 110 | 16 | — | 90 | 25 |
Wind waves Height (m) Direction Period (s) | S 15 | S 6 | S 7 | S 7 | S 6 | S 6 | S 6 | — | — | — | — | E 7 | — | — | — | — | — | — | NE 3 | — | — | — | — | — |
| kJ | 2289 | 332 | 353 | 289 | 188 | 109 | 74 | — | — | — | — | 97 | — | — | — | — | — | — | 3 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 360 | 407 | 228 | 228 | 177 | 177 | 144 | 144 | 173 | 927 | 380 | 380 | 25 | 0 | 0 | 0 | 0 | 380 | 380 | 363 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in KwaZulu-Natal North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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