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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 7 pm Monday 27 Apr 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
26.9° C
(Which is 1.7°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 1AM is: 2.4m 8s primary swell from a South direction and 1.0m 9s secondary swell from a East-southeast direction, 0.1m 13s secondary swell from a South direction (forecast issued at 07:00pm April 27). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 6.5ft (2.0m) | 11s |
| Afternoon (28 Apr) | 5.5ft (1.7m) | 11s |
| Evening (28 Apr) | 6.5ft (2.0m) | 6s |
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 6mm), mostly falling on Tue morning. Warm (max 25°C on Thu afternoon, min 19°C on Tue night). Winds decreasing (strong winds from the S on Mon night, calm by Wed night). | ||||||||||||||||||||||||
Mon 27 | Tuesday 28 | Wednesday 29 | Thu 30 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 10 | S 7 | S 8 | S 8 | S 8 | S 11 | S 11 | S 11 | S 7 | S 6 | S 13 | S 12 | S 12 | S 12 | S 13 | S 15 | S 16 | S 16 | S 15 | S 15 | S 14 | S 15 | S 15 | S 14 | |
235 | 677 | 826 | 701 | 675 | 980 | 769 | 673 | 280 | 318 | 1452 | 1462 | 1547 | 1681 | 2884 | 2868 | 4039 | 4121 | 3764 | 3616 | 2545 | 3131 | 2825 | 2310 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 1:55AM1.88m | 2:11PM1.81m | 2:27AM2.00m | 2:42PM1.92m | 2:57AM2.08m | |||||||||||||||||||
Low Tide | 7:36PM0.48m | 8:06AM0.42m | 8:12PM0.34m | 8:37AM0.29m | 8:44PM0.24m | 9:06AM0.20m | ||||||||||||||||||
 |  | | | |  | | | |  | | | |  | |  | | | |  | | | | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — |
 | 5:21 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:19 | — | — | — | — | — | — | 5:17 |
— | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 23 | 22 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 20 | 21 | 23 | 22 | 22 | 22 | 22 | 21 | 22 | 24 | 25 |
20 | 18 | 18 | 18 | 19 | 18 | 18 | 18 | 18 | 17 | 16 | 15 | 16 | 17 | 18 | 20 | 20 | 21 | 22 | 22 | 21 | 21 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 9 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | S 14 | S 15 | S 16 | S 16 | S 15 | S 15 | S 14 | S 15 | S 15 | S 14 |
 kJ | 235 | 225 | 193 | 189 | 185 | 185 | 227 | 227 | 181 | 149 | 110 | 110 | 110 | 86 | 2314 | 2868 | 4039 | 4121 | 3764 | 3616 | 2545 | 3131 | 2825 | 2310 |
Swell 2 Height (m) Direction Period (s) | NE 5 | NNE 5 | S 13 | S 13 | — | — | — | — | SSW 13 | — | — | — | — | — | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | S 18 | E 9 | E 9 | E 9 |
| kJ | 6 | 2 | 4 | 4 | — | — | — | — | 225 | — | — | — | — | — | 86 | 86 | 60 | 60 | 60 | 61 | 1183 | 44 | 27 | 27 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 9 | E 9 | — | — | — | E 9 | — | — | SSW 18 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 60 | 60 | — | — | — | 44 | — | — | 31 |
Wind waves Height (m) Direction Period (s) | S 5 | S 7 | S 8 | S 8 | S 8 | S 11 | S 11 | S 11 | S 7 | S 6 | S 13 | S 12 | S 12 | S 12 | S 13 | — | — | — | — | — | — | ENE 9 | NE 9 | N 4 |
| kJ | 170 | 677 | 826 | 701 | 675 | 980 | 769 | 673 | 280 | 318 | 1452 | 1462 | 1547 | 1681 | 2884 | — | — | — | — | — | — | 75 | 103 | 37 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 290 | 290 | 349 | 378 | 378 | 378 | 319 | 1242 | 1213 | 378 | 297 | 363 | 177 | 271 | 378 | 705 | 1051 | 230 | 0 | 0 | 0 | 258 | 271 | 258 |
Best forecast wave conditions in KwaZulu-Natal North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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