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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 Saturday 25 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
27.2° C
(Which is 1.9°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: 1.8m 10s primary swell from a East-southeast direction and 0.4m 14s secondary swell from a South direction (forecast issued at 07:00pm April 25). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Apr) | 6ft (1.8m) | 10s |
| Afternoon (26 Apr) | 5ft (1.6m) | 10s |
| Evening (26 Apr) | 4.5ft (1.4m) | 10s |
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 Mon night. Warm (max 31°C on Mon afternoon, min 19°C on Tue morning). Winds increasing (light winds from the NNW on Sun morning, strong winds from the S by Mon night). | ||||||||||||||||||||||||
Sat 25 | Sunday 26 | Monday 27 | Tue 28 | |||||||||||||||||||||
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 9 | E 9 | E 10 | ESE 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 6 | S 7 | S 8 | S 8 | S 8 | S 8 | S 8 | |
352 | 449 | 552 | 680 | 740 | 740 | 598 | 523 | 502 | 423 | 370 | 322 | 282 | 282 | 276 | 276 | 230 | 377 | 657 | 699 | 658 | 675 | 527 | 454 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | |
High Tide | 00:13AM1.54m | 12:43PM1.50m | 1:14AM1.72m | 1:34PM1.66m | 1:55AM1.88m | |||||||||||||||||||
Low Tide | 5:28PM0.79m | 6:35AM0.75m | 6:48PM0.64m | 7:29AM0.58m | 7:36PM0.48m | 8:06AM0.42m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | |  |  | |  |  | | | |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — |
 | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:21 | — | — | — | — | — | — | 5:20 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | |
Temp °C | 24 | 23 | 23 | 22 | 21 | 22 | 26 | 27 | 25 | 25 | 24 | 24 | 23 | 23 | 29 | 31 | 24 | 23 | 23 | 22 | 20 | 20 | 19 | 19 |
23 | 23 | 23 | 22 | 21 | 22 | 26 | 26 | 25 | 26 | 25 | 25 | 23 | 22 | 28 | 31 | 21 | 18 | 19 | 18 | 17 | 17 | 16 | 16 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | E 9 | E 10 | ESE 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
 kJ | 352 | 449 | 552 | 680 | 740 | 740 | 598 | 523 | 502 | 423 | 370 | 322 | 282 | 282 | 276 | 276 | 230 | 230 | 225 | 193 | 185 | 181 | 260 | 268 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | SSW 11 | S 11 | S 14 | S 13 | SSW 13 | SSW 12 | S 12 | S 13 | S 13 | S 13 | S 11 | S 11 | S 14 | S 14 | NNE 5 | NNE 5 | NE 5 | NE 5 | S 13 | S 13 | — | — | — |
| kJ | 44 | 41 | 21 | 57 | 30 | 32 | 31 | 28 | 13 | 13 | 13 | 2 | 3 | 4 | 4 | 30 | 17 | 7 | 1 | 3 | 3 | — | — | — |
Swell 3 Height (m) Direction Period (s) | S 16 | S 15 | S 15 | — | — | — | — | — | S 16 | — | S 14 | S 14 | S 14 | S 12 | S 12 | S 14 | — | — | — | — | — | — | — | — |
| kJ | 5 | 17 | 17 | — | — | — | — | — | 5 | — | 4 | 4 | 4 | 3 | 3 | 4 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 4 | N 3 | NNE 3 | N 4 | N 4 | N 4 | N 3 | NNE 4 | NNE 4 | NNE 4 | NNE 4 | NNE 4 | NNE 5 | NNE 5 | NNE 5 | — | S 4 | S 6 | S 7 | S 8 | S 8 | S 8 | S 8 | S 8 |
| kJ | 17 | 4 | 7 | 9 | 9 | 6 | 4 | 10 | 13 | 19 | 26 | 37 | 45 | 47 | 42 | — | 58 | 377 | 657 | 699 | 658 | 675 | 527 | 454 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 380 | 258 | 25 | 25 | 0 | 0 | 25 | 290 | 380 | 337 | 271 | 258 | 258 | 229 | 25 | 0 | 290 | 290 | 290 | 349 | 378 | 337 | 1213 | 1213 |
Best forecast wave conditions in KwaZulu-Natal North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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