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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 am 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
27.0° C
(Which is 1.8°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 8AM is: 1.2m 10s primary swell from a East-southeast direction and 0.1m 14s secondary swell from a South direction (forecast issued at 01:00am April 27). An open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 4ft (1.2m) | 10s |
| Afternoon (27 Apr) | 4ft (1.2m) | 10s |
| Evening (27 Apr) | 8ft (2.4m) | 7s |
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 4mm), mostly falling on Mon night. Warm (max 31°C on Mon afternoon, min 19°C on Tue morning). Winds decreasing (strong winds from the S on Mon afternoon, calm by Wed night). | ||||||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 7 | S 7 | S 8 | S 8 | S 8 | S 7 | S 7 | S 7 | S 7 | S 13 | S 13 | S 13 | S 13 | S 15 | S 15 | S 17 | S 16 | S 15 | |
328 | 282 | 282 | 276 | 276 | 235 | 469 | 681 | 688 | 753 | 802 | 572 | 542 | 524 | 529 | 1699 | 1796 | 1949 | 2444 | 5270 | 4473 | 5605 | 5017 | 4358 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | on | on | glassy | |
High Tide | 1:14AM1.72m | 1:34PM1.66m | 1:55AM1.88m | 2:11PM1.81m | 2:27AM2.00m | 2:42PM1.92m | ||||||||||||||||||
Low Tide | 7:29AM0.58m | 7:36PM0.48m | 8:06AM0.42m | 8:12PM0.34m | 8:37AM0.29m | 8:44PM0.24m | ||||||||||||||||||
 | |  | | | |  | | |  |  | | |  | | | | |  | | | | | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:21 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:19 | — | — |
— | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 22 | 23 | 30 | 31 | 24 | 23 | 22 | 21 | 20 | 19 | 19 | 20 | 20 | 20 | 19 | 20 | 20 | 19 | 22 | 22 | 22 | 22 | 22 |
24 | 21 | 22 | 29 | 33 | 19 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 16 | 16 | 15 | 18 | 19 | 20 | 21 | 23 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | S 15 | S 15 | S 17 | S 16 | S 15 |
 kJ | 328 | 282 | 282 | 276 | 276 | 235 | 230 | 220 | 189 | 185 | 185 | 149 | 149 | 149 | 149 | 177 | 110 | 110 | 86 | 3728 | 4473 | 5605 | 5017 | 4358 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 14 | S 14 | NNE 5 | NNE 5 | NNE 5 | NE 5 | S 13 | — | — | — | — | — | S 13 | — | — | — | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 |
| kJ | 2 | 3 | 4 | 4 | 21 | 9 | 5 | 1 | 4 | — | — | — | — | — | 176 | — | — | — | 86 | 86 | 65 | 65 | 60 | 42 |
Swell 3 Height (m) Direction Period (s) | S 14 | S 14 | S 12 | S 12 | S 14 | — | — | — | S 15 | — | — | — | — | — | — | — | — | — | — | — | ESE 9 | — | — | — |
| kJ | 4 | 4 | 3 | 3 | 4 | — | — | — | 4 | — | — | — | — | — | — | — | — | — | — | — | 65 | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 4 | NNE 4 | NNE 5 | NNE 5 | — | S 5 | S 7 | S 7 | S 8 | S 8 | S 8 | S 7 | S 7 | S 7 | S 7 | S 13 | S 13 | S 13 | S 13 | S 15 | — | — | — | — |
| kJ | 33 | 29 | 25 | 25 | — | 90 | 469 | 681 | 688 | 753 | 802 | 572 | 542 | 524 | 529 | 1699 | 1796 | 1949 | 2444 | 5270 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 258 | 25 | 229 | 25 | 0 | 290 | 290 | 349 | 378 | 378 | 378 | 337 | 1242 | 1213 | 344 | 271 | 177 | 177 | 177 | 378 | 1050 | 177 | 230 | 0 |
Best forecast wave conditions in KwaZulu-Natal North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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