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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 am Thursday 30 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 1.9°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 3PM is: 2.2m 14s primary swell from a South direction and 0.4m 9s secondary swell from a East direction (forecast issued at 07:00am April 30). An open ocean swell of 0.9m 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 (30 Apr) | 8ft (2.5m) | 14s |
| Afternoon (30 Apr) | 7ft (2.2m) | 14s |
| Evening (30 Apr) | 6ft (1.8m) | 13s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Fri night. Warm (max 30°C on Fri afternoon, min 21°C on Thu morning). Winds decreasing (fresh winds from the NNE on Thu night, calm by Sat morning). | ||||||||||||||||||||||||
Thursday 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | SSW 18 | S 17 | S 16 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | |
3519 | 2964 | 2471 | 1918 | 1530 | 1218 | 961 | 726 | 496 | 403 | 276 | 214 | 340 | 610 | 635 | 794 | 713 | 779 | 581 | 503 | 503 | 324 | 277 | 352 | |
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-on | cross-on | cross-on | cross | cross | glassy | cross-on | cross-on | cross-on | on | glassy | |
High Tide | 3:11PM2.00m | 3:24AM2.13m | 3:38PM2.05m | 3:51AM2.13m | 4:05PM2.05m | |||||||||||||||||||
Low Tide | 9:06AM0.20m | 9:13PM0.18m | 9:33AM0.14m | 9:41PM0.14m | 9:59AM0.13m | 10:09PM0.15m | ||||||||||||||||||
 |  | | | |  | | | | |  | |  |  | | | | | | | | | |  | |
 | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | 6:13 |
 | — | — | — | — | 5:17 | — | — | — | — | — | — | — | 5:17 | — | — | — | — | — | — | — | 5:16 | — | — | 5:15 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 21 | 21 | 24 | 25 | 24 | 24 | 24 | 23 | 22 | 23 | 26 | 30 | 28 | 24 | 23 | 22 | 21 | 22 | 24 | 26 | 24 | 24 | 24 | 23 |
22 | 21 | 22 | 21 | 21 | 20 | 21 | 20 | 19 | 19 | 23 | 28 | 28 | 23 | 23 | 22 | 22 | 23 | 27 | 27 | 24 | 25 | 26 | 26 | |
Swell 1 Height (m) Direction Period (s) | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 11 | NNE 6 | S 16 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 |
 kJ | 3519 | 2964 | 2471 | 1918 | 1530 | 1218 | 961 | 726 | 496 | 403 | 276 | 214 | 196 | 87 | 635 | 794 | 713 | 779 | 581 | 503 | 503 | 324 | 277 | 352 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SSW 19 | SSW 18 | S 17 | NNE 5 | NNE 5 | NE 5 | NE 5 | NE 5 | S 18 | S 18 | S 18 | S 17 | S 16 |
| kJ | 45 | 44 | 42 | 27 | 27 | 15 | 15 | 15 | 15 | 15 | 15 | 124 | 340 | 610 | 37 | 17 | 8 | 5 | 6 | 56 | 55 | 55 | 140 | 84 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SSW 18 | SSW 18 | S 18 | SSW 16 | SSW 16 | S 16 | S 22 | SSW 15 | E 9 | E 9 | S 11 | S 11 | E 9 | E 9 | E 9 | E 9 | NE 5 | E 9 | E 9 | E 8 | E 8 |
| kJ | — | — | — | 31 | 31 | 6 | 52 | 26 | 21 | 9 | 21 | 15 | 15 | 149 | 112 | 15 | 14 | 14 | 14 | 7 | 14 | 13 | 12 | 12 |
Wind waves Height (m) Direction Period (s) | — | — | ENE 9 | NNE 4 | NNE 5 | NNE 5 | NNE 6 | NNE 6 | N 6 | N 6 | N 6 | NNE 6 | NNE 6 | S 4 | S 5 | SSE 5 | SSE 5 | — | — | — | NE 5 | E 4 | ENE 5 | — |
| kJ | — | — | 48 | 20 | 57 | 113 | 173 | 201 | 243 | 318 | 297 | 205 | 150 | 4 | 54 | 37 | 28 | — | — | — | 7 | 9 | 10 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 380 | 360 | 258 | 258 | 258 | 258 | 229 | 173 | 25 | 614 | 25 | 177 | 177 | 144 | 144 | 144 | 0 | 380 | 380 | 258 | 144 | 0 |
Best forecast wave conditions in KwaZulu-Natal North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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