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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 Wednesday 13 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
25.9° C
(Which is 1.3°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 2PM is: 0.5m 13s primary swell from a South direction and 0.3m 16s secondary swell from a South-southwest direction (forecast issued at 07:00am May 13). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 1.5ft (0.4m) | 14s |
| Afternoon (13 May) | 1.5ft (0.5m) | 13s |
| Evening (13 May) | 2.5ft (0.7m) | 13s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 17mm), heaviest on Thu morning. Warm (max 29°C on Wed morning, min 20°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSW 14 | SSW 14 | S 13 | S 13 | S 13 | S 12 | SSW 14 | SSW 14 | S 16 | S 16 | S 14 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 16 | S 16 | S 16 | |
67 | 64 | 90 | 85 | 125 | 113 | 247 | 308 | 635 | 1004 | 1472 | 885 | 657 | 563 | 477 | 400 | 393 | 319 | 242 | 237 | 189 | 254 | 746 | 1004 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | glassy | cross-off | glassy | glassy | cross | cross | cross | glassy | cross-on | |
High Tide | 1:21PM1.73m | 1:42AM1.99m | 2:03PM1.89m | 2:23AM2.13m | 2:42PM2.02m | |||||||||||||||||||
Low Tide | 7:16AM0.49m | 7:23PM0.40m | 7:57AM0.31m | 8:05PM0.24m | 8:36AM0.17m | 8:46PM0.11m | ||||||||||||||||||
 |  | | | | | | |  |  | | | | |  | |  | |  | | | | | | |
 | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | 6:20 |
 | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:08 | — | — | — | — | — | — | — | 5:07 | — | — | 5:07 |
— | — | — | — | — | — | — | — | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | 1 | 2 | |
Temp °C | 24 | 24 | 29 | 28 | 25 | 24 | 24 | 23 | 22 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 23 | 24 | 23 | 23 | 23 | 20 |
20 | 21 | 27 | 26 | 24 | 23 | 22 | 20 | 21 | 20 | 22 | 22 | 23 | 23 | 24 | 25 | 24 | 24 | 26 | 24 | 23 | 24 | 26 | 19 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | S 13 | S 13 | S 13 | S 12 | SSW 14 | SSW 14 | S 16 | S 16 | S 14 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | E 6 | E 6 | S 11 | S 11 | S 11 | S 16 | S 16 |
 kJ | 67 | 64 | 90 | 85 | 125 | 113 | 247 | 308 | 635 | 1004 | 1472 | 885 | 657 | 563 | 477 | 400 | 393 | 95 | 95 | 237 | 189 | 189 | 746 | 1004 |
Swell 2 Height (m) Direction Period (s) | NE 4 | SSW 18 | NW 3 | SSW 16 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | E 7 | E 6 | E 6 | E 7 | SSW 16 | E 6 | E 6 | E 6 | S 12 | S 11 | SSW 16 | S 16 | S 16 | ENE 6 | E 6 |
| kJ | 5 | 62 | 2 | 53 | 6 | 6 | 6 | 6 | 6 | 23 | 76 | 84 | 86 | 89 | 69 | 83 | 92 | 319 | 242 | 50 | 127 | 254 | 95 | 81 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | E 8 | SSW 18 | NNE 6 | E 8 | S 16 | E 8 | E 8 | NE 6 | — | — | SSW 17 | S 16 | — | — | S 18 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | — | — | — | — |
| kJ | 64 | 5 | 61 | 4 | 5 | 47 | 5 | 5 | 6 | — | — | 101 | 135 | — | — | 6 | 25 | 26 | 25 | 85 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 3 | W 3 | WNW 3 | — | SSE 3 | SSE 4 | SE 4 | SE 5 | SE 6 | SSE 6 | — | — | — | E 7 | — | — | — | — | — | E 6 | ENE 6 | ENE 6 | — | — |
| kJ | 5 | 3 | 5 | — | 2 | 13 | 38 | 103 | 154 | 179 | — | — | — | 85 | — | — | — | — | — | 94 | 98 | 95 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 25 | 0 | 177 | 290 | 421 | 1101 | 349 | 344 | 297 | 258 | 229 | 229 | 173 | 173 | 144 | 0 | 0 | 0 | 0 | 407 | 228 | 144 | 0 | 228 |
Best forecast wave conditions in KwaZulu-Natal North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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