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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 Wednesday 20 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
25.4° C
(Which is 1.1°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 11PM is: 1.1m 9s primary swell from a East-southeast direction and 0.8m 12s secondary swell from a South direction, 0.4m 11s secondary swell from a East-southeast direction (forecast issued at 07:00pm May 20). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | - | - |
| Afternoon (20 May) | 2ft (0.6m) | 13s |
| Evening (20 May) | 2.5ft (0.8m) | 12s |
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 2mm), mostly falling on Wed night. Warm (max 24°C on Fri afternoon, min 19°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSE 12 | SSE 12 | ESE 9 | ESE 9 | ESE 9 | E 8 | E 8 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 11 | E 11 | ESE 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | |
160 | 195 | 199 | 213 | 193 | 177 | 173 | 148 | 416 | 409 | 396 | 327 | 322 | 324 | 307 | 297 | 303 | 286 | 238 | 188 | 184 | 184 | 181 | 164 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross-on | cross-on | cross-on | on | cross-on | cross | cross | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 6:11PM1.94m | 6:30AM1.82m | 7:04PM1.80m | 7:24AM1.65m | 8:10PM1.66m | 8:34AM1.51m | ||||||||||||||||||
Low Tide | 00:21AM0.36m | 12:43PM0.38m | 1:16AM0.55m | 1:40PM0.53m | 2:26AM0.71m | |||||||||||||||||||
 |  | |  |  | | | |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — |
 | 5:06 | — | — | — | — | — | — | — | 5:06 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | 5:05 |
— | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 22 | 22 | 21 | 20 | 20 | 22 | 23 | 22 | 22 | 22 | 21 | 20 | 19 | 22 | 24 | 22 | 22 | 22 | 22 | 21 | 20 | 23 | 24 |
20 | 21 | 22 | 21 | 20 | 20 | 22 | 23 | 22 | 22 | 22 | 21 | 20 | 18 | 20 | 21 | 19 | 20 | 20 | 21 | 20 | 18 | 22 | 23 | |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SSE 12 | S 12 | ESE 9 | ESE 9 | E 8 | E 8 | E 8 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 11 | E 11 | ESE 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 |
 kJ | 160 | 195 | 180 | 213 | 193 | 177 | 173 | 127 | 416 | 409 | 396 | 327 | 322 | 324 | 307 | 297 | 303 | 286 | 238 | 188 | 184 | 184 | 181 | 164 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 9 | ESE 11 | SSE 12 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | S 7 | S 7 | SSE 7 | S 13 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 |
| kJ | 52 | 43 | 43 | 109 | 58 | 78 | 76 | 69 | 66 | 66 | 60 | 42 | 40 | 26 | 26 | 15 | 80 | 72 | 103 | 98 | 89 | 86 | 86 | 59 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 12 | E 12 | S 9 | SSE 12 | SSE 12 | SSE 11 | E 12 | S 17 | S 16 | S 16 | S 16 | S 15 | S 14 | S 14 | S 13 | S 10 | S 20 | S 20 | — | S 16 | S 15 | S 15 | S 14 |
| kJ | 61 | 26 | 47 | 63 | 109 | 77 | 70 | 148 | 94 | 130 | 124 | 118 | 106 | 66 | 60 | 55 | 2 | 8 | 7 | — | 5 | 4 | 17 | 16 |
Wind waves Height (m) Direction Period (s) | SSE 4 | SE 7 | ESE 9 | — | — | — | — | — | — | — | NE 3 | — | — | N 2 | N 3 | NNE 4 | NNE 4 | NNE 4 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | NNE 5 |
| kJ | 19 | 104 | 199 | — | — | — | — | — | — | — | 1 | — | — | 1 | 2 | 13 | 24 | 40 | 54 | 62 | 67 | 59 | 41 | 33 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 228 | 228 | 144 | 144 | 144 | 144 | 25 | 946 | 1049 | 798 | 0 | 0 | 0 | 0 | 271 | 380 | 337 | 258 | 258 | 229 | 173 | 144 | 0 | 25 |
Best forecast wave conditions in KwaZulu-Natal North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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