- Forecast
- Maps
- Live
- Weather State
- Spot Information
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 Tuesday 12 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 1.2°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 2AM is: 0.4m 18s primary swell from a South-southwest direction and 0.4m 5s secondary swell from a Northeast direction, 0.4m 14s secondary swell from a South-southwest direction (forecast issued at 07:00pm May 12). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| 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 ForecastLight rain (total 8mm), mostly falling on Wed night. Warm (max 29°C on Wed morning, min 20°C on Thu night). Winds decreasing (fresh winds from the SSE on Wed night, calm by Thu night). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 | SSW 18 | S 18 | SSW 18 | SSW 14 | SSW 14 | SSW 18 | SSW 13 | S 13 | S 13 | SSW 14 | SSW 14 | S 17 | S 16 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | |
14 | 66 | 162 | 109 | 67 | 63 | 60 | 55 | 126 | 115 | 254 | 313 | 700 | 1241 | 1806 | 860 | 667 | 563 | 477 | 400 | 393 | 303 | 237 | 233 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | on | on | on | cross-on | on | on | on | on | on | on | cross-on | glassy | glassy | cross | glassy | cross | cross | |
High Tide | 00:59AM1.81m | 1:21PM1.73m | 1:42AM1.99m | 2:03PM1.89m | 2:23AM2.13m | |||||||||||||||||||
Low Tide | 6:36PM0.57m | 7:16AM0.49m | 7:23PM0.40m | 7:57AM0.31m | 8:05PM0.24m | 8:36AM0.17m | ||||||||||||||||||
 |  | | | | | | | | | | |  |  |  | | |  | | | | | | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — |
 | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:08 | — | — | — | — | — | — | 5:07 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | |
Temp °C | 30 | 28 | 26 | 23 | 23 | 23 | 29 | 29 | 25 | 24 | 24 | 23 | 22 | 21 | 22 | 22 | 22 | 22 | 22 | 21 | 20 | 21 | 23 | 24 |
26 | 23 | 21 | 19 | 20 | 20 | 26 | 28 | 24 | 22 | 21 | 20 | 19 | 20 | 21 | 22 | 23 | 22 | 25 | 23 | 22 | 23 | 25 | 24 | |
Swell 1 Height (m) Direction Period (s) | S 8 | NNE 5 | NE 5 | NE 5 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 13 | S 13 | SSW 14 | SSW 14 | S 17 | S 16 | S 13 | S 12 | S 12 | S 12 | S 12 | E 6 | E 6 | E 6 | E 6 | S 11 |
 kJ | 13 | 44 | 19 | 8 | 67 | 63 | 59 | 55 | 126 | 115 | 254 | 313 | 700 | 1241 | 1806 | 860 | 667 | 563 | 477 | 132 | 112 | 116 | 116 | 233 |
Swell 2 Height (m) Direction Period (s) | SSE 12 | SSW 18 | S 18 | SSW 14 | NE 4 | SSW 18 | S 4 | SSW 16 | E 8 | NNE 4 | NE 6 | NE 6 | E 8 | NE 6 | E 7 | S 16 | S 16 | SSW 16 | E 6 | S 12 | S 12 | S 11 | S 11 | SSW 16 |
| kJ | 14 | 66 | 162 | 69 | 5 | 62 | 3 | 53 | 5 | 5 | 10 | 6 | 10 | 1 | 16 | 260 | 135 | 90 | 113 | 400 | 393 | 303 | 237 | 82 |
Swell 3 Height (m) Direction Period (s) | E 9 | S 8 | S 7 | SSW 18 | SSW 18 | NNE 6 | SSW 18 | S 4 | S 18 | NE 6 | E 8 | E 8 | ENE 6 | — | — | E 7 | E 7 | — | — | S 18 | SSW 17 | SSW 16 | S 16 | — |
| kJ | 6 | 11 | 4 | 109 | 64 | 3 | 60 | 1 | 25 | 6 | 5 | 5 | 4 | — | — | 24 | 15 | — | — | 6 | 27 | 52 | 45 | — |
Wind waves Height (m) Direction Period (s) | NNE 4 | NW 3 | NW 3 | W 3 | WSW 3 | SW 3 | WNW 3 | — | NE 3 | SE 3 | SSE 4 | SSE 6 | SSE 7 | SSE 7 | — | E 6 | E 6 | E 6 | — | — | — | — | — | E 6 |
| kJ | 43 | 3 | 9 | 5 | 6 | 3 | 1 | — | 4 | 2 | 34 | 230 | 384 | 358 | — | 31 | 73 | 94 | — | — | — | — | — | 115 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 290 | 0 | 173 | 25 | 0 | 0 | 0 | 290 | 290 | 290 | 349 | 344 | 297 | 258 | 229 | 229 | 258 | 229 | 0 | 0 | 25 | 0 | 229 | 228 |
Best forecast wave conditions in KwaZulu-Natal North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Kosi Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest