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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 Saturday 18 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 1.4°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: 0.3m 8s primary swell from a East-southeast direction and 0.3m 7s secondary swell from a East direction (forecast issued at 07:00am April 18). An open ocean swell of 1.3m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 1.5ft (0.4m) | 8s |
| Afternoon (18 Apr) | 1.5ft (0.4m) | 8s |
| Evening (18 Apr) | 3ft (0.9m) | 6s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 8 | 8 | 8 | 8 | 6 | 5 | 5 | 6 | 7 | 7 | 7 | 12 | 8 | 8 | 5 | 6 | 9 | 8 | 6 | 6 | 5 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 31 | 17 | 20 | 14 | 19 | 61 | 32 | 32 | 47 | 55 | 58 | 46 | 46 | 38 | 23 | 68 | 79 | 16 | 23 | 109 | 82 | 109 | 175 | 146 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- off | glass | 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- on |
High Tide / height (m) | 4:18PM 2.25 | 4:36AM 2.35 | 4:52PM 2.21 | 5:11AM 2.24 | 5:28PM 2.10 | |||||||||||||||||||
Low Tide / height (m) | 10:12AM -0.07 | 10:23PM -0.09 | 10:46AM -0.03 | 10:59PM -0.03 | 11:21AM 0.07 | 11:36PM 0.12 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| Sunrise | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:29 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:27 | - | - | - |
 |  |  |  | |  | | | | | | | | | | | | | | |  |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 4 | 4 | 2 |
| Temp. °C | 24 | 25 | 28 | 30 | 27 | 25 | 24 | 23 | 23 | 24 | 24 | 27 | 26 | 26 | 26 | 26 | 25 | 26 | 29 | 31 | 24 | 23 | 23 | 23 |
| Feels °C (?) | 22 | 23 | 27 | 29 | 28 | 27 | 24 | 24 | 25 | 27 | 28 | 28 | 26 | 26 | 27 | 26 | 25 | 27 | 29 | 31 | 21 | 21 | 21 | 22 |
- 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.
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