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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 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 10PM is: 0.9m 5s primary swell from a Northeast direction and 0.5m 7s secondary swell from a East direction, 0.6m 4s secondary swell from a South direction (forecast issued at 07:00pm April 18). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | - | - |
| 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 | Tuesday 21 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 6 | 5 | 5 | 6 | 7 | 7 | 12 | 12 | 12 | 8 | 8 | 8 | 8 | 8 | 6 | 6 | 5 | 6 | 6 | 7 | 7 | 7 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 19 | 61 | 32 | 52 | 69 | 69 | 58 | 70 | 134 | 95 | 26 | 22 | 17 | 24 | 14 | 95 | 60 | 110 | 156 | 151 | 152 | 149 | 139 | 104 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | glass |
High Tide / height (m) | 4:18PM 2.25 | 4:36AM 2.35 | 4:52PM 2.21 | 5:11AM 2.24 | 5:28PM 2.10 | 5:47AM 2.06 | ||||||||||||||||||
Low Tide / height (m) | 10:23PM -0.09 | 10:46AM -0.03 | 10:59PM -0.03 | 11:21AM 0.07 | 11:36PM 0.12 | 11:58AM 0.22 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:07 | - | - |
| Sunset | 5:29 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:27 | - | - | - | - | - | - | - |
 |  | |  | | |  | | |  | | | |  | | |  |  | | | |  | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 5 | 5 | 1 | 1 | 1 | 1 | - | 1 |
| Temp. °C | 28 | 26 | 24 | 23 | 23 | 24 | 26 | 27 | 26 | 26 | 27 | 26 | 26 | 26 | 30 | 30 | 23 | 23 | 23 | 22 | 22 | 22 | 25 | 25 |
| Feels °C (?) | 28 | 28 | 25 | 24 | 24 | 27 | 29 | 28 | 27 | 26 | 28 | 26 | 26 | 26 | 29 | 32 | 20 | 21 | 21 | 21 | 22 | 23 | 27 | 28 |
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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
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