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Surf Forecasts:
Kosi Bay surfForecast / KZN North / South Africa
48hr Weather and Surf, issued 1 am Sunday 07 Dec 2025 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
25.8° C
(Which is slightly warmer than usual)How big are the waves at Kosi Bay today?
The current surf forecast for Kosi Bay at 5AM is: 1.7m 6s primary swell from a South direction and 0.7m 6s secondary swell from a Northeast direction, 0.1m 7s secondary swell from a East direction (forecast issued at 01:00am December 07). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Dec) | 4.5ft (1.4m) | 6s |
| Afternoon (07 Dec) | 3.5ft (1.0m) | 6s |
| Evening (07 Dec) | 2.5ft (0.8m) | 6s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 07 | Monday 08 | Tuesday 09 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 6 | 4 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 71 | 109 | 219 | 176 | 115 | 78 | 50 | 37 | 38 | 35 | 34 | 35 | 18 | 36 | 56 | 64 | 108 | 120 | 136 | 152 | 146 | 132 | 92 | 68 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- on |
High Tide / height (m) | 4:53AM 2.12 | 5:11PM 2.07 | 5:37AM 2.04 | 5:53PM 1.94 | 6:22AM 1.93 | 6:36PM 1.80 | ||||||||||||||||||
Low Tide / height (m) | 10:41PM 0.07 | 11:01AM 0.14 | 11:22PM 0.14 | 11:45AM 0.26 | 12:04AM 0.24 | 12:31PM 0.41 | ||||||||||||||||||
Sunday 07 | Monday 08 | Tuesday 09 | ||||||||||||||||||||||
| Sunrise | - | - | 4:46 | - | - | - | - | - | - | - | 4:47 | - | - | - | - | - | - | - | 4:47 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:32 | - | - | - | - | - | - | - | 6:32 | - |
 |  |  | |  |  | | | | | | | | | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 21 | 21 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 27 | 28 | 26 | 24 | 24 | 24 | 23 | 26 | 28 | 28 | 27 | 24 |
| Feels °C (?) | 24 | 20 | 19 | 22 | 23 | 25 | 25 | 24 | 26 | 26 | 25 | 26 | 27 | 27 | 26 | 24 | 25 | 23 | 23 | 25 | 27 | 27 | 27 | 27 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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