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Surf Forecasts:
Kosi Bay surfForecast / KZN North / South Africa
48hr Weather and Surf, issued 1 pm Saturday 06 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 5PM is: 0.6m 10s primary swell from a South direction and 1.0m 6s secondary swell from a Northeast direction (forecast issued at 01:00pm December 06). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Dec) | 2.5ft (0.7m) | 10s |
| Afternoon (06 Dec) | 3.5ft (1.1m) | 6s |
| Evening (06 Dec) | 2ft (0.6m) | 10s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | |||||||||||||||||||||
| 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 | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 10 | 10 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 6 | 8 | 4 | 5 | 6 | 6 | 13 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 120 | 82 | 71 | 71 | 71 | 113 | 187 | 132 | 115 | 64 | 48 | 35 | 38 | 35 | 36 | 35 | 18 | 34 | 45 | 64 | 49 | 108 | 31 | 161 |
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- on | cross- on | cross- on | on | on | on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:31PM 2.15 | 4:53AM 2.12 | 5:11PM 2.07 | 5:37AM 2.04 | 5:53PM 1.94 | 6:22AM 1.93 | ||||||||||||||||||
Low Tide / height (m) | 10:18AM 0.06 | 10:41PM 0.07 | 11:01AM 0.14 | 11:22PM 0.14 | 11:45AM 0.26 | 12:04AM 0.24 | ||||||||||||||||||
Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 4:46 | - | - | - | - | - | - | - | 4:47 | - | - | - | - | - | - | - | 4:47 | - |
| Sunset | - | - | 6:30 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:32 | - | - | - | - | - |
 | |  |  |  |  | |  | | | | | | | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 26 | 25 | 24 | 23 | 21 | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 27 | 28 | 26 | 24 | 24 | 23 | 23 | 26 |
| Feels °C (?) | 27 | 25 | 27 | 26 | 24 | 20 | 21 | 22 | 23 | 23 | 25 | 24 | 25 | 25 | 26 | 26 | 27 | 28 | 25 | 24 | 26 | 23 | 22 | 25 |
- 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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