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Surf Forecasts:
Kosi Bay surfForecast / KZN North / South Africa
48hr Weather and Surf, issued 1 am Monday 08 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
25.6° C
(Which is normal for this time of year)How big are the waves at Kosi Bay today?
The current surf forecast for Kosi Bay at 6AM is: 0.6m 9s primary swell from a South-southeast direction and 0.5m 7s secondary swell from a East direction (forecast issued at 01:00am December 08). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Dec) | 1.5ft (0.5m) | 7s |
| Afternoon (08 Dec) | 2.5ft (0.7m) | 4s |
| Evening (08 Dec) | 1ft (0.3m) | 14s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 08 | Tuesday 09 | Wednesday 10 | ||||||||||||||||||||||
| 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) (?) | 7 | 9 | 9 | 7 | 7 | 4 | 4 | 14 | 5 | 13 | 13 | 12 | 12 | 11 | 6 | 6 | 6 | 5 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 39 | 24 | 58 | 22 | 22 | 14 | 14 | 40 | 35 | 57 | 31 | 29 | 14 | 13 | 89 | 84 | 35 | 83 | 342 | 400 | 523 | 465 | 277 | 223 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | glass | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on |
High Tide / height (m) | 5:37AM 2.04 | 5:53PM 1.94 | 6:22AM 1.93 | 6:36PM 1.80 | 7:11AM 1.80 | 7:23PM 1.65 | ||||||||||||||||||
Low Tide / height (m) | 11:22PM 0.14 | 11:45AM 0.26 | 12:04AM 0.24 | 12:31PM 0.41 | 12:49AM 0.38 | 1:20PM 0.58 | ||||||||||||||||||
Monday 08 | Tuesday 09 | Wednesday 10 | ||||||||||||||||||||||
| Sunrise | - | - | 4:47 | - | - | - | - | - | - | - | 4:47 | - | - | - | - | - | - | - | 4:47 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:32 | - | - | - | - | - | - | - | 6:32 | - | - | - | - | - | - | - | 6:34 | - |
 | |  |  |  | | |  | | | | | | | |  | |  |  | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 1 | 1 | 2 | - | - |
| Temp. °C | 23 | 23 | 22 | 23 | 26 | 28 | 26 | 24 | 24 | 23 | 23 | 26 | 29 | 30 | 27 | 26 | 25 | 22 | 23 | 24 | 23 | 24 | 24 | 24 |
| Feels °C (?) | 25 | 26 | 24 | 24 | 25 | 27 | 26 | 25 | 25 | 24 | 23 | 26 | 28 | 29 | 27 | 29 | 26 | 22 | 21 | 22 | 20 | 20 | 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)
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