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Kosi Bay Surf Forecast
/ KZN North (23 surf breaks) /
Kosi Bay surfForecast / KZN North / South Africa
48hr Weather and Surf, issued 1 am Saturday 19 Jul 2025 SAST
How big are the waves at Kosi Bay today?
The current surf forecast for Kosi Bay at 5AM is: 3.0m 8s primary swell from a South direction and 0.6m 11s secondary swell from a East direction, 0.5m 18s secondary swell from a South direction (forecast issued at 01:00am July 19). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Jul) | 8ft (2.4m) | 8s |
| Afternoon (19 Jul) | 5ft (1.6m) | 8s |
| Evening (19 Jul) | 5.5ft (1.7m) | 7s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Saturday 19 | Sunday 20 | Monday 21 | ||||||||||||||||||||||
| 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 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 11 | 8 | 8 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 686 | 1160 | 1490 | 1182 | 840 | 591 | 560 | 606 | 479 | 413 | 371 | 279 | 279 | 255 | 228 | 242 | 218 | 222 | 207 | 207 | 208 | 161 | 170 | 227 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross |
High Tide / height (m) | 9:15PM 1.71 | 9:42AM 1.51 | 10:38PM 1.60 | 11:22AM 1.46 | 12:18AM 1.60 | 1:01PM 1.54 | ||||||||||||||||||
Low Tide / height (m) | 3:36AM 0.68 | 4:00PM 0.64 | 5:07AM 0.73 | 5:39PM 0.68 | 6:43AM 0.68 | 7:12PM 0.60 | ||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:33 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:14 | - | - | - | - | - | - | - | 5:14 | - | - | - | - | - | - | - | 5:15 | - |
 |  | |  | |  | |  | | | | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | 1 | 3 | 4 | 3 | 3 | 3 | 2 | 2 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 19 | 20 | 20 | 20 | 20 | 20 | 19 | 18 | 17 | 21 | 22 | 21 | 21 |
| Feels °C (?) | 15 | 14 | 14 | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 18 | 20 | 19 | 19 | 19 | 19 | 18 | 17 | 15 | 18 | 18 | 19 | 20 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for KZN North
Continuing clean conditions at Kosi Bay (light winds from the SW at Mbazwana Airfield 73 km from Kosi Bay). 3.0m 9s swell from the S with a 0.8m 11s groundswell from the E. Swells combining to make to make bigger set waves.
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