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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 1 am Friday 15 May 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
25.8° C
(Which is 1.2°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 10AM is: 1.0m 11s primary swell from a South direction and 1.3m 6s secondary swell from a East direction (forecast issued at 01:00am May 15). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 3.5ft (1.1m) | 11s |
| Afternoon (15 May) | 3ft (0.9m) | 11s |
| Evening (15 May) | 2.5ft (0.8m) | 16s |
Table - waves today at Kosi Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 25mm), heaviest during Fri night. Warm (max 24°C on Fri afternoon, min 19°C on Sat night). Winds increasing (calm on Fri morning, fresh winds from the S by Sat afternoon). | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | ||||||||||||||||||||||
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 | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | E 7 | |
400 | 387 | 314 | 242 | 189 | 189 | 188 | 746 | 1017 | 979 | 930 | 743 | 723 | 602 | 585 | 545 | 427 | 421 | 350 | 480 | 398 | 290 | 232 | 109 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | on | cross-on | cross | cross | cross-off | |
High Tide | 2:23AM2.13m | 2:42PM2.02m | 3:02AM2.23m | 3:21PM2.11m | 3:41AM2.26m | 4:01PM2.15m | ||||||||||||||||||
Low Tide | 8:36AM0.17m | 8:46PM0.11m | 9:14AM0.07m | 9:26PM0.03m | 9:53AM0.03m | 10:07PM0.02m | ||||||||||||||||||
 |  |  | | | |  | | | |  | | | | | | | | | | | | | | |
 | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — |
2 | 1 | 1 | 1 | 1 | 1 | — | 1 | 3 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | — | — | 1 | 2 | 2 | 1 | — | — | |
Temp °C | 22 | 21 | 21 | 23 | 24 | 23 | 23 | 23 | 21 | 20 | 20 | 21 | 23 | 22 | 22 | 21 | 20 | 19 | 19 | 22 | 22 | 22 | 22 | 22 |
25 | 24 | 24 | 24 | 24 | 23 | 23 | 25 | 23 | 19 | 18 | 19 | 20 | 20 | 20 | 21 | 20 | 20 | 20 | 23 | 22 | 22 | 21 | 22 | |
Swell 1 Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | E 6 | S 11 | S 11 | E 6 | S 16 | S 16 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | E 7 |
 kJ | 137 | 132 | 127 | 128 | 109 | 189 | 149 | 130 | 1017 | 979 | 930 | 743 | 723 | 602 | 585 | 545 | 427 | 421 | 350 | 480 | 398 | 290 | 232 | 109 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 11 | S 11 | S 16 | S 16 | S 16 | E 6 | ESE 6 | E 6 | E 6 | E 6 | E 6 | E 6 | S 6 | S 6 | E 7 | E 7 | E 7 | E 7 | E 7 | S 15 | S 10 |
| kJ | 400 | 387 | 314 | 242 | 189 | 124 | 188 | 746 | 112 | 125 | 64 | 52 | 41 | 41 | 41 | 73 | 51 | 45 | 45 | 47 | 66 | 66 | 39 | 92 |
Swell 3 Height (m) Direction Period (s) | S 18 | — | S 16 | S 16 | SSW 16 | S 21 | — | — | — | — | — | — | — | — | E 6 | E 7 | E 7 | S 6 | — | — | — | — | — | S 12 |
| kJ | 6 | — | 5 | 20 | 49 | 8 | — | — | — | — | — | — | — | — | 41 | 44 | 45 | 36 | — | — | — | — | — | 75 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | E 6 | E 6 | — | — | S 4 | S 5 | S 6 | S 6 | S 6 | S 6 | — | — | — | S 6 | — | — | — | ENE 7 | — |
| kJ | — | — | — | — | — | 112 | 126 | — | — | 23 | 87 | 194 | 233 | 193 | 123 | — | — | — | 38 | — | — | — | 86 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 258 | 1051 | 229 | 173 | 144 | 378 | 378 | 228 | 344 | 378 | 1206 | 228 | 144 | 144 | 144 | 144 | 144 | 850 | 883 | 630 | 0 |
Best forecast wave conditions in KwaZulu-Natal North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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