Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Kalutara South surfForecast / West / Sri Lanka
48hr Weather and Surf, issued 10 am Thursday 18 Dec 2025 +0530Forecast update in hr min s Forecast update imminent
Kalutara South surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kalutara South sea temperature is
28.2° C
(Which is normal for this time of year)How big are the waves at Kalutara South today?
The current surf forecast for Kalutara South at 2PM is: 0.9m 13s primary swell from a South-southwest direction (forecast issued at 10:30am December 18). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Dec) | 3ft (0.9m) | 13s |
| Afternoon (18 Dec) | 3ft (0.9m) | 13s |
| Evening (18 Dec) | 2.5ft (0.8m) | 13s |
Table - waves today at Kalutara South. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 10 | 11 | 11 | 11 | 11 | 6 | 10 | 10 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 318 | 309 | 273 | 273 | 219 | 219 | 215 | 209 | 133 | 127 | 125 | 125 | 158 | 158 | 156 | 53 | 126 | 121 | 119 | 110 | 111 | 98 | 68 | 74 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | glass | on | cross- on | glass | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 1:19PM 0.44 | 1:38AM 0.64 | 1:52PM 0.46 | 2:09AM 0.66 | 2:24PM 0.47 | 2:39AM 0.68 | ||||||||||||||||||
Low Tide / height (m) | 7:43AM 0.15 | 7:00PM 0.13 | 8:13AM 0.13 | 7:35PM 0.11 | 8:42AM 0.11 | 8:07PM 0.10 | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| Sunrise | 6:13 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:59 | - | - | - | - | - | - | - | 5:59 | - | - | - | - |
 |  | | |  |  | | |  | | | |  | | | | | |  | |  | | | | |
Rain (mm) | - | 1 | - | 2 | 1 | - | - | - | - | - | - | 1 | - | - | - | - | - | - | 1 | - | - | - | - | - |
| Temp. °C | 25 | 28 | 28 | 28 | 27 | 25 | 24 | 23 | 24 | 28 | 28 | 28 | 26 | 24 | 24 | 23 | 24 | 27 | 27 | 26 | 26 | 25 | 23 | 22 |
| Feels °C (?) | 28 | 33 | 31 | 31 | 31 | 28 | 26 | 25 | 26 | 31 | 29 | 31 | 29 | 27 | 27 | 26 | 27 | 29 | 28 | 26 | 27 | 26 | 24 | 23 |
- 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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