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:
Dewata surfForecast / West / Sri Lanka
48hr Weather and Surf, issued 10 pm Wednesday 17 Dec 2025 +0530Forecast update in hr min s Forecast update imminent
Dewata surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dewata sea temperature is
27.9° C
(Which is normal for this time of year)How big are the waves at Dewata today?
The current surf forecast for Dewata at 2AM is: 1.0m 14s primary swell from a South-southwest direction (forecast issued at 10:30pm December 17). An open ocean swell of 0.4m 7s is not directed at the surf break, a second open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Dec) | 3ft (0.9m) | 13s |
| Afternoon (18 Dec) | 2.5ft (0.8m) | 13s |
| Evening (18 Dec) | 2.5ft (0.8m) | 13s |
Table - waves today at Dewata. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wed 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| 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 | 11 AM | 2 PM | 5 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 478 | 394 | 389 | 346 | 261 | 253 | 249 | 198 | 195 | 195 | 176 | 168 | 155 | 150 | 147 | 145 | 145 | 142 | 137 | 128 | 114 | 146 | 143 | 135 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | glass | cross- off | glass | on | on | on | on | cross- on | on | glass | glass | cross- on | cross- on | cross |
High Tide / height (m) | 1:15AM 0.66 | 1:32PM 0.52 | 1:47AM 0.69 | 2:09PM 0.55 | 2:18AM 0.72 | 2:44PM 0.56 | ||||||||||||||||||
Low Tide / height (m) | 6:45PM 0.25 | 7:55AM 0.24 | 7:20PM 0.24 | 8:26AM 0.21 | 7:52PM 0.23 | 8:56AM 0.19 | ||||||||||||||||||
Wed 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:59 | - | - | - | - | - | - | - | 5:59 |
 |  | |  |  |  |  | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | 1 | 2 | 2 | - | 1 | 1 | - | - | 1 | 2 | 1 | - | - | - | - | 1 | 4 | 3 |
| Temp. °C | 25 | 25 | 25 | 25 | 26 | 30 | 30 | 28 | 27 | 25 | 25 | 25 | 25 | 26 | 27 | 26 | 26 | 26 | 26 | 25 | 26 | 27 | 26 | 26 |
| Feels °C (?) | 27 | 28 | 28 | 28 | 28 | 33 | 32 | 31 | 30 | 28 | 29 | 29 | 29 | 29 | 31 | 29 | 29 | 29 | 30 | 30 | 31 | 30 | 29 | 29 |
- 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Dewata surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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