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Surf Forecasts:
Dewata surfForecast / West / Sri Lanka
48hr Weather and Surf, issued 10 am Monday 20 Apr 2026 +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
30.6° C
(Which is slightly warmer than usual)How big are the waves at Dewata today?
The current surf forecast for Dewata at 6PM is: 0.8m 12s primary swell from a South direction and 0.5m 15s secondary swell from a South-southwest direction (forecast issued at 10:30am April 20). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 2.5ft (0.8m) | 12s |
| Afternoon (20 Apr) | 2.5ft (0.8m) | 12s |
| Evening (20 Apr) | 2.5ft (0.8m) | 11s |
Table - waves today at Dewata. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 15 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 10 | 10 | 10 | 10 | 10 | 9 | 12 | 9 | 12 | 12 | 12 | 18 | 18 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 180 | 177 | 167 | 171 | 163 | 155 | 152 | 149 | 144 | 144 | 137 | 93 | 90 | 89 | 89 | 87 | 83 | 82 | 83 | 81 | 79 | 69 | 101 | 99 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | on | cross- on | cross- on | glass | glass | glass | glass | glass | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 4:10PM 0.69 | 4:17AM 0.54 | 4:41PM 0.64 | 4:49AM 0.50 | 5:13PM 0.57 | 5:29AM 0.45 | ||||||||||||||||||
Low Tide / height (m) | 9:30AM 0.05 | 10:14PM 0.11 | 10:04AM 0.09 | 10:48PM 0.15 | 10:38AM 0.15 | 11:28PM 0.20 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| Sunrise | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - | - |
 |  |  | |  | | | | | | | |  | |  | | | | | | | | | | |
Rain (mm) | - | 1 | - | 1 | 1 | 1 | 1 | 2 | 1 | 1 | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 28 | 30 | 29 | 29 | 28 | 28 | 27 | 26 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 30 | 29 | 29 | 28 | 28 | 28 |
| Feels °C (?) | 33 | 34 | 31 | 33 | 33 | 33 | 32 | 31 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 32 | 31 | 32 | 32 | 32 | 31 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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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