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Surf Forecasts:
Dewata surfForecast / West / Sri Lanka
48hr Weather and Surf, issued 4 am Saturday 18 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
30.2° C
(Which is normal for this time of year)How big are the waves at Dewata today?
The current surf forecast for Dewata at 11AM is: 0.7m 11s primary swell from a South-southwest direction and 0.5m 15s secondary swell from a South-southwest direction (forecast issued at 04:30am April 18). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 2.5ft (0.8m) | 11s |
| Afternoon (18 Apr) | 2ft (0.6m) | 14s |
| Evening (18 Apr) | 2ft (0.6m) | 13s |
Table - waves today at Dewata. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 11 | 11 | 11 | 14 | 13 | 13 | 11 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 177 | 171 | 166 | 133 | 116 | 145 | 141 | 139 | 110 | 290 | 286 | 277 | 218 | 215 | 203 | 203 | 187 | 187 | 180 | 177 | 174 | 171 | 171 | 155 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross | cross | glass | glass | glass | on | on | on | on | glass | glass | glass | glass | on | on | on | on | on |
High Tide / height (m) | 2:45AM 0.60 | 3:06PM 0.74 | 3:15AM 0.59 | 3:38PM 0.73 | 3:46AM 0.57 | 4:10PM 0.69 | ||||||||||||||||||
Low Tide / height (m) | 8:28AM 0.04 | 9:11PM 0.08 | 8:59AM 0.03 | 9:41PM 0.09 | 9:30AM 0.05 | 10:14PM 0.11 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
| Sunrise | - | - | 6:00 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - |
 |  |  | | | | | | | | |  | | | |  | | | | | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 26 | 26 | 27 | 30 | 29 | 29 | 28 | 28 | 27 | 26 | 28 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 28 | 29 | 29 | 29 | 28 | 28 |
| Feels °C (?) | 30 | 30 | 31 | 33 | 31 | 32 | 32 | 32 | 32 | 31 | 33 | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 32 | 31 | 31 | 32 | 31 | 32 |
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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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