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Surf Forecasts:
Dewata surfForecast / West / Sri Lanka
48hr Weather and Surf, issued 10 am Friday 15 May 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
29.5° C
(Which is normal for this time of year)How big are the waves at Dewata today?
The current surf forecast for Dewata at 2PM is: 2.5m 8s primary swell from a Southwest direction and 0.9m 14s secondary swell from a South-southwest direction, 0.1m 10s secondary swell from a Southeast direction (forecast issued at 10:30am May 15). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 8ft (2.5m) | 8s |
| Afternoon (15 May) | 8ft (2.5m) | 8s |
| Evening (15 May) | 8ft (2.5m) | 8s |
Table - waves today at Dewata. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 63mm), heaviest during Fri morning. Warm (max 28°C on Fri morning, min 27°C on Fri afternoon). Mainly fresh winds. | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SW 7 | SSW 8 | SSW 8 | SSW 13 | SSW 14 | SSW 8 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 7 | SSW 7 | SSW 11 | SSW 11 | |
925 | 828 | 878 | 794 | 785 | 324 | 568 | 514 | 447 | 392 | 238 | 232 | 290 | 331 | 183 | 569 | 579 | 706 | 725 | 589 | 198 | 173 | 415 | 350 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | cross-on | cross-on | on | on | on | |
High Tide | 1:34PM0.65m | 1:47AM0.48m | 2:10PM0.67m | 2:23AM0.49m | 2:46PM0.67m | 3:00AM0.50m | ||||||||||||||||||
Low Tide | 6:50AM0.07m | 7:54PM0.09m | 7:25AM0.04m | 8:24PM0.06m | 8:01AM0.02m | 8:57PM0.05m | ||||||||||||||||||
 | | | |  | | | | | | | | | | | | | | | |  | | | | |
 | 5:52 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 |
 | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | 6:16 |
5 | 4 | 4 | 4 | 3 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 3 | 1 | 1 | — | — | 1 | 4 | |
Temp °C | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 |
28 | 28 | 28 | 27 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 30 | 29 | 30 | 30 | 30 | 30 | 29 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 8 | SSW 8 | SW 8 | SW 8 | SW 8 | SSW 13 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 7 | SSW 7 | SSW 11 | SSW 11 |
 kJ | 327 | 336 | 336 | 327 | 669 | 262 | 494 | 435 | 385 | 232 | 238 | 215 | 210 | 212 | 183 | 569 | 579 | 706 | 725 | 589 | 198 | 173 | 415 | 350 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 10 | SE 10 | SE 10 | S 16 | SSW 13 | SSW 13 | S 14 | SSW 13 | SSW 11 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | S 12 | SSW 15 | W 6 | SSW 15 | SSW 21 | SW 20 | SW 20 | S 13 | SW 18 | SSW 18 |
| kJ | 25 | 2 | 4 | 4 | 496 | 170 | 299 | 377 | 295 | 153 | 229 | 232 | 290 | 331 | 139 | 84 | 49 | 44 | 44 | 98 | 97 | 90 | 83 | 123 |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | ESE 10 | SE 10 | S 16 | SSW 10 | S 10 | S 10 | S 13 | ESE 9 | SE 9 | SE 9 | S 24 | SSW 15 | SW 22 | SSW 15 | SSW 21 | ESE 8 | SE 8 | S 8 | SW 19 | S 14 | S 14 |
| kJ | 4 | 4 | 4 | 10 | 4 | 177 | 36 | 18 | 53 | 130 | 8 | 3 | 3 | 11 | 121 | 19 | 42 | 45 | 7 | 3 | 1 | 95 | 58 | 34 |
Wind waves Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SW 7 | WSW 7 | WSW 7 | W 7 | WSW 7 | WSW 7 | W 7 | WSW 7 | W 6 | W 6 | W 6 | W 6 | W 6 | WSW 6 | W 6 |
| kJ | 925 | 828 | 878 | 794 | 785 | 324 | 568 | 514 | 447 | 392 | 139 | 135 | 126 | 135 | 135 | 107 | 59 | 61 | 48 | 76 | 74 | 74 | 98 | 76 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 202 | 202 | 202 | 202 | 866 | 202 | 359 | 202 | 202 | 1922 | 2003 | 1985 | 866 | 866 | 866 | 866 | 866 | 661 | 866 | 866 | 866 | 866 | 866 | 866 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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