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Surf Forecasts:
Dewata surfForecast / West / Sri Lanka
48hr Weather and Surf, issued 10 pm Wednesday 13 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
29.9° C
(Which is slightly warmer than usual)How big are the waves at Dewata today?
The current surf forecast for Dewata at 5AM is: 2.1m 8s primary swell from a Southwest direction and 0.6m 15s secondary swell from a South direction, 2.0m 8s secondary swell from a West-southwest direction (forecast issued at 10:30pm May 13). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 7ft (2.2m) | 8s |
| Afternoon (14 May) | 7.5ft (2.3m) | 8s |
| Evening (14 May) | 7ft (2.2m) | 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 69mm), heaviest during Thu night. Warm (max 28°C on Wed night, min 27°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 13 | Thursday 14 | Friday 15 | Saturday 16 | |||||||||||||||||||||
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 | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SSW 13 | SSW 13 | SSW 10 | |
695 | 628 | 567 | 574 | 609 | 624 | 669 | 661 | 604 | 604 | 604 | 684 | 789 | 701 | 701 | 824 | 709 | 655 | 507 | 489 | 434 | 854 | 229 | 346 | |
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 | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 00:29AM0.43m | 12:58PM0.60m | 1:09AM0.46m | 1:34PM0.65m | 1:47AM0.48m | 2:10PM0.67m | ||||||||||||||||||
Low Tide | 6:58PM0.17m | 6:16AM0.11m | 7:25PM0.12m | 6:50AM0.07m | 7:54PM0.09m | 7:25AM0.04m | ||||||||||||||||||
 |  |  | |  | | | | |  | | | | | | | | | | | | | | | |
 | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 |
— | — | 2 | 3 | 3 | 3 | 4 | 3 | 7 | 9 | 8 | 3 | 3 | 3 | 1 | 4 | 2 | — | 1 | 1 | 2 | 2 | 2 | 3 | |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 |
32 | 31 | 31 | 30 | 30 | 30 | 29 | 29 | 29 | 27 | 28 | 28 | 29 | 27 | 27 | 29 | 31 | 30 | 29 | 30 | 29 | 30 | 30 | 30 | |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SSW 14 | S 13 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | W 7 | SSW 13 | SSW 8 | SSW 10 |
 kJ | 594 | 628 | 567 | 574 | 609 | 624 | 669 | 661 | 243 | 366 | 295 | 299 | 327 | 336 | 336 | 706 | 661 | 581 | 494 | 452 | 171 | 854 | 196 | 346 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | S 16 | S 16 | S 15 | S 15 | SE 9 | SE 8 | SSW 16 | SSW 16 | SE 8 | — | S 18 | S 10 | SE 10 | SE 10 | SSW 14 | SSW 16 | SSW 13 | S 14 | S 14 | SSW 8 | W 7 | W 7 | W 7 |
| kJ | 236 | 135 | 134 | 163 | 215 | 3 | 3 | 149 | 149 | 3 | — | 25 | 2 | 4 | 4 | 327 | 406 | 170 | 372 | 377 | 183 | 146 | 146 | 146 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SE 8 | — | S 8 | SE 8 | S 20 | — | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | S 16 | SSW 10 | S 10 | S 13 | SE 9 | SSW 13 | SSW 13 |
| kJ | 33 | 31 | 62 | 31 | 31 | 3 | — | 1 | 3 | 8 | — | 4 | 4 | 4 | 4 | 4 | 4 | 177 | 37 | 18 | 434 | 3 | 229 | 232 |
Wind waves Height (m) Direction Period (s) | SW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SW 8 | W 7 | WSW 7 |
| kJ | 695 | 564 | 512 | 508 | 555 | 593 | 593 | 643 | 604 | 604 | 604 | 684 | 789 | 701 | 701 | 824 | 709 | 655 | 507 | 489 | 408 | 262 | 285 | 134 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 58 | 38 | 201 | 354 | 202 | 202 | 202 | 202 | 195 | 195 | 202 | 159 | 201 | 201 | 195 | 3 | 11 | 202 | 202 | 202 | 202 | 359 | 1985 | 892 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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