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Surf Forecasts:
Dewata surfForecast / West / Sri Lanka
48hr Weather and Surf, issued 10 am 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 3PM is: 2.1m 9s primary swell from a Southwest direction and 0.9m 14s secondary swell from a South-southwest direction (forecast issued at 10:30am May 13). The wind direction is predicted to be cross-offshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 7ft (2.1m) | 8s |
| Afternoon (13 May) | 7ft (2.1m) | 9s |
| Evening (13 May) | 6.5ft (2.0m) | 9s |
Table - waves today at Dewata. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 87mm), heaviest during Thu night. Warm (max 29°C on Thu morning, min 25°C on Wed afternoon). Mainly fresh winds. | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 9 | 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 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 8 | |
539 | 773 | 649 | 631 | 594 | 628 | 567 | 540 | 560 | 567 | 609 | 589 | 494 | 539 | 629 | 684 | 746 | 794 | 813 | 746 | 701 | 662 | 602 | 570 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 12:21PM0.55m | 00:29AM0.43m | 12:58PM0.60m | 1:09AM0.46m | 1:34PM0.65m | 1:47AM0.48m | ||||||||||||||||||
Low Tide | 5:42AM0.16m | 6:58PM0.17m | 6:16AM0.11m | 7:25PM0.12m | 6:50AM0.07m | 7:54PM0.09m | ||||||||||||||||||
 | |  |  |  |  |  | | | | | | |  | | | | | |  | | | | | |
 | 5:52 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 |
 | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | 6:16 |
8 | 6 | 4 | 1 | — | — | 1 | 1 | 2 | 3 | 3 | 4 | 5 | 6 | 10 | 14 | 3 | 3 | 2 | — | 3 | 3 | 2 | 3 | |
Temp °C | 28 | 28 | 26 | 25 | 26 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 27 | 26 | 25 | 27 | 26 | 27 | 28 | 27 | 28 | 27 | 27 |
29 | 30 | 27 | 26 | 29 | 31 | 31 | 30 | 30 | 31 | 29 | 29 | 29 | 28 | 26 | 27 | 27 | 25 | 27 | 30 | 29 | 30 | 28 | 28 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SW 8 | SW 8 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SSW 16 | SSW 14 | S 13 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 16 | SW 8 | SW 8 | SW 8 |
 kJ | 443 | 624 | 649 | 631 | 594 | 628 | 567 | 540 | 560 | 567 | 609 | 149 | 304 | 366 | 295 | 299 | 327 | 336 | 341 | 327 | 406 | 604 | 533 | 520 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | S 16 | S 16 | S 15 | S 15 | SE 9 | SE 8 | S 9 | SSW 16 | SE 8 | SE 11 | SE 10 | S 10 | SE 10 | SE 10 | SE 10 | SE 10 | SSW 13 | S 13 | S 14 |
| kJ | 12 | 437 | 351 | 322 | 312 | 135 | 134 | 163 | 215 | 3 | 3 | 1 | 149 | 3 | 5 | 4 | 2 | 4 | 4 | 4 | 4 | 129 | 366 | 377 |
Swell 3 Height (m) Direction Period (s) | SW 20 | ESE 8 | SSE 10 | SSE 10 | S 15 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SE 8 | — | SE 8 | SE 8 | S 20 | — | S 18 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 9 | S 16 | S 10 | S 10 |
| kJ | 15 | 7 | 9 | 9 | 71 | 31 | 62 | 31 | 31 | 3 | — | 3 | 3 | 8 | — | 25 | 4 | 4 | 4 | 10 | 8 | 177 | 18 | 18 |
Wind waves Height (m) Direction Period (s) | SW 8 | SW 8 | — | — | — | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 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 |
| kJ | 539 | 773 | — | — | — | 564 | 512 | 443 | 456 | 533 | 502 | 589 | 494 | 539 | 629 | 684 | 746 | 794 | 813 | 746 | 701 | 662 | 602 | 570 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 202 | 202 | 201 | 3 | 3 | 38 | 201 | 203 | 202 | 202 | 201 | 1494 | 202 | 202 | 1144 | 202 | 202 | 202 | 195 | 195 | 159 | 195 | 201 | 195 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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