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Surf Forecasts:
Dewata surfForecast / West / Sri Lanka
48hr Weather and Surf, issued 4 am Tuesday 12 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
30.1° C
(Which is slightly warmer than usual)How big are the waves at Dewata today?
The current surf forecast for Dewata at 11AM is: 1.2m 16s primary swell from a South-southwest direction and 1.6m 8s secondary swell from a Southwest direction (forecast issued at 04:30am May 12). The wind direction is predicted to be cross-shore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 3.5ft (1.1m) | 16s |
| Afternoon (12 May) | 4.5ft (1.3m) | 16s |
| Evening (12 May) | 4.5ft (1.3m) | 15s |
Table - waves today at Dewata. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 91mm), heaviest during Tue night. Warm (max 28°C on Tue morning, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | ||||||||||||||||||||||
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 | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 8 | WSW 8 | WSW 8 | SW 13 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 8 | SW 8 | SW 8 | SW 8 | |
647 | 745 | 661 | 758 | 749 | 763 | 715 | 639 | 631 | 622 | 622 | 613 | 522 | 402 | 354 | 1242 | 352 | 384 | 425 | 425 | 476 | 543 | 557 | 470 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross | cross | 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-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 11:41AM0.48m | 11:42PM0.40m | 12:21PM0.55m | 00:29AM0.43m | 12:58PM0.60m | |||||||||||||||||||
Low Tide | 5:04AM0.20m | 6:30PM0.22m | 5:42AM0.16m | 6:58PM0.17m | 6:16AM0.11m | 7:25PM0.12m | ||||||||||||||||||
 |  |  | | | | | | | | |  | | | | | | | | | | |  | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — |
3 | 6 | 2 | 3 | 3 | 5 | 6 | 9 | 4 | 3 | 4 | 6 | 6 | 5 | 2 | 1 | 2 | 2 | 4 | 5 | 5 | 4 | 5 | 1 | |
Temp °C | 25 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 26 | 27 |
29 | 31 | 30 | 31 | 30 | 31 | 30 | 30 | 30 | 31 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 30 | 29 | 30 | 30 | 29 | 27 | 29 | |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | SW 8 | SW 8 | SW 8 | SSW 15 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 13 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | S 13 |
 kJ | 277 | 237 | 189 | 298 | 322 | 322 | 715 | 274 | 274 | 324 | 333 | 371 | 459 | 380 | 341 | 1242 | 352 | 361 | 344 | 373 | 414 | 424 | 470 | 366 |
Swell 2 Height (m) Direction Period (s) | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | ESE 9 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | S 16 | SSW 13 | SSW 13 | S 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 20 |
| kJ | 647 | 745 | 661 | 758 | 749 | 763 | 8 | 639 | 631 | 622 | 622 | 613 | 351 | 322 | 312 | 135 | 229 | 384 | 388 | 419 | 419 | 313 | 304 | 8 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | S 11 | SE 8 | — | — | SSE 8 | — | — | SW 20 | SW 20 | SE 9 | ESE 8 | S 10 | S 10 | SSW 18 | S 16 | SSW 18 | SSW 18 | SE 8 | SE 9 | SSW 16 | SSW 16 | E 11 |
| kJ | 17 | 17 | 110 | 17 | — | — | 6 | — | — | 15 | 15 | 3 | 7 | 77 | 78 | 31 | 134 | 31 | 31 | 3 | 3 | 149 | 149 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | WSW 8 | WSW 8 | SW 8 | WSW 8 | — | — | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SW 8 | SW 8 | SW 8 |
| kJ | — | — | — | — | 300 | 247 | 284 | 306 | — | — | 408 | 408 | 522 | 402 | 354 | 353 | 302 | 327 | 425 | 425 | 476 | 543 | 557 | 470 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 3 | 3 | 3 | 1454 | 1435 | 1144 | 202 | 202 | 202 | 202 | 201 | 201 | 195 | 159 | 159 | 159 | 354 | 354 | 202 | 195 | 195 | 63 | 159 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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