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Surf Forecasts:
Dewata surfForecast / West / Sri Lanka
48hr Weather and Surf, issued 10 am Friday 22 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
29.3° 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: 0.9m 16s primary swell from a South-southwest direction and 0.7m 13s secondary swell from a Southwest direction, 1.9m 8s secondary swell from a West-southwest direction (forecast issued at 10:30am May 22). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 6.5ft (2.0m) | 8s |
| Afternoon (22 May) | 3.5ft (1.0m) | 16s |
| Evening (22 May) | 3ft (0.9m) | 16s |
Table - waves today at Dewata. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 123mm), heaviest during Fri morning. Warm (max 28°C on Sat afternoon, min 26°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Friday 22 | Saturday 23 | Sunday 24 | Mon 25 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 8 | WSW 8 | WSW 8 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | WSW 8 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | WSW 7 | WSW 7 | SSW 13 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | SSW 12 | SSW 12 | |
408 | 408 | 441 | 487 | 481 | 435 | 376 | 449 | 449 | 366 | 366 | 356 | 331 | 317 | 312 | 249 | 246 | 246 | 242 | 241 | 223 | 223 | 150 | 150 | |
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-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 6:02AM0.41m | 5:48PM0.45m | 7:21AM0.39m | 6:38PM0.39m | 9:13AM0.39m | 8:10PM0.34m | ||||||||||||||||||
Low Tide | 11:30AM0.20m | 00:25AM0.14m | 12:41PM0.26m | 1:37AM0.16m | 3:02PM0.29m | 3:10AM0.16m | ||||||||||||||||||
 | |  | |  | | | | | | | |  | | | | | | | | | | | | |
 | 5:52 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 |
 | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:17 | — | — | — | 6:17 |
19 | 15 | 8 | 6 | 7 | 8 | 7 | 8 | 5 | 1 | 1 | 2 | 1 | 3 | 4 | 3 | 4 | 4 | 2 | 2 | 2 | 3 | 4 | 4 | |
Temp °C | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 |
28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 29 | 30 | 30 | 30 | 28 | 27 | 29 | 29 | 28 | 29 | 29 | 28 | 27 | 29 | |
Swell 1 Height (m) Direction Period (s) | WSW 8 | WSW 8 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | WSW 7 | WSW 7 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 6 | SSW 6 |
 kJ | 408 | 403 | 441 | 487 | 481 | 435 | 376 | 449 | 449 | 310 | 310 | 356 | 331 | 317 | 312 | 249 | 246 | 246 | 242 | 170 | 157 | 152 | 31 | 31 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SW 13 | S 10 | S 10 | SW 13 | SSE 9 | SSE 9 | SSE 8 | SSW 14 | SSW 14 | SSE 9 | S 8 | SSE 9 | S 8 | SE 9 | S 18 | S 8 | SSW 18 | SSW 18 | SSE 7 | SSW 17 | SSW 12 | SSW 12 |
| kJ | 371 | 371 | 175 | 19 | 18 | 138 | 30 | 30 | 26 | 366 | 366 | 32 | 10 | 31 | 20 | 20 | 6 | 11 | 31 | 61 | 18 | 97 | 150 | 150 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | SSE 9 | SSE 9 | SE 9 | SE 9 | SSE 9 | S 10 | S 10 | SSE 10 | S 10 | — | — | — | — | — | SW 18 | SW 18 | SSW 18 | SSW 18 | S 8 | SSW 18 | SSE 7 | SSW 16 | SSW 16 |
| kJ | 61 | 55 | 54 | 39 | 38 | 30 | 8 | 8 | 10 | 8 | — | — | — | — | — | 13 | 13 | 31 | 31 | 1 | 61 | 10 | 85 | 149 |
Wind waves Height (m) Direction Period (s) | W 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | WSW 7 | WSW 8 | WSW 7 | W 7 | W 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | W 7 | W 7 |
| kJ | 471 | 408 | 414 | 392 | 372 | 362 | 362 | 353 | 344 | 358 | 315 | 263 | 236 | 256 | 230 | 241 | 241 | 230 | 241 | 241 | 223 | 223 | 181 | 181 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 202 | 202 | 1435 | 866 | 1494 | 1200 | 202 | 202 | 202 | 202 | 201 | 359 | 202 | 202 | 202 | 202 | 202 | 202 | 201 | 202 | 202 | 202 | 202 | 202 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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