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Surf Forecasts:
Dewata surfForecast / West / Sri Lanka
48hr Weather and Surf, issued 10 pm Tuesday 28 Apr 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
30.7° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Dewata today?
The current surf forecast for Dewata at 4AM is: 0.5m 16s primary swell from a South-southwest direction and 0.7m 9s secondary swell from a South direction (forecast issued at 10:30pm April 28). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | 2.5ft (0.7m) | 16s |
| Afternoon (29 Apr) | 2.5ft (0.7m) | 16s |
| Evening (29 Apr) | 2.5ft (0.7m) | 15s |
Table - waves today at Dewata. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Tue night. Warm (max 30°C on Wed morning, min 27°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 28 | Wednesday 29 | Thursday 30 | Friday 1 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
S 12 | S 12 | S 13 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 17 | S 16 | S 16 | S 16 | S 16 | SSW 16 | |
178 | 236 | 256 | 149 | 229 | 295 | 295 | 229 | 223 | 103 | 140 | 242 | 242 | 242 | 239 | 183 | 160 | 147 | 154 | 135 | 139 | 188 | 186 | 324 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | on | on | cross-on | cross-on | cross-on | on | glassy | glassy | on | on | on | |
High Tide | 1:04AM0.48m | 1:32PM0.61m | 1:32AM0.51m | 1:55PM0.64m | 1:58AM0.53m | 2:18PM0.65m | ||||||||||||||||||
Low Tide | 7:17PM0.19m | 6:56AM0.11m | 7:42PM0.15m | 7:25AM0.08m | 8:07PM0.11m | 7:53AM0.07m | ||||||||||||||||||
 |  | | |  | | |  | | | | | | |  | |  | | | | | | | | |
 | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 |
1 | — | — | 2 | — | — | — | — | — | — | — | 1 | — | — | 2 | — | — | — | 1 | 1 | — | — | — | — | |
Temp °C | 29 | 28 | 28 | 27 | 28 | 30 | 30 | 29 | 29 | 28 | 28 | 28 | 29 | 30 | 30 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 30 | 29 |
34 | 33 | 33 | 32 | 33 | 33 | 33 | 32 | 33 | 32 | 33 | 33 | 34 | 33 | 33 | 32 | 33 | 32 | 32 | 33 | 32 | 32 | 33 | 32 | |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | S 13 | S 9 | S 11 | SSW 16 | S 9 | S 9 | S 9 | S 9 | S 9 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | S 10 | S 10 | S 10 | SSW 13 | SSW 13 | S 16 | SSW 16 |
 kJ | 178 | 236 | 256 | 85 | 110 | 295 | 81 | 81 | 81 | 79 | 79 | 242 | 242 | 242 | 239 | 183 | 160 | 68 | 68 | 68 | 139 | 141 | 186 | 324 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | S 9 | SSW 16 | SSW 16 | SSW 16 | SW 14 | SSW 14 | S 9 | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 14 | SSW 13 | SSW 13 | S 9 | S 9 | SSW 13 | S 9 |
| kJ | 178 | 121 | 112 | 149 | 229 | 83 | 295 | 229 | 223 | 103 | 140 | 57 | 67 | 68 | 68 | 70 | 68 | 147 | 101 | 99 | 64 | 60 | 137 | 56 |
Swell 3 Height (m) Direction Period (s) | SW 14 | S 12 | S 11 | SSW 13 | SSW 13 | SSW 13 | SW 13 | SSW 13 | S 9 | SSW 16 | SSW 16 | S 10 | S 19 | S 19 | S 19 | S 18 | SSW 18 | SSW 18 | S 17 | S 16 | S 16 | S 16 | S 9 | — |
| kJ | 53 | 44 | 39 | 67 | 68 | 68 | 45 | 69 | 40 | 86 | 83 | 50 | 29 | 29 | 28 | 56 | 61 | 104 | 154 | 135 | 132 | 188 | 59 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 5 | 3 | 3 | 3 | 3 | 445 | 866 | 1435 | 23 | 18 | 9 | 3 | 3 | 159 | 752 | 752 | 159 | 750 | 159 | 3 | 3 | 750 | 866 | 1430 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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