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Surf Forecasts:
Dewata surfForecast / West / Sri Lanka
48hr Weather and Surf, issued 10 pm Monday 27 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 14s primary swell from a South-southwest direction and 0.7m 10s secondary swell from a South direction (forecast issued at 10:30pm April 27). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 2.5ft (0.7m) | 10s |
| Afternoon (28 Apr) | 2ft (0.6m) | 18s |
| Evening (28 Apr) | 2.5ft (0.8m) | 12s |
Table - waves today at Dewata. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Mon night. Warm (max 30°C on Wed morning, min 27°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | |||||||||||||||||||||
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 10 | SSW 14 | SSW 14 | SSW 14 | S 10 | SSW 18 | SSW 18 | SSW 18 | 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 | |
92 | 154 | 156 | 115 | 90 | 124 | 178 | 276 | 178 | 239 | 202 | 149 | 229 | 295 | 295 | 229 | 223 | 103 | 140 | 242 | 242 | 242 | 239 | 183 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | cross-on | on | on | cross-on | cross-on | glassy | on | on | on | on | on | |
High Tide | 00:31AM0.45m | 1:07PM0.58m | 1:04AM0.48m | 1:32PM0.61m | 1:32AM0.51m | 1:55PM0.64m | ||||||||||||||||||
Low Tide | 6:50PM0.23m | 6:24AM0.15m | 7:17PM0.19m | 6:56AM0.11m | 7:42PM0.15m | 7:25AM0.08m | ||||||||||||||||||
 |  |  | |  |  |  | | | | | |  | | | |  | | | | | | | | |
 | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 |
5 | — | — | — | — | — | 1 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | |
Temp °C | 29 | 28 | 27 | 27 | 28 | 29 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 30 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 30 | 30 | 29 |
34 | 33 | 32 | 32 | 33 | 33 | 32 | 32 | 33 | 33 | 32 | 32 | 33 | 34 | 32 | 33 | 33 | 32 | 33 | 32 | 33 | 33 | 33 | 32 | |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 12 | S 12 | S 12 | S 13 | S 9 | S 11 | SSW 16 | SSW 16 | S 9 | S 9 | S 9 | S 9 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | S 10 |
 kJ | 92 | 90 | 90 | 90 | 90 | 87 | 87 | 236 | 178 | 239 | 202 | 85 | 110 | 295 | 295 | 81 | 81 | 79 | 59 | 242 | 242 | 242 | 239 | 92 |
Swell 2 Height (m) Direction Period (s) | S 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | S 9 | S 9 | SSW 16 | SSW 16 | SW 14 | SSW 14 | S 9 | S 10 | S 10 | S 10 | SSW 14 |
| kJ | 55 | 154 | 156 | 115 | 80 | 78 | 178 | 276 | 178 | 121 | 112 | 149 | 229 | 83 | 81 | 229 | 223 | 103 | 140 | 59 | 67 | 66 | 66 | 183 |
Swell 3 Height (m) Direction Period (s) | SW 15 | SW 19 | SSW 19 | SSW 19 | S 12 | SSW 18 | SSW 14 | S 12 | SW 14 | S 12 | NW 4 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 9 | SSW 16 | SSW 16 | S 10 | S 19 | S 19 | S 19 | S 18 |
| kJ | 54 | 96 | 148 | 74 | 26 | 124 | 76 | 45 | 53 | 44 | 1 | 67 | 68 | 68 | 69 | 69 | 40 | 86 | 83 | 48 | 29 | 29 | 28 | 56 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 3 | 3 | 3 | 3 | 38 | 159 | 53 | 3 | 3 | 3 | 3 | 3 | 750 | 752 | 752 | 159 | 16 | 9 | 159 | 3 | 3 | 3 | 3 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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