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Surf Forecasts:
Dewata surfForecast / West / Sri Lanka
48hr Weather and Surf, issued 10 pm Wednesday 22 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
30.6° C
(Which is slightly warmer than usual)How big are the waves at Dewata today?
The current surf forecast for Dewata at 7AM is: 0.5m 18s primary swell from a South direction and 0.5m 8s secondary swell from a South direction, 0.5m 11s secondary swell from a South direction (forecast issued at 10:30pm April 22). The wind direction is predicted to be glassy.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 1.5ft (0.5m) | 18s |
| Afternoon (23 Apr) | 1.5ft (0.5m) | 16s |
| Evening (23 Apr) | 1.5ft (0.5m) | 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 34mm), heaviest during Wed night. Warm (max 29°C on Thu morning, min 26°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 22 | Thursday 23 | Friday 24 | Saturday 25 | |||||||||||||||||||||
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 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 17 | S 10 | S 10 | S 10 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | S 13 | S 20 | S 20 | |
71 | 67 | 101 | 154 | 152 | 93 | 129 | 129 | 129 | 129 | 145 | 125 | 125 | 125 | 178 | 172 | 155 | 150 | 102 | 97 | 89 | 87 | 121 | 186 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-off | off | glassy | cross-off | cross-on | on | cross-on | glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | |
High Tide | 5:29AM0.45m | 5:46PM0.50m | 6:41AM0.39m | 6:36PM0.42m | 10:30AM0.40m | |||||||||||||||||||
Low Tide | 11:28PM0.20m | 11:16AM0.22m | 00:19AM0.24m | 12:08PM0.30m | 2:02AM0.28m | 4:36PM0.35m | ||||||||||||||||||
 |  | |  |  |  |  | | | | | | | | | | |  | | | | | | | |
 | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 |
4 | 8 | 1 | — | — | — | 3 | 2 | 1 | 2 | — | 1 | 1 | 1 | 1 | 1 | — | — | 2 | 2 | 2 | 1 | 1 | — | |
Temp °C | 28 | 27 | 26 | 26 | 28 | 29 | 29 | 29 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 29 | 28 | 28 | 27 | 26 | 27 | 29 | 29 | 29 |
32 | 30 | 30 | 30 | 32 | 32 | 33 | 33 | 33 | 31 | 32 | 32 | 33 | 32 | 31 | 32 | 32 | 33 | 32 | 31 | 31 | 32 | 32 | 32 | |
Swell 1 Height (m) Direction Period (s) | S 9 | S 8 | S 8 | S 8 | S 8 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 |
 kJ | 54 | 52 | 51 | 35 | 35 | 61 | 61 | 59 | 106 | 100 | 96 | 125 | 125 | 125 | 123 | 121 | 116 | 109 | 80 | 80 | 81 | 85 | 85 | 83 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 11 | S 11 | S 11 | S 8 | S 8 | S 16 | S 16 | S 16 | S 17 | S 15 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 20 |
| kJ | 71 | 67 | 64 | 63 | 62 | 35 | 33 | 129 | 129 | 129 | 145 | 112 | 124 | 124 | 178 | 172 | 155 | 150 | 102 | 97 | 89 | 87 | 85 | 186 |
Swell 3 Height (m) Direction Period (s) | S 19 | S 19 | S 18 | S 18 | S 18 | S 17 | S 16 | S 8 | SSW 15 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 16 | SSW 13 | S 21 | S 21 | S 20 | S 13 |
| kJ | 66 | 64 | 101 | 154 | 152 | 93 | 129 | 33 | 21 | 21 | 33 | 54 | 33 | 33 | 21 | 19 | 17 | 17 | 25 | 17 | 80 | 79 | 121 | 82 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 3 | 3 | 3 | 5 | 750 | 750 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 750 | 752 | 752 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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