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Surf Forecasts:
Dewata surfForecast / West / Sri Lanka
48hr Weather and Surf, issued 4 pm Saturday 30 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
28.5° C
(Which is normal for this time of year)How big are the waves at Dewata today (30 May):
- Afternoon surf: Afternoon surf (30 May, local time) - 4.5ft (1.4m), 13s period with S swell.
- Evening surf: Evening surf (30 May, local time) - 4.5ft (1.4m), 12s period with S swell.
The current surf forecast for Dewata at 11PM is: 1.3m 12s primary swell from a South direction and 1.2m 6s secondary swell from a West-southwest direction (forecast issued at 04:30pm May 30). An open ocean swell of 1.3m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | - | - |
| Afternoon (30 May) | 4.5ft (1.4m) | 13s |
| Evening (30 May) | 4.5ft (1.4m) | 12s |
Table - waves today at Dewata. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 87mm), heaviest during Sun night. Warm (max 28°C on Sat afternoon, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
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 | 8 AM | 11 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 16 | SSW 16 | SSW 16 | SSW 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | |
787 | 653 | 623 | 522 | 505 | 425 | 425 | 425 | 418 | 353 | 404 | 257 | 254 | 269 | 329 | 365 | 530 | 522 | 501 | 747 | 725 | 725 | 609 | 609 | |
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 | 1:51PM0.57m | 2:04AM0.43m | 2:19PM0.58m | 2:38AM0.43m | 2:49PM0.58m | 3:12AM0.43m | ||||||||||||||||||
Low Tide | 8:19PM0.07m | 7:54AM0.07m | 8:49PM0.06m | 8:23AM0.07m | 9:20PM0.05m | 8:51AM0.08m | ||||||||||||||||||
 | |  | | | |  | | | | | | |  | | | | | | | | | | | |
 | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
 | — | 6:19 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | 6:20 |
5 | 2 | 1 | 2 | 4 | 5 | 6 | 3 | 4 | 1 | 2 | 3 | 5 | 8 | 7 | 4 | 3 | 3 | 3 | 4 | 5 | 4 | 2 | 1 | |
Temp °C | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 |
29 | 29 | 29 | 29 | 29 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 30 | |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | S 11 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | WSW 7 |
 kJ | 787 | 653 | 623 | 522 | 505 | 425 | 425 | 425 | 418 | 353 | 404 | 103 | 103 | 103 | 101 | 240 | 530 | 522 | 501 | 747 | 725 | 725 | 609 | 204 |
Swell 2 Height (m) Direction Period (s) | S 20 | S 20 | S 20 | WSW 6 | SSW 18 | SSW 18 | WSW 6 | SSW 18 | SSW 17 | SSW 17 | S 17 | S 11 | S 11 | S 11 | S 11 | SSW 15 | S 11 | S 11 | WSW 6 | WSW 6 | SW 15 | ESE 9 | SSW 19 | S 13 |
| kJ | 7 | 7 | 7 | 103 | 31 | 31 | 125 | 63 | 58 | 109 | 142 | 257 | 248 | 244 | 240 | 365 | 184 | 227 | 68 | 62 | 75 | 7 | 72 | 609 |
Swell 3 Height (m) Direction Period (s) | S 20 | SSW 19 | SSW 18 | SSW 18 | SE 8 | SE 8 | SSW 18 | SE 8 | SE 8 | S 17 | SSW 17 | SSW 16 | S 16 | SSW 16 | SSW 16 | SW 15 | SE 9 | W 6 | S 11 | ESE 8 | ESE 9 | SSW 21 | SSW 19 | SSW 19 |
| kJ | 7 | 36 | 32 | 32 | 11 | 11 | 31 | 11 | 11 | 53 | 59 | 151 | 254 | 269 | 329 | 116 | 12 | 79 | 181 | 7 | 7 | 42 | 35 | 146 |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | WSW 6 | W 6 | WSW 6 | WSW 6 | — | WSW 6 | W 6 | WSW 6 | W 6 | W 6 | W 6 | W 6 | — | W 6 | WSW 6 | — | W 6 | — | WSW 6 | WSW 6 | WSW 6 | W 7 |
| kJ | 81 | 94 | 98 | 135 | 107 | 121 | — | 101 | 97 | 104 | 100 | 130 | 112 | 112 | — | 81 | 85 | — | 76 | — | 62 | 92 | 160 | 236 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 201 | 961 | 202 | 961 | 202 | 202 | 202 | 201 | 201 | 1510 | 866 | 202 | 202 | 202 | 202 | 201 | 202 | 1510 | 202 | 202 | 202 | 202 | 202 | 202 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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