Surf Forecasts:
How big are the waves at Dewata today (21 Oct):
- Afternoon surf: Afternoon surf (21 Oct, local time) - 2.5ft (0.8m), 13s period with SSW swell.
- Evening surf: Evening surf (21 Oct, local time) - 2ft (0.6m), 19s period with SSW swell.
The current surf forecast for Dewata at 10PM is: 0.5m 19s primary swell from a South-southwest direction and 0.7m 12s secondary swell from a South-southwest direction, 0.6m 9s secondary swell from a South direction, 0.9m 5s secondary swell from a West-southwest direction (forecast issued at 04:30pm October 21). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | - | - |
| Afternoon (21 Oct) | 2.5ft (0.8m) | 13s |
| Evening (21 Oct) | 2ft (0.6m) | 19s |
Table - waves today at Dewata. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 193mm), heaviest during Fri morning. Warm (max 28°C on Wed afternoon, min 24°C on Fri morning). Mainly fresh winds. | ||||||||||||||||||||
Wed 21 | Thursday 22 | Friday 23 | ||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SSW 13 | SSW 19 | SSW 19 | SSW 19 | S 12 | SSW 18 | SSW 18 | SSW 17 | S 12 | SSW 16 | SSW 16 | S 21 | SW 8 | WSW 8 | WSW 9 | S 19 | S 19 | SSW 18 | SSW 18 | SSW 17 |
Wave Graph  | ||||||||||||||||||||
 kJ | 225 | 295 | 295 | 212 | 251 | 322 | 318 | 232 | 206 | 269 | 269 | 449 | 657 | 903 | 1060 | 913 | 1015 | 1106 | 1081 | 1057 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:34AM0.40m | 00:28AM0.47m | 12:17PM0.44m | 00:49AM0.54m | 12:51PM0.48m | |||||||||||||||
Low Tide | 6:17PM0.19m | 6:53AM0.21m | 6:37PM0.15m | 7:16AM0.16m | 6:56PM0.11m | |||||||||||||||
 | |  |  | | | | | | | | | | | | |  | |  | | |
 | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | 3 | 4 | 6 | 6 | 7 | 2 | 3 | 4 | 3 | 4 | 22 | 10 | 16 | 19 | 37 | 14 | 9 | 4 | — | 4 |
Temp °C | 28 | 27 | 27 | 25 | 26 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 26 | 27 | 26 |
Feels °C | 30 | 29 | 29 | 28 | 29 | 28 | 30 | 29 | 29 | 28 | 27 | 27 | 25 | 27 | 23 | 24 | 25 | 27 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 12 | SSW 12 | S 12 | S 12 | SSW 18 | S 12 | S 12 | S 11 | S 11 | S 11 | SSW 21 | S 9 | S 10 | S 9 | WSW 8 | SSW 18 | WSW 8 | WSW 8 |
| kJ | 225 | 222 | 160 | 152 | 232 | 228 | 318 | 177 | 174 | 163 | 154 | 151 | 599 | 203 | 235 | 199 | 583 | 1106 | 392 | 319 |
Swell 2 Height (m) Direction Period (s) | S 10 | SSW 19 | SSW 19 | S 9 | SSW 18 | SSW 18 | S 10 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | S 21 | SSW 15 | SSW 20 | S 20 | S 19 | S 19 | S 8 | SSW 18 | SSW 17 |
| kJ | 89 | 295 | 295 | 55 | 251 | 322 | 89 | 232 | 206 | 269 | 269 | 449 | 131 | 667 | 775 | 913 | 1015 | 113 | 1081 | 1057 |
Swell 3 Height (m) Direction Period (s) | SSW 20 | S 9 | S 9 | SSW 19 | WSW 10 | WSW 10 | S 12 | WSW 9 | WSW 9 | SSW 23 | S 22 | SSW 16 | S 8 | SSW 15 | SSW 15 | SSW 15 | S 9 | — | S 8 | S 8 |
| kJ | 225 | 55 | 55 | 212 | 33 | 31 | 72 | 27 | 45 | 179 | 249 | 144 | 36 | 123 | 167 | 167 | 150 | — | 108 | 82 |
Wind waves Height (m) Direction Period (s) | WSW 4 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 9 | WSW 5 | WSW 6 | SW 8 | WSW 8 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | W 8 | W 8 |
| kJ | 19 | 23 | 24 | 33 | 33 | 25 | 25 | 19 | 23 | 106 | 44 | 196 | 657 | 903 | 1060 | 778 | 671 | 521 | 522 | 387 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 201 | 201 | 38 | 1001 | 201 | 201 | 159 | 195 | 195 | 195 | 201 | 38 | 201 | 354 | 159 | 202 | 202 | 202 | 195 | 201 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||
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