Surf Forecasts:
How big are the waves at Dewata today (18 Jul):
- Afternoon surf: Afternoon surf (18 Jul, local time) - 3ft (0.9m), 13s period with SSW swell.
- Evening surf: Evening surf (18 Jul, local time) - 2.5ft (0.8m), 13s period with SSW swell.
The current surf forecast for Dewata at 9PM is: 0.8m 13s primary swell from a South-southwest direction and 0.6m 9s secondary swell from a South direction, 1.0m 6s secondary swell from a West direction (forecast issued at 04:30pm July 18). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | - | - |
| Afternoon (18 Jul) | 3ft (0.9m) | 13s |
| Evening (18 Jul) | 2.5ft (0.8m) | 13s |
Table - waves today at Dewata. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 36mm), heaviest during Sat night. Warm (max 28°C on Sat afternoon, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | ||||||||||||||||||
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 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 13 | SSW 13 | S 19 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 |
Wave Graph  | ||||||||||||||||||||
 kJ | 257 | 201 | 201 | 201 | 201 | 198 | 229 | 225 | 222 | 212 | 265 | 212 | 282 | 470 | 509 | 632 | 751 | 675 | 752 | 743 |
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 | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:44PM0.48m | 5:32AM0.46m | 5:12PM0.44m | 6:08AM0.44m | 5:39PM0.40m | |||||||||||||||
Low Tide | 11:01PM-0.06m | 11:18AM0.08m | 11:33PM-0.03m | 11:56AM0.12m | ||||||||||||||||
 |  |  | | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — |
mm | — | — | 1 | 1 | 1 | 3 | 2 | 3 | 2 | 2 | 1 | 1 | 3 | 3 | 3 | 2 | 2 | 1 | 1 | 1 |
Temp °C | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 27 | 27 | 28 | 28 | 28 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 13 | SSW 13 | S 13 | S 13 | S 13 | S 18 | S 17 | S 16 | S 16 |
| kJ | 257 | 201 | 201 | 201 | 201 | 198 | 229 | 225 | 222 | 212 | 265 | 212 | 282 | 408 | 408 | 408 | 751 | 675 | 752 | 743 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 8 | W 9 | W 9 | W 9 | W 9 | W 10 | W 10 | S 8 | S 8 | S 19 | S 18 | S 18 | S 10 | S 10 | S 10 | S 10 |
| kJ | 76 | 74 | 55 | 53 | 50 | 60 | 58 | 61 | 64 | 67 | 92 | 82 | 80 | 470 | 509 | 632 | 208 | 168 | 218 | 177 |
Swell 3 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | W 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | W 10 | W 10 | W 10 | W 9 | W 10 | SSW 13 | SSW 13 | SSW 12 | SSW 12 |
| kJ | 47 | 45 | 45 | 44 | 61 | 49 | 34 | 34 | 33 | 33 | 32 | 92 | 90 | 88 | 85 | 151 | 129 | 125 | 29 | 29 |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 6 | WSW 6 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 6 | WSW 6 | W 6 | W 6 | W 6 | W 6 | W 9 | W 10 | W 10 | W 10 | W 10 |
| kJ | 62 | 62 | 62 | 50 | 47 | 60 | 60 | 72 | 74 | 81 | 84 | 64 | 62 | 62 | 64 | 251 | 257 | 268 | 268 | 273 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 661 | 203 | 201 | 202 | 202 | 202 | 202 | 201 | 750 | 750 | 750 | 202 | 202 | 202 | 202 | 201 | 750 | 201 | 201 | 195 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||
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