Surf Forecasts:
How big are the waves at Dewata today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 7ft (2.2m), 19s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 7ft (2.2m), 19s period with SSW swell.
- Evening surf: Evening surf (18 Aug, local time) - 7ft (2.1m), 18s period with SSW swell.
The current surf forecast for Dewata at 12PM is: 2.2m 19s primary swell from a South-southwest direction (forecast issued at 04:30am August 18). An open ocean swell of 0.9m 9s is not directed at the surf break, a second 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 (18 Aug) | 7ft (2.2m) | 19s |
| Afternoon (18 Aug) | 7ft (2.2m) | 19s |
| Evening (18 Aug) | 7ft (2.1m) | 18s |
Table - waves today at Dewata. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Tue morning. Warm (max 28°C on Tue morning, min 26°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||||
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 | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SSW 21 | SSW 20 | SSW 19 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2330 | 2389 | 3484 | 3448 | 3412 | 3306 | 2770 | 2678 | 2897 | 2864 | 2864 | 2832 | 2798 | 3056 | 2987 | 2783 | 2458 | 2398 | 2160 | 1892 | 1869 | 1643 | 1437 | 1364 |
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 | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:20AM0.48m | 5:04PM0.43m | 5:48AM0.44m | 5:26PM0.38m | 6:19AM0.40m | 5:48PM0.33m | ||||||||||||||||||
Low Tide | 11:16AM0.08m | 11:18PM-0.01m | 11:42AM0.12m | 11:38PM0.04m | 12:08PM0.17m | |||||||||||||||||||
 | |  | |  | |  | | | | | | | | | | | | | |  | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | 4 | 4 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | 1 |
Temp °C | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 |
Feels °C | 28 | 28 | 29 | 30 | 29 | 29 | 30 | 30 | 28 | 28 | 29 | 29 | 29 | 28 | 29 | 28 | 28 | 27 | 29 | 29 | 29 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 21 | SSW 20 | SSW 19 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 |
| kJ | 2330 | 2389 | 3484 | 3448 | 3412 | 3306 | 2770 | 2678 | 2897 | 2864 | 2864 | 2832 | 2798 | 3056 | 2987 | 2783 | 2458 | 2398 | 2160 | 1892 | 1869 | 1643 | 1437 | 1364 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | WSW 6 | W 9 | SSE 10 | SSE 10 | W 9 | W 9 | SSE 9 | W 9 | W 9 | S 19 | S 18 | S 18 | S 18 | — | S 12 | S 12 | S 12 | W 9 | WNW 11 | W 10 | W 10 | W 10 |
| kJ | 96 | 71 | 126 | 139 | 81 | 80 | 203 | 203 | 66 | 199 | 194 | 900 | 1279 | 1615 | 1561 | — | 221 | 225 | 285 | 45 | 24 | 46 | 49 | 30 |
Swell 3 Height (m) Direction Period (s) | SSW 14 | SSW 15 | SSE 10 | SSE 10 | — | — | S 10 | S 9 | S 21 | — | — | W 9 | SSE 9 | — | — | — | W 8 | W 9 | W 9 | — | — | — | — | — |
| kJ | 120 | 121 | 109 | 107 | — | — | 44 | 43 | 323 | — | — | 57 | 44 | — | — | — | 52 | 45 | 38 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 6 | WSW 6 | — | W 6 | W 6 | W 6 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 6 | W 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | W 6 | W 6 | W 6 | W 6 |
| kJ | 97 | 101 | — | 130 | 135 | 119 | 301 | 255 | 169 | 234 | 268 | 190 | 190 | 82 | 66 | 67 | 77 | 97 | 101 | 104 | 118 | 98 | 94 | 69 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 202 | 202 | 202 | 199 | 752 | 752 | 11 | 38 | 202 | 354 | 202 | 201 | 866 | 866 | 866 | 762 | 202 | 202 | 202 | 195 | 195 | 201 | 201 | 201 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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