Surf Forecasts:
How big are the waves at Rivermouth (Hikkaduwa) today (10 Aug):
- Afternoon surf: Afternoon surf (10 Aug, local time) - 3.5ft (1.1m), 15s period with SSW swell.
- Evening surf: Evening surf (10 Aug, local time) - 3.5ft (1.1m), 14s period with S swell.
The current surf forecast for Rivermouth (Hikkaduwa) at 10PM is: 1.1m 14s primary swell from a South direction and 1.2m 11s secondary swell from a South direction, 1.2m 9s secondary swell from a West direction (forecast issued at 04:30pm August 10). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Aug) | - | - |
| Afternoon (10 Aug) | 3.5ft (1.1m) | 15s |
| Evening (10 Aug) | 3.5ft (1.1m) | 14s |
Table - waves today at Rivermouth (Hikkaduwa). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 43mm), heaviest during Tue night. Warm (max 27°C on Mon afternoon, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Mon 10 | Tuesday 11 | Wednesday 12 | ||||||||||||||||||
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 15 | S 14 | S 14 | S 14 | S 11 | S 21 | S 11 | S 19 | S 19 | S 18 | S 18 | S 18 | S 18 | S 17 | W 10 | W 10 | SSW 16 | S 16 | WNW 9 | W 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 551 | 1147 | 480 | 453 | 366 | 681 | 355 | 1277 | 1225 | 777 | 885 | 1051 | 871 | 560 | 327 | 325 | 547 | 516 | 216 | 165 |
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 | 12:59PM0.56m | 1:28AM0.41m | 1:37PM0.61m | 2:03AM0.49m | 2:09PM0.65m | |||||||||||||||
Low Tide | 7:48PM0.14m | 7:09AM0.14m | 8:12PM0.09m | 7:53AM0.10m | 8:36PM0.05m | |||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 1 |
Temp °C | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 |
Feels °C | 29 | 29 | 29 | 29 | 28 | 28 | 29 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 29 | 28 | 29 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 14 | S 11 | S 11 | S 11 | S 10 | S 11 | S 19 | S 19 | S 11 | W 10 | S 18 | W 10 | W 10 | W 10 | S 12 | SSW 16 | W 9 | WNW 9 | W 9 |
| kJ | 389 | 1147 | 326 | 371 | 326 | 244 | 338 | 1277 | 1225 | 345 | 279 | 1051 | 284 | 333 | 327 | 276 | 547 | 287 | 216 | 165 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 22 | W 9 | W 9 | W 9 | S 13 | W 9 | S 12 | S 11 | S 18 | S 18 | W 10 | S 18 | S 12 | S 12 | SSE 10 | S 12 | S 16 | SSE 12 | SSE 10 |
| kJ | 551 | 526 | 251 | 212 | 207 | 434 | 256 | 330 | 351 | 777 | 885 | 279 | 871 | 259 | 280 | 149 | 213 | 516 | 177 | 146 |
Swell 3 Height (m) Direction Period (s) | SSW 22 | W 7 | S 14 | S 14 | S 13 | S 21 | S 13 | S 13 | SSW 13 | SSW 12 | S 12 | S 11 | SSE 11 | S 17 | SSE 10 | S 16 | SSE 10 | SSE 10 | S 11 | S 11 |
| kJ | 415 | 88 | 480 | 453 | 366 | 681 | 355 | 350 | 212 | 205 | 304 | 260 | 214 | 560 | 155 | 325 | 160 | 195 | 110 | 110 |
Wind waves Height (m) Direction Period (s) | W 7 | W 9 | — | — | — | W 9 | — | W 10 | W 6 | W 6 | — | — | W 6 | — | — | W 10 | W 10 | — | SSW 5 | SW 5 |
| kJ | 186 | 235 | — | — | — | 212 | — | 226 | 52 | 50 | — | — | 30 | — | — | 314 | 356 | — | 24 | 20 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 859 | 859 | 54 | 19 | 210 | 338 | 210 | 650 | 768 | 338 | 54 | 19 | 338 | 54 | 210 | 723 | 859 | 19 | 19 | 19 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||
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