Surf Forecasts:
How big are the waves at Rivermouth (Hikkaduwa) today (22 Aug):
- Morning surf: Morning surf (22 Aug, local time) - 6ft (1.8m), 17s period with S swell.
- Afternoon surf: Afternoon surf (22 Aug, local time) - 6ft (1.8m), 15s period with S swell.
- Evening surf: Evening surf (22 Aug, local time) - 5.5ft (1.7m), 14s period with S swell.
The current surf forecast for Rivermouth (Hikkaduwa) at 8AM is: 1.8m 17s primary swell from a South direction and 1.1m 11s secondary swell from a South direction, 1.4m 6s secondary swell from a West direction (forecast issued at 04:30am August 22). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Aug) | 6ft (1.8m) | 17s |
| Afternoon (22 Aug) | 6ft (1.8m) | 15s |
| Evening (22 Aug) | 5.5ft (1.7m) | 14s |
Table - waves today at Rivermouth (Hikkaduwa). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 25mm), heaviest during Mon night. Warm (max 28°C on Sat morning, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||||||||||||
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) | S 17 | S 17 | S 17 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | S 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 675 | 1837 | 1859 | 1275 | 1409 | 1258 | 1225 | 1028 | 999 | 1014 | 880 | 843 | 694 | 683 | 572 | 488 | 480 | 529 | 522 | 505 | 561 | 661 | 661 | 1330 |
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 | 8:50AM0.38m | 12:12PM0.42m | 1:13AM0.32m | 12:51PM0.48m | ||||||||||||||||||||
Low Tide | 11:48PM0.20m | 8:59PM0.24m | 7:45PM0.20m | 6:20AM0.23m | 7:44PM0.15m | |||||||||||||||||||
 |  |  |  | |  | | | | | | | | | | | | | | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — |
mm | 1 | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 |
Temp °C | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 |
Feels °C | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 29 | 28 | 28 | 29 | 29 | 27 | 28 | 28 | 29 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 17 | S 17 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 16 |
| kJ | 653 | 1837 | 1859 | 1275 | 1409 | 1258 | 1225 | 1028 | 999 | 1014 | 880 | 843 | 694 | 683 | 572 | 488 | 480 | 529 | 496 | 418 | 418 | 418 | 409 | 1330 |
Swell 2 Height (m) Direction Period (s) | S 17 | S 17 | S 11 | S 18 | S 26 | S 26 | S 24 | SSW 24 | SSW 24 | SSW 22 | S 21 | S 21 | S 20 | S 20 | S 20 | S 19 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | S 16 |
| kJ | 675 | 708 | 274 | 155 | 13 | 13 | 44 | 184 | 108 | 156 | 332 | 332 | 305 | 373 | 373 | 361 | 422 | 522 | 522 | 505 | 561 | 661 | 661 | 522 |
Swell 3 Height (m) Direction Period (s) | W 9 | SSW 13 | — | S 26 | S 26 | S 26 | S 24 | S 24 | S 24 | S 22 | S 21 | WNW 11 | WNW 11 | WNW 10 | S 16 | WNW 10 | WNW 10 | WNW 10 | SSW 15 | W 10 | W 10 | W 10 | WNW 10 | W 10 |
| kJ | 39 | 59 | — | 13 | 13 | 13 | 44 | 97 | 173 | 83 | 233 | 12 | 11 | 11 | 47 | 20 | 33 | 32 | 21 | 49 | 50 | 50 | 77 | 30 |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | WSW 6 | WSW 6 | WSW 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 5 |
| kJ | 80 | 125 | 141 | 151 | 161 | 161 | 132 | 148 | 148 | 148 | 143 | 123 | 124 | 111 | 113 | 118 | 91 | 86 | 74 | 52 | 52 | 62 | 61 | 80 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 338 | 338 | 210 | 209 | 209 | 343 | 343 | 210 | 210 | 210 | 210 | 650 | 859 | 859 | 739 | 210 | 210 | 210 | 210 | 209 | 1338 | 885 | 739 | 210 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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