Surf Forecasts:
How big are the waves at Rivermouth (Hikkaduwa) today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 6.5ft (2.0m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 6ft (1.9m), 14s period with SSW swell.
- Evening surf: Evening surf (20 Sep, local time) - 6ft (1.9m), 14s period with SSW swell.
The current surf forecast for Rivermouth (Hikkaduwa) at 6PM is: 1.9m 14s primary swell from a South-southwest direction and 0.3m 18s secondary swell from a South direction, 1.4m 6s secondary swell from a West direction (forecast issued at 10:30am September 20). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 6.5ft (2.0m) | 15s |
| Afternoon (20 Sep) | 6ft (1.9m) | 14s |
| Evening (20 Sep) | 6ft (1.9m) | 14s |
Table - waves today at Rivermouth (Hikkaduwa). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 96mm), heaviest during Sun morning. Warm (max 28°C on Tue morning, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||
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 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 13 | S 12 | S 12 | S 12 | S 12 | WSW 6 | WSW 7 | SSW 17 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 1737 | 1659 | 1464 | 1614 | 1399 | 1224 | 1016 | 861 | 836 | 700 | 690 | 690 | 590 | 507 | 547 | 439 | 432 | 432 | 350 | 280 | 304 | 419 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | 6:00AM0.37m | 4:15AM0.31m | 11:53AM0.41m | 1:05AM0.36m | 12:25PM0.48m | |||||||||||||||||
Low Tide | 8:21PM0.24m | 5:33AM0.31m | 7:11PM0.20m | 6:17AM0.26m | 7:06PM0.16m | |||||||||||||||||
 | |  | |  | | | | | | | | | | | | | | | | | | |
 | 5:58 | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:05 | — | — |
mm | 9 | 7 | 4 | 5 | 4 | 1 | 3 | 4 | 3 | 4 | 5 | 5 | 5 | 5 | 4 | 4 | 2 | 2 | 4 | 2 | 2 | 5 |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 |
Feels °C | 28 | 27 | 28 | 28 | 28 | 29 | 27 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 27 | 28 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 13 | S 12 | S 12 | S 12 | S 12 | SSW 12 | S 12 | S 12 |
| kJ | 1737 | 1659 | 1464 | 1614 | 1399 | 1224 | 1016 | 861 | 836 | 700 | 690 | 690 | 590 | 507 | 547 | 439 | 432 | 432 | 350 | 206 | 276 | 276 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | ESE 8 | SE 8 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 15 | S 15 | SSW 18 | S 13 | SSW 18 | SSW 18 | SSW 17 | SSW 18 | SSW 18 | SSE 12 | SSW 17 | SSW 17 |
| kJ | 6 | 6 | 2 | 57 | 56 | 55 | 91 | 84 | 47 | 79 | 39 | 68 | 64 | 87 | 178 | 174 | 168 | 243 | 340 | 192 | 304 | 419 |
Swell 3 Height (m) Direction Period (s) | — | S 19 | ESE 8 | SE 8 | SE 8 | ESE 8 | S 21 | SW 20 | SSW 20 | SSW 19 | SSW 19 | SSW 19 | S 15 | SSW 18 | S 13 | S 13 | S 13 | SE 8 | SSE 12 | SSW 18 | SSW 12 | SSW 12 |
| kJ | — | 28 | 6 | 2 | 2 | 6 | 9 | 16 | 38 | 37 | 37 | 70 | 38 | 126 | 31 | 31 | 54 | 2 | 49 | 174 | 98 | 56 |
Wind waves Height (m) Direction Period (s) | WSW 6 | WSW 6 | WSW 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 7 | WSW 7 |
| kJ | 165 | 184 | 205 | 144 | 148 | 176 | 182 | 182 | 178 | 161 | 155 | 176 | 176 | 176 | 176 | 205 | 212 | 212 | 237 | 280 | 298 | 307 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 338 | 210 | 859 | 209 | 209 | 210 | 210 | 210 | 210 | 209 | 210 | 859 | 210 | 210 | 210 | 210 | 210 | 209 | 723 | 859 | 859 | 859 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||
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