Surf Forecasts:
How big are the waves at Rivermouth (Hikkaduwa) today (17 Oct):
- Morning surf: Morning surf (17 Oct, local time) - 2.5ft (0.7m), 17s period with SSW swell.
- Afternoon surf: Afternoon surf (17 Oct, local time) - 2.5ft (0.7m), 16s period with SSW swell.
- Evening surf: Evening surf (17 Oct, local time) - 2.5ft (0.8m), 16s period with SSW swell.
The current surf forecast for Rivermouth (Hikkaduwa) at 12PM is: 0.7m 16s primary swell from a South-southwest direction and 0.8m 8s secondary swell from a South direction (forecast issued at 04:30am October 17). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 2.5ft (0.7m) | 17s |
| Afternoon (17 Oct) | 2.5ft (0.7m) | 16s |
| Evening (17 Oct) | 2.5ft (0.8m) | 16s |
Table - waves today at Rivermouth (Hikkaduwa). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Sat night. Warm (max 29°C on Sun morning, min 26°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 17 | Sunday 18 | Monday 19 | ||||||||||||||||||||||
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 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | S 10 | S 10 | SSW 14 | S 16 | SSW 16 | S 17 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 276 | 273 | 258 | 234 | 232 | 229 | 326 | 273 | 249 | 246 | 309 | 309 | 206 | 237 | 366 | 306 | 427 | 481 | 625 | 625 | 1739 | 1564 | 1515 | 1496 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | cross-on | cross-on | cross-on | on | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:36AM0.51m | 4:24PM0.38m | 5:02AM0.46m | 4:31PM0.33m | 5:40AM0.41m | |||||||||||||||||||
Low Tide | 10:53AM0.18m | 10:19PM0.16m | 11:33AM0.24m | 10:27PM0.23m | 6:48PM0.27m | |||||||||||||||||||
 | |  | |  | | | | | |  | | | |  | |  | | | | | | | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | 4 | 1 | — | — | — | — | 1 | 1 | 2 | 3 | 1 | — | 1 | — | — | — | — | 1 | 2 | 1 | 1 | — | — | 1 |
Temp °C | 26 | 25 | 26 | 28 | 28 | 28 | 28 | 27 | 27 | 26 | 27 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 27 | 29 | 29 | 28 | 28 | 27 |
Feels °C | 31 | 29 | 31 | 32 | 31 | 31 | 32 | 31 | 31 | 30 | 32 | 32 | 32 | 31 | 32 | 33 | 32 | 32 | 32 | 33 | 32 | 31 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SSW 16 | S 7 | S 9 | S 9 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 17 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 |
| kJ | 89 | 76 | 80 | 78 | 74 | 72 | 326 | 87 | 140 | 140 | 171 | 214 | 206 | 237 | 194 | 154 | 153 | 481 | 625 | 625 | 1739 | 1564 | 1515 | 1496 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | S 7 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | S 16 | SSW 16 | S 10 | S 10 | S 10 | WSW 8 | WSW 7 | W 7 | W 7 |
| kJ | 276 | 273 | 258 | 234 | 232 | 229 | 70 | 273 | 249 | 246 | 309 | 309 | 180 | 170 | 366 | 306 | 427 | 153 | 183 | 148 | 44 | 43 | 28 | 27 |
Swell 3 Height (m) Direction Period (s) | W 5 | W 5 | W 5 | W 5 | W 5 | W 5 | W 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | S 16 | S 16 | WSW 8 | SSW 13 | WSW 8 | SSW 13 | SSW 13 | SSW 14 | WSW 8 | WSW 7 | WSW 7 | WSW 7 |
| kJ | 11 | 13 | 11 | 11 | 7 | 12 | 13 | 9 | 9 | 10 | 10 | 10 | 195 | 193 | 45 | 156 | 51 | 198 | 253 | 331 | 32 | 31 | 30 | 29 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | W 5 | — | — | — | — | — | — | — | WSW 5 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 8 | — | — | — | — | — | — | — | 8 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 19 | 19 | 19 | 19 | 19 | 19 | 0 | 0 | 19 | 19 | 19 | 19 | 0 | 0 | 0 | 0 | 19 | 19 | 19 | 19 | 5 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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