Surf Forecasts:
How big are the waves at Rivermouth (Hikkaduwa) today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 3ft (0.9m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 2.5ft (0.7m), 14s period with SSW swell.
- Evening surf: Evening surf (18 Oct, local time) - 3ft (0.9m), 14s period with SSW swell.
The current surf forecast for Rivermouth (Hikkaduwa) at 8AM is: 0.9m 15s primary swell from a South-southwest direction and 0.8m 10s secondary swell from a South direction, 0.5m 5s secondary swell from a West direction (forecast issued at 04:30am October 18). The wind direction is predicted to be cross-shore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 3ft (0.9m) | 15s |
| Afternoon (18 Oct) | 2.5ft (0.7m) | 14s |
| Evening (18 Oct) | 3ft (0.9m) | 14s |
Table - waves today at Rivermouth (Hikkaduwa). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Sun night. Warm (max 29°C on Sun morning, min 27°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 18 | Monday 19 | Tuesday 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 15 | SSW 15 | SSW 15 | SSW 15 | S 11 | SSW 14 | SSW 14 | S 16 | SSW 16 | S 17 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | SSW 16 | S 15 | S 15 | S 15 | S 14 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 249 | 246 | 309 | 309 | 195 | 193 | 366 | 306 | 427 | 481 | 625 | 625 | 1739 | 1591 | 1515 | 1496 | 1038 | 1386 | 1154 | 978 | 931 | 822 | 799 | 519 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross | cross-on | cross-on | cross | cross-on |
High Tide | 5:02AM0.46m | 4:31PM0.33m | 5:40AM0.41m | 10:14AM0.39m | ||||||||||||||||||||
Low Tide | 11:33AM0.24m | 10:27PM0.23m | 6:48PM0.27m | 5:49PM0.23m | ||||||||||||||||||||
 | |  |  | | | | | | | |  | | |  |  | | | | | | | | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | 2 | 4 | 1 | — | — | — | 1 | 2 | 2 | 3 | 1 | — | 1 | — | — | — | 1 | — | — | — | — | — | 1 | 1 |
Temp °C | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 27 |
Feels °C | 31 | 31 | 32 | 32 | 32 | 31 | 32 | 31 | 31 | 31 | 32 | 32 | 31 | 31 | 32 | 32 | 31 | 31 | 31 | 30 | 31 | 30 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 10 | S 10 | S 11 | S 10 | SSW 14 | S 10 | S 10 | S 17 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | SSW 16 | S 15 | S 15 | S 15 | S 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 140 | 140 | 135 | 174 | 181 | 161 | 366 | 158 | 153 | 481 | 625 | 625 | 1739 | 1591 | 1515 | 1496 | 1038 | 1386 | 1154 | 978 | 931 | 822 | 799 | 519 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | S 10 | S 16 | SSW 16 | S 10 | S 10 | S 10 | S 10 | S 10 | W 7 | W 7 | S 9 | W 7 | W 7 | W 7 | S 26 | S 24 | SSW 24 | S 9 |
| kJ | 249 | 246 | 309 | 309 | 180 | 170 | 158 | 306 | 427 | 153 | 151 | 148 | 116 | 116 | 40 | 39 | 99 | 25 | 24 | 15 | 13 | 11 | 54 | 74 |
Swell 3 Height (m) Direction Period (s) | W 5 | WSW 5 | WSW 5 | WSW 5 | S 16 | S 16 | W 8 | WSW 8 | W 8 | SSW 13 | SSW 13 | SSW 14 | — | — | WSW 7 | W 7 | W 7 | SE 8 | WSW 7 | S 26 | S 20 | SW 20 | SW 19 | SSW 24 |
| kJ | 13 | 15 | 14 | 8 | 195 | 193 | 57 | 63 | 63 | 198 | 253 | 331 | — | — | 42 | 27 | 26 | 14 | 15 | 13 | 8 | 15 | 15 | 54 |
Wind waves Height (m) Direction Period (s) | — | W 5 | W 5 | — | W 5 | W 8 | — | — | — | W 8 | W 8 | W 8 | W 8 | W 7 | — | — | — | — | — | — | W 7 | W 7 | W 7 | W 7 |
| kJ | — | 13 | 13 | — | 11 | 58 | — | — | — | 63 | 60 | 57 | 55 | 54 | — | — | — | — | — | — | 23 | 22 | 22 | 21 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 19 | 19 | 17 | 19 | 19 | 19 | 19 | 19 | 19 | 10 | 19 | 19 | 170 | 19 | 19 | 15 | 15 | 15 | 0 | 34 | 338 | 741 | 19 | 19 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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