Surf Forecasts:
How big are the waves at Rivermouth (Hikkaduwa) today (19 Jun):
- Morning surf: Morning surf (19 Jun, local time) - 2.5ft (0.8m), 18s period with SSW swell.
- Afternoon surf: Afternoon surf (19 Jun, local time) - 3.5ft (1.0m), 17s period with SSW swell.
- Evening surf: Evening surf (19 Jun, local time) - 4ft (1.2m), 16s period with SSW swell.
The current surf forecast for Rivermouth (Hikkaduwa) at 4AM is: 0.5m 18s primary swell from a South-southwest direction and 0.7m 9s secondary swell from a South-southeast direction, 0.6m 12s secondary swell from a South-southwest direction, 1.4m 6s secondary swell from a West-southwest direction (forecast issued at 10:30pm June 18). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Jun) | 2.5ft (0.8m) | 18s |
| Afternoon (19 Jun) | 3.5ft (1.0m) | 17s |
| Evening (19 Jun) | 4ft (1.2m) | 16s |
Table - waves today at Rivermouth (Hikkaduwa). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 26mm), heaviest during Thu night. Warm (max 28°C on Fri morning, min 27°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | W 6 | W 6 | W 6 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | W 11 | WSW 10 | SSW 13 | WSW 10 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 151 | 151 | 151 | 193 | 352 | 480 | 576 | 627 | 742 | 733 | 706 | 746 | 763 | 742 | 732 | 712 | 702 | 682 | 479 | 368 | 385 | 368 | 394 | 604 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | on | on | on | on | on | on | on | on | on |
High Tide | 4:46AM0.50m | 4:48PM0.59m | 5:36AM0.50m | 5:24PM0.55m | 6:31AM0.49m | |||||||||||||||||||
Low Tide | 10:40PM0.08m | 10:26AM0.16m | 11:18PM0.10m | 11:11AM0.22m | 11:57PM0.12m | 12:03PM0.27m | ||||||||||||||||||
 | | | |  | | |  |  | | | | | |  | |  | | | | | | | | |
 | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 |
mm | 2 | 1 | 3 | 3 | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | 3 | 3 | 3 |
Temp °C | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 30 | 28 | 28 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 14 |
| kJ | 86 | 86 | 86 | 86 | 352 | 480 | 576 | 627 | 742 | 733 | 706 | 746 | 763 | 742 | 732 | 712 | 702 | 682 | 479 | 368 | 368 | 368 | 362 | 604 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSE 9 | SSE 9 | S 9 | S 9 | W 6 | W 6 | W 9 | S 9 | SSE 9 | W 8 | W 10 | W 10 | W 10 | W 10 | SSW 16 | SSW 16 | SSW 17 | W 10 | SSW 17 | SSE 9 |
| kJ | 106 | 103 | 99 | 99 | 65 | 64 | 78 | 76 | 83 | 66 | 148 | 108 | 65 | 92 | 161 | 158 | 188 | 220 | 269 | 280 | 304 | 202 | 300 | 58 |
Swell 3 Height (m) Direction Period (s) | WNW 9 | W 9 | W 9 | SSW 18 | SSW 12 | SSW 12 | W 8 | SW 12 | S 9 | S 9 | S 9 | SW 11 | SW 11 | SSE 9 | S 9 | S 9 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSW 17 | SSE 10 | SSW 20 |
| kJ | 29 | 42 | 38 | 193 | 98 | 98 | 50 | 69 | 99 | 103 | 106 | 30 | 30 | 86 | 106 | 106 | 102 | 104 | 88 | 86 | 61 | 311 | 60 | 75 |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 6 | WSW 6 | WSW 6 | W 6 | W 6 | W 6 | — | — | W 6 | W 9 | W 8 | SW 5 | — | — | — | — | W 9 | W 11 | WSW 10 | WSW 5 | WSW 10 | WSW 10 |
| kJ | 151 | 151 | 151 | 145 | 126 | 118 | 102 | 99 | — | — | 66 | 145 | 144 | 12 | — | — | — | — | 246 | 319 | 385 | 58 | 394 | 454 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 210 | 210 | 210 | 210 | 210 | 209 | 209 | 741 | 19 | 19 | 19 | 19 | 19 | 19 | 859 | 859 | 19 | 859 | 428 | 428 | 859 | 650 | 650 | 859 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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