Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Rivermouth (Hikkaduwa) surfForecast / West / Sri Lanka
48hr Weather and Surf, issued 10 am Monday 22 Dec 2025 +0530Forecast update in hr min s Forecast update imminent
Rivermouth (Hikkaduwa) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rivermouth (Hikkaduwa) sea temperature is
27.7° C
(Which is normal for this time of year)How big are the waves at Rivermouth (Hikkaduwa) today?
The current surf forecast for Rivermouth (Hikkaduwa) at 5PM is: 0.7m 10s primary swell from a South direction (forecast issued at 10:30am December 22). An open ocean swell of 0.7m 6s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Dec) | 2.5ft (0.8m) | 9s |
| Afternoon (22 Dec) | 2.5ft (0.7m) | 10s |
| Evening (22 Dec) | 2.5ft (0.7m) | 10s |
Table - waves today at Rivermouth (Hikkaduwa). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 22 | Tuesday 23 | Wednesday 24 | Thu 25 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 9 | 10 | 10 | 10 | 10 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 16 | 16 | 16 | 10 | 10 | 10 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 113 | 66 | 88 | 90 | 90 | 88 | 87 | 94 | 92 | 92 | 98 | 96 | 69 | 69 | 69 | 69 | 68 | 99 | 99 | 98 | 91 | 81 | 85 | 142 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- on | cross- on | glass | glass | glass | cross- off | cross- off | cross- off | cross | cross- on | cross | glass | glass | glass | glass | cross- off | cross- on | on | glass | cross | cross | cross- off | cross- off |
High Tide / height (m) | 3:33PM 0.47 | 3:43AM 0.64 | 4:07PM 0.48 | 4:12AM 0.64 | 4:43PM 0.49 | 4:42AM 0.61 | ||||||||||||||||||
Low Tide / height (m) | 9:38AM 0.06 | 9:11PM 0.08 | 10:09AM 0.07 | 9:44PM 0.11 | 10:40AM 0.08 | 10:20PM 0.15 | ||||||||||||||||||
Monday 22 | Tuesday 23 | Wednesday 24 | Thu 25 | |||||||||||||||||||||
| Sunrise | 6:13 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:00 | - | - | - | - |
 | |  | |  | |  | |  | | | |  | | | | | | | |  | | | | |
Rain (mm) | - | - | 1 | 1 | - | - | - | - | - | - | 1 | - | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 26 | 26 | 27 | 26 | 26 | 25 | 24 | 25 | 26 | 27 | 26 | 26 | 26 | 25 | 24 | 25 | 26 | 27 | 26 | 26 | 25 | 24 | 24 |
| Feels °C (?) | 29 | 30 | 29 | 31 | 30 | 31 | 28 | 27 | 28 | 29 | 30 | 28 | 30 | 30 | 29 | 28 | 29 | 29 | 30 | 29 | 28 | 27 | 26 | 27 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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