Surf Break

Lat Long: 6.12° N 80.11° E

Rivermouth (Hikkaduwa) 48 hour detailed Surf Forecast

Issued: 10 am 18 Oct 2026 (local time)

Forecast update in  hr  min

Today's Rivermouth (Hikkaduwa) sea temperature is
29.5°C
1.4° 

Rivermouth (Hikkaduwa) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


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 4PM is: 0.7m 14s primary swell from a South-southwest direction and 0.9m 10s secondary swell from a South direction, 0.4m 5s secondary swell from a West-southwest direction (forecast issued at 10:30am October 18). The wind direction is predicted to be cross-onshore.

Time (+0530) & DateWave HeightWave 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 Forecast

Moderate rain (total 13mm), heaviest on Tue 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
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
Rating
(10 max)
1
0
1
0
2
2
2
2
3
2
1
3
3
3
3
3
4
2
0
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
15
0.9
SSW
15
0.9
S
11
0.7
SSW
14
0.9
SSW
14
0.8
S
16
0.9
SSW
16
0.9
S
17
1
S
18
1
S
18
1.7
S
17
1.7
S
16
1.7
S
16
1.7
S
16
1.5
SSW
16
1.7
S
15
1.6
S
15
1.5
S
15
1.5
S
14
1.4
S
14
1.4
SSW
14
1.2
SSW
14
Wave Graph
Metric surfscale
Energy kJ
309
309
195
170
366
306
427
481
625
625
1739
1591
1515
1496
1038
1386
1154
978
931
791
799
519
Wind (km/h)
10
NW
15
WNW
15
W
10
WSW
10
W
5
WSW
5
W
5
W
10
W
15
W
15
W
15
WNW
10
WNW
10
WNW
10
WNW
10
NW
10
NW
15
WNW
20
W
15
WNW
15
WNW
15
WNW
Wind State
cross
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
cross-off
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
4:31PM0.33m
5:40AM0.41m
10:14AM0.39m
Low Tide
11:33AM0.24m
10:27PM0.23m
6:48PM0.27m
5:49PM0.23m
clear
clear
clear
clear
clear
thunderstorm
part cloud
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
clear
part cloud
clear
part cloud
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
—
—
—
—
—
—
5:54
—
—
—
—
—
—
—
5:54
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
5:53
—
—
—
—
—
—
—
5:52
—
—
—
—
—
—
—
5:52
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—
 mm
—
—
—
—
—
1
—
1
—
1
1
—
—
—
1
2
—
—
—
—
—
1
Temp °C
28
29
29
28
28
27
27
27
28
28
28
28
28
27
27
27
28
29
29
28
28
28
Feels °C
32
32
32
31
32
31
31
32
32
31
30
31
32
30
31
31
32
31
31
30
31
32
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

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