The Cave surfForecast / East / Sri Lanka

information circle16 Day Weather and Surf, issued 10 am Saturday 25 Apr 2026 +0530
Forecast update in hr  min  s Forecast update imminent
The Cave surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Cave sea temperature is
30.7° C
(Which is 1.0°C warmer than normal for this time of year)

Best Forecast Surf Conditions for The Cave this week:

The surf forecast for The Cave over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Apr 25) at 11PM. The primary swell is predicted to be 0.5m and 19s period with a secondary swell of 0.7m and 9s. Another secondary swell of 0.6m and 12s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at The Cave in the next 16 days are 0.8m 18s and forecast to arrive on Sunday (Apr 26) at 5AM. Winds are predicted to be offshore at the time the swell arrives.

Wave TypeTime (+0530) & Date Wave Height & Period
Next good surf (1 star+)11PM (Sat 25th Apr)1.5ft (0.5m) 19s
Best Surf 5AM (Sun 26th Apr)2.5ft (0.8m) 18s
Most Powerful 5AM (Sun 26th Apr)2.5ft (0.8m) 18s

Table - best surf conditions forecast for The Cave over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Sun night. Warm (max 30°C on Sat morning, min 26°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 6mm), mostly falling on Thu afternoon. Warm (max 31°C on Wed morning, min 27°C on Tue afternoon). Mainly fresh winds.

Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
2
0
1
1
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.6
S
13
0.5
S
20
0.7
S
18
0.7
S
16
0.8
S
16
0.8
S
15
0.9
SSE
10
0.9
SSE
10
0.9
SSE
10
0.9
SSE
9
0.8
SSE
9
0.9
SSE
10
0.6
S
9
0.4
SW
16
0.4
S
16
0.4
S
16
0.4
S
15
0.5
S
18
0.7
S
16
0.7
SSW
16
0.7
SSW
14
Wave Graph
Metric surfscale
Energy kJ
130
186
304
262
325
271
144
137
159
147
92
137
59
66
83
76
71
156
251
259
218
Wind (km/h)
15
E
15
E
5
N
10
E
10
ESE
5
WSW
10
SSE
15
S
15
SW
20
SSW
20
SSW
20
SW
25
SSW
25
SSW
20
SW
25
SSW
30
SSW
20
WSW
10
ENE
15
SSW
20
SW
cross-on
cross-on
glassy
cross-on
cross-on
cross
on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross
cross
cross-on
cross
High Tide
1:55PM0.22m
2:07AM0.10m
1:59PM0.22m
2:12AM0.12m
2:04PM0.22m
2:27AM0.13m
2:10PM0.22m
2:48AM0.15m
2:18PM0.22m
3:12AM0.16m
2:27PM0.22m
3:36AM0.17m
2:37PM0.21m
3:59AM0.17m
Low Tide
9:22PM0.07m
6:44AM0.07m
9:06PM0.06m
7:09AM0.06m
8:59PM0.05m
7:33AM0.07m
8:59PM0.04m
7:57AM0.07m
9:06PM0.02m
8:19AM0.08m
9:16PM0.01m
8:40AM0.09m
9:29PM0.01m
clear
clear
clear
clear
clear
thunderstorm
clear
thunderstorm
thunderstorm
cloud
thunderstorm
part cloud
part cloud
clear
clear
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:50
5:50
5:50
5:50
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:09
6:09
6:09
6:09
6:09
6:09
6:09
2
1
1
1
4
1
2
Temp °C
30
30
29
29
30
29
30
29
28
30
28
28
31
31
29
31
30
28
31
28
28
33
32
33
32
32
33
33
31
31
31
29
30
32
31
31
32
30
29
34
32
31
Swell 1
Height (m)
Direction
Period (s)
0.7
SSE
9
0.8
SSE
9
0.7
S
18
0.9
SSE
11
0.9
SSE
11
0.9
SSE
10
0.9
SSE
10
0.9
SSE
10
0.9
SSE
10
0.9
SSE
9
0.8
SSE
9
0.9
SSE
10
0.6
S
9
0.5
S
9
0.5
SE
9
0.5
SE
8
0.5
S
10
0.6
SSE
9
0.8
SSE
9
0.7
SSW
16
0.7
SSW
14
Energy kJ
90
90
304
210
202
158
140
137
159
147
92
137
59
42
37
35
49
68
110
259
218
Swell 2
Height (m)
Direction
Period (s)
0.6
S
13
0.6
S
13
0.6
S
12
0.7
S
16
0.8
S
16
0.8
S
15
0.6
S
14
0.6
S
13
0.5
S
13
0.4
S
12
0.5
S
12
0.2
SSW
18
0.5
SE
9
0.5
SE
9
0.5
S
9
0.5
S
10
0.4
S
15
0.5
S
18
0.7
S
16
0.7
SSE
9
0.5
SSE
9
Energy kJ
130
125
103
262
325
271
144
127
84
47
69
30
36
36
45
50
71
156
251
70
43
Swell 3
Height (m)
Direction
Period (s)
0.4
SE
8
0.5
S
20
0.5
S
9
0.1
SW
15
0.1
SW
12
0.2
SSW
16
0.1
SW
16
0.1
SW
16
0.2
SSW
19
0.2
SSW
15
0.4
SW
18
0.2
SSW
14
0.4
S
11
0.4
SW
16
0.4
S
16
0.4
S
16
0.4
SE
8
0.3
SSW
14
0.4
SW
13
0.6
SSW
13
0.1
SE
8
Energy kJ
17
186
40
8
6
26
10
10
37
21
80
19
37
66
83
76
18
40
44
118
3
Wind waves
Height (m)
Direction
Period (s)
0.4
SW
3
0.5
SW
3
0.6
SSW
4
0.4
SSW
4
0.4
SSW
4
0.6
S
4
0.5
S
4
0.4
SSW
4
0.7
S
4
0.6
S
5
0.6
SSW
4
0.6
SSW
4
0.5
SSW
5
Energy kJ
2
6
12
5
5
10
9
6
19
15
12
15
13
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
3
2
2
2
2
2
2
2
1
2
2
1
1
1
1
2
2
1
Distance (km)
923
923
0
182
923
15
923
15
15
172
172
46
172
172
1068
45
923
43
15
45
452
Best forecast wave conditions in East Sri Lanka
Rating
(10 max)
2
2
2
2
1
1
2
2
2
Best forecast wave conditions in Sri Lanka
Rating
(10 max)
3
3
2
2
2
2
2
2
2
2
1
2
2
2
Header Global
Rating
(10 max)
5
4
6
7
8
8
6
6
5
5
7
7
5
8
6
5
4
5
5
5
4
  • 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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Information about the The Cave Surf forecast

The above surf forecast table for The Cave provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Cave can be found by selecting the local surf guide option on the grey menu. Our The Cave surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (The Cave) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for The Cave may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

The Cave is 78 km (48 miles) from Hambantota. If you plan a holiday in East Sri Lanka, look for hotels and other accommodation in Hambantota. Hambantota has rooms for a wide range of budgets as well as car hire and transport links.

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