The Cave surfForecast / East / Sri Lanka

information circle16 Day Weather and Surf, issued 10 pm Tuesday 19 May 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
29.8° C
(Which is slightly warmer than usual)

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 Monday (May 25) at 11AM. The primary swell is predicted to be 0.5m and 16s period with a secondary swell of 0.5m and 12s. Another secondary swell of 1.1m and 6s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at The Cave in the next 16 days are 1.2m 16s and forecast to arrive on Tuesday (May 26) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (+0530) & Date Wave Height & Period
Next good surf (1 star+)11AM (Mon 25th May)1.5ft (0.5m) 16s
Best Surf11AM (Mon 25th May)1.5ft (0.5m) 16s
Most Powerful11AM (Tue 26th May)4ft (1.2m) 16s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 32°C on Wed morning, min 27°C on Tue night). Mainly fresh winds.

Days 5-7 Weather Summary

Light rain (total 7mm), mostly falling on Mon morning. Warm (max 33°C on Sat afternoon, min 26°C on Fri night). Winds decreasing (strong winds from the SW on Sun afternoon, light winds from the NNW by Mon morning).

Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tue
26
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
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)
0.8
S
10
0.5
SW
15
1.2
SW
6
1.1
SW
6
0.7
SSE
10
0.6
SSW
16
0.6
SSW
15
0.6
SSW
14
1.6
SW
7
0.7
SSW
16
0.8
SSW
14
0.8
SSW
14
1.2
SSW
7
1.3
SSW
6
1.6
SSW
7
1.1
SW
6
0.5
SSW
16
0.7
SSW
18
0.9
SSW
16
1.2
SSW
16
1.2
SSW
15
Wave Graph
Metric surfscale
Energy kJ
141
108
112
86
112
169
142
140
220
215
239
236
141
145
209
85
149
322
463
671
612
Wind (km/h)
25
WSW
25
WSW
30
WSW
30
WSW
25
WSW
30
WSW
30
WSW
35
WSW
30
SW
30
WSW
35
SW
25
SW
30
WSW
40
SW
40
SW
30
SW
15
NNW
30
WSW
35
SW
35
WSW
30
WSW
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
off
cross
cross
cross
cross
High Tide
2:06PM0.18m
12:55PM0.18m
12:40PM0.19m
12:39PM0.20m
12:44PM0.20m
12:51PM0.20m
2:37AM0.11m
12:58PM0.20m
Low Tide
10:51PM0.03m
11:01PM0.04m
11:05PM0.04m
10:55PM0.05m
10:15PM0.06m
9:18PM0.06m
8:42PM0.06m
5:51AM0.10m
8:27PM0.05m
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:46
5:46
5:46
5:46
5:46
5:46
5:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:12
6:12
6:13
6:13
6:13
6:13
6:13
6
1
Temp °C
28
32
32
28
29
31
28
31
32
28
32
33
28
31
31
28
28
27
26
30
29
28
32
31
27
29
29
28
30
30
28
31
32
28
29
29
28
28
29
25
28
28
Swell 1
Height (m)
Direction
Period (s)
0.8
S
10
0.7
SSE
10
0.6
SSE
10
0.6
SSE
10
0.7
SSE
10
0.7
SSE
10
0.5
SSE
10
0.6
SSW
14
0.6
SSW
16
0.7
SSW
16
0.8
SSW
14
0.8
SSW
14
0.6
SSW
13
0.6
SSW
13
0.6
SSW
13
0.7
S
7
0.5
SSW
16
0.7
SSW
18
0.9
SSW
16
1.2
SSW
16
1.2
SSW
15
Energy kJ
141
108
85
86
112
104
54
140
201
215
239
236
141
135
133
50
149
322
463
671
612
Swell 2
Height (m)
Direction
Period (s)
0.5
SW
16
0.5
SW
15
0.4
SSW
15
0.4
SW
14
0.4
SSW
16
0.6
SSW
16
0.6
SSW
15
0.5
SSE
9
0.4
SSE
9
0.2
S
10
0.1
S
14
0.1
S
18
0.2
SSW
18
0.5
SSW
12
0.5
SSW
12
0.5
SSW
12
0.4
SSW
11
0.1
S
11
0.1
S
22
Energy kJ
124
104
84
46
102
169
142
49
31
8
4
6
31
83
81
82
40
2
9
Swell 3
Height (m)
Direction
Period (s)
0.4
SSE
14
0.5
S
13
0.4
SSE
12
0.4
SSE
12
0.4
SW
13
0.1
S
20
0.2
S
12
0.3
SSW
18
0.3
SW
13
0.2
S
10
0.1
S
13
0.1
S
13
0.4
SSE
8
0.4
SSE
8
0.3
SSW
15
0.4
SE
8
Energy kJ
63
85
50
50
45
8
11
60
27
8
3
3
26
22
42
15
Wind waves
Height (m)
Direction
Period (s)
1
SSW
6
1
SW
6
1.2
SW
6
1.1
SW
6
1.1
SW
6
1.2
SW
6
1.1
SW
6
1.2
SW
6
1.6
SW
7
1.3
SSW
7
1.4
SSW
7
1.5
SSW
7
1.2
SSW
7
1.3
SSW
6
1.6
SSW
7
1.1
SW
6
1.1
SW
6
1.6
SSW
6
1.2
SSW
6
1.5
SSW
6
1.6
SSW
6
Energy kJ
75
73
112
80
80
112
95
109
220
172
171
198
135
145
209
85
95
191
107
175
203
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2
4
2
3
3
Distance (km)
45
35
43
45
43
43
45
45
43
45
45
35
1068
45
45
1127
0
127
452
45
45
Best forecast wave conditions in East Sri Lanka
Rating
(10 max)
2
2
2
2
2
3
2
2
3
2
2
2
2
2
2
3
3
Best forecast wave conditions in Sri Lanka
Rating
(10 max)
2
2
2
2
2
3
2
2
3
2
2
2
2
2
2
4
3
3
Header Global
Rating
(10 max)
5
5
4
4
4
4
4
5
7
5
6
9
6
5
5
4
4
5
5
5
5
  • 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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