The Rock surf break

The Rock surfForecast / West / Sri Lanka

information circle48hr Weather and Surf, issued 10 pm Sunday 17 May 2026 +0530
Forecast update in hr  min  s Forecast update imminent
The Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Rock sea temperature is
29.3° C
(Which is normal for this time of year)

How big are the waves at The Rock today?

The current surf forecast for The Rock at 2AM is: 1.6m 11s primary swell from a Southwest direction and 1.3m 11s secondary swell from a South-southwest direction, 0.8m 6s secondary swell from a West direction (forecast issued at 10:30pm May 17). The wind direction is predicted to be cross-onshore.

Time (+0530) & DateWave HeightWave Period
Morning (18 May)4ft (1.2m)11s
Afternoon (18 May)4ft (1.2m)11s
Evening (18 May)4ft (1.2m)11s

Table - waves today at The Rock. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 37mm), heaviest during Mon night. Warm (max 29°C on Wed morning, min 27°C on Sun night). Wind will be generally light.

Sun
17
Monday
18
Tuesday
19
Wednesday
20
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
Rating
(10 max)
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.5
SSW
12
1.3
SSW
11
1.6
SW
11
1.6
SW
11
1.2
S
11
1.2
S
11
1.2
S
11
1.2
SSW
11
1.2
SSW
11
1.2
SSW
11
1.5
SW
6
1.4
SSW
12
1.6
SW
12
1.6
SW
12
1.1
S
12
0.7
SSW
16
0.8
SSW
16
0.7
SW
16
0.7
SSW
15
0.8
SSW
14
0.9
SSW
14
0.8
SSW
15
0.7
SSW
14
0.7
SSW
14
Wave Graph
Metric surfscale
Energy kJ
579
400
615
561
332
326
326
337
337
343
159
514
706
694
316
244
322
258
201
239
301
272
186
178
Wind (km/h)
15
SW
15
WSW
15
WSW
15
SW
20
WSW
20
WSW
20
WSW
20
SW
20
WSW
20
WSW
20
WSW
20
WSW
20
WSW
20
WSW
20
WSW
20
W
15
W
20
W
20
W
20
W
20
W
25
W
25
W
20
W
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
High Tide
2:53AM0.45m
3:10PM0.59m
3:29AM0.44m
3:45PM0.55m
4:09AM0.42m
4:20PM0.51m
Low Tide
9:03PM0.03m
8:43AM0.04m
9:37PM0.05m
9:20AM0.06m
10:13PM0.07m
9:58AM0.10m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:16
6:16
2
1
1
2
2
3
3
3
4
3
3
2
1
2
1
1
1
1
1
Temp °C
27
27
27
27
28
28
28
28
27
27
27
27
28
28
28
28
28
27
27
27
28
29
29
28
30
30
30
29
30
30
30
30
29
29
29
29
30
30
30
31
31
29
29
29
30
30
29
30
Swell 1
Height (m)
Direction
Period (s)
1.5
SSW
12
1.3
SSW
11
1.3
SSW
11
1.2
S
11
1.2
S
11
1.2
S
11
1.2
S
11
1.2
SSW
11
1.2
SSW
11
1.2
SSW
11
0.5
S
12
1.4
SSW
12
1.6
SW
12
1.6
SW
12
1.1
S
12
1.1
WSW
6
1.1
SW
6
0.9
S
11
0.9
S
10
0.9
S
10
0.9
S
10
1
S
10
0.7
S
10
0.8
S
10
Energy kJ
579
400
415
338
332
326
326
337
337
343
77
514
706
694
316
88
80
185
174
164
164
202
98
128
Swell 2
Height (m)
Direction
Period (s)
0.9
W
6
0.8
W
6
0.8
W
6
0.8
WSW
6
0.4
SSW
18
0.4
SSW
14
0.4
SSW
16
0.4
SSW
16
0.4
SSW
16
0.5
SW
16
0.5
SW
16
0.6
SSW
17
0.5
SSW
18
0.5
SSW
18
0.4
SSW
18
1
S
11
1
S
11
0.9
WSW
6
0.8
WSW
6
0.8
SSW
14
0.9
SSW
14
0.8
SSW
15
0.7
SSW
14
0.8
SSW
5
Energy kJ
61
48
48
48
121
62
102
102
100
124
124
200
176
178
120
244
240
64
46
239
301
272
186
32
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
20
0.5
S
13
0.4
SW
18
0.4
SSW
18
0.3
S
14
0.4
SW
17
0.3
S
14
0.3
S
13
0.3
S
17
0.3
S
17
0.3
S
16
0.4
S
16
0.4
SW
14
0.4
S
16
0.4
S
16
0.7
SSW
16
0.8
SSW
16
0.7
SW
16
0.7
SSW
15
0.7
WSW
6
0.4
WSW
9
0.3
WSW
9
0.6
SSW
5
0.7
SSW
14
Energy kJ
97
90
83
123
33
77
32
32
51
50
48
82
54
79
79
220
322
258
201
37
25
15
22
178
Wind waves
Height (m)
Direction
Period (s)
1.8
SW
6
1.6
SW
11
1.6
SW
11
0.8
WSW
6
0.9
WSW
6
0.9
WSW
6
0.9
W
6
0.8
W
6
0.8
W
6
1.5
SW
6
0.8
W
6
1.4
SW
6
1.3
WSW
6
1.1
WSW
6
1.2
WSW
6
1.1
WSW
6
0.7
WSW
6
0.8
WSW
6
0.8
W
6
0.8
W
6
Energy kJ
247
615
561
50
58
60
56
43
41
159
41
131
116
82
94
74
35
43
43
39
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
4
3
1
1
1
1
1
2
2
1
1
1
2
2
2
2
2
2
2
Distance (km)
875
875
875
461
461
1969
1969
1158
1110
1255
1066
1066
194
193
759
1503
1016
193
193
193
193
186
186
186
Best forecast wave conditions in West Sri Lanka
Rating
(10 max)
Best forecast wave conditions in Sri Lanka
Rating
(10 max)
2
2
2
2
2
2
2
2
2
Header Global
Rating
(10 max)
8
6
4
4
5
7
5
4
5
4
4
4
4
4
4
4
4
4
4
4
5
4
4
5
  • 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

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