The Rock surf break

The Rock surfForecast / West / Sri Lanka

information circle48hr Weather and Surf, issued 4 am 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
29.4° 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 8AM is: 1.6m 12s primary swell from a South-southwest direction and 0.3m 15s secondary swell from a South-southwest direction, 1.0m 7s secondary swell from a West direction (forecast issued at 04:30am May 17). The wind direction is predicted to be cross-onshore.

Time (+0530) & DateWave HeightWave Period
Morning (17 May)5ft (1.6m)12s
Afternoon (17 May)5ft (1.6m)12s
Evening (17 May)4.5ft (1.4m)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 33mm), heaviest during Sun morning. Warm (max 29°C on Mon afternoon, min 27°C on Sun night). Wind will be generally light.

Sunday
17
Monday
18
Tuesday
19
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
8 PM
11 PM
Rating
(10 max)
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.3
SSW
8
1.5
S
12
1.6
SSW
12
1.8
SW
7
1.6
SSW
12
1.5
SSW
12
1.5
SSW
12
1.3
SSW
11
1.3
SSW
11
1.5
SSW
11
1.5
SSW
11
1.4
SW
6
1.3
SSW
11
1.3
SSW
11
1.3
SSW
11
1.3
SSW
11
1.5
SW
6
1.4
SSW
12
1.4
SSW
12
1.2
S
12
1.2
S
12
1.1
S
11
0.8
SSW
16
0.7
SW
16
Wave Graph
Metric surfscale
Energy kJ
207
650
680
286
725
589
579
400
415
499
513
147
353
353
353
359
154
514
522
411
384
295
322
258
Wind (km/h)
20
SW
20
SW
20
SW
20
SW
20
WSW
20
WSW
15
WSW
15
WSW
15
WSW
15
WSW
15
WSW
20
WSW
20
WSW
20
WSW
20
WSW
20
WSW
20
WSW
20
WSW
20
WSW
25
W
25
W
20
W
20
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-on
cross-on
cross-on
cross-on
High Tide
2:18AM0.44m
2:36PM0.61m
2:53AM0.45m
3:10PM0.59m
3:29AM0.44m
3:45PM0.55m
Low Tide
8:07AM0.03m
9:03PM0.03m
8:43AM0.04m
9:37PM0.05m
9:20AM0.06m
10:13PM0.07m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<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
6:15
6:16
6
3
2
4
3
3
2
2
1
1
1
2
2
2
2
1
1
1
1
Temp °C
27
27
28
28
28
28
28
28
27
27
28
28
29
28
28
27
27
27
28
28
28
28
28
28
28
29
30
30
30
30
31
31
29
29
30
29
30
30
31
29
28
28
30
29
29
30
30
30
Swell 1
Height (m)
Direction
Period (s)
1.3
SSW
8
1.5
S
12
1.6
SSW
12
0.3
SSW
15
0.7
W
6
1.5
SSW
12
1.5
SSW
12
1.3
SSW
11
1.3
SSW
11
1.5
SSW
11
1.5
SSW
11
0.4
SSW
14
1.3
SSW
11
1.3
SSW
11
1.3
SSW
11
1.3
SSW
11
0.5
S
12
1.4
SSW
12
1.4
SSW
12
1.2
S
12
1.2
S
12
1.1
S
11
1.1
S
11
1.2
WSW
6
Energy kJ
207
650
680
44
38
589
579
400
415
499
513
62
353
353
353
359
77
514
522
411
384
295
289
97
Swell 2
Height (m)
Direction
Period (s)
0.7
S
12
0.4
SSW
15
0.3
SSW
15
0.2
SSW
21
0.2
SSW
21
0.8
W
6
0.8
W
6
0.8
W
6
0.4
SW
18
0.4
SSW
18
0.4
SSW
18
0.4
SW
17
0.4
SSW
16
0.4
SSW
16
0.7
W
6
0.6
W
6
0.5
SW
16
0.6
SSW
17
0.5
SSW
18
0.5
SSW
18
0.4
SSW
18
0.7
SSW
16
0.8
SSW
16
0.9
S
11
Energy kJ
139
84
42
45
44
48
48
48
83
123
121
77
102
102
30
23
124
200
176
178
120
220
322
185
Swell 3
Height (m)
Direction
Period (s)
0.5
SSW
15
0.1
SW
22
0.2
SSW
22
0.2
SSW
21
0.3
SE
8
0.4
SW
20
0.4
SW
20
0.5
S
13
0.4
S
14
0.3
S
14
0.3
S
14
0.2
S
18
0.3
S
14
0.3
S
13
0.4
SSW
16
0.5
SW
16
0.3
S
16
0.4
S
16
0.4
SW
14
0.4
S
16
0.4
S
16
0.3
W
9
0.3
W
9
0.7
SW
16
Energy kJ
121
19
45
45
11
98
97
92
58
34
33
26
32
32
100
124
48
82
54
79
79
14
14
258
Wind waves
Height (m)
Direction
Period (s)
1.1
WSW
7
1.1
WSW
7
1
W
7
1.8
SW
7
1.6
SSW
12
1.8
SW
6
1.7
SW
6
0.8
W
6
1.4
SW
6
0.7
W
6
0.7
W
6
1.5
SW
6
1.3
SW
6
1.5
SW
6
0.8
W
6
0.8
W
6
1
WSW
6
1.1
W
6
1.2
WSW
6
1.2
WSW
6
Energy kJ
114
111
89
286
725
247
223
49
147
31
31
146
119
154
41
42
80
88
94
94
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
1
1
3
3
1
1
1
2
2
2
2
1
1
1
Distance (km)
875
461
875
875
875
875
875
875
875
875
1016
1066
1969
1969
1016
1016
1110
193
194
193
193
1158
1016
1016
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
Header Global
Rating
(10 max)
5
5
4
4
6
9
9
7
4
4
5
7
5
4
5
4
4
4
4
5
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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