Dewata surf break

Dewata surfForecast / West / Sri Lanka

information circle16 Day Weather and Surf, issued 4 pm Monday 18 May 2026 +0530
Forecast update in hr  min  s Forecast update imminent
Dewata surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dewata sea temperature is
29.2° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Dewata this week:

The most powerful waves expected at Dewata in the next 16 days are 1.3m 17s and forecast to arrive on Monday (May 25) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 8s period and expected on Saturday (May 23) at 5AM.

Wave TypeTime (+0530) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 8PM (Mon 25th May)4.5ft (1.3m) 17s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 30mm), heaviest during Mon afternoon. Warm (max 29°C on Tue morning, min 27°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 52mm), heaviest during Fri night. Warm (max 29°C on Thu afternoon, min 27°C on Thu night). Wind will be generally light.

Mon
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)
1.2
SSW
11
1.1
SSW
10
1.1
S
12
0.7
SSW
16
0.7
SSW
15
0.8
SSW
15
0.6
SSW
14
0.9
SSW
13
0.7
SSW
16
0.8
SSW
16
0.8
SSW
14
1
SSW
14
1
SSW
16
1.7
WSW
8
1.3
S
10
0.9
SSW
14
0.9
SSW
13
0.9
SSW
13
1.7
WSW
6
1.8
WSW
7
0.9
SSW
17
Wave Graph
Metric surfscale
Energy kJ
337
281
339
220
201
272
139
286
229
310
268
449
481
376
366
356
253
246
253
325
399
Wind (km/h)
20
SW
20
WSW
20
WSW
20
W
20
W
25
W
25
WNW
25
W
25
WNW
25
W
25
W
25
W
25
W
25
W
25
W
20
WNW
25
W
30
W
30
W
20
WSW
20
WSW
on
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
on
High Tide
3:22PM0.66m
3:38AM0.49m
3:58PM0.62m
4:19AM0.47m
4:33PM0.57m
5:05AM0.44m
5:09PM0.51m
6:02AM0.41m
5:48PM0.45m
7:21AM0.39m
6:38PM0.39m
9:13AM0.39m
8:10PM0.34m
10:49AM0.43m
Low Tide
9:31PM0.05m
9:17AM0.04m
10:08PM0.06m
9:57AM0.08m
10:47PM0.08m
10:40AM0.14m
11:32PM0.11m
11:30AM0.20m
00:25AM0.14m
12:41PM0.26m
1:37AM0.16m
3:02PM0.29m
3:10AM0.16m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:52
5:52
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:16
6:16
6:16
6:17
6:17
6:17
6:17
6:17
6
9
3
2
4
4
2
8
6
8
16
3
6
5
10
38
33
Temp °C
28
28
29
29
28
28
29
28
28
29
28
28
28
27
28
29
28
28
28
27
26
30
31
31
31
31
29
30
30
30
30
29
29
29
28
30
30
31
29
29
28
28
Swell 1
Height (m)
Direction
Period (s)
1.2
SSW
11
1.1
SSW
10
1.1
S
12
1.2
SW
6
1.3
WSW
6
0.8
S
10
0.8
S
10
0.9
SSW
13
0.7
S
10
0.8
SSW
16
0.8
SSW
14
1
SSW
14
1
SSW
16
0.9
SSW
15
1.3
S
10
1.1
S
9
0.9
SSW
13
0.9
SSW
13
0.7
SSW
13
0.6
SSW
12
0.9
SSW
17
Energy kJ
337
281
339
109
122
128
128
286
104
310
268
449
481
376
320
177
253
246
170
113
399
Swell 2
Height (m)
Direction
Period (s)
0.4
SSW
16
0.5
S
12
0.5
SSW
18
0.9
S
11
0.8
S
10
0.8
SSW
15
0.6
SSW
14
0.6
SSW
16
0.7
SSW
16
0.6
S
10
0.6
S
10
0.6
SSW
16
0.4
S
10
0.8
S
7
0.9
SSW
14
0.9
SSW
14
0.8
S
7
0.6
S
6
0.3
SSW
18
0.3
SSW
19
0.6
SSW
12
Energy kJ
102
77
178
198
136
272
138
181
229
74
70
206
30
68
366
356
68
28
61
72
111
Swell 3
Height (m)
Direction
Period (s)
0.3
S
13
0.5
SW
16
0.4
S
16
0.7
SSW
16
0.7
SSW
15
0.3
SSW
18
0.4
SSW
18
0.3
W
9
0.6
SSW
14
0.3
SSW
18
0.4
SSE
9
0.4
SSE
9
0.3
SE
9
0.2
SSE
8
0.3
SSW
18
0.3
SSW
16
0.4
SSE
8
Energy kJ
32
124
79
220
201
66
123
14
121
62
33
32
13
7
61
50
23
Wind waves
Height (m)
Direction
Period (s)
0.9
WSW
6
0.9
W
6
1.1
WSW
6
1.3
WSW
6
1.4
WSW
6
1.4
WSW
6
1.4
WSW
6
1.4
WSW
6
1.6
WSW
7
1.9
WSW
7
1.9
WSW
7
1.7
WSW
8
1.4
WSW
8
1.5
W
7
1.4
W
7
1.6
WSW
7
1.7
WSW
6
1.8
WSW
7
1.7
WSW
7
Energy kJ
54
58
87
127
139
149
144
155
212
356
400
318
251
238
198
206
253
325
310
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
1
2
2
2
2
1
2
2
2
3
2
3
4
2
2
2
2
2
Distance (km)
1510
733
202
1144
202
195
199
201
201
201
202
201
201
1001
201
195
202
202
202
202
203
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
3
2
2
3
3
4
2
2
2
2
2
Header Global
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
5
7
5
5
7
6
5
4
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 Dewata Surf forecast

The above surf forecast table for Dewata provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Dewata can be found by selecting the local surf guide option on the grey menu. Our Dewata 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 (Dewata) 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 Dewata 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.

Dewata is 0 km (0 miles) from Galle. If you plan a holiday in West Sri Lanka, look for hotels and other accommodation in Galle. Galle has rooms for a wide range of budgets as well as car hire and transport links.

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