Cassino surf break

Cassino surfForecast / Rio Grande Do Sul / Brazil

information circle48hr Weather and Surf, issued 2 pm Wednesday 20 May 2026 -03
Forecast update in hr  min  s Forecast update imminent
Cassino surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cassino sea temperature is
15.3° C
(Which is 2.1°C colder than average for this time of year)

How big are the waves at Cassino today?

The current surf forecast for Cassino at 6PM is: 2.5m 15s primary swell from a South-southeast direction and 1.9m 16s secondary swell from a South-southeast direction (forecast issued at 02:00pm May 20). The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (-03) & DateWave HeightWave Period
Morning (20 May)--
Afternoon (20 May)5ft (1.6m)16s
Evening (20 May)7ft (2.2m)15s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 16°C on Fri night, min 11°C on Wed night). Wind will be generally light.

Wed
20
Thursday
21
Friday
22
Sat
23
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
Rating
(10 max)
2
3
!
!
!
!
3
4
4
3
!
!
3
2
!
2
1
1
0
0
0
1
1
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.4
SSE
15
1.6
SSE
16
2.5
SSE
15
2.2
SSE
15
2.3
SSE
14
2.5
SSE
13
1.9
SSE
13
1.7
SSE
13
1.6
SSE
13
1.9
SSE
16
2.3
SSE
14
2.2
SSE
14
1.7
SSE
14
1.7
SSE
14
2.1
SSE
14
1.6
SSE
13
1.4
SSE
13
1.3
SSE
13
1.3
SSE
12
1.2
SSE
12
1.2
SSE
12
1
SSE
12
1
SSE
12
0.9
SSE
11
Wave Graph
Metric surfscale
Energy kJ
849
1327
2809
2049
2137
2253
1294
998
852
1862
2122
1969
1189
994
1605
837
679
587
481
384
371
285
280
215
Wind (km/h)
25
WSW
25
SW
25
SSW
25
SSW
20
SW
20
SW
15
SSW
15
SW
10
SSW
15
S
20
S
15
S
10
S
10
S
15
S
15
S
15
SSE
15
SSE
10
SE
10
ESE
10
ESE
10
E
10
ESE
15
ESE
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
on
on
cross-on
on
High Tide
11:04AM0.26m
4:59PM0.30m
11:05PM0.72m
11:52AM0.25m
5:44PM0.26m
00:00AM0.69m
12:41PM0.25m
6:37PM0.23m
00:57AM0.64m
Low Tide
1:42PM0.15m
6:40PM0.27m
7:54AM-0.10m
2:37PM0.14m
7:21PM0.23m
8:46AM-0.05m
3:35PM0.14m
8:04PM0.21m
clear
clear
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
cloud
cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:13
7:15
7:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:36
5:36
5:35
5:35
Temp °C
12
14
13
12
11
11
11
12
13
13
13
13
13
13
13
13
14
14
15
16
16
16
16
16
7
8
8
7
6
6
6
8
9
9
9
10
10
11
10
10
11
11
13
14
14
14
14
13
Swell 1
Height (m)
Direction
Period (s)
1.4
SSE
15
1.6
SSE
16
1.9
SSE
16
2.5
SSE
13
1.9
SSE
13
1.7
SSE
13
1.6
SSE
13
1.9
SSE
16
2.3
SSE
14
2.2
SSE
14
1.7
SSE
14
1.7
SSE
14
2.1
SSE
14
1.6
SSE
13
1.4
SSE
13
1.3
SSE
13
1.3
SSE
12
1.2
SSE
12
1.2
SSE
12
1
SSE
12
1
SSE
12
0.9
SSE
11
Energy kJ
849
1327
1762
2253
1294
998
852
1862
2122
1969
1189
994
1605
837
679
587
481
384
371
285
280
215
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
18
0.9
SSE
17
1.1
SE
16
0.1
E
9
0.1
E
9
Energy kJ
82
504
625
2
2
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.6
WSW
4
0.4
WSW
4
2.5
SSE
15
2.2
SSE
15
2.3
SSE
14
2.1
SSE
14
1.9
SSE
15
2
SSE
14
1.6
SSE
13
Energy kJ
13
5
2809
2049
2137
1628
1578
1578
863
Nearest Offshore or Glassy
Rating
(10 max)
3
4
4
4
4
4
3
4
4
3
3
3
3
2
2
2
2
4
4
3
2
3
3
3
Distance (km)
515
293
515
336
336
336
235
9
9
235
235
235
235
235
235
235
235
545
514
286
286
293
303
336
Best forecast wave conditions in Rio Grande Do Sul
Rating
(10 max)
4
5
5
4
4
4
4
4
4
5
4
4
4
4
3
3
3
3
3
Best forecast wave conditions in Brazil
Rating
(10 max)
4
4
5
7
9
9
5
5
4
5
4
5
5
5
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
4
5
5
5
5
5
5
5
5
5
4
4
5
7
8
7
6
5
5
5
5
6
8
9
  • 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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