Atlantida surf break

Atlantida surfForecast / Rio Grande Do Sul / Brazil

information circle48hr Weather and Surf, issued 2 am Sunday 17 May 2026 -03
Forecast update in hr  min  s Forecast update imminent
Atlantida surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Atlantida sea temperature is
20.2° C
(Which is normal for this time of year)

How big are the waves at Atlantida today?

The current surf forecast for Atlantida at 7AM is: 0.8m 10s primary swell from a South-southeast direction and 0.3m 4s secondary swell from a East direction (forecast issued at 02:00am May 17). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (17 May)2.5ft (0.8m)10s
Afternoon (17 May)2.5ft (0.7m)10s
Evening (17 May)4ft (1.2m)5s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 33mm), heaviest during Sun night. Very mild (max 19°C on Sun morning, min 11°C on Tue night). Wind will be generally light.

Sunday
17
Monday
18
Tuesday
19
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
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
1
1
1
1
0
0
0
0
0
0
1
1
2
1
1
3
4
4
4
4
3
4
3
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.9
SSE
10
0.9
SSE
10
0.8
SSE
10
0.8
SSE
10
0.7
SSE
10
0.7
SSE
10
0.9
SSE
10
1.2
SSE
5
1.3
SSE
6
0.9
S
6
1.3
S
5
1.7
S
7
1.7
S
7
2
S
8
1.4
SSE
7
1.3
SSE
7
1.4
SSE
13
1.4
SSE
13
1.9
SSE
17
2
SSE
15
1.9
SSE
15
1.9
SSE
14
1.7
SSE
14
1.6
SSE
13
Wave Graph
Metric surfscale
Energy kJ
191
177
136
133
102
100
166
72
97
50
97
266
310
442
178
145
623
711
2015
1907
1559
1360
1034
823
Wind (km/h)
5
NNW
5
W
10
WSW
10
WSW
10
SW
15
SSW
15
S
20
S
15
SSW
15
SW
25
SW
25
WSW
20
WSW
20
WSW
20
WSW
20
WSW
15
WSW
15
WSW
15
WSW
15
WSW
15
SW
15
SW
10
SW
10
W
glassy
glassy
cross-off
cross-off
cross-off
cross
cross
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
High Tide
11:50PM0.30m
5:36AM0.20m
1:07PM0.46m
5:58PM0.55m
00:14AM0.35m
6:40AM0.14m
1:40PM0.44m
7:06PM0.58m
00:46AM0.42m
7:37AM0.12m
2:15PM0.41m
8:09PM0.59m
Low Tide
9:02PM0.18m
3:14AM0.14m
8:37AM0.07m
2:59PM0.43m
9:51PM0.27m
4:11AM0.06m
9:19AM0.04m
3:47PM0.38m
10:36PM0.35m
5:02AM0.01m
10:05AM0.03m
4:32PM0.33m
part cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
light rain
light rain
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:58
6:58
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:34
5:32
5:32
1
1
3
4
3
6
4
3
2
1
3
2
Temp °C
17
17
17
17
19
19
18
17
16
15
13
12
12
12
12
12
12
12
12
12
15
17
16
13
18
18
17
17
19
18
17
15
15
13
9
8
8
9
9
9
10
9
9
9
12
14
14
11
Swell 1
Height (m)
Direction
Period (s)
0.9
SSE
10
0.9
SSE
10
0.8
SSE
10
0.8
SSE
10
0.7
SSE
10
0.7
SSE
10
0.1
SE
16
0.1
SE
16
0.5
S
10
0.8
ESE
5
0.6
ESE
5
0.5
ESE
5
0.5
E
5
1.6
S
7
1.4
SSE
7
1.3
SSE
7
1.4
SSE
13
1.4
SSE
13
1.9
SSE
17
2
SSE
15
1.9
SSE
15
1.9
SSE
14
1.7
SSE
14
1.6
SSE
13
Energy kJ
191
177
136
133
102
100
10
10
47
31
22
15
15
285
178
145
623
711
2015
1907
1559
1360
1034
823
Swell 2
Height (m)
Direction
Period (s)
0.2
E
4
0.3
E
4
0.3
E
4
0.3
E
4
0.3
E
4
0.2
E
4
0.1
E
7
0.1
E
7
0.2
SSE
15
0.5
S
9
0.2
SSE
14
0.3
SSE
13
0.3
SSE
13
0.2
SSE
12
0.2
SSE
16
0.3
SSE
14
0.4
SE
19
0.7
SE
18
0.2
E
7
Energy kJ
1
3
3
3
3
1
1
1
22
44
18
34
32
15
24
41
96
334
4
Swell 3
Height (m)
Direction
Period (s)
0.1
E
8
0.1
E
8
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.2
SSE
15
0.1
SE
11
0.1
SE
16
0.1
SE
16
0.1
SE
21
0.1
E
11
0.4
ESE
6
Energy kJ
1
1
1
1
1
1
5
6
6
21
5
10
10
17
2
10
Wind waves
Height (m)
Direction
Period (s)
0.3
ENE
4
0.2
WSW
2
0.3
SW
2
0.9
SSE
10
1.2
SSE
5
1.3
SSE
6
0.9
S
6
1.3
S
5
1.7
S
7
1.7
S
7
2
S
8
0.4
WSW
3
0.4
WSW
3
0.3
WSW
3
0.4
WSW
3
0.4
WSW
3
0.4
WSW
3
0.4
WSW
3
Energy kJ
3
1
1
166
72
97
50
97
266
310
442
3
3
2
3
3
3
3
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
2
3
2
3
3
3
3
4
4
4
4
4
4
3
Distance (km)
0
0
0
0
0
180
180
180
179
222
209
222
257
45
45
32
0
0
0
0
0
32
0
0
Best forecast wave conditions in Rio Grande Do Sul
Rating
(10 max)
2
2
2
1
1
3
3
4
4
4
4
4
4
4
4
4
Best forecast wave conditions in Brazil
Rating
(10 max)
2
2
2
2
1
1
1
2
2
2
2
3
2
3
3
4
4
4
4
5
4
4
4
4
Header Global
Rating
(10 max)
4
5
4
4
8
6
4
4
5
7
4
4
5
4
5
5
4
4
4
4
5
5
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)
Map placeholder

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