Atlantida surf break

Atlantida surfForecast / Rio Grande Do Sul / Brazil

information circle48hr Weather and Surf, issued 2 pm Monday 18 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
18.5° C
(Which is 1.8°C colder than average for this time of year)

How big are the waves at Atlantida today?

The current surf forecast for Atlantida at 5PM is: 1.5m 8s primary swell from a South direction and 1.2m 8s secondary swell from a South direction, 0.2m 15s secondary swell from a South-southeast direction (forecast issued at 02:00pm May 18). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (18 May)--
Afternoon (18 May)5ft (1.6m)8s
Evening (18 May)4.5ft (1.4m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 18°C on Tue afternoon, min 11°C on Mon night). Wind will be generally light.

Mon
18
Tuesday
19
Wednesday
20
Thu
21
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)
0
2
2
3
3
4
4
4
4
4
3
3
3
3
2
2
2
3
3
!
4
4
4
4
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)
1.2
S
7
1.6
S
8
1.5
S
8
1.4
S
8
1.2
S
11
1.5
SSE
13
1.8
SSE
17
1.9
SSE
15
1.9
SSE
15
1.7
SSE
14
1.6
SSE
14
1.5
SSE
13
1.3
SSE
13
1.3
SSE
12
1.3
SSE
12
1.4
SSE
12
1.6
SSE
13
1.6
SSE
14
2
SSE
15
3
S
16
2.4
SSE
16
2.5
SSE
15
2.5
SSE
14
2.4
SSE
14
Wave Graph
Metric surfscale
Energy kJ
152
326
291
247
326
735
1842
1674
1525
1095
874
713
554
528
519
628
774
1075
1680
4221
2731
2721
2541
2221
Wind (km/h)
15
WSW
15
WSW
15
WSW
10
WSW
10
W
10
W
10
W
10
WSW
10
SW
10
SW
10
WSW
10
W
10
W
15
W
15
W
15
W
25
WSW
20
WSW
15
WSW
15
WSW
15
WSW
15
W
15
WSW
15
WSW
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
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
1:40PM0.44m
7:06PM0.58m
00:46AM0.42m
7:37AM0.12m
2:15PM0.41m
8:09PM0.59m
1:23AM0.48m
8:28AM0.11m
2:52PM0.37m
9:07PM0.59m
2:06AM0.52m
Low Tide
9:19AM0.04m
3:47PM0.38m
10:36PM0.35m
5:02AM0.01m
10:05AM0.03m
4:32PM0.33m
11:17PM0.41m
5:50AM-0.00m
10:53AM0.03m
5:17PM0.27m
11:58PM0.45m
6:37AM0.02m
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:58
7:00
7:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:32
5:32
5:31
5:31
Temp °C
13
14
14
13
12
11
11
11
15
18
16
14
13
12
11
11
15
17
15
13
13
13
12
12
10
11
11
10
10
8
9
9
12
15
13
12
10
8
7
7
9
11
11
9
10
10
9
9
Swell 1
Height (m)
Direction
Period (s)
1.2
S
7
1.2
S
8
1.2
S
8
1.2
S
8
1.2
S
11
1.5
SSE
13
1.8
SSE
17
1.9
SSE
15
1.9
SSE
15
1.7
SSE
14
1.6
SSE
14
1.5
SSE
13
1.3
SSE
13
1.3
SSE
12
1.3
SSE
12
1.4
SSE
12
1.6
SSE
13
1.6
SSE
14
2
SSE
15
2.3
SSE
16
2.4
SSE
16
2.5
SSE
15
2.5
SSE
14
2.4
SSE
14
Energy kJ
152
177
187
200
326
735
1842
1674
1525
1095
874
713
554
528
519
628
774
1075
1680
2652
2731
2721
2541
2221
Swell 2
Height (m)
Direction
Period (s)
0.3
SSE
12
0.2
SSE
12
0.2
SSE
15
0.3
SSE
15
0.5
SSE
13
0.7
SSE
18
0.2
E
5
0.2
E
5
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
Energy kJ
30
15
22
44
101
295
2
2
1
1
1
1
1
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
16
0.2
SSE
16
0.1
SE
21
0.4
SE
19
0.9
SSE
18
0.1
E
9
0.1
E
8
0.1
NE
7
Energy kJ
10
24
17
96
528
1
1
2
Wind waves
Height (m)
Direction
Period (s)
0.4
WSW
3
1.6
S
8
1.5
S
8
1.4
S
8
0.3
W
2
0.5
W
3
0.6
W
3
0.7
W
3
0.7
W
4
0.7
WSW
4
0.6
W
4
3
S
16
Energy kJ
4
326
291
247
1
4
8
11
12
13
9
4221
Nearest Offshore or Glassy
Rating
(10 max)
3
3
2
3
3
4
4
4
4
4
3
3
3
3
3
3
3
4
5
4
4
4
4
4
Distance (km)
32
18
32
0
0
0
0
0
0
0
0
0
0
0
18
18
39
45
190
180
0
0
0
0
Best forecast wave conditions in Rio Grande Do Sul
Rating
(10 max)
3
3
3
3
3
4
5
4
4
4
4
4
3
3
3
3
3
4
5
5
4
4
Best forecast wave conditions in Brazil
Rating
(10 max)
3
3
2
3
3
4
5
5
5
4
4
4
5
5
5
5
4
4
5
6
9
9
5
5
Header Global
Rating
(10 max)
5
5
4
4
4
4
4
4
5
4
5
5
5
4
5
5
4
5
5
4
4
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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