Atlantida surf break

Atlantida surfForecast / Rio Grande Do Sul / Brazil

information circle12 Day Weather and Surf, issued 8 pm Saturday 13 Dec 2025 -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
22.7° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Atlantida this week:

The surf forecast for Atlantida over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Dec 15) at 9PM. The primary swell is predicted to be 0.9m and 7s period with a secondary swell of 0.5m and 10s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Atlantida in the next 12 days are 1.9m 7s and forecast to arrive on Sunday (Dec 21) at 3AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 6s period and expected on Friday (Dec 19) at 12AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Mon 15th Dec)3ft (0.9m) 7s
Best Surf 6AM (Wed 17th Dec)5ft (1.6m) 8s
Most Powerful 3AM (Sun 21st Dec)6ft (1.9m) 7s

Table - best surf conditions forecast for Atlantida over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 30mm), heaviest during Mon night. Warm (max 26°C on Mon morning, min 19°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 23°C on Fri morning, min 18°C on Tue night). Winds increasing (light winds from the S on Wed morning, fresh winds from the NE by Fri afternoon).

Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Sat
20
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
SE
0.8
SE
0.7
SE
1.3
ENE
1.2
ENE
1.1
ENE
0.8
ENE
1
S
1.2
S
1.2
S
1.4
SSE
1.2
SSE
0.9
S
0.8
S
1.3
ENE
0.4
S
0.2
ESE
1.9
ENE
1.7
ENE
1.3
ENE
1.5
ENE
Period(s) (?)991057776678991059116678
Wave
Graph
(?)Metric surfscale
Energy kJ (?)12510394951171216974102126290222119138882711288231167244
Wind
(km/h)
15
NNE
25
NE
25
ENE
25
NE
10
NE
15
NE
10
WSW
20
SW
25
S
15
S
5
S
15
E
25
NNE
20
NE
25
NE
30
NE
25
NE
35
NE
25
NE
10
NE
15
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
cross-
on
crosscrosscross-
on
cross-
off
cross-
off
crosscrosscrossoncrosscrosscross-
on
crosscrosscross-
on
crosscross-
on
cross-
on
High Tide
/ height (m)
11:52PM
0.30
7:04AM
0.31
12:18PM
0.33
7:48PM 12:26AM
0.32 0.34
8:49AM
0.31
12:06PM
0.31
12:51AM
0.38
10:04AM
0.33
12:54AM
0.42
10:43AM
0.34
12:45AM
0.45
11:17AM
0.36
1:03AM
0.47
11:49AM
0.38
1:26AM
0.48
12:21PM
0.41
Low Tide
/ height (m)
9:29PM
0.26
3:19AM 9:17AM
0.20 0.29
3:58PM
0.24
9:42PM
0.31
4:36AM 10:42AM
0.23 0.31
5:00PM
0.19
5:56AM
0.24
5:51PM
0.14
6:57AM
0.24
6:34PM
0.09
7:43AM
0.24
7:13PM
0.06
8:21AM
0.24
7:52PM
0.03
8:55AM
0.25
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Sat
20
Sunrise-5:13--5:13--5:13--5:13--5:13--5:15--5:15-
Sunset--7:15--7:15--7:16--7:16--7:17--7:17--7:19
clear
clear
clear
clear
clear
light rain
heavy rain
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
-----1272-------------
Temp. °C222423222626232424202121202222202323212424
Feels °C (?)232322222727252120181918172019162020182424
  • 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 Atlantida Surf forecast

The above surf forecast table for Atlantida provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Atlantida can be found by selecting the local surf guide option on the grey menu. Our Atlantida 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 (Atlantida) 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 Atlantida 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.

Are you planning a holiday in Rio Grande Do Sul? If you are looking for accommodation near Atlantida, camping, hotels and holiday cottages in Rio Grande Do Sul, consider staying in Capao da Canoa which is 8 km (5 miles) away. Other places in and around Rio Grande Do Sul where you can find information about places to rent, and car hire include Tramandai which is 21 km (13 miles) away, Osorio, Rolante and Torres.

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