Atlantida Surf Break

Lat Long: 29.81° S 50.05° W

Atlantida Surf Forecast and Surf Report

Issued: 2 am 17 Jul 2026 (local time)

Forecast update in  hr  min

Today's Atlantida sea temperature is
14.5° C
2.5° 

Atlantida surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Atlantida surf forecast from 17 Jul 2026:

  • Best quality surf: Saturday 18 Jul, 6AM (local time) - 7ft (2.2m), 9s period, ENE swell with cross-offshore winds.
  • Most powerful swell: Saturday 18 Jul, 12AM (local time) - 8ft (2.4m), 9s period, ENE swell with 909 kJ wave energy.
  • Next surfable swell (1★+): Saturday 18 Jul, 6AM (local time) - 7ft (2.2m), 9s period with ENE swell.

Best Forecast Surf Conditions for Atlantida this week:

The surf forecast for Atlantida over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jul 18) at 6AM. The primary swell is predicted to be 2.2m and 9s period with a secondary swell of 1.7m and 9s. Another secondary swell of 0.1m and 9s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Atlantida in the next 16 days are 2.4m 9s and forecast to arrive on Saturday (Jul 18) at 12AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 9s period and expected on Friday (Jul 17) at 9PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Sat 18th Jul)7ft (2.2m) 9s
Best Surf 6AM (Sat 18th Jul)7ft (2.2m) 9s
Most Powerful12AM (Sat 18th Jul)8ft (2.4m) 9s

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


The Lowdown

G'day, I'm Rusty, and I've been staring at the charts for your local stretch. Honestly, it's a mixed bag and we're going to have to work for it. The first few days are pretty average, but there's a couple of windows that could be alright if you're keen.

The outlook kicks off Friday the 17th, but don't get too excited. The early action is all small to moderate stuff. The swell sticks around 6 ft to 7 ft from the northeast-ish direction, with a period of 9 seconds. That's short-period windswell, nothing to write home about. The wave energy is moderate, hitting 480 on Friday morning. The wind is a cross-shore, so it's going to be a bit bumpy and messy. Friday and Saturday are not looking great.

We get a bit of a clean-up on Sunday the 19th morning. The wind goes cross-offshore with a gentle breeze, and the swell drops to 5 ft from the ENE. The wave energy is 401. It's clean, but the swell is weak and inconsistent. It's a marginal day, but if you're desperate, you might find a few.

Then there's a real quiet patch. From Sunday afternoon all the way through to Tuesday the 21st morning, the surf is small and the conditions are poor. The best of that stretch is Tuesday morning, with 4 ft and a clean cross-offshore wind, but it's a real small one.

The highlight of the whole 16-day window is a real standout. The best conditions are on the morning of Thursday the 23rd. The swell is 5 ft from the southeast, with a short 8-second period. The wind is a glassy 3 mph offshore from the west. That's a pristine setup, mate. The wave energy is 316. It's a small window, but it will be clean and you'll have a chance at a few decent ones. The break, Atlantida (beach/pier), is inconsistent, so don't expect a constant barrage. It's also often crowded, so you'll have company.

After that, it gets messy again. The wind turns onshore and the swell jumps up in size, but the quality plummets. The end of the 16-day run is a write-off. The swell gets big, 8 ft on the 31st of July, with a long period of 14 seconds, but it's accompanied by a vicious 22 mph onshore wind. That's just a mess, and the wave energy is a massive 2573, showing a lot of power. That's a beast for experts only, but the wind will ruin it. It's more of a windsurfing or kitesurfing kind of day with that chop.

The only other real glimmer is that final day, Saturday the 1st of August. The swell is 7 ft from the east-southeast, with a very long 13-second period. The wind is a clean 12 mph offshore from the west. That's a big, powerful groundswell, and the wave energy is 1776. The report says it's excellent for experienced surfers. That's a proper session, but it's a long way off and the forecast is less certain. The period is very long, so it might be a bit straight at this beach break, but the offshore wind will help a lot.

So, the best bet is the 23rd of July morning for a small, clean, offshore session. The other big one to watch is the 1st of August, but that's a long way out and a bigger, more powerful wave. Overall, the water temp is about average for the time of year, so no need to worry about a wetsuit or a shorty.

Rusty out.

Short Range Forecast

Light rain (total 6mm), mostly falling on Sun night. Warm (max 29°C on Sun morning, min 18°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 77mm), heaviest during Tue night. Warm (max 20°C on Mon night, min 15°C on Tue afternoon). Wind will be generally light.

Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
3
0
2
2
0
0
2
2
2
2
2
0
2
2
1
0
0
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
ENE
9
1.9
ENE
9
2.4
ENE
9
1.6
ENE
9
2.1
ENE
9
1.5
ENE
9
1.5
ENE
9
1.4
ENE
9
1.5
ENE
8
1.4
ENE
9
1.4
ENE
9
1.3
ENE
8
1.3
ENE
9
1.1
ENE
9
0.9
ENE
9
1.6
SSE
9
1.5
SSE
10
1.5
SSE
9
1.5
SE
7
1.4
SE
7
1.1
SE
7
Wave Graph
Metric surfscale
Energy kJ
449
536
909
415
691
343
368
295
293
287
281
227
243
176
108
433
411
370
242
194
116
Wind (km/h)
15
NNE
20
NE
10
NNE
15
NNE
15
NE
10
N
15
NNE
20
S
10
WNW
5
N
5
ENE
10
WNW
10
N
15
S
10
SW
5
S
10
ESE
10
ENE
15
ENE
10
NE
10
W
Wind State
cross
cross
cross
cross
cross
cross-off
cross
cross
off
cross-off
glassy
off
cross-off
cross
cross-off
cross-on
on
cross-on
cross-on
cross
cross-off
High Tide
2:23PM0.35m
8:17PM0.46m
7:55AM0.16m
2:54PM0.37m
9:09PM0.39m
8:54AM0.19m
3:28PM0.40m
9:58PM0.33m
3:30AM0.53m
4:03PM0.41m
10:42PM0.29m
4:17AM0.47m
4:37PM0.41m
11:22PM0.26m
5:08AM0.40m
5:11PM0.39m
11:55PM0.24m
6:12AM0.33m
12:32PM0.38m
00:18AM0.23m
Low Tide
10:20AM-0.03m
4:51PM0.25m
10:44PM0.37m
6:25AM0.14m
5:50PM0.21m
11:16PM0.33m
7:05AM0.16m
6:46PM0.19m
7:40AM0.18m
12:19PM0.17m
7:39PM0.18m
8:12AM0.21m
1:04PM0.24m
8:30PM0.18m
8:39AM0.24m
2:01PM0.30m
9:19PM0.19m
8:52AM0.28m
3:28PM0.33m
10:10PM0.21m
clear
clear
clear
clear
clear
clear
clear
part cloud
rain showers
light rain
part cloud
mod rain
heavy rain
mod rain
heavy rain
light rain
light rain
light rain
cloud
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:13
7:13
7:11
7:11
7:11
7:11
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:38
5:38
5:39
5:39
5:40
5:42
5:42
 mm
6
3
8
12
7
37
3
2
5
1
1
Temp °C
22
23
22
27
27
24
29
24
19
19
19
20
19
17
16
16
16
17
17
18
18
Feels °C
19
20
21
26
26
24
27
22
19
20
21
22
20
16
16
16
16
17
16
20
19
  • 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 16 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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