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Surf Forecasts:

Rio Grande Jetties surfForecast / Rio Grande Do Sul / Brazil

information circle12 Day Weather and Surf, issued 8 am Wednesday 11 Mar 2026 -03
Forecast update in hr  min  s Forecast update imminent
Rio Grande Jetties surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rio Grande Jetties sea temperature is
23.8° C
 (Which is normal for this time of year)

Best Forecast Surf Conditions for Rio Grande Jetties this week:

The surf forecast for Rio Grande Jetties over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Mar 12) at 6AM. The primary swell is predicted to be 0.9m and 12s period with a secondary swell of 1.4m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Rio Grande Jetties in the next 12 days are 1.4m 13s and forecast to arrive on Wednesday (Mar 11) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 7s period and expected on Monday (Mar 16) at 9PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Thu 12th Mar)3ft (0.9m) 12s
Best Surf 6AM (Thu 12th Mar)3ft (0.9m) 12s
Most Powerful 3PM (Wed 11th Mar)4.5ft (1.4m) 13s

Table - best surf conditions forecast for Rio Grande Jetties over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 42mm), heaviest during Wed morning. Warm (max 23°C on Fri morning, min 20°C on Wed morning). Wind will be generally light.

Days 3-6 Weather Summary Some drizzle, heaviest during Sun morning. Warm (max 27°C on Mon afternoon, min 21°C on Sat night). Winds increasing (light winds from the ENE on Sun morning, fresh winds from the NE by Mon night).

Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
SSE
1.4
SE
1.6
E
0.9
SSE
1.2
ESE
1.6
ESE
1.2
ESE
1.1
ESE
1.2
ESE
1.1
ESE
1
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
1.4
E
1.1
E
0.1
SE
0.2
ESE
1.4
E
0.8
E
Period(s) (?)13137117878988889988141389
Wave
Graph
(?)Metric surfscale
Energy kJ (?)599576247227147350143138212138110113119143123264173716260113
Wind
(km/h)
20
ENE
15
NE
25
E
5
WSW
20
E
20
ESE
10
SSE
15
SSE
20
ESE
10
ESE
15
ESE
20
ENE
10
NE
15
E
15
ENE
15
NE
20
ENE
25
NE
30
NE
30
NE
20
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		oncross-
off		ononcross-
on		cross-
on		onononcross-
on		crossoncross-
on		crosscross-
on		crosscrosscross-
on		cross
High Tide
/ height (m)
2:26PM
0.16
1:41AM
0.33
2:28PM
0.13
2:00AM
0.33
11:08AM
0.12
1:00PM
0.12
2:27AM
0.33
10:50AM
0.16
3:11AM 11:14AM
0.32 0.20
4:28AM 11:47AM
0.31 0.23
6:01AM
0.31
12:28PM
0.26
2:55AM
0.23
Low Tide
/ height (m)
9:57AM
0.05
5:20PM
0.12
10:15AM
0.09
5:50PM
0.09
9:14AM 11:31AM
0.12 0.12
6:20PM
0.05
8:52AM
0.15
6:55PM
0.02
8:55AM
0.18
7:37PM
-0.00
9:16AM
0.20
8:28PM
-0.02
9:52AM
0.22
9:26PM
-0.02
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Sunrise6:24--6:24--6:26--6:26--6:26--6:28--6:28--
Sunset-6:51--6:50--6:49--6:46--6:45--6:45--6:44-
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
thunderstorm
clear
clear
clear
clear
part cloud
clear
clear
thunderstorm
Rain (mm)
2371011-------1-------2
Temp. °C212222222222232322232322252624262724262624
Feels °C (?)212224202121222321232320282826272823252523
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rio Grande Jetties surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Rio Grande Jetties at:
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Information about the Rio Grande Jetties Surf forecast

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

Rio Grande Jetties is 4 km (2 miles) from the city of Rio Grande. If you plan a holiday in Rio Grande Do Sul, look for hotels and other accommodation in Rio Grande. Rio Grande has rooms for a wide range of budgets as well as car hire and transport links.

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