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Surf Forecasts:

Rio Grande Jetties surfForecast / Rio Grande Do Sul / Brazil

information circle16 Day Weather and Surf, issued 8 pm Friday 13 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
23.5° 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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Mar 14) at 6AM. The primary swell is predicted to be 1.2m and 9s period with a secondary swell of 0.4m and 11s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Rio Grande Jetties in the next 16 days are 1.7m 11s and forecast to arrive on Thursday (Mar 19) at 12AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Tuesday (Mar 17) at 3AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Sat 14th Mar)4ft (1.2m) 9s
Best Surf 6AM (Sat 14th Mar)4ft (1.2m) 9s
Most Powerful12AM (Thu 19th Mar)5.5ft (1.7m) 11s

Table - best surf conditions forecast for Rio Grande Jetties over the next 16 days.

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

Short Range Forecast Mostly dry. Warm (max 25°C on Mon morning, min 20°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Tue afternoon, min 22°C on Tue night). Mainly fresh winds.

Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Fri
20
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
2
0
0
2
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 (?)
1.4
SE
1.2
ESE
1.2
ESE
1.1
SE
1.1
ESE
1.1
ESE
0.9
ESE
0.9
ESE
1.3
E
0.9
ESE
1.2
ESE
1.7
E
1.3
ESE
1.5
E
1.5
E
1.7
E
1.7
E
1.1
ESE
1.5
ENE
1.3
E
1
ESE
Period(s) (?)9999910111111111181111111111106109
Wave
Graph
(?)Metric surfscale
Energy kJ (?)338211197186193205194198403217352346400524526673651246130314189
Wind
(km/h)
10
S
15
WSW
15
S
10
E
10
N
15
E
20
NE
20
NE
25
ENE
30
NE
30
NE
30
ENE
25
NE
20
ENE
30
ENE
25
ENE
25
ENE
25
ENE
30
ENE
15
NE
20
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off		cross-
on		cross-
on		cross-
off		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
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
7:16AM
0.31
1:13PM
0.28
6:57PM 2:53AM
0.09 0.19
8:19AM
0.31
2:02PM
0.29
8:12PM
0.14
3:14AM 9:14AM
0.16 0.31
2:56PM
0.29
Low Tide
/ height (m)
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
3:24AM 10:36AM
0.23 0.22
5:56PM
0.08
10:31PM
-0.01
4:31AM 11:24AM
0.18 0.22
6:03PM 11:39PM
0.10 0.01
5:21AM
0.12
12:13PM
0.21
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Fri
20
Sunrise-6:26--6:26--6:28--6:28--6:28--6:30--6:31-
Sunset--6:46--6:45--6:45--6:44--6:42--6:40--6:39
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
Rain (mm)
---------------------
Temp. °C212323222424232525232526232424222323222424
Feels °C (?)212323222523232525232425232322212121202424
  • 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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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 16 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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