Rio Grande Jetties surfForecast / Rio Grande Do Sul / Brazil

information circle12 Day Weather and Surf, issued 2 am Thursday 05 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
24.1° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Rio Grande Jetties this week:

The most powerful waves expected at Rio Grande Jetties in the next 12 days are 2.2m 8s and forecast to arrive on Tuesday (Mar 10) at 9PM. 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 8s period and expected on Wednesday (Mar 11) at 12AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 9PM (Tue 10th Mar)7ft (2.2m) 8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 36mm), heaviest during Sat afternoon. Warm (max 24°C on Thu morning, min 18°C on Sat afternoon). Winds increasing (light winds from the E on Thu morning, fresh winds from the SE by Sat afternoon).

Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Tue afternoon. Warm (max 23°C on Mon afternoon, min 21°C on Sun morning). Mainly fresh winds.

Thursday
05
Friday
06
Saturday
07
Sunday
08
Monday
09
Tuesday
10
Wednesday
11
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
ESE
0.9
ESE
1.3
ESE
1.1
ESE
1.1
E
1.4
E
1.3
E
1.3
ESE
1.2
ESE
1.9
SE
1.7
ESE
1.8
ESE
1.5
E
1.7
E
1.9
E
1.7
E
2
E
0.8
SE
1.6
E
0.8
SSE
0.7
SE
Period(s) (?)886555656777667771581312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)9092106615410910386115305269268190226328298439262347229154
Wind
(km/h)
15
E
20
ESE
25
E
25
E
25
E
30
E
30
SE
35
SE
25
ESE
30
SE
30
ESE
30
E
30
ENE
30
ENE
35
ENE
30
ENE
30
ENE
30
NE
30
NE
30
NE
30
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
ononcross-
on
onononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
High Tide
/ height (m)
10:11AM
0.36
2:50PM
0.30
10:15PM
0.22
3:37AM 11:04AM
0.14 0.33
3:43PM
0.28
11:02PM
0.27
4:02AM 11:55AM
0.13 0.29
4:40PM
0.26
11:44PM
0.30
12:41PM 5:43PM
0.25 0.23
12:21AM
0.33
1:24PM
0.22
7:04PM 12:54AM
0.22 0.34
2:01PM
0.19
1:21AM
0.34
2:26PM
0.16
1:41AM
0.33
Low Tide
/ height (m)
1:00PM
0.28
6:55PM 1:24AM
0.03 0.09
6:48AM
0.00
1:46PM
0.25
7:33PM 2:40AM
0.08 0.12
7:34AM
-0.02
2:33PM
0.23
8:09PM
0.12
8:17AM
-0.02
3:20PM
0.20
8:39PM
0.17
8:56AM
-0.01
4:04PM
0.17
8:55PM
0.20
9:30AM
0.02
4:45PM
0.15
9:57AM
0.05
5:20PM
0.12
Thursday
05
Friday
06
Saturday
07
Sunday
08
Monday
09
Tuesday
10
Wednesday
11
Sunrise6:20--6:20--6:20--6:22--6:22--6:24--6:24--
Sunset-6:59--6:57--6:55--6:54--6:53--6:52--6:51-
part cloud
clear
clear
clear
part cloud
mod rain
heavy rain
rain showers
rain showers
part cloud
clear
part cloud
cloud
cloud
cloud
light rain
light rain
thunderstorm
thunderstorm
part cloud
clear
Rain (mm)
-----614142------1342--
Temp. °C242423232322212022212122222322222222232423
Feels °C (?)242421212220181819161717171817191919212220
  • 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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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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