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Surf Forecasts:

Rio Grande Jetties surfForecast / Rio Grande Do Sul / Brazil

information circle12 Day Weather and Surf, issued 2 am Friday 09 Jan 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
23.3° 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 Saturday (Jan 10) at 9AM. The primary swell is predicted to be 1.2m and 7s period with a secondary swell of 0.3m and 9s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Rio Grande Jetties in the next 12 days are 1.5m 6s and forecast to arrive on Saturday (Jan 10) at 3AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 7s period and expected on Sunday (Jan 11) at 6PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Sat 10th Jan)4ft (1.2m) 7s
Best Surf 9AM (Sat 10th Jan)4ft (1.2m) 7s
Most Powerful 3AM (Sat 10th Jan)5ft (1.5m) 6s

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

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

Short Range Forecast Moderate rain (total 18mm), heaviest on Fri night. Warm (max 27°C on Sat morning, min 18°C on Sat night). Winds decreasing (fresh winds from the NE on Fri night, calm by Sun night).

Days 3-6 Weather Summary Mostly dry. Warm (max 25°C on Wed afternoon, min 22°C on Mon morning). Wind will be generally light.

Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.6
ESE
1.5
ESE
1.5
E
1.2
E
1
E
0.8
ESE
0.6
E
0.5
S
0.4
E
0.4
SSE
0.5
E
0.6
SSE
0.4
E
0.4
SSE
0.6
ESE
0.4
SE
0.6
E
0.3
E
0.4
E
0.6
E
0.6
E
Period(s) (?)666777687686868688887
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1761501701319460303316133222211450124111194340
Wind
(km/h)
30
E
30
E
30
ENE
15
N
20
NNW
20
WNW
20
WNW
10
NE
10
NNE
10
W
10
ESE
15
E
10
E
20
ESE
20
E
15
E
20
E
25
ENE
15
NNE
25
ENE
15
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on		cross-
off		cross-
off		offoffcross-
on		crosscross-
off		oncross-
on		ononcross-
on		oncross-
on		cross-
on		crosscross-
on		cross-
off
High Tide
/ height (m)
1:09PM
0.43
1:19AM
0.26
7:05AM
0.13
2:03PM
0.36
6:52PM 2:08AM
0.24 0.29
7:37AM
0.13
2:59PM
0.29
8:39PM 2:56AM
0.23 0.31
4:01PM
0.23
10:37PM
0.25
3:45AM
0.32
5:10PM
0.18
12:07AM
0.28
4:34AM
0.32
6:28PM 12:55AM
0.15 0.30
5:24AM
0.31
1:34AM
0.31
Low Tide
/ height (m)
9:46PM
0.09
5:06AM 9:31AM
0.10 0.09
5:54PM
0.23
10:29PM
0.14
6:33AM 10:31AM
0.12 0.08
6:22PM 11:12PM
0.21 0.20
11:42AM
0.09
6:52PM 11:59PM
0.18 0.24
1:05PM
0.08
7:20PM 1:16AM
0.16 0.28
2:31PM
0.07
7:39PM 2:48AM
0.15 0.29
3:44PM
0.06
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Sunrise5:31--5:31--5:33--5:33--5:35--5:35--5:35--
Sunset-7:38--7:37--7:37--7:37--7:37--7:37--7:37-
part cloud
light rain
mod rain
part cloud
thunderstorm
thunderstorm
clear
cloud
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
rain showers
rain showers
Rain (mm)
-110-42--1----------214
Temp. °C212122272722252622242423242422242523282922
Feels °C (?)171819282723242523262523242422252623292924
  • 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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