Rio Grande Jetties surfForecast / Rio Grande Do Sul / Brazil

information circle16 Day Weather and Surf, issued 2 pm Sunday 12 Apr 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
23.1° C
(Which is 1.9°C warmer than 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 Monday (Apr 13) at 12AM. The primary swell is predicted to be 0.4m and 11s period with a secondary swell of 0.6m and 7s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Rio Grande Jetties in the next 16 days are 2.1m 7s and forecast to arrive on Thursday (Apr 16) at 12PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 8s period and expected on Thursday (Apr 16) at 9PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+)12AM (Mon 13th Apr)1.5ft (0.4m) 11s
Best Surf 3AM (Fri 17th Apr)5ft (1.6m) 8s
Most Powerful12PM (Thu 16th Apr)7ft (2.1m) 7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 2mm), mostly falling on Sun afternoon. Warm (max 24°C on Sun afternoon, min 20°C on Sun night). Winds increasing (calm on Sun afternoon, fresh winds from the ENE by Wed morning).

Days 3-6 Weather Summary Heavy rain (total 22mm), heaviest during Thu afternoon. Warm (max 23°C on Wed afternoon, min 18°C on Fri night). Winds decreasing (strong winds from the NE on Wed night, light winds from the NW by Thu night).

Sun
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
1
0
0
0
0
0
0
0
0
0
0
0
1
2
2
2
1
0
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.5
SE
0.4
SE
0.5
E
0.5
E
0.7
ESE
0.7
E
0.7
E
0.3
SE
1.2
ENE
0.5
SE
1.1
E
0.5
SE
2
E
1.8
E
1.4
ESE
1.2
ESE
1.2
ESE
0.8
ESE
0.7
ESE
0.7
ESE
0.8
S
Period(s) (?)11117777715613612889988997
Wave
Graph
(?)Metric surfscale
Energy kJ (?)59402225524443358784806845144332624320294778257
Wind
(km/h)
15
NNE
10
NW
10
S
20
SSE
15
E
20
ENE
20
E
20
ENE
25
NE
25
ENE
40
ENE
35
NE
35
NE
15
NNW
15
NW
15
WNW
15
NW
20
WNW
20
WSW
5
W
10
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossoffcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
cross-
off
offoffoffoffcross-
off
cross-
off
cross-
off
High Tide
/ height (m)
2:54AM
0.35
10:37AM
0.21
4:00AM 11:28AM
0.33 0.24
5:24AM
0.30
12:19PM
0.27
2:03AM
0.20
6:45AM
0.28
1:12PM
0.29
6:32PM 2:07AM
0.18 0.15
7:55AM
0.27
2:05PM
0.30
7:43PM 2:28AM
0.25 0.11
8:56AM
0.25
3:01PM
0.31
8:41PM 2:53AM
0.34 0.08
9:50AM
0.23
Low Tide
/ height (m)
6:26PM
-0.01
7:58AM
0.18
7:16PM
-0.02
8:33AM
0.19
8:15PM
-0.02
9:14AM
0.19
9:20PM
-0.00
3:04AM 10:00AM
0.19 0.19
4:56PM
0.17
10:31PM
0.02
4:12AM 10:48AM
0.12 0.18
5:17PM
0.20
11:44PM
0.03
5:05AM 11:37AM
0.04 0.17
5:46PM
0.23
12:58AM
0.05
5:54AM
-0.03
Sun
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunrise--6:47--6:48--6:48--6:48--6:50--6:50--6:50
Sunset6:10--6:08--6:07--6:07--6:06--6:05--6:04--
light rain
rain showers
clear
clear
part cloud
clear
part cloud
part cloud
cloud
cloud
mod rain
light rain
mod rain
part cloud
part cloud
rain showers
part cloud
cloud
part cloud
part cloud
clear
Rain (mm)
11--------939--1-----
Temp. °C242121212123232223232321202122232020212121
Feels °C (?)242322202123232321211918152022232018202222
  • 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 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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