Rio Grande Jetties Surf Break

Lat Long: 32.16° S 52.11° W

Rio Grande Jetties Surf Forecast and Surf Report

Issued: 2 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Rio Grande Jetties sea temperature is
13.9° C
0.2° 

Rio Grande Jetties surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Rio Grande Jetties surf forecast from 18 Aug 2026:

  • Best quality surf: Monday 24 Aug, 9AM (local time) - 5.5ft (1.7m), 13s period, SSE swell with glassy winds.
  • Most powerful swell: Monday 24 Aug, 3AM (local time) - 6ft (1.9m), 14s period, SSE swell with 1,376 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 18 Aug, 9AM (local time) - 2.5ft (0.8m), 9s period with E swell.

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 Tuesday (Aug 18) at 9AM. The primary swell is predicted to be 0.8m and 9s period with a secondary swell of 0.4m and 6s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Rio Grande Jetties in the next 16 days are 1.9m 14s and forecast to arrive on Monday (Aug 24) 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 1.1m 4s period and expected on Friday (Aug 21) at 3AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Tue 18th Aug)2.5ft (0.8m) 9s
Best Surf 9AM (Mon 24th Aug)5.5ft (1.7m) 13s
Most Powerful 3AM (Mon 24th Aug)6ft (1.9m) 14s

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


Short Range Forecast

Heavy rain (total 26mm), heaviest during Thu morning. Very mild (max 18°C on Thu afternoon, min 10°C on Thu night). Winds increasing (calm on Tue morning, fresh winds from the WSW by Thu night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 12°C on Fri afternoon, min 7°C on Fri night). Winds decreasing (fresh winds from the SW on Fri morning, light winds from the SSE by Sun night).

Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
0
0
0
0
0
0
0
0
1
0
1
2
3
2
2
3
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
E
9
0.7
E
9
1
SSE
6
1
SE
6
0.9
ESE
6
0.7
E
8
0.4
S
8
1
E
5
0.7
E
7
1.7
S
8
1.6
S
7
1.4
S
7
1.4
S
8
1.4
S
10
1.3
S
10
2.2
S
11
1.5
S
12
1.8
SSE
14
1.7
SSE
13
1.4
SSE
13
1.1
SSE
12
Wave Graph
Metric surfscale
Energy kJ
99
74
80
71
43
69
18
45
48
323
243
205
235
384
360
1148
607
1318
965
659
341
Wind (km/h)
5
NE
20
SSW
15
SSE
20
SE
15
SE
20
ENE
20
ENE
25
NNE
35
W
30
WSW
35
SW
25
SW
25
SW
20
SW
15
W
20
WSW
20
SW
15
S
5
S
15
ENE
25
NE
Wind State
glassy
cross
cross-on
on
on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross
glassy
cross-on
cross
High Tide
12:29PM0.41m
1:23AM0.36m
6:39AM0.31m
1:14PM0.44m
2:14AM0.31m
8:15AM0.30m
1:58PM0.45m
3:05AM0.27m
2:40PM0.44m
3:56AM0.23m
3:23PM0.42m
4:47AM0.20m
4:10PM0.40m
10:14PM0.24m
5:36AM0.17m
5:09PM0.38m
11:16PM0.28m
Low Tide
9:00PM0.07m
4:24AM0.28m
9:50PM0.08m
5:07AM0.25m
10:45PM0.10m
5:49AM0.22m
11:51PM0.13m
6:27AM0.20m
1:28AM0.16m
7:01AM0.18m
10:04PM0.24m
3:22AM0.16m
10:05PM0.28m
light rain
cloud
light rain
cloud
light rain
light rain
mod rain
rain showers
mod rain
cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:01
7:01
7:00
6:58
6:56
6:56
6:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:01
6:02
6:04
6:04
6:05
6:06
6:06
 mm
2
4
1
4
8
1
6
Temp °C
16
14
13
12
13
16
16
18
17
11
12
9
10
11
10
10
11
10
9
11
12
Feels °C
17
12
10
9
11
15
14
16
13
5
5
2
3
5
6
5
5
6
6
7
6
  • 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 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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