Rio Grande Jetties Surf Forecast

/ Rio Grande Do Sul (19 surf breaks) /

Brazil (447 surf breaks) / Lat Long: (32.16° S 52.11° W)

Surf Forecasts:

Rio Grande Jetties surfForecast / Rio Grande Do Sul / Brazil

12 Day Weather and Surf, issued 2 pm Tuesday 16 Sep 2025 -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 16.1° C
(Which is 1.6°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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 19) at 12PM. The primary swell is predicted to be 1.1m and 8s period with a secondary swell of 0.3m and 10s. 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 1.4m 14s and forecast to arrive on Tuesday (Sep 16) at 6PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 8s period and expected on Friday (Sep 19) at 6AM.

Wave Type	Time (-03) & Date	Wave Height & Period
Next good surf (1 star+)	12PM (Fri 19th Sep)	3.5ft (1.1m) 8s
Best Surf	12PM (Fri 19th Sep)	3.5ft (1.1m) 8s
Most Powerful	6PM (Tue 16th Sep)	4.5ft (1.4m) 14s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

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	Short Range Forecast Mostly dry. Warm (max 21°C on Fri morning, min 17°C on Tue afternoon). Winds decreasing (fresh winds from the NE on Wed night, light winds from the N by Fri morning).											Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Sun morning. Warm (max 23°C on Fri afternoon, min 13°C on Sun night). Winds increasing (calm on Sat night, fresh winds from the S by Sun afternoon).
	Tue 16		Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22
	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM
Rating (10 max)	1	1	0	0	0	0	0	0	0	1	0	0	1	0	1	0	0	0	0	0	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	SE	ESE	ESE	SE	E	E	E	E	E	E	E	E	SSE	E	E	S	S	S	S	SSE
Period(s) (?)	14	13	13	13	12	7	6	6	8	9	8	8	8	11	8	9	6	6	7	8	8
Wave Graph (?)
kJ (?)	777	412	295	430	149	181	119	149	160	150	113	80	44	23	66	57	178	263	274	368	216
Wind (km/h)	E	ENE	ENE	ENE	NE	ENE	ENE	ENE	NE	ESE	ENE	ENE	NNW	E	WSW	S	S	SSW	SW	SSW	SW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross	glass	cross- on	cross- on	cross- off	glass	cross- off	cross	cross	cross	cross- off	cross- off	cross- off
High Tide / height (m)			3:38AM 0.19	3:58PM 0.58		4:37AM 0.17	5:11PM 0.54	10:22PM 0.33	5:41AM 0.16	12:46PM 0.30	6:25PM 11:29PM 0.50 0.38	6:48AM 0.17	1:14PM 0.29	7:36PM 12:25AM 0.47 0.40	7:51AM 0.20	1:46PM 0.28	8:41PM 1:19AM 0.44 0.41	8:47AM 0.25	2:19PM 0.27	9:40PM 2:10AM 0.41 0.41	9:37AM 0.29
Low Tide / height (m)		12:22AM 0.06	6:41AM 0.07		1:45AM 0.08	7:35AM 0.07		9:27PM 3:00AM 0.33 0.09	8:30AM 0.08	2:18PM 0.29	9:58PM 0.36	4:02AM 9:26AM 0.09 0.10	3:32PM 0.23	10:34PM 0.38	4:54AM 10:24AM 0.10 0.14	4:33PM 0.18	11:14PM 0.38	5:39AM 11:25AM 0.12 0.18	5:26PM 0.14	11:56PM 0.37	6:21AM 0.15

	Tue 16		Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22
Sunrise	-	-	6:24	-	-	6:22	-	-	6:22	-	-	6:20	-	-	6:18	-	-	6:18	-	-	6:16
Sunset	6:20	-	-	6:21	-	-	6:21	-	-	6:22	-	-	6:22	-	-	6:22	-	-	6:23	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	4	-	-	-	-	-	-
Temp. °C	17	17	19	19	18	20	19	18	21	23	21	21	22	19	18	15	13	13	13	12	13
Feels °C (?)	15	16	17	16	13	18	17	18	22	25	21	20	22	19	19	9	6	6	5	4	8

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Rio Grande Do Sul

Wind Update Continuing clean conditions at Rio Grande Jetties (calm at Rio Grande (86995 -0) 14 km from Rio Grande Jetties). 1.3m 14s groundswell from the SE with a 1.2m 8s swell from the E. 2 swells combining to make bigger set waves.
2 hours 3 minutes ago Rio Grande Jetties

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2 h 3 min ago

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Clean

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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.

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.