Molhes de Mampituba Surf Forecast

/ Rio Grande Do Sul (19 surf breaks) /

Brazil (447 surf breaks) / Lat Long: (29.40° S 49.77° W)

Surf Forecasts:

Molhes de Mampituba surfForecast / Rio Grande Do Sul / Brazil

48hr Weather and Surf, issued 8 pm Monday 15 Sep 2025 -03

Forecast update in hr min s Forecast update imminent

Molhes de Mampituba surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Molhes de Mampituba sea temperature is 18.3° C
(Which is slightly warmer than usual)

How big are the waves at Molhes de Mampituba today?

The current surf forecast for Molhes de Mampituba at 12AM is: 1.5m 14s primary swell from a Southeast direction and 1.2m 7s secondary swell from a East direction (forecast issued at 08:00pm September 15). The wind direction is predicted to be glassy and the swell rating is 3.

Time (-03) & Date	Wave Height	Wave Period
Morning (16 Sep)	-	-
Afternoon (16 Sep)	-	-
Evening (16 Sep)	5ft (1.6m)	14s

Table - waves today at Molhes de Mampituba. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Mon 15		Tuesday 16								Wednesday 17								Thursday 18
	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM
Rating (10 max)	3	4	3	3	3	3	1	1	0	3	2	4	3	4	2	0	2	2	3	4	4	4	1	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	SE	SE	SE	ESE	SE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	E	E	E	ENE	E	ENE	E	E
Period(s) (?)	14	14	14	13	14	14	14	14	14	13	13	13	10	10	9	10	9	9	9	9	9	9	9	10
Wave Graph (?)
Energy (?)	1539	1333	942	884	1243	884	1132	943	929	976	946	1014	748	1260	795	1023	1248	1236	1125	1195	1003	1052	516	842
Wind (km/h)	NE	NE	W	NNW	S	SSW	S	SSE	SSW	WSW	SW	W	NW	NNE	ENE	ENE	ENE	NE	NNE	N	N	NNE	ENE	ENE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	glass	glass	glass	cross- on	glass	cross- on	cross- on	cross- on	cross- off	cross	glass	glass	glass	cross- on	cross- on	cross	cross	cross- off	cross- off	cross- off	cross- off	cross	cross
High Tide / height (m)				12:14AM 0.24		6:30AM 0.25		12:51PM 0.62				12:44AM 0.27				1:34PM 0.61				1:06AM 0.29				2:14PM 0.57
Low Tide / height (m)		9:00PM 0.08			3:08AM 0.14	8:03AM 0.24					9:47PM 0.16		4:27AM 0.09						10:46PM 0.25		5:32AM 0.04

	Mon 15		Tuesday 16								Wednesday 17								Thursday 18
Sunrise	-	-	-	-	-	6:16	-	-	-	-	-	-	-	6:15	-	-	-	-	-	-	-	6:13	-	-
Sunset	6:10	-	-	-	-	-	-	-	6:10	-	-	-	-	-	-	-	6:12	-	-	-	-	-	-	-

Rain (mm)	1	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	19	18	18	19	18	19	20	20	18	18	17	17	18	19	20	20	19	18	18	17	17	18	21	21
Feels °C (?)	19	19	19	21	19	21	19	19	17	17	17	18	20	20	20	18	18	16	16	16	17	17	20	19

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 Molhes de Mampituba (calm at Osvaldo Kroeff wx 44 km from Molhes de Mampituba). 1.9m 7s swell from the ENE with a 1.7m 13s groundswell from the SE and a 1.4m 7s swell from the ENE. 3 swells combining so expect closeout sets.
1 hour 24 minutes ago Molhes de Mampituba

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44 km away, 1 h 24 min ago

3 km/h

NNW

0.0

18.3

Air / Water (°C)

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