Guarita Surf Forecast

/ Rio Grande Do Sul (19 surf breaks) /

Brazil (447 surf breaks)

Surf Forecasts:

Guarita surfForecast / Rio Grande Do Sul / Brazil

48hr Weather and Surf, issued 2 am Thursday 18 Sep 2025 -03

Forecast update in hr min s Forecast update imminent

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

Today's Guarita sea temperature is 18.2° C
(Which is slightly warmer than usual)

How big are the waves at Guarita today?

The current surf forecast for Guarita at 9AM is: 1.7m 10s primary swell from a East-northeast direction and 1.5m 10s secondary swell from a East direction, 0.9m 12s secondary swell from a Southeast direction (forecast issued at 02:00am September 18). The wind direction is predicted to be cross-shore.

Time (-03) & Date	Wave Height	Wave Period
Morning (18 Sep)	5.5ft (1.7m)	10s
Afternoon (18 Sep)	6ft (1.8m)	10s
Evening (18 Sep)	6ft (1.9m)	10s

Table - waves today at Guarita. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thursday 18								Friday 19								Saturday 20
	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	6 PM	9 PM
Rating (10 max)	2	2	3	2	0	0	1	2	1	2	2	0	0	0	1	2	2	2	1	0	0	2	2	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	E	ENE	ENE	ENE	E	E	E	E	ENE	ENE	ENE	E	ENE	ENE	E	E	E	E	E	E	E	E	E	E
Period(s) (?)	9	9	9	10	10	10	10	10	7	10	9	9	9	9	9	8	8	8	8	8	8	8	8	8
Wave Graph (?)
kJ (?)	463	572	495	551	417	618	697	697	543	828	778	367	422	413	292	235	191	161	157	130	130	133	133	140
Wind (km/h)	NNE	NNE	NNE	NNE	NE	NE	NE	NNE	NNE	NNE	NNE	NNE	ENE	ENE	NNE	NNE	NE	N	N	NE	ENE	NW	SW	NNE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross	cross	cross- on	cross- on	cross	cross	cross	cross	cross	cross	cross- on	cross- on	cross	glass	glass	cross- off	glass	cross	cross- on	off	cross- off	cross
High Tide / height (m)		1:06AM 0.28				2:14PM 0.56			9:16PM 0.37					2:51PM 0.51			10:43PM 0.44						3:23PM 0.45
Low Tide / height (m)			5:31AM 0.03					6:37PM 0.32				6:23AM -0.01				7:04PM 0.27				7:06AM -0.03				7:35PM 0.23

	Thursday 18								Friday 19								Saturday 20
Sunrise	-	-	-	6:13	-	-	-	-	-	-	-	6:13	-	-	-	-	-	-	-	6:11	-	-	-	-
Sunset	-	-	-	-	-	-	6:13	-	-	-	-	-	-	-	6:13	-	-	-	-	-	-	-	6:14	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	1	5
Temp. °C	18	17	16	18	21	21	19	18	18	17	16	19	22	21	20	21	21	21	21	23	23	21	21	20
Feels °C (?)	18	16	15	17	19	18	17	16	17	16	15	18	20	20	21	23	23	21	22	24	23	23	23	21

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 Light wind has turned cross-on at Guarita (light winds from the ENE at Osvaldo Kroeff wx 51 km from Guarita). 1.9m 9s swell from the E with a 1.3m 9s swell, also from the E and a 0.8m 12s groundswell, also from the SE. 3 swells combining so expect closeout sets.
39 minutes ago Guarita

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