ariasurf

Praia de São Simão

Mostardas, Brasil

Right now

Conditions at 2:00 PM Brasilia Standard Time.

Poor

Knee-high (0.8 m) at 7 s, heading toward NNW, with strong cross-onshore wind toward WSW.

Swell

0.8 m

NNW

7 s

Wind

28 km/h

WSW

Cross-onshore

Tide

0.6 m

Falling

Weather

15 °C

Overcast

15 °C water

7-day forecast

Wave height and the best conditions expected each day.

Hourly forecast

Friday, September 18, 2026

Time	Rating	Swell	Swell direction	Wind	Wind direction	Tide	Weather
12 AM	Poor	1.1 m · 7 s	NNW	17 km/h · 21 km/h gusts	WSW Onshore	0.4 m	Mostly clear · 15 °C
1 AM	Poor	1.1 m · 7 s	NNW	18 km/h · 22 km/h gusts	WSW Onshore	0.5 m	Clear · 15 °C
2 AM	Poor	1.1 m · 7 s	NNW	19 km/h · 22 km/h gusts	WSW Onshore	0.5 m	Clear · 15 °C
3 AM	Poor	1.1 m · 7 s	NNW	18 km/h · 23 km/h gusts	WSW Onshore	0.5 m	Clear · 15 °C
4 AM	Poor	1 m · 7 s	NNW	19 km/h · 23 km/h gusts	WSW Onshore	0.5 m	Clear · 15 °C
5 AM	Poor	1 m · 7 s	NNW	20 km/h · 24 km/h gusts	WSW Onshore	0.5 m	Clear · 15 °C
6 AM	Poor	1 m · 7 s	NNW	22 km/h · 26 km/h gusts	SW Onshore	0.5 m	Clear · 15 °C
7 AM	Poor	1 m · 7 s	NNW	20 km/h · 26 km/h gusts	SW Cross-shore	0.5 m	Mostly clear · 15 °C
8 AM	Poor	1 m · 8 s	NNW	18 km/h · 25 km/h gusts	SW Cross-shore	0.5 m	Overcast · 15 °C
9 AM	Poor	0.9 m · 8 s	NNW	18 km/h · 22 km/h gusts	SW Onshore	0.6 m	Partly cloudy · 15 °C
10 AM	Poor	0.9 m · 8 s	NNW	21 km/h · 25 km/h gusts	WSW Onshore	0.6 m	Overcast · 16 °C
11 AM	Poor	0.9 m · 8 s	NNW	24 km/h · 29 km/h gusts	WSW Onshore	0.6 m	Overcast · 16 °C
12 PM	Poor	0.9 m · 8 s	NNW	26 km/h · 32 km/h gusts	WSW Onshore	0.6 m	Overcast · 16 °C
1 PM	Poor	0.8 m · 7 s	NNW	27 km/h · 34 km/h gusts	WSW Onshore	0.6 m	Partly cloudy · 16 °C
2 PM	Poor	0.8 m · 7 s	NNW	28 km/h · 35 km/h gusts	WSW Onshore	0.6 m	Overcast · 15 °C
3 PM	Poor	0.7 m · 7 s	NNW	24 km/h · 35 km/h gusts	WSW Onshore	0.6 m	Overcast · 15 °C
4 PM	Poor	0.7 m · 7 s	NNW	23 km/h · 31 km/h gusts	WSW Onshore	0.5 m	Overcast · 16 °C
5 PM	Poor	0.7 m · 7 s	NNW	23 km/h · 28 km/h gusts	WSW Onshore	0.5 m	Overcast · 16 °C
6 PM	Poor	0.7 m · 7 s	NNW	26 km/h · 32 km/h gusts	WSW Onshore	0.4 m	Overcast · 16 °C
7 PM	Poor	0.7 m · 7 s	NNW	28 km/h · 34 km/h gusts	WSW Onshore	0.4 m	Overcast · 16 °C
8 PM	Poor	0.7 m · 8 s	NNW	29 km/h · 36 km/h gusts	WSW Onshore	0.4 m	Overcast · 16 °C
9 PM	Poor	0.7 m · 8 s	NNW	33 km/h · 41 km/h gusts	WSW Onshore	0.4 m	Overcast · 16 °C
10 PM	Poor	0.7 m · 8 s	NNW	33 km/h · 43 km/h gusts	WSW Onshore	0.4 m	Overcast · 16 °C
11 PM	Poor	0.7 m · 8 s	NNW	32 km/h · 42 km/h gusts	WSW Onshore	0.5 m	Overcast · 16 °C