Surf Forecasts and Marine Weather - No Hype - Just the Facts!
And Here We Go - Long Awaited Atmospheric Change Happening! - Video Forecast HERE (11/16/25)
Buoys | Buoy Forecast | Bulletins | Models: Wave - Weather - Surf - Altimetry - Snow | Pacific Forecast | QuikCAST | El Nino | Tutorials | Great Circles | Video

Google
Create Your Own Surf Forecast
Swell Calculator
Swell Decay Tables
Sea Height Tables
Swell Category Table
.

Surf Spot Forecast Graph
Surf Size, Swell Size, Swell Period & Direction, Wind Speed & Direction

 

Porto_Alegra
Coordinates: -30.5S -50W
Start Time (GMT): 18Z16NOV2025
Local Time Zone: GMT -3
© Stormsurf 2025

Surf Hgt
ft
15
12
9
6
3

1.0

0.9

4.8

4.4

3.7

2.9

2.4

2.1

1.9

7.1

7.2

6.9

6.5

5.9

5.5

4.9

4.5

4.1

3.9

3.9

3.6

3.3

3.0

2.9

2.7

2.5

5.8

10.2

10.7

9.8

9.4

9.2

8.7

8.0

7.2

6.4

5.8

5.3

4.9

4.8

4.7

4.6

4.4

4.2

4.8

3.1

3.2

2.4

3.1

3.1

3.1

3.0

3.0

2.9

3.0

3.0

2.8

2.7

2.7

2.6

2.4

Wind
kts
30
25
20
15
10
5

21

23

26

18

23

26

21

17

14

11

8

2

3

8

10

11

11

8

10

13

17

17

17

10

16

18

14

14

14

16

16

15

17

18

20

22

22

24

25

21

17

14

14

19

19

19

20

17

16

17

17

17

18

13

12

5

8

12

14

9

7

WDir
dg
WDir
dg

NNE

NNE

SW

WSW

SSW

SSW

SSW

SSW

SSW

S

SSE

E

NE

NE

NNE

NNE

NNE

NE

NNE

NNW

WNW

W

W

SW

S

SE

ESE

E

E

E

ENE

ENE

ENE

ENE

ENE

ENE

ENE

NE

NE

NNE

NNE

NE

E

ENE

ENE

ENE

ENE

NE

ENE

ENE

ENE

ENE

ENE

ENE

NE

NE

ESE

ESE

E

ENE

ENE

   

16 Su 15

16 Su 18

16 Su 21

17 Mo 12

17 Mo 03

17 Mo 06

17 Mo 09

17 Mo 24

17 Mo 15

17 Mo 18

17 Mo 21

18 Tu 12

18 Tu 03

18 Tu 06

18 Tu 09

18 Tu 24

18 Tu 15

18 Tu 18

18 Tu 21

19 We 12

19 We 03

19 We 06

19 We 09

19 We 24

19 We 15

19 We 18

19 We 21

20 Th 12

20 Th 03

20 Th 06

20 Th 09

20 Th 24

20 Th 15

20 Th 18

20 Th 21

21 Fr 12

21 Fr 03

21 Fr 06

21 Fr 09

21 Fr 24

21 Fr 15

21 Fr 18

21 Fr 21

22 Sa 12

22 Sa 03

22 Sa 06

22 Sa 09

22 Sa 24

22 Sa 15

22 Sa 18

22 Sa 21

23 Su 12

23 Su 03

23 Su 06

23 Su 09

23 Su 24

23 Su 15

23 Su 18

23 Su 21

24 Mo 12

24 Mo 03

Date/Day/Time (Local - 24 hr)
Swell Hgt
ft

12

10

8

6

4

2

1.0

0.9

6.5

5.7

4.7

3.8

3.2

2.8

2.6

6.7

6.7

6.4

6.1

5.7

5.4

5.0

4.6

4.3

4.1

3.8

3.5

3.2

2.9

2.7

2.6

2.4

3.6

6.5

7.1

6.7

6.6

6.7

6.5

6.2

5.8

5.3

4.9

4.6

4.3

4.2

4.1

4.0

4.0

3.8

4.4

3.8

3.9

3.2

3.0

3.0

3.1

3.1

3.0

3.0

3.0

4.5

4.1

3.9

2.9

3.8

3.4

Swell Per
sec

25

20

15

10

5

10.2

10.1

7.4

7.7

7.7

7.7

7.5

7.5

7.5

10.6

10.8

10.8

10.6

10.3

10.2

9.8

9.7

9.6

9.6

10.1

10.3

10.3

10.4

10.7

10.5

10.2

16.1

15.6

15.0

14.6

14.3

13.8

13.3

12.8

12.5

12.0

11.8

11.5

11.4

11.5

11.5

11.3

11.1

11.0

10.8

8.2

8.2

7.3

10.2

10.2

10.1

10.0

9.9

9.9

9.8

6.8

6.8

6.9

9.6

7.0

7.0

SDir
dg
SDir
dg

182

184

48

51

53

55

57

59

60

187

184

181

180

178

177

177

177

176

176

176

177

177

178

178

180

184

169

169

170

177

178

178

178

179

180

181

181

181

180

179

179

178

178

177

171

158

153

146

177

177

177

177

177

177

176

63

63

68

177

76

68

   

16 Su 15

16 Su 18

16 Su 21

17 Mo 12

17 Mo 03

17 Mo 06

17 Mo 09

17 Mo 24

17 Mo 15

17 Mo 18

17 Mo 21

18 Tu 12

18 Tu 03

18 Tu 06

18 Tu 09

18 Tu 24

18 Tu 15

18 Tu 18

18 Tu 21

19 We 12

19 We 03

19 We 06

19 We 09

19 We 24

19 We 15

19 We 18

19 We 21

20 Th 12

20 Th 03

20 Th 06

20 Th 09

20 Th 24

20 Th 15

20 Th 18

20 Th 21

21 Fr 12

21 Fr 03

21 Fr 06

21 Fr 09

21 Fr 24

21 Fr 15

21 Fr 18

21 Fr 21

22 Sa 12

22 Sa 03

22 Sa 06

22 Sa 09

22 Sa 24

22 Sa 15

22 Sa 18

22 Sa 21

23 Su 12

23 Su 03

23 Su 06

23 Su 09

23 Su 24

23 Su 15

23 Su 18

23 Su 21

24 Mo 12

24 Mo 03

Date/Day/Time (Local - 24 hr)

.
Contact | About | Disclaimer | Privacy
Advertise/Content | Links
Visit Mark Sponsler on Facebook Visit Stormsurf on Instagram Visit Stormsurf on YouTube
Copyright © 2025 STORMSURF - All Rights Reserved
This page cannot be duplicated, reused or framed in another window without express written permission.
But links are always welcome.
Buoys | Buoy Forecast | Bulletins | Models: Wave - Weather - Surf - Altimetry - Snow | Pacific Forecast | QuikCAST | El Nino | Tutorials | Great Circles | Calculator