Surf Forecasts and Marine Weather - No Hype - Just the Facts!
What Is Wrong With Our Fall North Pacific Swell Season? - Video HERE (10/18/26)
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): 00Z20OCT2026
Local Time Zone: GMT -3
© Stormsurf 2026

Surf Hgt
ft
15
12
9
6
3

7.5

7.1

6.8

6.4

6.1

5.9

6.0

6.4

6.6

6.9

6.9

6.1

5.7

5.4

5.1

4.9

4.7

4.7

4.6

4.5

4.6

4.7

4.8

5.1

4.9

4.5

4.1

3.8

3.4

4.0

3.5

3.3

3.1

3.2

3.0

2.8

2.6

2.4

2.8

2.8

3.1

4.0

6.1

0.8

0.9

7.4

7.8

9.0

11.2

13.4

13.1

12.0

11.6

11.5

10.4

9.5

9.1

8.4

7.6

7.1

6.7

Wind
kts
30
25
20
15
10
5

12

10

8

5

4

5

9

11

12

14

15

16

17

18

19

21

21

21

21

22

22

23

23

25

26

25

25

19

19

8

10

9

7

6

6

7

5

6

8

8

9

13

19

19

23

20

28

27

29

30

28

19

18

14

13

12

10

7

10

11

12

WDir
dg
WDir
dg

S

S

S

S

S

SSE

SE

ESE

E

E

E

ENE

ENE

ENE

ENE

ENE

ENE

ENE

ENE

ENE

ENE

ENE

NE

NE

NE

NE

NE

NE

NNE

NNE

ENE

NE

NNE

NNW

SSW

SE

NNE

SSW

S

S

SSE

ESE

ESE

ESE

ESE

ESE

E

E

ESE

SE

SSE

SSE

SSE

SSE

S

SSE

SE

SE

ESE

ESE

ESE

   

19 Mo 21

20 Tu 12

20 Tu 03

20 Tu 06

20 Tu 09

20 Tu 24

20 Tu 15

20 Tu 18

20 Tu 21

21 We 12

21 We 03

21 We 06

21 We 09

21 We 24

21 We 15

21 We 18

21 We 21

22 Th 12

22 Th 03

22 Th 06

22 Th 09

22 Th 24

22 Th 15

22 Th 18

22 Th 21

23 Fr 12

23 Fr 03

23 Fr 06

23 Fr 09

23 Fr 24

23 Fr 15

23 Fr 18

23 Fr 21

24 Sa 12

24 Sa 03

24 Sa 06

24 Sa 09

24 Sa 24

24 Sa 15

24 Sa 18

24 Sa 21

25 Su 12

25 Su 03

25 Su 06

25 Su 09

25 Su 24

25 Su 15

25 Su 18

25 Su 21

26 Mo 12

26 Mo 03

26 Mo 06

26 Mo 09

26 Mo 24

26 Mo 15

26 Mo 18

26 Mo 21

27 Tu 12

27 Tu 03

27 Tu 06

27 Tu 09

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

18

15

12

9

6

3

7.1

6.7

6.4

6.1

5.9

5.7

5.7

5.9

6.0

6.2

6.2

5.5

5.3

5.1

4.9

4.7

4.6

4.5

4.5

4.4

4.4

4.5

4.5

4.5

4.3

4.1

3.8

3.5

3.2

5.7

5.0

4.7

4.4

4.4

4.2

4.0

3.6

3.4

3.3

3.3

3.6

4.7

7.2

0.7

0.8

9.0

9.4

10.7

12.5

14.2

13.5

12.3

11.8

11.4

10.4

9.5

8.9

8.3

7.6

7.3

7.0

Swell Per
sec

25

20

15

10

5

10.6

10.5

10.6

10.5

10.3

10.3

10.4

10.8

11.0

11.1

11.0

10.9

10.8

10.7

10.5

10.4

10.4

10.3

10.3

10.3

10.3

10.5

10.8

11.3

11.4

11.2

11.0

10.9

10.6

7.1

7.0

7.0

7.0

7.2

7.1

7.1

7.1

7.1

8.6

8.5

8.6

8.6

8.5

12.8

12.3

8.2

8.2

8.4

8.9

9.5

9.7

9.8

9.8

10.1

10.1

10.1

10.2

10.1

10.0

9.7

9.5

SDir
dg
SDir
dg

155

153

150

149

148

146

144

142

141

139

136

142

142

142

142

142

141

140

139

137

135

134

133

132

131

131

131

131

131

55

59

62

64

63

63

66

63

62

134

135

134

135

126

171

172

116

111

106

107

113

116

113

115

115

114

114

114

115

115

117

118

   

19 Mo 21

20 Tu 12

20 Tu 03

20 Tu 06

20 Tu 09

20 Tu 24

20 Tu 15

20 Tu 18

20 Tu 21

21 We 12

21 We 03

21 We 06

21 We 09

21 We 24

21 We 15

21 We 18

21 We 21

22 Th 12

22 Th 03

22 Th 06

22 Th 09

22 Th 24

22 Th 15

22 Th 18

22 Th 21

23 Fr 12

23 Fr 03

23 Fr 06

23 Fr 09

23 Fr 24

23 Fr 15

23 Fr 18

23 Fr 21

24 Sa 12

24 Sa 03

24 Sa 06

24 Sa 09

24 Sa 24

24 Sa 15

24 Sa 18

24 Sa 21

25 Su 12

25 Su 03

25 Su 06

25 Su 09

25 Su 24

25 Su 15

25 Su 18

25 Su 21

26 Mo 12

26 Mo 03

26 Mo 06

26 Mo 09

26 Mo 24

26 Mo 15

26 Mo 18

26 Mo 21

27 Tu 12

27 Tu 03

27 Tu 06

27 Tu 09

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 © 2026 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