Surf Forecasts and Marine Weather - No Hype - Just the Facts!
And Here We Go - A Massive El Nino Is Developing! - Video HERE (7/12/26)
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

 

Siberut
Coordinates: -1.5N 98.5E
Start Time (GMT): 12Z13JUL2026
Local Time Zone: GMT +7
© Stormsurf 2026

Surf Hgt
ft
10
8
6
4
2

3.9

4.0

4.1

4.5

4.5

4.9

4.8

4.1

3.9

5.9

6.1

5.7

7.8

5.8

7.4

7.2

7.0

6.7

6.5

5.9

4.9

5.7

5.5

5.0

3.9

4.4

4.3

5.8

6.0

6.1

6.0

5.9

5.8

5.8

5.8

5.7

5.6

5.6

5.6

5.5

5.4

5.4

5.3

5.2

5.1

5.0

4.9

4.8

4.6

4.4

6.6

7.2

9.5

9.5

9.5

9.8

9.5

8.9

8.7

8.4

8.0

Wind
kts
30
25
20
15
10
5

11

9

8

8

9

9

8

8

8

9

7

6

5

4

3

5

3

3

4

5

6

6

5

5

6

6

7

7

8

8

8

6

4

3

3

4

4

3

3

3

4

2

1

2

2

1

3

5

5

5

2

2

4

3

2

3

9

9

8

8

7

WDir
dg
WDir
dg

SSE

SSE

SSE

SSE

SSE

SSE

S

SSE

SE

SE

ESE

ESE

E

E

SW

SW

SSW

SSE

SSE

SE

ESE

ESE

S

S

S

SSE

SSE

SSE

SE

SE

SSE

S

SSE

SSE

S

S

S

SSE

S

SW

SSW

WSW

W

SSW

S

SE

SSE

SSW

S

S

E

E

ENE

ENE

NNE

SSE

SE

SE

ESE

E

E

   

13 Mo 19

13 Mo 22

14 Tu 01

14 Tu 04

14 Tu 07

14 Tu 10

14 Tu 13

14 Tu 16

14 Tu 19

14 Tu 22

15 We 01

15 We 04

15 We 07

15 We 10

15 We 13

15 We 16

15 We 19

15 We 22

16 Th 01

16 Th 04

16 Th 07

16 Th 10

16 Th 13

16 Th 16

16 Th 19

16 Th 22

17 Fr 01

17 Fr 04

17 Fr 07

17 Fr 10

17 Fr 13

17 Fr 16

17 Fr 19

17 Fr 22

18 Sa 01

18 Sa 04

18 Sa 07

18 Sa 10

18 Sa 13

18 Sa 16

18 Sa 19

18 Sa 22

19 Su 01

19 Su 04

19 Su 07

19 Su 10

19 Su 13

19 Su 16

19 Su 19

19 Su 22

20 Mo 01

20 Mo 04

20 Mo 07

20 Mo 10

20 Mo 13

20 Mo 16

20 Mo 19

20 Mo 22

21 Tu 01

21 Tu 04

21 Tu 07

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

12

10

8

6

4

2

3.5

3.5

3.6

4.0

4.0

4.4

4.3

3.7

3.5

3.6

3.8

3.6

5.0

3.8

4.8

4.7

4.7

4.6

4.5

4.1

3.4

4.0

3.9

3.6

2.8

3.2

3.1

3.8

4.0

4.0

4.0

4.0

4.0

4.0

4.0

4.0

3.9

3.9

3.9

3.9

3.9

3.9

3.9

3.9

3.9

3.8

3.8

3.8

3.6

3.5

3.7

4.1

5.6

5.7

5.8

6.1

6.1

5.8

5.7

5.6

5.4

Swell Per
sec

25

20

15

10

5

11.3

11.3

11.2

11.2

11.1

11.2

11.2

11.2

11.1

16.4

16.2

15.8

15.5

15.4

15.3

15.2

15.0

14.7

14.5

14.4

14.3

14.2

14.1

13.8

13.7

13.8

13.9

15.2

15.2

15.2

15.1

14.6

14.4

14.4

14.4

14.2

14.1

14.2

14.2

14.1

13.8

13.6

13.5

13.4

13.1

12.9

12.9

12.8

12.8

12.8

17.7

17.4

17.1

16.6

16.4

16.1

15.6

15.4

15.2

15.0

14.7

SDir
dg
SDir
dg

199

199

198

198

197

194

194

191

191

203

203

203

198

206

199

199

200

200

201

208

214

211

212

217

215

214

215

219

219

219

220

220

220

221

221

220

220

220

219

218

217

216

216

215

214

214

213

213

213

213

194

194

201

200

200

197

197

200

200

199

200

   

13 Mo 19

13 Mo 22

14 Tu 01

14 Tu 04

14 Tu 07

14 Tu 10

14 Tu 13

14 Tu 16

14 Tu 19

14 Tu 22

15 We 01

15 We 04

15 We 07

15 We 10

15 We 13

15 We 16

15 We 19

15 We 22

16 Th 01

16 Th 04

16 Th 07

16 Th 10

16 Th 13

16 Th 16

16 Th 19

16 Th 22

17 Fr 01

17 Fr 04

17 Fr 07

17 Fr 10

17 Fr 13

17 Fr 16

17 Fr 19

17 Fr 22

18 Sa 01

18 Sa 04

18 Sa 07

18 Sa 10

18 Sa 13

18 Sa 16

18 Sa 19

18 Sa 22

19 Su 01

19 Su 04

19 Su 07

19 Su 10

19 Su 13

19 Su 16

19 Su 19

19 Su 22

20 Mo 01

20 Mo 04

20 Mo 07

20 Mo 10

20 Mo 13

20 Mo 16

20 Mo 19

20 Mo 22

21 Tu 01

21 Tu 04

21 Tu 07

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