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Surf Size, Swell Size, Swell Period & Direction, Wind Speed & Direction

 

Half_Moon_Bay
Coordinates: 37.35N -122.5W
Start Time (GMT): 00Z12DEC2025
Local Time Zone: GMT -8
© Stormsurf 2025

Surf Hgt
ft
10
8
6
4
2

5.7

5.6

7.3

7.0

6.7

6.5

6.3

5.9

5.6

5.2

4.9

4.6

4.2

3.9

3.6

3.3

3.0

2.8

2.6

2.5

2.4

2.3

2.1

2.0

2.0

2.0

2.0

1.9

1.9

1.9

1.8

1.8

1.6

1.6

1.4

1.4

2.7

4.9

5.4

5.6

5.7

5.7

5.7

5.5

5.7

5.7

5.4

5.5

5.2

7.2

7.4

7.4

7.1

6.7

6.4

6.6

7.3

7.9

8.3

8.1

7.8

Wind
kts
30
25
20
15
10
5

10

9

9

9

9

8

6

4

4

8

7

6

7

6

3

4

2

4

4

1

6

6

3

5

4

0

5

6

6

6

5

8

7

9

7

8

5

4

3

3

2

2

5

1

3

8

7

7

12

7

9

8

7

6

7

7

7

9

6

4

4

WDir
dg
WDir
dg

NE

NE

ENE

ENE

ENE

ENE

ENE

NNE

NE

E

E

E

E

E

ESE

WSW

SE

E

SE

ESE

ENE

E

ENE

NW

WNW

NE

NE

ENE

ENE

NE

NE

NNW

NNE

N

N

N

N

NNE

N

N

ENE

SW

SSW

SW

NNW

N

NNW

NNW

NNW

N

N

NE

NE

NNE

NW

NW

NW

NNW

NNW

NNW

NNW

   

11 Th 16

11 Th 19

11 Th 22

12 Fr 01

12 Fr 04

12 Fr 07

12 Fr 10

12 Fr 13

12 Fr 16

12 Fr 19

12 Fr 22

13 Sa 01

13 Sa 04

13 Sa 07

13 Sa 10

13 Sa 13

13 Sa 16

13 Sa 19

13 Sa 22

14 Su 01

14 Su 04

14 Su 07

14 Su 10

14 Su 13

14 Su 16

14 Su 19

14 Su 22

15 Mo 01

15 Mo 04

15 Mo 07

15 Mo 10

15 Mo 13

15 Mo 16

15 Mo 19

15 Mo 22

16 Tu 01

16 Tu 04

16 Tu 07

16 Tu 10

16 Tu 13

16 Tu 16

16 Tu 19

16 Tu 22

17 We 01

17 We 04

17 We 07

17 We 10

17 We 13

17 We 16

17 We 19

17 We 22

18 Th 01

18 Th 04

18 Th 07

18 Th 10

18 Th 13

18 Th 16

18 Th 19

18 Th 22

19 Fr 01

19 Fr 04

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

12

10

8

6

4

2

4.4

4.3

4.9

4.8

4.7

4.6

4.5

4.3

4.1

3.9

3.7

3.5

3.3

3.1

2.9

2.7

2.6

2.4

2.3

2.1

2.1

1.9

1.8

1.8

1.8

1.8

1.9

1.9

1.9

1.9

1.9

1.9

1.8

1.8

1.7

1.7

2.6

3.9

4.5

4.7

4.9

4.9

4.9

4.9

5.0

5.1

5.1

4.9

4.7

6.1

6.3

6.2

6.0

5.7

5.5

5.8

6.2

6.6

6.7

6.6

6.5

Swell Per
sec

25

20

15

10

5

13.2

13.2

14.8

14.5

14.4

14.2

14.0

13.7

13.5

13.3

13.2

13.0

12.7

12.5

12.4

12.0

11.7

11.6

11.6

11.9

11.8

11.7

11.6

11.3

11.1

10.8

10.5

10.2

9.8

9.6

9.4

9.1

8.9

8.8

8.5

8.3

10.4

12.4

12.2

11.8

11.7

11.6

11.5

11.3

11.5

11.1

10.5

11.3

11.1

11.8

11.8

11.9

11.8

11.7

11.5

11.4

11.7

12.0

12.3

12.3

12.0

SDir
dg
SDir
dg

296

294

288

287

286

286

287

287

286

286

286

285

285

286

286

285

284

285

285

284

281

281

279

277

275

274

273

273

273

273

273

274

270

270

269

270

279

279

278

277

275

275

274

273

274

275

275

273

272

280

282

282

282

282

281

283

284

285

285

285

285

   

11 Th 16

11 Th 19

11 Th 22

12 Fr 01

12 Fr 04

12 Fr 07

12 Fr 10

12 Fr 13

12 Fr 16

12 Fr 19

12 Fr 22

13 Sa 01

13 Sa 04

13 Sa 07

13 Sa 10

13 Sa 13

13 Sa 16

13 Sa 19

13 Sa 22

14 Su 01

14 Su 04

14 Su 07

14 Su 10

14 Su 13

14 Su 16

14 Su 19

14 Su 22

15 Mo 01

15 Mo 04

15 Mo 07

15 Mo 10

15 Mo 13

15 Mo 16

15 Mo 19

15 Mo 22

16 Tu 01

16 Tu 04

16 Tu 07

16 Tu 10

16 Tu 13

16 Tu 16

16 Tu 19

16 Tu 22

17 We 01

17 We 04

17 We 07

17 We 10

17 We 13

17 We 16

17 We 19

17 We 22

18 Th 01

18 Th 04

18 Th 07

18 Th 10

18 Th 13

18 Th 16

18 Th 19

18 Th 22

19 Fr 01

19 Fr 04

Date/Day/Time (Local - 24 hr)

.
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