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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): 18Z04DEC2025
Local Time Zone: GMT -8
© Stormsurf 2025

Surf Hgt
ft
10
8
6
4
2

3.5

3.3

3.1

3.0

2.9

2.8

2.8

3.5

2.0

2.3

2.3

2.2

2.2

2.1

2.2

2.2

2.0

1.9

3.3

4.1

2.0

2.4

2.2

4.3

4.2

3.8

3.6

3.3

3.0

2.1

1.9

1.6

1.4

2.4

2.4

1.7

2.3

2.3

2.1

2.1

2.2

3.6

3.7

4.3

6.5

7.2

7.3

7.2

6.9

7.0

6.9

6.9

6.7

6.5

6.5

3.4

3.6

6.8

8.7

8.5

3.4

Wind
kts
30
25
20
15
10
5

7

5

7

7

7

5

5

5

4

9

10

6

5

4

3

5

6

11

11

9

6

4

5

6

7

11

12

13

11

6

10

7

7

12

11

11

8

8

9

8

10

13

15

17

16

13

11

15

13

17

14

17

15

14

17

11

10

12

14

10

7

WDir
dg
WDir
dg

NE

NNE

NNE

NNE

NNE

NNE

NE

NE

NNE

NW

NW

NNW

NNW

NNW

NNE

ENE

N

NW

NW

NNW

NNW

NNE

NNE

N

NNW

NW

NNW

NNW

NNW

N

NNW

N

NNW

NW

NNW

NNW

NNW

NNW

NNW

NNW

NNW

NNW

NNW

NNW

NNW

NNW

NNW

NNW

NNW

NNW

NNW

NNW

NNW

NNW

NNW

N

NNW

NNW

NNW

N

N

   

04 Th 10

04 Th 13

04 Th 16

04 Th 19

04 Th 22

05 Fr 01

05 Fr 04

05 Fr 07

05 Fr 10

05 Fr 13

05 Fr 16

05 Fr 19

05 Fr 22

06 Sa 01

06 Sa 04

06 Sa 07

06 Sa 10

06 Sa 13

06 Sa 16

06 Sa 19

06 Sa 22

07 Su 01

07 Su 04

07 Su 07

07 Su 10

07 Su 13

07 Su 16

07 Su 19

07 Su 22

08 Mo 01

08 Mo 04

08 Mo 07

08 Mo 10

08 Mo 13

08 Mo 16

08 Mo 19

08 Mo 22

09 Tu 01

09 Tu 04

09 Tu 07

09 Tu 10

09 Tu 13

09 Tu 16

09 Tu 19

09 Tu 22

10 We 01

10 We 04

10 We 07

10 We 10

10 We 13

10 We 16

10 We 19

10 We 22

11 Th 01

11 Th 04

11 Th 07

11 Th 10

11 Th 13

11 Th 16

11 Th 19

11 Th 22

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

12

10

8

6

4

2

2.8

2.6

2.5

2.4

2.4

2.4

2.3

2.9

2.7

3.1

3.1

3.1

3.1

3.1

3.3

3.4

3.1

1.9

2.4

3.0

3.2

3.8

3.5

3.4

3.4

3.2

3.1

2.9

2.7

3.6

3.3

3.0

2.6

2.2

2.2

1.6

3.9

3.8

3.5

3.4

3.6

3.2

3.3

3.7

4.5

5.0

5.1

5.2

5.1

5.2

5.2

5.1

4.9

4.7

4.8

5.2

5.1

5.2

6.8

6.8

4.8

Swell Per
sec

25

20

15

10

5

12.6

12.4

12.3

12.4

12.2

12.0

12.0

11.9

7.6

7.4

7.2

7.0

7.1

6.8

6.5

6.5

6.5

10.4

13.8

13.5

6.1

6.3

6.4

12.5

12.2

11.9

11.7

11.5

11.2

5.8

5.7

5.6

5.4

11.0

10.8

10.6

6.0

6.1

6.0

6.0

6.0

11.1

11.1

11.5

14.3

14.4

14.2

13.9

13.4

13.3

13.2

13.5

13.7

13.8

13.7

6.6

6.9

13.0

12.7

12.5

7.1

SDir
dg
SDir
dg

279

280

280

280

281

280

281

289

300

300

301

299

300

300

300

300

299

279

276

278

301

303

302

284

285

285

285

286

286

305

303

302

300

289

289

285

305

304

302

302

303

293

292

292

290

289

288

288

287

286

286

285

285

284

285

305

304

288

294

294

302

   

04 Th 10

04 Th 13

04 Th 16

04 Th 19

04 Th 22

05 Fr 01

05 Fr 04

05 Fr 07

05 Fr 10

05 Fr 13

05 Fr 16

05 Fr 19

05 Fr 22

06 Sa 01

06 Sa 04

06 Sa 07

06 Sa 10

06 Sa 13

06 Sa 16

06 Sa 19

06 Sa 22

07 Su 01

07 Su 04

07 Su 07

07 Su 10

07 Su 13

07 Su 16

07 Su 19

07 Su 22

08 Mo 01

08 Mo 04

08 Mo 07

08 Mo 10

08 Mo 13

08 Mo 16

08 Mo 19

08 Mo 22

09 Tu 01

09 Tu 04

09 Tu 07

09 Tu 10

09 Tu 13

09 Tu 16

09 Tu 19

09 Tu 22

10 We 01

10 We 04

10 We 07

10 We 10

10 We 13

10 We 16

10 We 19

10 We 22

11 Th 01

11 Th 04

11 Th 07

11 Th 10

11 Th 13

11 Th 16

11 Th 19

11 Th 22

Date/Day/Time (Local - 24 hr)

.
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