California

Shell Beach (North)

1.0Updated 29 min ago

Swell height

1-2ft

16s period

Swell

SSW

202°

Windoffshore

2 mph

ENE

Tide

3.2 ft

slack

Conditions

Clean

swell mix · 47% wind sea

Swell breakdown

NWPS height + WW3

P1 (primary)

WNW

2.6ft

71%

P2 (secondary)

SSW

1.4ft

16s

20%

P3 (tertiary)

SSW

0.9ft

12s

Swell height (ft) · next 48h

Swell height is a single best estimate; the tile at the top of the page gives its range.

Wind speed (mph) · next 48h

Tide (ft) · next 48h

Spot info

Break—

Tide preference—

Optimal conditions

SwellSW 232°

WindNE offshore

Tide—

Break—

Nearest buoy

BuoyNDBC 46218

Hs5.2 ft

Tp17s

DirSSW

Water69°F

Reading9/17/2026, 1:26:00 PM

View NDBC station page →

7-day forecast

Time

Rating

Swell (ft)

Period

Swell

Wind

Tide

Thu, Sep 17

8am

1.4

16s

SSW202°

2mphcross-off

3.2ft↑

11am

1.4

16s

SSW201°

6mphonshore

3.6ft↑

2pm

1.7

15s

SSW200°

9mphcross

4.6ft↓

5pm

1.8

15s

SSW198°

9mphcross

4.5ft↓

8pm

1.6

12s

WSW255°

2mphcross-off

2.6ft↓

11pm

1.8

15s

SSW197°

3mphoffshore

1.1ft

Fri, Sep 18

2am

1.5

10s

WSW244°

4mphoffshore

1.6ft↑

5am

1.7

15s

SSW195°

2mphcross-off

2.9ft↑

8am

1.6

11s

WSW253°

5mphoffshore

3.5ft↑

11am

1.8

11s

WSW255°

8mphcross-off

3.6ft↑

2pm

2.3

14s

SSW195°

11mphcross

4.2ft↑

5pm

2.3

14s

SSW195°

9mphcross-off

4.6ft↓

8pm

2.3

14s

SSW195°

3mphoffshore

3.4ft↓

11pm

2.3

14s

SSW194°

2mphcross-off

1.4ft

Sat, Sep 19

2am

1.9

10s

WSW245°

8mphcross

1.0ft↑

5am

1.8

10s

WSW244°

8mphcross

2.5ft

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