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Stormy Petrel

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Data sources

NWPS — nearshore wave model
WAVEWATCH III — spectral swell
HRRR — 3 km wind
NDBC — realtime buoys
CO-OPS — tide predictions

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Forecasts refresh every 6 h · buoys hourly

California

Moonstone Beach Humboldt

beachtide: mid

1.5Updated 0 min ago

Face

4.7ft

11s period

Swell

W

278°

Windcross

6 mph

NNE

Tide

-0.3 ft

slack

ConditionsMixed

Mixed

34% wind sea

Swell breakdown

WAVEWATCH III

P1 (primary)

W

5.3ft

11s

97%

P2 (secondary)

SW

0.9ft

14s

3%

P3 (tertiary)

SW

0.4ft

18s

1%

Swell components (ft) · next 48h

Wind speed (mph) · next 48h

Tide (ft) · next 48h

Spot info

Breakbeach

Tide preferencemid

Crowdlight

Hazardsrips, sharks, cold water, current

Optimal conditions

SwellNW 315°

WindE offshore

Tidemid

Period10s+

Breakbeach

Nearest buoy

BuoyNDBC 46244

Hs6.2 ft

Tp12s

DirW

Water56°F

Reading5/14/2026, 4:56:00 AM

View NDBC station page →

7-day forecast

Time

Rating

Face

Period

Swell

Wind

Tide

Thu, May 14

2am

4.7

11s

W278°

5mphcross

-0.3ft

5am

4.7

11s

W279°

6mphcross

-0.3ft↑

8am

4.7

10s

W281°

8mphcross

1.7ft↑

11am

5.0

10s

WNW286°

11mphcross

5.0ft↓

2pm

2.8

11s

W270°

11mphcross

3.8ft↓

5pm

1.5

12s

WSW245°

11mphcross

1.7ft↑

8pm

1.8

11s

W268°

8mphcross

4.2ft↑

11pm

2.3

11s

W269°

3mphcross

7.1ft

Fri, May 15

2am

3.4

10s

WNW294°

5mphcross

4.4ft↓

5am

3.5

9s

WNW287°

8mphcross

-0.5ft↑

8am

3.3

8s

WNW292°

10mphcross

0.0ft↑

11am

2.8

12s

WNW288°

12mphcross

4.4ft↑

2pm

2.9

15s

WNW291°

13mphcross

4.9ft↓

5pm

3.1

15s

WNW292°

13mphcross

2.3ft↑

8pm

3.4

14s

WNW292°

19mphcross

3.6ft↑

11pm

3.9

14s

WNW292°

18mphcross

7.2ft

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