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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

Hawaii

Richardson Beach

beachtide: mid

1.0Updated 0 min ago

Face

3.8ft

8s period

Swell

ENE

75°

Windcross-on

8 mph

ENE

Tide

1.7 ft

slack

ConditionsBlown out

Blown out

76% wind sea

Swell breakdown

WAVEWATCH III

P1 (primary)

ENE

5.3ft

8s

92%

P2 (secondary)

NNW

1.5ft

9s

8%

P3 (tertiary)

NW

0.3ft

18s

0%

Swell components (ft) · next 48h

Wind speed (mph) · next 48h

Tide (ft) · next 48h

Spot info

Breakbeach

Tide preferencemid

Crowd—

Hazards—

Optimal conditions

SwellNNE 26°

WindSSW offshore

Tidemid

Period10s+

Breakbeach

Nearest buoy

BuoyNDBC 51206

Hs6.9 ft

Tp9s

DirESE

Water79°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

3.8

8s

ENE75°

5mphcross

1.7ft↓

5am

3.8

8s

ENE75°

1mphcross

1.5ft↓

8am

3.9

8s

ENE73°

2mphcross-off

0.1ft↓

11am

4.0

8s

ENE73°

3mphcross

-0.3ft↑

2pm

3.9

8s

ENE74°

7mphcross

1.4ft↑

5pm

3.9

8s

ENE76°

8mphcross

2.6ft↓

8pm

3.9

8s

ENE77°

5mphcross

1.6ft↓

11pm

3.9

8s

ENE77°

5mphcross

0.5ft

Fri, May 15

2am

3.9

8s

ENE78°

4mphcross

1.1ft↑

5am

3.8

8s

E80°

4mphcross

1.6ft↓

8am

3.7

8s

E79°

7mphcross

0.2ft↓

11am

3.7

8s

E80°

7mphcross

-0.6ft↑

2pm

1.6

13s

NNW329°

10mphcross

1.0ft↑

5pm

1.6

13s

NNW329°

10mphcross

2.8ft↓

8pm

1.5

13s

NNW329°

7mphcross

2.2ft↓

11pm

3.5

8s

E79°

7mphcross

0.7ft

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