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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

Kanaha Beach

beachtide: mid

1.0Updated 0 min ago

Face

1.3ft

9s period

Swell

NNW

348°

Windcross

15 mph

ENE

Tide

1.6 ft

slack

ConditionsBlown out

Blown out

77% wind sea

Swell breakdown

WAVEWATCH III

Wind sea

ENE

4.6ft

7s

not surfable

not surfable

P1 (primary)

NNW

1.1ft

9s

86%

P2 (secondary)

NNW

0.5ft

18s

14%

Swell components (ft) · next 48h

Wind speed (mph) · next 48h

Tide (ft) · next 48h

Spot info

Breakbeach

Tide preferencemid

Crowd—

Hazards—

Optimal conditions

SwellNNW 343°

WindSSE offshore

Tidemid

Period10s+

Breakbeach

Nearest buoy

BuoyNDBC 51205

Hs6.6 ft

Tp8s

DirENE

Water77°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

1.3

9s

NNW348°

13mphcross

1.6ft↓

5am

1.4

9s

N349°

14mphcross

1.2ft↓

8am

1.5

9s

N351°

15mphcross

-0.1ft↑

11am

1.5

9s

N353°

16mphcross

-0.1ft↑

2pm

1.7

9s

N357°

19mphcross

1.6ft↑

5pm

2.1

15s

NNW327°

20mphcross

2.3ft↓

8pm

2.2

15s

NNW327°

16mphcross

1.3ft↓

11pm

2.0

14s

NNW327°

16mphcross

0.7ft

Fri, May 15

2am

2.3

14s

NNW327°

12mphcross

1.3ft↓

5am

2.1

14s

NNW327°

12mphcross

1.3ft↓

8am

2.2

13s

NNW327°

11mphcross

-0.1ft↓

11am

2.1

13s

NNW327°

11mphcross

-0.4ft↑

2pm

2.0

13s

NNW327°

15mphcross

1.3ft↑

5pm

1.9

13s

NNW327°

15mphcross

2.6ft↓

8pm

1.8

12s

NNW327°

14mphcross

1.8ft↓

11pm

1.6

12s

NNW327°

14mphcross

0.8ft

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