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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

Cannons Kauai

beachtide: low

1.0Updated 0 min ago

Face

2.0ft

8s period

Swell

NNW

341°

Windcross

16 mph

E

Tide

1.1 ft

slack

ConditionsBlown out

Blown out

66% wind sea

Swell breakdown

WAVEWATCH III

Wind sea

ENE

5.3ft

7s

not surfable

not surfable

P1 (primary)

NW

1.9ft

16s

49%

P2 (secondary)

NNW

1.4ft

8s

27%

P3 (tertiary)

NNW

1.3ft

8s

24%

Swell components (ft) · next 48h

Wind speed (mph) · next 48h

Tide (ft) · next 48h

Spot info

Breakbeach

Tide preferencelow

Crowd—

Hazards—

Optimal conditions

SwellNNE 18°

WindSSW offshore

Tidelow

Period10s+

Breakbeach

Nearest buoy

BuoyNDBC 51208

Hs5.9 ft

Tp6s

DirNE

Water76°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

2.1

8s

N0°

16mphcross

1.1ft↓

5am

2.7

15s

NW322°

14mphcross

1.0ft↓

8am

2.6

15s

NW323°

13mphcross

0.1ft↓

11am

3.2

14s

NW323°

17mphcross-on

-0.2ft↑

2pm

3.3

14s

NW323°

17mphcross

1.0ft↑

5pm

3.4

14s

NW323°

17mphcross-on

2.1ft↓

8pm

3.4

13s

NW323°

12mphcross-on

1.6ft↓

11pm

3.4

13s

NW323°

12mphcross-on

0.4ft

Fri, May 15

2am

3.2

13s

NW323°

11mphcross

0.6ft↑

5am

5.4

10s

NNE15°

11mphcross

0.9ft↓

8am

5.3

10s

NNE15°

9mphcross-on

0.1ft↓

11am

2.8

12s

NW323°

9mphcross-on

-0.3ft↑

2pm

2.3

12s

NW323°

10mphcross

0.7ft↑

5pm

3.5

9s

N350°

10mphcross

2.1ft↓

8pm

3.5

7s

NNE14°

9mphcross

2.1ft↓

11pm

2.2

11s

NW323°

9mphcross

0.7ft

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