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Stormy Petrel

Free surf forecasts · No paywall, no ads.

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

Hapuna Beach

beachtide: mid

1.0Updated 0 min ago

Face

0.7ft

14s period

Swell

SSW

195°

Windcross

3 mph

NE

Tide

1.0 ft

slack

ConditionsBlown out

Blown out

82% wind sea

Swell breakdown

WAVEWATCH III

Wind sea

ENE

4.2ft

6s

not surfable

not surfable

P1 (primary)

SSW

0.9ft

14s

87%

P2 (secondary)

Swell components (ft) · next 48h

Spot info

Breakbeach

Tide preferencemid

Crowd—

Hazards—

Optimal conditions

SwellWNW 298°

WindESE offshore

Tidemid

Period10s+

Breakbeach

Nearest buoy

No nearby buoy.

7-day forecast

Time

Rating

Face

Period

Swell

Wind

Tide

Thu, May 14

2am

0.7

13s

S191°

2mphcross

1.0ft↑

5am

0.7

13s

SSW192°

2mphcross

1.2ft↓

8am

0.7

13s

SSW192°

10mphcross-off

0.4ft↓

11am

0.6

13s

SSW192°

12mphcross-off

-0.3ft↑

2pm

0.7

13s

SSW193°

3mphcross

0.8ft↑

5pm

0.7

13s

SSW195°

4mphonshore

2.2ft↓

8pm

0.7

12s

SSW191°

4mphcross

1.8ft↓

11pm

0.7

13s

SSW195°

4mphcross

0.4ft

Fri, May 15

2am

0.6

10s

W279°

5mphcross-off

0.4ft↑

5am

0.5

13s

SSW199°

5mphcross-off

1.0ft↓

8am

0.8

12s

SE129°

3mphcross

0.5ft↓

11am

FLAT

0.5

13s

SSW203°

3mphcross

-0.4ft↑

2pm

0.8

16s

SSW210°

1mphonshore

0.5ft↑

5pm

FLAT

0.5

14s

WSW253°

1mphonshore

2.3ft

8pm

0.8

13s

SSW203°

3mphcross-off

2.3ft↓

11pm

0.7

13s

SSW203°

3mphcross-off

0.7ft

← Back to map More spots in Hawaii

Report incorrect data

N

0.3ft

12s

7%

P3 (tertiary)

SSW

0.2ft

11s

5%

Wind speed (mph) · next 48h

Tide (ft) · next 48h