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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 8 h · buoys every 3 h

Florida

Siesta Key

FLATUpdated 0 min ago

Face

0.4ft

4s period

Swell

NW

316°

Windoffshore

3 mph

ENE

Tide

↓0.3 ft

falling

ConditionsBlown out

Blown out

99% wind sea

Swell breakdown

WAVEWATCH III

Wind sea

NNW

0.6ft

2s

not surfable

not surfable

P1 (primary)

NW

0.4ft

4s

67%

P2 (secondary)

SW

0.2ft

5s

19%

P3 (tertiary)

SE

0.2ft

3s

14%

Swell components (ft) · next 48h

Wind speed (mph) · next 48h

Tide (ft) · next 48h

Spot info

Break—

Tide preference—

Crowd—

Hazards—

Optimal conditions

SwellSW 222°

WindNE offshore

Tideany

Period10s+

Break—

Nearest buoy

BuoyNDBC 42039

Hs2.3 ft

Tp—

DirENE

Water—

Reading7/1/2026, 10:40:00 PM

View NDBC station page →

7-day forecast

Time

Rating

Face

Period

Swell

Wind

Tide

Wed, Jul 1

8pm

FLAT

—

3s

ENE70°

——mph

—

8pm

FLAT

0.4

4s

NW310°

3mphoffshore

-0.1ft

11pm

FLAT

—

3s

E84°

——mph

—

11pm

FLAT

0.3

5s

SSW206°

5mphoffshore

0.4ft

Thu, Jul 2

2am

FLAT

—

3s

E87°

——mph

—

2am

FLAT

0.3

5s

SSW206°

6mphoffshore

1.3ft

5am

FLAT

—

3s

E95°

——mph

—

5am

FLAT

0.2

5s

SW224°

7mphoffshore

1.3ft↑

8am

FLAT

0.2

5s

WSW257°

2mphcross

1.5ft

8am

FLAT

—

3s

ESE107°

——mph

—

11am

FLAT

—

2s

SE132°

——mph

—

11am

FLAT

0.4

3s

SE124°

11mphcross-on

2.2ft

2pm

FLAT

—

4s

SSE156°

——mph

—

2pm

FLAT

0.3

3s

SSE149°

4mphcross

2.2ft

5pm

FLAT

—

6s

SSE147°

——mph

—

5pm

FLAT

0.3

7s

SSW201°

9mphcross

1.0ft↓

8pm

FLAT

0.2

6s

SSW202°

4mphcross-off

0.0ft

8pm

FLAT

—

2s

ESE112°

——mph

—

11pm

FLAT

—

2s

ESE109°

——mph

—

11pm

FLAT

0.2

6s

SSW202°

3mphoffshore

0.3ft

Fri, Jul 3

2am

FLAT

—

2s

ESE119°

——mph

—

2am

FLAT

0.2

6s

SSW202°

4mphcross-off

1.2ft

5am

FLAT

—

2s

SE127°

——mph

—

5am

FLAT

0.2

6s

SSW201°

3mphcross-off

1.4ft

8am

FLAT

—

3s

SE140°

——mph

—

8am

FLAT

0.3

2s

ESE123°

1mphonshore

1.2ft↑

11am

FLAT

0.2

4s

S176°

8mphcross-on

1.9ft

11am

FLAT

—

4s

SSE159°

——mph

—

2pm

FLAT

—

5s

S181°

——mph

—

2pm

FLAT

0.2

5s

SSW201°

8mphcross-on

2.2ft↓

5pm

FLAT

0.2

6s

SSW202°

5mphcross-on

1.3ft

5pm

FLAT

—

6s

S186°

——mph

—

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