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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

Massachusetts

Nantucket Surf

beachtide: mid

1.0Updated 0 min ago

Face

1.2ft

6s period

Swell

WSW

239°

Windonshore

12 mph

SE

Tide

↓0.3 ft

falling

ConditionsBlown out

Blown out

100% wind sea

Swell breakdown

WAVEWATCH III

Wind sea

SSE

3.7ft

5s

not surfable

not surfable

P1 (primary)

SW

1.6ft

6s

56%

P2 (secondary)

WSW

1.4ft

6s

44%

Swell components (ft) · next 48h

Wind speed (mph) · next 48h

Tide (ft) · next 48h

Spot info

Breakbeach

Tide preferencemid

Crowd—

Hazards—

Optimal conditions

SwellSSE 153°

WindNNW offshore

Tidemid

Period10s+

Breakbeach

Nearest buoy

No nearby buoy.

7-day forecast

Time

Rating

Face

Period

Swell

Wind

Tide

Thu, May 14

2am

1.2

6s

WSW239°

15mphonshore

-0.1ft↑

5am

0.9

6s

SSW211°

16mphcross-on

1.2ft↑

8am

0.8

6s

SW226°

15mphcross-on

2.8ft↓

11am

2.4

6s

S184°

22mphcross-on

1.9ft↓

2pm

1.1

6s

S190°

5mphcross

0.2ft↑

5pm

FLAT

0.3

10s

E86°

7mphcross

1.7ft↑

8pm

5.4

7s

SE138°

3mphcross-on

3.6ft↓

11pm

4.9

8s

SE131°

1mphcross

2.8ft

Fri, May 15

2am

5.8

10s

SE130°

4mphoffshore

0.0ft↑

5am

6.0

10s

SE128°

5mphcross

0.5ft↑

8am

6.1

10s

SSE159°

8mphcross-off

2.4ft↑

11am

4.1

9s

SSE163°

10mphoffshore

2.5ft↓

2pm

3.8

9s

SSE161°

9mphoffshore

0.5ft↑

5pm

4.5

9s

SSE165°

9mphoffshore

1.1ft↑

8pm

3.3

9s

SSE167°

7mphoffshore

3.4ft↑

11pm

3.1

9s

S171°

8mphoffshore

3.6ft

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