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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

Coast Guard Beach

beachtide: mid

1.0Updated 0 min ago

Face

0.6ft

11s period

Swell

E

93°

Windcross

11 mph

SSE

Tide

0.2 ft

slack

ConditionsBlown out

Blown out

60% wind sea

Swell breakdown

WAVEWATCH III

Wind sea

SSE

2.0ft

4s

not surfable

not surfable

P1 (primary)

E

0.4ft

11s

52%

P2 (secondary)

E

0.4ft

7s

37%

P3 (tertiary)

ENE

0.2ft

13s

11%

Swell components (ft) · next 48h

Wind speed (mph) · next 48h

Tide (ft) · next 48h

Spot info

Breakbeach

Tide preferencemid

Crowd—

Hazards—

Optimal conditions

SwellENE 68°

WindWSW offshore

Tidemid

Period10s+

Breakbeach

Nearest buoy

BuoyNDBC 44098

Hs3.6 ft

Tp6s

DirSE

Water48°F

Reading5/14/2026, 5:00:00 AM

View NDBC station page →

7-day forecast

Time

Rating

Face

Period

Swell

Wind

Tide

Thu, May 14

2am

0.6

10s

E93°

11mphcross

0.2ft↑

5am

FLAT

0.5

7s

E82°

15mphcross-on

5.4ft↑

8am

FLAT

0.3

10s

ENE77°

17mphcross-on

10.2ft↓

11am

FLAT

0.3

12s

ENE78°

8mphcross-on

5.5ft↓

2pm

FLAT

0.3

12s

ENE78°

10mphonshore

0.5ft↑

5pm

0.9

6s

ENE67°

14mphonshore

5.3ft↑

8pm

0.5

10s

E82°

1mphoffshore

11.4ft↓

11pm

2.8

7s

E98°

7mphonshore

6.9ft

Fri, May 15

2am

2.8

9s

E99°

5mphonshore

-0.0ft↑

5am

3.2

10s

E100°

2mphonshore

2.7ft↑

8am

3.3

10s

E97°

5mphcross

10.1ft↓

11am

3.2

10s

E95°

5mphcross

7.6ft↓

2pm

3.0

10s

E92°

7mphcross

0.9ft↑

5pm

3.4

10s

E82°

5mphcross

3.0ft↑

8pm

3.0

10s

E85°

6mphcross

11.2ft↓

11pm

2.8

10s

E87°

6mphcross-off

9.3ft

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