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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 8 h · buoys every 3 h

Massachusetts

South Beach State Park

1.0Updated 0 min ago

Face

0.6ft

10s period

Swell

SSE

149°

Windcross-on

18 mph

SW

Tide

↑0.9 ft

rising

ConditionsBlown out

Blown out

90% wind sea

Swell breakdown

WAVEWATCH III

Wind sea

SSW

4.3ft

6s

not surfable

not surfable

P1 (primary)

SSE

0.7ft

10s

100%

Swell components (ft) · next 48h

Wind speed (mph) · next 48h

Tide (ft) · next 48h

Spot info

Break—

Tide preference—

Crowd—

Hazards—

Optimal conditions

SwellS 178°

WindN offshore

Tideany

Period10s+

Break—

Nearest buoy

BuoyNDBC 44085

Hs4.3 ft

Tp6s

DirSW

Water66°F

Reading7/1/2026, 10:30:00 PM

View NDBC station page →

7-day forecast

Time

Rating

Face

Period

Swell

Wind

Tide

Wed, Jul 1

8pm

FLAT

0.5

10s

SSE153°

17mphcross-on

1.7ft

8pm

FLAT

—

5s

SW219°

——mph

—

11pm

FLAT

—

5s

SW219°

——mph

—

11pm

FLAT

0.5

10s

SSE155°

14mphcross-on

3.3ft

Thu, Jul 2

2am

0.5

10s

SSE155°

15mphcross-on

2.9ft

2am

FLAT

—

5s

SW222°

——mph

—

5am

0.5

10s

SSE154°

16mphcross-on

0.7ft

5am

FLAT

—

5s

SW225°

——mph

—

8am

FLAT

0.5

9s

SSE155°

16mphcross-on

0.6ft

8am

FLAT

—

5s

SW222°

——mph

—

11am

0.6

9s

SE146°

17mphcross-on

2.1ft

11am

FLAT

—

5s

SW218°

——mph

—

2pm

FLAT

—

5s

SSW214°

——mph

—

2pm

FLAT

0.5

9s

SSE156°

17mphcross-on

2.5ft↓

5pm

0.5

10s

SSE155°

15mphcross

1.1ft

5pm

FLAT

—

5s

SW214°

——mph

—

8pm

FLAT

—

5s

SW216°

——mph

—

8pm

0.5

10s

SSE155°

19mphcross-on

1.4ft

11pm

FLAT

—

5s

SW215°

——mph

—

11pm

1.7

8s

S174°

14mphcross-on

3.0ft

Fri, Jul 3

2am

FLAT

—

5s

SSW206°

——mph

—

2am

2.8

6s

SSW202°

12mphcross-on

3.2ft

5am

FLAT

—

6s

SSW197°

——mph

—

5am

2.5

6s

SSW201°

7mphcross-on

1.1ft

8am

FLAT

—

6s

SSW194°

——mph

—

8am

2.4

6s

SSW199°

11mphcross-on

0.4ft

11am

FLAT

—

6s

SSW201°

——mph

—

11am

0.6

9s

SSE157°

12mphcross-on

1.8ft↑

2pm

0.6

9s

SSE157°

16mphcross

2.7ft

2pm

FLAT

—

5s

SSW211°

——mph

—

5pm

1.7

7s

S185°

16mphcross

1.4ft

5pm

FLAT

—

5s

SW217°

——mph

—

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