Swell Intel

Green Harbor Surf Forecast, Massachusetts

Massachusetts

Rexhame1-2ftScituate0-1ftPlymouth Beach1-2ft
Green Harbor surf spot

Current Conditions

Very Poor
Wave Height
0-1ft
flat to ankle high
Swell Period
4.45s
Wind
4mph
ESE / Gusts 7mph
Conditions
Very Poor
Active Swells
Primary
1.4ft @ 4sNNE
Secondary
0.6ft @ 5sNE
Tertiary
0.3ft @ 6sESE
Wind Swell
0.5ft @ 3sS

Nearest Webcam

Daily Forecast

3 of 5 days
Tue, Mar 310-1ft
Very Poor
6am9am12pm3pm
Wed, Apr 10-1ft
Very Poor

Slim pickings today — 0-1ft and very poor with 8mph from the S.

6am9am12pm3pm
5s NE|8-10mph SW
Thu, Apr 22-3ft
Poor

Skip the dawn patrol — 1-2ft and poor early on. Afternoon shapes up better with 2-3ft and poor - fair conditions.

6am9am12pm3pm
5s ENE|13-15mph NE
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Sat

Forecast Charts

Green Harbor Surf Spot Guide

Break
Beach
Bottom
Sand
Level
Beginner
Crowd
Light
Best Swell
E
Best Wind
W
Season
Fall

Green Harbor is a sheltered beach break on the South Shore of Massachusetts that picks up Atlantic swell and nor'easter energy, offering forgiving sandy bottom conditions ideal for learning surfers. The bay-facing orientation provides protection from the strongest winter storms while still capturing quality autumn and early winter swells. With consistent sandbars and mellow wave formations, this is a welcoming spot for beginners looking to progress in a relaxed, less-crowded environment.

Strong currents during storm swellsSeasonal sandbars shifting

Wave heights shown are breaking wave heights — the actual rideable wave size at this spot.

Green Harbor Surf Forecast FAQ

What is the current surf forecast for Green Harbor?
The current wave height at Green Harbor is 0-1ft with a 4.45s swell period. Wind is ESE at 4mph. Conditions are rated Very Poor.
How accurate is the Green Harbor surf forecast?
Our Green Harbor forecast uses NOAA GFS and other weather models combined with spot-specific bathymetry to calculate breaking wave heights. Short-range (1-3 day) forecasts are most reliable. Extended forecasts show general trends.
What is the breaking wave height at Green Harbor?
The current breaking wave height at Green Harbor is 0-1ft, produced by a 1.4ft NNE primary swell at 4s, a 0.6ft NE secondary swell at 5s, a 0.3ft ESE tertiary swell at 6s, a 0.5ft S wind swell swell at 3s. Breaking wave height is the actual rideable wave size at the shore — calculated from offshore swell data using this spot's coastal bathymetry — not the raw buoy reading.
When is the best time to surf Green Harbor?
Based on the current 5-day forecast, the best window to surf Green Harbor is Thursday from 11 AM to 2 PM with 3ft waves, a 5.25s swell period, and conditions rated Poor - Fair. Check the hourly forecast for updates as conditions can shift.