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Surf Forecasts:

Green Harbor surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 12 am Saturday 10 Jan 2026 EST
Forecast update in hr  min  s Forecast update imminent
Green Harbor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Green Harbor sea temperature is
4.3° C
 (Which is 1.2°C colder than average for this time of year)

How big are the waves at Green Harbor today?

The current surf forecast for Green Harbor at 2AM is: 0.6m 4s primary swell from a Southwest direction and 0.3m 6s secondary swell from a Southeast direction, 0.1m 10s secondary swell from a East direction (forecast issued at 12:00am January 10). The wind direction is predicted to be cross-onshore.

Time (EST) & DateWave HeightWave Period
Morning (10 Jan)0.5ft (0.2m)7s
Afternoon (10 Jan)0.5ft (0.1m)9s
Evening (10 Jan)0.5ft (0.1m)9s

Table - waves today at Green Harbor. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
10
Sunday
11
Monday
12
10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
SSW
0.6
SW
0.3
SE
0.2
ESE
0.2
ESE
0.1
E
0.1
E
0.1
E
0.1
E
1
ESE
1
E
0.9
E
0.9
E
0.7
E
0.7
E
0.9
WNW
1
WNW
1
WNW
1.2
WNW
1
WNW
1
WNW
0.8
NW
0.1
E
0.6
NW
Period(s) (?)4466710910105666664445444103
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2885442222062545936342542406339422226
Wind
(km/h)
35
SW
30
W
20
W
15
WNW
10
NW
5
NE
15
ESE
25
SE
25
E
25
ENE
20
N
20
N
15
N
15
NW
15
WNW
30
WNW
25
W
35
W
40
WNW
35
WNW
30
W
30
WNW
25
W
15
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		cross-
on		cross-
on		crossoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
4:24AM
2.78
4:49PM
2.57
5:17AM
2.73
5:47PM
2.42
6:11AM
2.68
6:46PM
2.32
Low Tide
/ height (m)
10:03PM
0.12
10:35AM
0.24
10:54PM
0.28
11:32AM
0.30
11:46PM
0.41
12:30PM
0.34
Saturday
10
Sunday
11
Monday
12
Sunrise----7:09-------7:09-------7:09---
Sunset------4:30-------4:30-------4:31-
light rain
cloud
part cloud
cloud
cloud
cloud
cloud
light rain
mod rain
light rain
light rain
cloud
cloud
light rain
light rain
rain showers
clear
cloud
clear
clear
clear
clear
cloud
cloud
Rain (mm)
1------1751--111--------
Temp. °C10115445443444442211-1-2-2221
Feels °C (?)35-1-101-1-3-4-3-1-100-2-7-7-8-12-11-11-6-5-5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Green Harbor surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Green Harbor at:
surf-forecast.com

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