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Surf Forecasts:

Green Harbor surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 6 pm 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: 1.0m 5s primary swell from a East-southeast direction (forecast issued at 06:00pm January 10). An open ocean swell of 0.5m 6s is not directed at the surf break, a second open ocean swell of 1.0m 5s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EST) & DateWave HeightWave Period
Morning (11 Jan)2.5ft (0.8m)6s
Afternoon (11 Jan)1.5ft (0.5m)6s
Evening (11 Jan)3ft (0.9m)4s

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
Tuesday
13
4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 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 (?)
0.1
E
0.6
SE
0.1
E
1
ESE
1
E
0.9
E
0.8
E
0.7
E
0.5
E
0.9
NW
0.9
WNW
1.1
WNW
1.2
WNW
1.2
WNW
1.2
WNW
1
WNW
0.4
NNW
0.4
WSW
0.4
WSW
0.5
W
0.4
W
0.4
W
0.4
W
0.1
E
Period(s) (?)939566666444555453333339
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2525571614936192124406159594292353322
Wind
(km/h)
10
ESE
20
SE
25
ESE
20
ENE
15
NW
15
NW
10
NW
15
WNW
20
WNW
25
WNW
30
W
35
W
40
WNW
35
W
35
W
30
WNW
20
W
20
SW
25
SW
20
WSW
20
WSW
20
WSW
20
WSW
15
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crosscross-
off		offcrosscrosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		ononononcross-
on		cross-
on		cross-
on
High Tide
/ height (m)
4:49PM
2.57
5:17AM
2.73
5:47PM
2.42
6:11AM
2.68
6:46PM
2.32
7:05AM
2.66
Low Tide
/ height (m)
10:54PM
0.28
11:32AM
0.30
11:46PM
0.41
12:30PM
0.34
12:39AM
0.51
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Sunrise------7:09-------7:09-------7:09-
Sunset4:30-------4:30-------4:31-------
cloud
cloud
light rain
heavy rain
cloud
cloud
cloud
light rain
clear
cloud
clear
cloud
clear
clear
cloud
clear
part cloud
cloud
cloud
clear
clear
clear
clear
clear
Rain (mm)
--412---1----------------
Temp. °C554555445210-2-3-1232121025
Feels °C (?)10-20110-1-2-6-8-10-13-13-11-7-4-4-6-5-6-7-40
  • 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

Latest Updates

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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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