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Surf Forecasts:

Green Harbor surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 7 pm Saturday 14 Mar 2026 EDT
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
3.6° C
 (Which is normal for this time of year)

How big are the waves at Green Harbor today?

The current surf forecast for Green Harbor at 1AM is: 0.8m 5s primary swell from a Northwest direction and 0.2m 10s secondary swell from a East direction, 0.1m 7s secondary swell from a East direction (forecast issued at 07:00pm March 14). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (15 Mar)0.5ft (0.1m)10s
Afternoon (15 Mar)1ft (0.3m)4s
Evening (15 Mar)2ft (0.6m)3s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Saturday
14
Sunday
15
Monday
16
Tuesday
17
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 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
WNW
1
WNW
1
NW
0.8
NW
0.2
E
0.1
E
0.4
N
0.3
NNE
0.1
E
0.5
SE
0.7
SE
0.1
E
0.1
E
1.9
SE
1.8
SE
1.3
ESE
1.3
ESE
1.3
ESE
1.2
ESE
1.6
ESE
1.5
ESE
1.2
E
1.1
E
1.1
E
Period(s) (?)44451010441034101067899101010101011
Wave
Graph
(?)Metric surfscale
Energy kJ (?)223740357263251422252279176232260276482442296265274
Wind
(km/h)
35
W
35
W
30
WNW
25
WNW
20
NW
15
NNW
10
NE
15
ESE
20
SSE
15
SSE
20
SE
25
SE
35
SE
45
SSE
35
SSE
40
S
45
S
50
S
55
S
55
SSW
30
WSW
30
WSW
30
W
30
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		crosscrosscross-
off		offcross-
off		crosscrosscrosscrosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		oncross-
on		cross-
on		cross-
on
High Tide
/ height (m)
9:12PM
2.27
9:25AM
2.65
10:00PM
2.39
10:13AM
2.75
10:43PM
2.55
10:58AM
2.85
Low Tide
/ height (m)
2:56PM
0.42
3:05AM
0.58
3:46PM
0.33
3:55AM
0.45
4:30PM
0.23
4:42AM
0.30
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Sunrise-----6:54-------6:52-------6:50--
Sunset6:46-------6:47-------6:49-------
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
clear
cloud
cloud
cloud
light rain
mod rain
light rain
light rain
mod rain
heavy rain
light rain
part cloud
clear
clear
clear
Rain (mm)
-------------17227112----
Temp. °C6310-1-2-112124691014141414148423
Feels °C (?)-4-7-8-8-8-8-6-4-4-5-4-3-203766441-4-7-6
  • 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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