Green Harbor surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 7 pm Monday 13 Apr 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
5.7° C
(Which is slightly warmer than usual)

How big are the waves at Green Harbor today?

The current surf forecast for Green Harbor at 12AM is: 0.4m 9s primary swell from a East-southeast direction and 0.4m 4s secondary swell from a Southwest direction (forecast issued at 07:00pm April 13). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (14 Apr)1ft (0.3m)9s
Afternoon (14 Apr)1ft (0.3m)9s
Evening (14 Apr)0.5ft (0.2m)9s

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


Updates in  hr  min  s Forecast update imminent
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
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
Wave Height (m) & direction (?)
0.4
E
0.5
E
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.3
ESE
0.3
ESE
0.3
E
0.2
E
0.2
E
0.2
E
0.2
E
0.2
E
0.2
E
0.2
ESE
0.2
E
0.2
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.5
S
Period(s) (?)99999999999999998888810103
Wave
Graph
(?)Metric surfscale
Energy kJ (?)274228282929171715666666766111225
Wind
(km/h)
30
SSW
25
SW
20
SW
20
WSW
15
W
10
W
5
NE
15
E
25
S
15
SW
15
SW
10
SW
5
W
10
NE
5
ESE
15
S
15
SW
5
NE
10
WNW
10
NW
10
NE
10
ENE
10
ESE
15
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononononcross-
on
cross-
on
glasscross-
off
cross-
on
onononglassoffcross-
off
cross-
on
onoffcross-
on
crossoffcross-
off
cross-
off
cross-
on
High Tide
/ height (m)
9:18PM
2.55
9:37AM
2.73
10:02PM
2.73
10:25AM
2.83
10:45PM
2.93
11:12AM
2.91
Low Tide
/ height (m)
3:02PM
0.35
3:21AM
0.39
3:48PM
0.26
4:10AM
0.20
4:32PM
0.17
4:58AM
0.00
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Sunrise-----6:03-------6:01-------6:01--
Sunset7:21-------7:22-------7:22-------
cloud
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
light rain
rain showers
clear
clear
clear
clear
part cloud
thunderstorm
rain showers
rain showers
rain showers
cloud
part cloud
part cloud
part cloud
Rain (mm)
---------13-----1171----
Temp. °C141516171616191820161617161317222215151411111522
Feels °C (?)81113151415191516141416171217212115151410101421
  • 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

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.


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