Green Harbor surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 pm Friday 27 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
3.5° C
(Which is slightly cooler than normal)

How big are the waves at Green Harbor today?

The current surf forecast for Green Harbor at 7PM is: 0.2m 9s primary swell from a East direction and 0.1m 9s secondary swell from a Southeast direction (forecast issued at 01:00pm March 27). An open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (27 Mar)1ft (0.3m)8s
Afternoon (27 Mar)0.5ft (0.2m)10s
Evening (27 Mar)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
Friday
27
Saturday
28
Sunday
29
Monday
30
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
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 (?)
0.3
SE
0.2
E
0.2
ESE
0.1
SE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
E
0.2
E
0.2
E
0.8
NE
0.7
NE
0.6
NE
0.6
ENE
0.4
E
0.4
E
0.2
E
0.4
ENE
0.5
E
0.5
E
0.4
E
0.4
E
0.3
E
0.4
E
Period(s) (?)91091099999865556688887788
Wave
Graph
(?)Metric surfscale
Energy kJ (?)12774889666432723191211522332917171221
Wind
(km/h)
30
NNW
20
N
20
ENE
20
ENE
15
NE
15
N
20
NE
25
NE
20
NNE
10
NE
10
E
10
SSE
20
WNW
20
NW
10
W
15
W
10
WSW
25
SSW
35
SSW
30
SSW
30
SSW
25
SW
25
SW
20
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
offoffoffcross-
off
offoffcross-
off
offcross-
off
cross-
on
cross-
on
crosscross-
on
cross-
on
onononononononon
High Tide
/ height (m)
7:48PM
2.58
8:10AM
2.97
8:54PM
2.66
9:15AM
2.98
9:53PM
2.77
Low Tide
/ height (m)
1:28PM
0.06
1:46AM
0.31
2:33PM
0.06
2:52AM
0.25
3:34PM
0.04
3:53AM
0.16
Friday
27
Saturday
28
Sunday
29
Monday
30
Sunrise-------6:31-------6:31-------6:28
Sunset--7:01-------7:02-------7:04-----
cloud
part cloud
cloud
clear
clear
part cloud
cloud
cloud
light snow
cloud
cloud
part cloud
clear
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
Rain (mm)
------------------------
Temp. °C643221-1-2-3-1-1-110-1-216423455
Feels °C (?)-2-3-4-4-4-5-8-9-10-6-6-6-6-7-7-8-4-2-6-6-5-3-2-1
  • 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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