Green Harbor surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 pm Saturday 11 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
5.2° 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 7PM is: 0.8m 9s primary swell from a East direction (forecast issued at 01:00pm April 11). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (11 Apr)2.5ft (0.7m)9s
Afternoon (11 Apr)2.5ft (0.8m)9s
Evening (11 Apr)2.5ft (0.8m)9s

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


Updates in  hr  min  s Forecast update imminent
Saturday
11
Sunday
12
Monday
13
Tuesday
14
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 (?)
0.7
E
0.7
E
0.8
E
0.8
E
0.8
E
0.7
E
0.7
E
0.7
E
0.7
E
0.7
E
0.6
E
0.6
E
0.5
E
0.5
E
0.5
E
0.5
E
0.4
E
0.4
E
0.4
E
0.4
ESE
0.4
E
0.4
E
0.4
E
0.3
E
Period(s) (?)999999999999999999999999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)818010410410679797979795959393939392526272827272715
Wind
(km/h)
30
NNW
20
NNW
20
NNW
25
NNW
25
NNW
20
NNW
15
NNW
10
NNW
5
E
15
SE
25
S
25
SSW
20
SSW
25
S
35
SSW
40
SW
30
SW
35
SSW
25
SW
25
SW
20
WSW
20
WSW
15
W
10
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glasscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
onononononononcross-
on
cross-
on
High Tide
/ height (m)
7:35PM
2.29
7:51AM
2.58
8:29PM
2.40
8:45AM
2.65
9:18PM
2.55
Low Tide
/ height (m)
1:17PM
0.47
1:32AM
0.66
2:12PM
0.42
2:29AM
0.55
3:02PM
0.35
3:21AM
0.39
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Sunrise-------6:07-------6:05-------6:03
Sunset--7:17-------7:19-------7:21-----
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
cloud
cloud
cloud
light rain
light rain
cloud
cloud
cloud
light rain
rain showers
clear
clear
clear
cloud
Rain (mm)
-------------11---21----
Temp. °C9121311754358105557101212131415161617
Feels °C (?)26640-2-1-1233-2-1-1-126591012131416
  • 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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