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Surf Forecasts:

Green Harbor surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 pm Monday 09 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
2.2° C
 (Which is 1.3°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 5PM is: 0.4m 9s primary swell from a East direction and 0.1m 8s secondary swell from a Southeast direction, 0.4m 3s secondary swell from a South direction (forecast issued at 01:00pm March 09). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (09 Mar)1.5ft (0.5m)9s
Afternoon (09 Mar)1.5ft (0.4m)9s
Evening (09 Mar)1.5ft (0.4m)8s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Monday
09
Tuesday
10
Wednesday
11
Thursday
12
11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM
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 (?)
0.5
E
0.4
E
0.4
E
0.4
E
0.4
E
0.4
E
0.4
E
0.4
E
0.3
E
0.3
E
0.3
E
0.3
E
0.3
E
0.3
E
0.3
E
0.2
E
0.2
E
0.2
E
0.3
E
0.7
S
0.9
S
0.9
S
0.9
SSW
0.9
SSW
Period(s) (?)999988888888888999844444
Wave
Graph
(?)Metric surfscale
Energy kJ (?)392423232322222212121212111111666121223262822
Wind
(km/h)
15
S
20
SSW
20
SSW
20
SSW
20
SW
15
SW
15
SW
15
SW
20
SSW
25
SW
20
SW
20
SSW
20
SW
15
SW
10
SW
5
WNW
5
NW
10
SSW
10
S
25
SSW
30
SSW
35
SSW
35
SSW
30
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		ononononononononononononglassglassoncross-
on		cross-
on		onononon
High Tide
/ height (m)
4:30PM
2.44
4:46AM
2.66
5:21PM
2.31
5:38AM
2.58
6:18PM
2.21
6:35AM
2.52
Low Tide
/ height (m)
10:17AM
0.23
10:29PM
0.48
11:07AM
0.34
11:19PM
0.59
12:02PM
0.43
12:14AM
0.67
Monday
09
Tuesday
10
Wednesday
11
Thursday
12
Sunrise-------7:03-------7:01-------7:00
Sunset--6:40-------6:42-------6:43-----
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
clear
clear
cloud
cloud
part cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C1214141112121211141617141313131079111110121210
Feels °C (?)7910678871011131091011957864664
  • 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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