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Surf Forecasts:

Green Harbor surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 7 am Tuesday 10 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 3PM is: 0.3m 8s primary swell from a East direction and 0.1m 6s secondary swell from a Southeast direction, 0.4m 3s secondary swell from a South-southwest direction (forecast issued at 07:00am March 10). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (10 Mar)1.5ft (0.4m)8s
Afternoon (10 Mar)1ft (0.3m)8s
Evening (10 Mar)1ft (0.3m)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
Tuesday
10
Wednesday
11
Thursday
12
Fri
13
5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 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 (?)
0.4
E
0.4
E
0.3
E
0.3
E
0.3
E
0.3
E
0.3
E
0.3
E
0.3
ESE
0.2
E
0.2
E
0.6
NNE
0.7
NNE
0.6
NE
0.9
S
1
S
0.9
SSW
0.8
SSW
0.3
SE
0.7
WNW
0.5
WNW
0.7
NW
0.2
E
0.2
E
Period(s) (?)88888888899556444484441010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2222121212121111127617252524342316101271477
Wind
(km/h)
15
SW
15
SW
20
SW
20
SSW
20
SSW
20
SSW
15
SW
15
SW
5
W
5
NNE
5
NW
0
SSE
20
S
30
S
35
SSW
35
SSW
30
SSW
25
WSW
30
WNW
30
WNW
20
WNW
20
WNW
30
NW
30
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononononononononcross-
on		glassglassglasscross-
on		cross-
on		ononononcross-
on		cross-
on		cross-
on		crosscrosscross
High Tide
/ height (m)
4:46AM
2.66
5:21PM
2.31
5:38AM
2.58
6:18PM
2.21
6:35AM
2.52
7:17PM
2.17
Low Tide
/ height (m)
11:07AM
0.34
11:19PM
0.59
12:02PM
0.43
12:14AM
0.67
1:01PM
0.48
1:12AM
0.69
Tuesday
10
Wednesday
11
Thursday
12
Fri
13
Sunrise-7:03-------7:01-------7:00------
Sunset----6:42-------6:43-------6:45---
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
clear
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
Rain (mm)
------------------------
Temp. °C131315171714141412981111121312111173530-1
Feels °C (?)9911121391011118710767657-1-5-2-4-9-10
  • 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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