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Surf Forecasts:

Green Harbor surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 am Monday 16 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
3.1° C
 (Which is slightly cooler than normal)

How big are the waves at Green Harbor today?

The current surf forecast for Green Harbor at 7AM is: 0.1m 10s primary swell from a East direction and 0.1m 5s secondary swell from a North direction (forecast issued at 01:00am March 16). An open ocean swell of 1.5m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (16 Mar)5ft (1.6m)6s
Afternoon (16 Mar)4ft (1.2m)8s
Evening (16 Mar)3.5ft (1.1m)9s

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
16
Tuesday
17
Wednesday
18
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM
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 (?)
0.7
SE
1
SE
0.1
E
0.1
E
1.7
SE
1.3
ESE
1.1
ESE
1
ESE
1.7
SSE
2.2
SE
1.6
ESE
1.1
ESE
1
E
1
E
1
E
0.9
E
0.9
E
0.8
E
0.7
E
0.7
E
0.6
E
0.6
E
0.6
E
0.6
E
Period(s) (?)4410107789691010101011111111101010101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)13372225518114916218078344324520821622718818814610410074737170
Wind
(km/h)
20
SSE
25
SE
35
SE
40
SSE
40
S
40
S
40
S
40
S
55
S
60
S
35
SW
35
WSW
35
W
25
WSW
30
W
30
WNW
30
WNW
25
W
25
W
20
WNW
20
W
15
NW
5
SSE
20
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		ononcross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crossglasscross-
on
High Tide
/ height (m)
10:00PM
2.39
10:13AM
2.75
10:43PM
2.55
10:58AM
2.85
11:23PM
2.72
11:40AM
2.93
Low Tide
/ height (m)
3:55AM
0.45
4:30PM
0.23
4:42AM
0.30
5:11PM
0.13
5:26AM
0.13
5:51PM
0.04
Monday
16
Tuesday
17
Wednesday
18
Sunrise---6:52-------6:50-------6:50----
Sunset------6:49-------6:50-------6:52-
cloud
part cloud
cloud
light rain
light rain
light rain
light rain
light rain
mod rain
light rain
rain showers
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
cloud
part cloud
clear
cloud
Rain (mm)
---12233914-------------
Temp. °C247101114141414151163552-2-3-3-3-2010
Feels °C (?)-4-3-124887544-3-6-3-4-7-11-11-11-10-9-6-3-7
  • 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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