Green Harbor surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 pm Monday 13 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
5.7° C
(Which is slightly warmer than usual)

How big are the waves at Green Harbor today?

The current surf forecast for Green Harbor at 6PM is: 0.4m 9s primary swell from a East direction and 0.1m 6s secondary swell from a Southeast direction, 0.9m 4s secondary swell from a South-southwest direction (forecast issued at 01:00pm April 13). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (13 Apr)1.5ft (0.5m)9s
Afternoon (13 Apr)3.5ft (1.0m)4s
Evening (13 Apr)1.5ft (0.4m)9s

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


Updates in  hr  min  s Forecast update imminent
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
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 (?)
1
S
1
SSW
0.4
E
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.3
ESE
0.3
ESE
0.3
E
0.2
E
0.2
E
0.2
E
0.2
E
0.2
E
0.2
E
0.2
E
0.6
S
0.5
S
0.5
SW
0.1
E
0.1
E
0.1
E
Period(s) (?)4499999999999999993338810
Wave
Graph
(?)Metric surfscale
Energy kJ (?)33382728282829291717156666866754112
Wind
(km/h)
35
SSW
35
SSW
30
SSW
25
SW
20
SW
15
WSW
15
W
10
W
5
E
15
ESE
25
S
20
SSW
15
SW
15
SW
15
SW
10
SW
5
S
20
SSW
15
SSW
10
NNW
10
WSW
15
SW
10
SW
10
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononononcross-
on
cross-
on
cross-
on
glasscross-
off
cross-
on
onononononcross-
on
ononcross-
off
onononcross-
on
High Tide
/ height (m)
8:45AM
2.65
9:18PM
2.55
9:37AM
2.73
10:02PM
2.73
10:25AM
2.83
10:45PM
2.93
Low Tide
/ height (m)
3:02PM
0.35
3:21AM
0.39
3:48PM
0.26
4:10AM
0.20
4:32PM
0.17
4:58AM
0.00
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Sunrise-------6:03-------6:01-------6:01
Sunset--7:21-------7:22-------7:22-----
cloud
part cloud
cloud
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
light rain
rain showers
clear
clear
clear
part cloud
part cloud
rain showers
rain showers
light rain
light rain
part cloud
part cloud
Rain (mm)
-----------12-----1131--
Temp. °C121517171717161618182016161819182225231715181919
Feels °C (?)5811131415141518151613131718182323221615171919
  • 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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