Green Harbor surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 am Sunday 26 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
7.1° 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 6AM is: 0.4m 13s primary swell from a Northeast direction and 0.3m 8s secondary swell from a East direction (forecast issued at 01:00am April 26). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (26 Apr)1.5ft (0.4m)13s
Afternoon (26 Apr)1.5ft (0.4m)12s
Evening (26 Apr)1ft (0.3m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 5mm), mostly falling on Tue night. Very mild (max 10°C on Mon morning, min 4°C on Tue morning). Wind will be generally light.

Sunday
26
Monday
27
Tuesday
28
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
2
2
2
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.4
NE
13
0.4
NE
13
0.4
NE
13
0.4
NE
13
0.4
ENE
12
0.4
ENE
12
0.3
ENE
12
0.3
ENE
10
0.3
ENE
12
0.3
ENE
10
0.2
ENE
10
0.2
ENE
9
0.2
ENE
9
0.2
ENE
9
0.2
ENE
9
0.8
E
7
0.9
E
7
1.2
E
7
1.4
ENE
7
1.6
E
8
1.6
E
8
1.7
E
9
1.8
E
9
1.7
E
9
Wave Graph
Metric surfscale
Energy kJ
44
43
42
42
51
49
28
18
27
18
9
8
8
8
8
65
82
159
220
300
341
463
529
463
Wind (km/h)
15
WSW
10
W
0
SSW
10
E
10
ENE
10
ENE
10
ESE
5
E
10
NNE
15
NNE
15
NNE
20
NE
15
NE
20
NE
15
ENE
15
ENE
20
NNE
25
NNE
25
NE
25
NE
25
NE
20
NE
20
NNE
20
NE
cross-on
cross-on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
High Tide
7:54AM2.92m
8:33PM2.81m
8:58AM2.88m
9:30PM2.90m
9:56AM2.85m
10:20PM2.96m
Low Tide
1:33AM0.29m
2:10PM0.11m
2:38AM0.23m
3:08PM0.14m
3:38AM0.17m
4:00PM0.17m
cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:46
5:43
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:35
7:36
7:37
1
1
Temp °C
6
5
6
8
9
9
9
8
8
9
9
10
10
9
7
7
6
5
4
5
5
5
5
5
2
2
4
5
5
5
5
5
4
4
4
5
5
4
2
2
0
-1
-2
-1
-1
-1
0
0
Swell 1
Height (m)
Direction
Period (s)
0.3
ENE
8
0.4
NE
13
0.4
NE
13
0.4
NE
13
0.4
ENE
12
0.4
ENE
12
0.3
ENE
12
0.3
ENE
10
0.3
ENE
12
0.3
ENE
10
0.2
ENE
10
0.2
ENE
9
0.2
ENE
9
0.2
ENE
9
0.2
ESE
7
0.2
ENE
9
0.2
ENE
9
0.1
E
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
S
12
1.8
E
9
1.7
E
9
Energy kJ
11
43
42
42
51
49
28
18
27
18
9
8
8
8
5
7
7
3
5
6
6
3
529
463
Swell 2
Height (m)
Direction
Period (s)
0.4
NE
13
0.3
E
8
0.3
E
7
0.2
E
7
0.1
NE
4
0.1
NE
4
0.1
NE
4
0.2
ENE
12
0.1
S
8
0.1
NE
13
0.1
NE
12
0.1
NE
12
0.1
NE
12
0.1
NE
12
0.2
ENE
9
0.1
NE
12
0.1
E
12
0.1
S
10
Energy kJ
44
10
9
4
1
1
1
14
1
6
6
6
6
6
8
6
3
2
Swell 3
Height (m)
Direction
Period (s)
0.4
NE
5
0.3
NE
5
0.2
ENE
4
0.1
NE
4
0.1
S
6
0.1
S
7
0.1
S
6
0.1
S
8
0.1
S
8
0.1
S
7
0.1
E
12
0.1
NE
12
0.1
NE
12
Energy kJ
6
3
2
1
1
1
1
1
1
1
3
6
6
Wind waves
Height (m)
Direction
Period (s)
0.3
NE
2
0.5
NE
3
0.5
NE
4
0.6
NE
4
0.6
ENE
4
0.6
E
4
0.8
E
7
0.9
E
7
1.2
E
7
1.4
ENE
7
1.6
E
8
1.6
E
8
1.7
E
9
1.1
NE
9
Energy kJ
1
5
6
10
13
14
65
82
159
220
300
341
463
186
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
1
1
2
2
1
1
1
1
1
1
1
2
2
2
Distance (km)
2
2
2
52
551
551
515
106
106
275
106
106
276
1811
106
85
94
0
0
0
0
0
0
0
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
1
1
1
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
2
3
4
3
3
2
2
2
2
2
2
3
2
2
2
3
3
3
2
2
1
2
2
2
Header Global
Rating
(10 max)
7
5
6
7
7
8
9
8
7
6
6
6
6
5
5
5
5
5
5
5
7
7
9
6
  • 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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