Green Harbor Surf Break

Lat Long: 42.08° N 70.64° W

Issued: 7 am 21 Jun 2026 (local time)

Forecast update in  hr  min

Today's Green Harbor sea temperature is
15.8° C

Normal for this time of year

Green Harbor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Green Harbor today (21 Jun):

  • Morning surf: Morning surf (21 Jun, local time) - 0.5ft (0.1m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (21 Jun, local time) - 1.5ft (0.5m), 4s period with SW swell.
  • Evening surf: Evening surf (21 Jun, local time) - 0.5ft (0.1m), 12s period with E swell.

The current surf forecast for Green Harbor at 1PM is: 0.1m 10s primary swell from a Southeast direction (forecast issued at 07:00am June 21). The wind direction is predicted to be glassy.

Time (EDT) & DateWave HeightWave Period
Morning (21 Jun)0.5ft (0.1m)10s
Afternoon (21 Jun)1.5ft (0.5m)4s
Evening (21 Jun)0.5ft (0.1m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 45mm), heaviest during Tue morning. Warm (max 24°C on Sun afternoon, min 15°C on Mon afternoon). Wind will be generally light.

Sunday
21
Monday
22
Tuesday
23
Wed
24
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
2 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
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.1
E
12
0.1
E
12
0.1
E
12
0.4
SW
4
0.4
SSW
4
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.4
SE
4
0.4
SE
5
0.3
ESE
4
0.3
ESE
4
0.2
ESE
6
0.3
ESE
7
0.2
ESE
7
Wave Graph
Metric surfscale
Energy kJ
4
4
4
4
6
3
3
3
3
3
2
2
2
2
2
2
2
6
5
4
3
4
9
5
Wind (km/h)
15
W
15
W
10
WNW
5
E
10
ESE
5
NNE
10
W
10
W
10
W
5
WNW
0
N
10
WNW
5
NE
25
ESE
25
SE
20
SSE
20
SSW
10
SSW
25
N
20
N
15
N
5
ESE
5
WSW
10
W
Wind State
cross-on
cross-on
cross-on
glassy
cross-off
off
cross-on
cross-on
cross-on
cross-on
glassy
cross-on
glassy
cross-off
cross
cross
cross-on
cross-on
cross-off
cross-off
cross-off
glassy
on
cross-on
High Tide
4:59AM3.03m
5:36PM2.95m
5:59AM2.85m
6:33PM2.93m
7:00AM2.70m
7:29PM2.91m
Low Tide
11:14AM-0.01m
11:44PM0.19m
12:09PM0.14m
00:45AM0.24m
1:04PM0.27m
1:46AM0.26m
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
part cloud
cloud
part cloud
light rain
light rain
mod rain
light rain
light rain
light rain
mod rain
heavy rain
light rain
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:05
5:07
5:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:21
8:22
8:22
8:22
 mm
1
4
8
2
1
2
7
19
1
Temp °C
16
18
23
24
24
23
22
20
19
19
22
19
15
15
16
18
19
19
15
16
17
19
18
18
Feels °C
14
15
21
23
23
22
20
19
18
18
23
18
15
12
13
17
18
21
12
14
16
20
18
18
Swell 1
Height (m)
Direction
Period (s)
0.2
N
4
0.1
SE
10
0.1
SE
10
0.1
SE
8
0.1
E
12
0.1
SE
5
0.1
E
12
0.1
E
12
0.1
SE
7
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
7
0.4
SE
5
0.3
ESE
4
0.3
ESE
4
0.2
ESE
6
0.3
NNE
3
0.2
NNE
3
Energy kJ
1
4
4
3
3
1
3
3
2
2
2
2
2
2
2
1
5
4
3
4
2
1
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
10
0.1
SE
10
0.1
E
12
0.1
E
8
0.1
E
12
0.1
E
11
0.1
S
7
0.1
S
6
0.1
S
6
0.1
E
7
0.1
E
11
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.3
ESE
7
0.2
ESE
7
Energy kJ
4
4
3
1
3
3
1
1
1
1
2
1
1
1
1
9
5
Swell 3
Height (m)
Direction
Period (s)
0.1
E
12
0.1
E
12
0.1
E
12
0.1
S
7
0.1
S
7
0.1
S
7
0.1
SE
6
0.1
E
11
0.1
E
8
0.1
E
7
0.1
E
11
0.1
E
7
0.1
E
7
0.2
E
4
Energy kJ
3
3
3
1
1
1
2
2
1
1
2
1
1
2
Wind waves
Height (m)
Direction
Period (s)
0.4
SW
4
0.4
SSW
4
0.4
SE
3
0.5
SE
4
0.5
SE
4
0.4
SE
4
0.4
N
2
0.4
N
3
0.4
N
4
0.3
N
3
Energy kJ
3
6
2
6
8
6
2
3
4
2
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
1
1
1
Distance (km)
74
102
102
647
205
647
85
156
174
655
3291
2655
1930
3518
565
337
298
124
113
72
72
96
96
52
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
2
1
2
3
3
3
2
2
1
1
2
2
2
3
3
3
1
1
1
2
3
Header Global
Rating
(10 max)
8
8
7
7
7
6
6
5
7
6
6
5
5
5
5
5
5
5
5
5
7
8
9
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
How to use the Wavefinder 

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.


Nearest locationNearest