Green Harbor Surf Break

Lat Long: 42.08° N 70.64° W

Issued: 7 pm 28 Jun 2026 (local time)

Forecast update in  hr  min

Today's Green Harbor sea temperature is
16.9° 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 (29 Jun):

  • Afternoon surf: Afternoon surf (29 Jun, local time) - 0.5ft (0.2m), 10s period with E swell.
  • Evening surf: Evening surf (29 Jun, local time) - 0.5ft (0.2m), 10s period with E swell.

The current surf forecast for Green Harbor at 12AM is: 0.2m 10s primary swell from a East direction and 0.1m 6s secondary swell from a Southeast direction (forecast issued at 07:00pm June 28). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (29 Jun)--
Afternoon (29 Jun)0.5ft (0.2m)10s
Evening (29 Jun)0.5ft (0.2m)10s

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 2mm), mostly falling on Tue night. Warm (max 29°C on Tue afternoon, min 19°C on Sun night). Winds decreasing (fresh winds from the SSW on Tue afternoon, light winds from the W by Wed morning).

Sun
28
Monday
29
Tuesday
30
Wed
1
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
5 AM
8 AM
11 AM
2 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
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
E
10
0.2
E
10
0.2
E
10
0.3
E
10
0.3
E
10
0.3
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.7
S
4
0.2
E
10
0.7
SSW
3
0.2
E
10
0.2
E
10
0.2
E
10
0.2
ESE
10
0.2
ESE
10
Wave Graph
Metric surfscale
Energy kJ
8
8
8
19
19
19
8
8
8
8
8
8
8
8
8
8
12
9
10
8
8
8
9
9
Wind (km/h)
15
ESE
15
S
15
SW
15
WSW
15
W
15
N
15
NNE
15
ENE
10
ESE
10
SE
10
SSW
10
SW
10
WSW
15
SW
15
SSW
25
S
30
SSW
30
SW
25
SW
25
SW
20
SW
15
WSW
5
W
20
NE
Wind State
cross-off
cross-on
on
cross-on
cross-on
cross-off
off
off
cross-off
cross
on
on
on
on
cross-on
cross-on
on
on
on
on
on
on
cross-on
off
High Tide
11:28PM2.84m
12:05PM2.42m
00:06AM2.84m
12:42PM2.42m
00:44AM2.85m
1:19PM2.44m
Low Tide
5:09PM0.58m
5:50AM0.25m
5:49PM0.58m
6:29AM0.24m
6:29PM0.56m
7:07AM0.22m
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
cloud
clear
clear
rain showers
clear
thunderstorm
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:09
5:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:22
8:22
8:22
 mm
1
1
Temp °C
20
21
20
19
19
19
19
22
23
22
22
22
21
22
27
29
25
22
20
19
20
22
27
25
Feels °C
19
21
19
18
18
18
18
20
21
20
20
21
20
21
26
25
21
18
16
16
19
23
30
25
Swell 1
Height (m)
Direction
Period (s)
0.2
E
10
0.2
E
10
0.2
E
10
0.3
E
10
0.3
E
10
0.3
E
10
0.2
E
10
0.2
E
10
0.2
NNE
3
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
ESE
10
0.2
ESE
10
Energy kJ
8
8
8
19
19
19
8
8
1
8
8
8
8
8
8
8
8
8
8
8
8
8
9
9
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
6
0.1
SE
6
0.1
SE
6
0.2
S
6
0.2
S
6
0.1
S
6
0.3
NNE
3
0.2
E
10
0.2
NNE
3
0.2
NNE
3
0.1
S
10
0.1
S
10
0.1
SE
5
0.1
SE
5
0.1
SE
5
Energy kJ
2
2
1
3
3
1
2
8
1
1
2
2
1
1
1
Swell 3
Height (m)
Direction
Period (s)
0.1
S
6
0.1
S
6
0.1
E
11
0.1
E
11
0.1
E
11
0.1
S
6
0.1
S
6
0.1
S
6
0.1
S
6
0.1
S
6
0.2
E
10
0.2
SSE
5
0.2
WNW
3
Energy kJ
1
1
2
2
2
1
1
1
1
1
8
3
1
Wind waves
Height (m)
Direction
Period (s)
0.2
S
6
0.2
NNE
2
0.5
S
3
0.7
S
4
0.6
SSW
3
0.7
SSW
3
0.6
SSW
3
0.5
SW
3
0.4
WSW
3
0.2
W
3
0.3
NE
2
Energy kJ
2
1
4
12
9
10
8
5
3
1
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
838
807
649
57
58
58
106
991
1225
85
52
337
151
85
81
1225
649
524
131
131
81
734
543
525
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
1
3
2
4
3
2
3
3
2
2
1
2
2
4
2
1
2
2
2
2
3
2
2
Header Global
Rating
(10 max)
6
9
6
6
7
7
5
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
  • 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 

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