Green Harbor surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 pm Tuesday 26 May 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
12.2° C
(Which is 1.0°C warmer than normal for this time of year)

How big are the waves at Green Harbor today?

The current surf forecast for Green Harbor at 6PM is: 0.4m 8s primary swell from a East-southeast direction and 0.1m 15s secondary swell from a East direction, 0.3m 2s secondary swell from a South direction (forecast issued at 01:00pm May 26). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (26 May)2ft (0.6m)9s
Afternoon (26 May)1.5ft (0.5m)8s
Evening (26 May)1.5ft (0.4m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Wed night. Warm (max 27°C on Wed afternoon, min 11°C on Thu night). Wind will be generally light.

Tue
26
Wednesday
27
Thursday
28
Fri
29
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
5 AM
8 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 MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.6
E
9
0.5
E
8
0.4
ESE
8
0.4
ESE
8
0.3
ESE
8
0.3
ESE
7
0.2
ESE
8
0.2
ESE
8
0.2
ESE
7
0.2
ESE
7
0.6
SSW
3
0.4
SSW
3
0.1
SE
6
0.3
SE
6
0.3
SE
6
0.1
E
8
0.1
E
8
0.1
E
9
0.5
NE
4
0.4
NE
4
0.2
ENE
9
0.2
ENE
9
0.3
ENE
8
0.3
ENE
8
Wave Graph
Metric surfscale
Energy kJ
55
35
21
20
11
10
6
6
5
4
8
4
2
6
6
2
1
3
7
4
8
8
14
14
Wind (km/h)
0
NNE
5
SE
15
S
25
SW
20
SW
20
SW
20
SW
20
SW
20
WSW
20
SW
20
SW
10
NNW
15
NNW
20
N
10
N
10
NNW
20
NNE
10
NNE
10
NNE
5
NE
5
N
5
NNW
0
W
0
SE
glassy
glassy
cross-on
on
on
on
on
on
on
on
on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
glassy
glassy
glassy
High Tide
8:33AM2.74m
9:00PM2.94m
9:31AM2.68m
9:49PM2.96m
10:23AM2.63m
10:34PM2.95m
Low Tide
2:35PM0.26m
3:15AM0.20m
3:27PM0.33m
4:07AM0.17m
4:14PM0.40m
4:53AM0.16m
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
rain showers
cloud
cloud
clear
clear
cloud
clear
cloud
clear
clear
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:11
5:11
5:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:06
8:07
8:07
8:08
1
Temp °C
21
23
25
20
19
18
18
19
24
27
26
21
19
17
15
16
16
15
15
15
13
12
11
12
21
22
22
16
15
14
14
16
22
25
24
21
17
13
13
14
12
13
13
14
11
11
10
11
Swell 1
Height (m)
Direction
Period (s)
0.6
E
9
0.5
E
8
0.4
ESE
8
0.4
ESE
8
0.3
ESE
8
0.3
ESE
7
0.2
ESE
8
0.2
ESE
8
0.2
ESE
7
0.2
ESE
7
0.2
ESE
7
0.1
SE
6
0.1
SE
6
0.1
SE
6
0.1
SE
6
0.1
SE
6
0.1
SE
8
0.5
NE
4
0.4
NE
4
0.3
NE
4
0.3
NE
4
0.3
NE
4
0.3
NE
4
Energy kJ
55
35
21
20
11
10
6
6
5
4
4
2
2
2
2
1
3
7
4
2
3
3
3
Swell 2
Height (m)
Direction
Period (s)
0.1
E
15
0.1
E
15
0.1
E
15
0.1
E
15
0.2
E
6
0.2
E
6
0.1
E
14
0.1
SE
6
0.3
SE
6
0.3
SE
6
0.1
E
8
0.1
E
8
0.1
E
9
0.1
SE
8
0.1
NE
9
0.2
ENE
9
0.2
ENE
9
0.3
ENE
8
0.3
ENE
8
Energy kJ
4
4
4
4
3
3
4
2
6
6
1
1
2
3
3
8
8
14
14
Swell 3
Height (m)
Direction
Period (s)
0.1
E
14
0.1
S
9
0.1
SE
6
0.1
E
9
0.1
E
10
0.1
SE
8
0.1
SE
8
0.1
SE
8
0.1
SE
8
0.1
SE
8
Energy kJ
4
2
2
2
2
3
3
3
3
3
Wind waves
Height (m)
Direction
Period (s)
0.3
S
2
0.4
SSW
3
0.4
SW
3
0.4
SW
3
0.4
SW
3
0.4
SW
3
0.3
SW
2
0.4
SW
3
0.6
SSW
3
0.4
SSW
3
0.4
NNE
3
0.4
NNE
4
0.4
NNE
4
0.4
NNE
4
0.6
NE
4
0.4
NNE
4
Energy kJ
1
3
3
2
2
2
1
2
8
4
4
5
5
5
12
6
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)
2
6
152
91
85
85
91
131
131
91
341
132
72
131
208
106
106
85
151
163
163
174
174
174
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
1
7
3
1
4
1
1
1
1
1
1
2
1
1
1
2
2
1
1
1
2
3
3
1
Header Global
Rating
(10 max)
9
5
6
7
7
9
7
9
9
6
6
6
9
9
9
9
9
7
7
6
6
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

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