Green Harbor surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 am 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 5AM is: 0.7m 9s primary swell from a East direction (forecast issued at 01:00am May 26). The wind direction is predicted to be cross-shore.

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

Light rain (total 4mm), mostly falling on Thu afternoon. Warm (max 27°C on Wed afternoon, min 10°C on Thu night). Wind will be generally light.

Tuesday
26
Wednesday
27
Thursday
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
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.7
E
8
0.7
E
9
0.6
E
8
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
0.2
ESE
6
0.1
SE
6
0.1
E
13
0.1
SE
6
0.1
E
8
0.1
E
8
0.1
E
9
0.1
E
9
0.6
ENE
5
0.7
ENE
5
Wave Graph
Metric surfscale
Energy kJ
69
74
52
55
35
21
20
11
10
6
6
5
5
5
4
2
4
2
2
1
3
3
14
24
Wind (km/h)
10
NW
10
NW
5
WNW
0
SSW
10
S
20
SSW
25
SW
20
SW
20
SW
20
SW
20
SW
15
WSW
15
W
10
WNW
10
ENE
15
NNW
15
NNE
15
NNE
15
NNE
15
NE
15
ENE
10
E
10
E
10
NE
cross
cross
cross
glassy
cross-on
on
on
on
on
on
on
on
cross-on
cross
off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
off
High Tide
8:33AM2.74m
9:00PM2.94m
9:31AM2.68m
9:49PM2.96m
10:23AM2.63m
10:34PM2.95m
Low Tide
2:16AM0.23m
2:35PM0.26m
3:15AM0.20m
3:27PM0.33m
4:07AM0.17m
4:14PM0.40m
clear
clear
part cloud
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
clear
part cloud
light rain
rain showers
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
1
1
Temp °C
19
18
18
22
24
25
20
19
18
17
19
25
27
26
21
19
15
14
14
14
14
13
12
11
18
17
17
22
22
21
16
15
14
13
16
23
25
25
20
16
13
11
11
11
11
12
10
9
Swell 1
Height (m)
Direction
Period (s)
0.7
E
8
0.7
E
9
0.6
E
8
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
0.2
ESE
6
0.1
SE
6
0.1
SE
6
0.1
SE
6
0.1
SE
6
0.1
SE
6
0.1
SE
8
0.1
SE
8
0.6
ENE
5
0.7
ENE
5
Energy kJ
69
74
52
55
35
21
20
11
10
6
6
5
5
4
4
2
2
2
2
1
3
3
14
24
Swell 2
Height (m)
Direction
Period (s)
0.1
E
16
0.1
E
15
0.1
E
15
0.1
E
15
0.2
E
6
0.1
E
6
0.3
S
5
0.2
ESE
7
0.1
E
6
0.1
E
6
0.1
E
6
0.2
S
6
0.1
E
8
0.1
E
8
0.1
E
9
0.1
E
9
0.1
E
9
0.1
NE
9
Energy kJ
5
4
4
4
3
1
4
5
1
1
1
3
1
1
2
2
2
3
Swell 3
Height (m)
Direction
Period (s)
0.1
E
16
0.2
SSE
7
0.2
N
3
0.1
E
15
0.1
S
7
0.1
S
8
0.1
E
13
0.1
E
9
0.1
E
9
0.1
E
8
0.1
E
8
Energy kJ
5
5
1
4
1
1
4
2
2
1
1
Wind waves
Height (m)
Direction
Period (s)
0.2
NNW
2
0.4
S
2
0.4
SSW
3
0.4
SW
3
0.4
SW
3
0.4
SW
3
0.4
SW
3
0.2
WSW
2
0.3
NNE
3
0.4
NNE
3
0.4
NNE
4
0.5
NE
4
0.5
NE
4
0.6
ENE
4
Energy kJ
1
2
3
3
2
2
2
1
2
4
5
6
7
11
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)
9
9
1
2
6
43
85
85
85
91
124
131
341
381
87
72
85
109
106
85
208
156
151
156
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
7
8
9
1
7
1
1
4
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
Header Global
Rating
(10 max)
6
9
9
9
5
6
7
6
7
7
9
6
9
6
9
9
9
8
7
9
7
7
6
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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