Green Harbor surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 12 am Monday 23 Feb 2026 EST
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
1.6° C
(Which is 1.9°C colder than average for this time of year)


How big are the waves at Green Harbor today?

The current surf forecast for Green Harbor at 6AM is: 4.5m 9s primary swell from a East-northeast direction (forecast issued at 12:00am February 23). An open ocean swell of 0.1m 11s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EST) & DateWave HeightWave Period
Morning (23 Feb)18ft (5.5m)10s
Afternoon (23 Feb)20ft (6.0m)12s
Evening (23 Feb)20ft (6.0m)12s

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

Updates in  hr  min  s Forecast update imminent
Monday
23
Tuesday
24
Wednesday
25
10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM
Rating
(10 max)
0
0
0
0
0
0
0
!
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.9
ENE
2.5
ENE
4
ENE
5
NE
5.5
NE
6
NE
5.5
NE
6
NE
4
NE
3.5
NE
3
NE
2.3
NE
2
NE
1.4
NNE
1.1
NNE
0.8
NNE
0.6
NE
0.4
ENE
0.4
NE
0.3
ENE
0.8
S
0.7
SSW
0.2
ENE
0.5
SW
Period(s) (?)6781011121212121211101098881010944103
Wave
Graph
(?)Metric surfscale
Energy kJ (?)26363118184653753198418982937741423045196911077843001778438352317171395
Wind
(km/h)
40
ENE
45
ENE
65
NE
70
NE
80
NNE
75
N
60
N
40
NNW
35
NW
35
NW
30
NW
30
WNW
25
NW
25
WNW
20
W
20
W
20
W
15
WSW
15
SW
15
SSE
25
S
25
SW
25
SW
20
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
offoffoffoffcross-
off
cross-
off
cross-
off
crosscrosscrosscrosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
ononon
High Tide
/ height (m)
3:10AM
3.08
3:44PM
2.69
4:05AM
3.05
4:45PM
2.57
5:07AM
3.01
5:51PM
2.49
Low Tide
/ height (m)
8:54PM
0.05
9:33AM
-0.10
9:47PM
0.15
10:32AM
-0.04
10:46PM
0.24
11:36AM
0.01
Monday
23
Tuesday
24
Wednesday
25
Sunrise---6:26-------6:26-------6:24----
Sunset------5:23-------5:25-------5:27-
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
cloud
cloud
cloud
clear
cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
light snow
light snow
cloud
part cloud
Rain (mm)
------------------------
Temp. °C10000-2-3-2-2-3-4-5-4-2-2-5-8-9-9-31112
Feels °C (?)-9-11-14-16-18-19-17-12-12-12-13-13-12-9-9-12-15-15-16-9-6-6-5-4
  • 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

Latest Updates

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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