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Surf Forecasts:

Green Harbor surfForecast / Massachusetts / USA

information circle12 Day Weather and Surf, issued 6 am Sunday 11 Jan 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
4.1° C
 (Which is 1.4°C colder than average for this time of year)

Best Forecast Surf Conditions for Green Harbor this week:

The most powerful waves expected at Green Harbor in the next 12 days are 3.0m 8s and forecast to arrive on Friday (Jan 16) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Friday (Jan 16) at 1AM.

Wave TypeTime (EST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful10AM (Fri 16th Jan)10ft (3.0m) 8s

Table - best surf conditions forecast for Green Harbor over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Icy conditions (max 7°C on Tue night, min -3°C on Sun night). Winds increasing (light winds from the NW on Sun morning, strong winds from the W by Sun night).

Days 3-6 Weather Summary Mild at first with light rain (total 3mm) on Thu night followed by colder weather and light fall of snow, heaviest on Fri morning. Icy conditions (max 9°C on Wed morning, min -7°C on Fri night). Winds increasing (calm on Wed night, near gales from the NNE by Fri morning).

Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.7
E
0.6
ENE
1.1
WNW
1.2
WNW
0.4
NNW
0.5
W
0.1
E
0.1
SE
0.5
SSW
0.9
SSW
0.7
SSW
0.2
ESE
0.3
ESE
0.3
ESE
0.5
E
3
NNE
1.8
NE
1.5
NE
0.8
NE
0.6
NE
0.2
E
Period(s) (?)6645539834458898887610
Wave
Graph
(?)Metric surfscale
Energy kJ (?)362840598522530132141339102048230464228
Wind
(km/h)
15
NW
15
W
40
W
35
W
20
WSW
25
WSW
15
WSW
20
SSW
30
SSW
30
SW
15
SSW
10
S
5
SE
15
NNE
40
NE
55
NNE
30
NNW
15
WSW
15
WSW
15
SSW
10
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on		cross-
on		cross-
on		cross-
on		ononononononcross-
on		crossoffoffcross-
off		cross-
off		cross-
on		cross-
on		oncross
High Tide
/ height (m)
5:47PM
2.42
6:11AM
2.68
6:46PM
2.32
7:05AM
2.66
7:44PM
2.27
7:57AM
2.66
8:38PM
2.26
8:46AM
2.68
9:27PM
2.28
9:32AM
2.72
10:10PM
2.31
10:15AM
2.77
10:50PM
2.36
Low Tide
/ height (m)
11:32AM
0.30
11:46PM
0.41
12:30PM
0.34
12:39AM
0.51
1:27PM
0.35
1:33AM
0.56
2:21PM
0.33
2:24AM
0.57
3:10PM
0.29
3:11AM
0.55
3:56PM
0.24
3:55AM
0.52
4:37PM
0.19
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunrise7:09--7:09--7:09--7:07--7:07--7:07--7:07--
Sunset-4:30--4:31--4:32--4:34--4:35--4:36--4:37-
cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
light snow
heavy snow
light snow
part cloud
part cloud
part cloud
mod rain
Rain (mm)
--------------3-----9
Temp. °C4522425579858630-4-4-204
Feels °C (?)00-6-7-3-50-1-233162-7-13-13-9-8-6-2
  • 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

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The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

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Discover more articles and updates in the Greenroom.

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Quick surf report for Green Harbor:

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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.

View detailed surf forecast for Green Harbor at:
surf-forecast.com

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Information about the Green Harbor Surf forecast

The above surf forecast table for Green Harbor provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Green Harbor can be found by selecting the local surf guide option on the grey menu. Our Green Harbor surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Green Harbor) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Green Harbor may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Green Harbor is 5 km (3 miles) from Duxbury. If you plan a vacation in Massachusetts, look for hotels and other accommodation in Duxbury. Duxbury has rooms for a wide range of budgets as well as car hire and transport links.

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