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Surf Forecasts:

Green Harbor surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 6 am Thursday 15 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 1.1°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 12PM is: 0.3m 9s primary swell from a East-southeast direction and 0.2m 5s secondary swell from a East-southeast direction, 0.5m 3s secondary swell from a South-southwest direction (forecast issued at 06:00am January 15). The wind direction is predicted to be onshore.

Time (EST) & DateWave HeightWave Period
Morning (15 Jan)0.5ft (0.2m)9s
Afternoon (15 Jan)1ft (0.3m)9s
Evening (15 Jan)1.5ft (0.4m)9s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thursday
15
Friday
16
Saturday
17
Sun
18
4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 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
See all maps
Wave Height (m) & direction (?)
0.4
SE
0.4
SE
0.2
ESE
0.3
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
1
WNW
0.4
ESE
0.4
E
0.4
E
0.3
E
0.4
E
0.4
E
0.4
E
0.4
E
0.4
E
0.4
E
0.4
E
0.4
ESE
0.3
E
Period(s) (?)5599999899499912121211111110101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)968162526252434293829272726444241393734313016
Wind
(km/h)
20
S
15
SSW
20
SSW
25
SW
30
SSW
30
WSW
25
W
25
W
30
W
35
W
40
W
35
W
30
W
20
WSW
20
SW
20
SW
15
SSW
20
SW
25
SSW
20
SSW
25
SW
30
WSW
20
WSW
15
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		onononcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		onononcross-
on		ononononcross-
on		cross-
on		on
High Tide
/ height (m)
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)
2:24AM
0.57
3:10PM
0.29
3:11AM
0.55
3:56PM
0.24
3:55AM
0.52
4:37PM
0.19
Thursday
15
Friday
16
Saturday
17
Sun
18
Sunrise--7:07-------7:07-------7:07-----
Sunset----4:35-------4:36-------4:37---
cloud
cloud
clear
clear
part cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
part cloud
clear
cloud
cloud
cloud
cloud
light rain
light rain
part cloud
cloud
cloud
Rain (mm)
-------------------13---
Temp. °C6789630-2-4-5-4-10-1-1033332311
Feels °C (?)1332-2-5-8-10-13-16-15-12-9-8-9-7-3-3-4-3-4-5-5-4
  • 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

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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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