Green Harbor Surf Break

Lat Long: 42.08° N 70.64° W

Green Harbor 48 hour detailed Surf Forecast

Issued: 1 am 23 Oct 2026 (local time)

Forecast update in  hr  min

Today's Green Harbor sea temperature is
14.0°C
0.5° 

Green Harbor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Green Harbor today (23 Oct):

  • Morning surf: Morning surf (23 Oct, local time) - 8ft (2.5m), 8s period with NE swell.
  • Afternoon surf: Afternoon surf (23 Oct, local time) - 7.5ft (2.3m), 9s period with NE swell.
  • Evening surf: Evening surf (23 Oct, local time) - 6ft (1.9m), 9s period with NE swell.

The current surf forecast for Green Harbor at 6AM is: 2.5m 8s primary swell from a Northeast direction (forecast issued at 01:00am October 23). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (23 Oct)8ft (2.5m)8s
Afternoon (23 Oct)7.5ft (2.3m)9s
Evening (23 Oct)6ft (1.9m)9s

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


Short Range Forecast

Mostly dry. Very mild (max 15°C on Sun afternoon, min 7°C on Sat morning). Winds decreasing (fresh winds from the NNE on Fri morning, calm by Sun morning).

Friday
23
Saturday
24
Sunday
25
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
1
2
2
3
2
1
0
0
1
2
1
1
1
0
0
1
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
NE
8
2.5
NE
8
2.5
NE
8
2.5
NE
9
2.3
NE
9
2.1
NE
9
1.9
NE
9
2
NE
9
1.6
NE
9
1.4
NE
9
1.4
NE
9
1.4
ENE
10
1.4
ENE
11
1.3
ENE
12
1.3
ENE
12
1.3
ENE
13
1.2
ENE
13
1
ENE
13
1
ENE
13
0.9
ENE
12
0.8
ENE
12
0.8
ENE
12
0.7
ENE
12
0.7
ENE
11
Wave Graph
Metric surfscale
Energy kJ
828
878
878
895
828
654
573
635
408
316
309
371
466
421
466
504
444
346
335
233
184
158
119
107
Wind (km/h)
40
NNE
40
NNE
35
NNE
30
NNE
30
NNE
20
NE
20
NE
15
NNE
15
N
15
NNW
5
WNW
10
W
5
WNW
5
E
5
S
5
SSW
10
W
10
WNW
5
WNW
0
WSW
10
SE
15
S
15
SSW
15
SW
Wind State
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross
cross-on
cross
glassy
cross-on
on
cross-on
cross-on
cross-on
glassy
cross
cross-on
on
on
High Tide
9:46AM2.72m
10:08PM2.75m
10:27AM2.89m
10:52PM2.82m
11:07AM3.05m
Low Tide
3:31AM0.33m
3:54PM0.27m
4:13AM0.26m
4:39PM0.09m
4:54AM0.19m
5:24PM-0.08m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
7:03
—
—
—
—
—
—
—
7:05
—
—
—
—
—
—
—
7:05
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
5:49
—
—
—
—
—
—
—
5:46
—
—
—
—
—
—
—
5:45
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
11
9
8
8
8
9
10
10
9
8
7
8
12
13
12
12
12
11
10
11
14
15
13
13
Feels °C
2
0
0
0
0
3
5
5
5
4
4
5
9
10
9
9
9
8
7
9
11
11
8
9
  • 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
How to use the Wavefinder 

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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