Greenhill Surf Break

Lat Long: 41.36° N 71.61° W

Greenhill 48 hour detailed Surf Forecast

Issued: 1 am 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Greenhill sea temperature is
19.8° C
1.3° 

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


How big are the waves at Greenhill today (20 Jul):

  • Morning surf: Morning surf (20 Jul, local time) - 2.5ft (0.8m), 8s period with SSW swell.
  • Afternoon surf: Afternoon surf (20 Jul, local time) - 2.5ft (0.7m), 7s period with S swell.
  • Evening surf: Evening surf (20 Jul, local time) - 2.5ft (0.7m), 7s period with S swell.

The current surf forecast for Greenhill at 9AM is: 0.8m 8s primary swell from a South-southwest direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 01:00am July 20). The wind direction is predicted to be glassy.

Time (EDT) & DateWave HeightWave Period
Morning (20 Jul)2.5ft (0.8m)8s
Afternoon (20 Jul)2.5ft (0.7m)7s
Evening (20 Jul)2.5ft (0.7m)7s

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


Short Range Forecast

Heavy rain (total 21mm), heaviest during Tue night. Warm (max 24°C on Wed morning, min 17°C on Wed night). Winds increasing (calm on Mon morning, fresh winds from the SSW by Tue night).

Monday
20
Tuesday
21
Wednesday
22
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)
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
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)
0.9
SSW
8
0.8
SSW
8
0.8
SSW
8
0.8
S
8
0.7
S
7
0.7
S
7
0.7
S
7
0.7
S
7
0.8
S
7
0.8
S
7
0.6
S
7
0.5
S
7
0.5
S
7
1
S
5
1.2
S
6
1.4
S
6
1.5
S
6
1.8
SSW
7
1.9
SSW
8
2.3
SSW
9
1.9
S
9
2.3
SSW
8
2.5
SSW
8
3
SSW
9
Wave Graph
Metric surfscale
Energy kJ
94
77
77
74
54
52
49
48
62
62
35
24
23
57
94
148
186
290
427
795
537
671
851
1487
Wind (km/h)
15
N
5
NNW
5
NNW
5
S
15
SSW
20
SSW
15
SSW
15
S
10
S
15
S
15
SSE
20
SE
25
SE
25
SE
25
SSE
30
SSW
25
SW
20
WSW
15
SSW
20
SW
25
SSW
25
SSW
15
SSW
10
W
Wind State
cross-off
cross-off
cross-off
glassy
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
on
on
cross-on
on
on
on
on
on
cross
High Tide
00:53AM1.11m
1:29PM1.20m
1:42AM1.02m
2:21PM1.16m
2:33AM0.95m
3:15PM1.13m
Low Tide
7:04AM0.18m
7:46PM0.28m
7:50AM0.23m
8:43PM0.34m
8:38AM0.28m
9:41PM0.38m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
rain showers
light rain
mod rain
rain showers
part cloud
cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:30
5:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:15
8:14
8:13
 mm
1
3
10
3
1
1
1
1
Temp °C
19
18
19
22
23
22
21
20
20
20
21
22
23
22
22
22
22
21
22
24
24
24
23
21
Feels °C
17
17
18
21
19
18
19
19
20
20
20
20
21
21
22
21
21
21
23
24
24
23
24
23
  • 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 Greenhill 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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