Greenhill Surf Break

Lat Long: 41.36° N 71.61° W

Greenhill 48 hour detailed Surf Forecast

Issued: 1 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Greenhill sea temperature is
20.9° C
0.6° 

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 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 1.5ft (0.4m), 7s period with SE swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 1.5ft (0.4m), 7s period with SE swell.
  • Evening surf: Evening surf (20 Aug, local time) - 1ft (0.3m), 8s period with SE swell.

The current surf forecast for Greenhill at 6AM is: 0.4m 7s primary swell from a Southeast direction and 0.4m 6s secondary swell from a South-southeast direction, 0.2m 3s secondary swell from a South-southwest direction (forecast issued at 01:00am August 20). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (20 Aug)1.5ft (0.4m)7s
Afternoon (20 Aug)1.5ft (0.4m)7s
Evening (20 Aug)1ft (0.3m)8s

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


Short Range Forecast

Heavy rain (total 23mm), heaviest during Sat morning. Warm (max 27°C on Thu afternoon, min 19°C on Thu night). Wind will be generally light.

Thursday
20
Friday
21
Saturday
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)
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
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SE
9
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.3
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.4
S
5
0.5
S
5
0.5
S
5
0.5
S
5
0.8
SSE
5
Wave Graph
Metric surfscale
Energy kJ
20
12
12
11
12
11
11
18
17
17
17
17
17
17
17
17
10
10
10
8
13
13
12
26
Wind (km/h)
10
SW
10
W
10
NNW
5
SW
15
SW
15
WSW
20
NNW
5
NNW
5
NNW
10
NNW
10
NNE
10
ENE
10
SE
15
SE
15
ESE
15
ENE
15
E
15
E
20
ENE
20
NE
10
ENE
10
NE
10
NNE
10
NNE
Wind State
cross-on
cross-on
cross-off
glassy
on
cross-on
cross-off
glassy
glassy
cross-off
off
cross-off
cross
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
High Tide
1:44AM0.91m
2:28PM1.09m
2:42AM0.86m
3:29PM1.06m
3:47AM0.85m
4:31PM1.06m
Low Tide
7:48AM0.32m
8:57PM0.42m
8:45AM0.36m
10:02PM0.43m
9:48AM0.37m
clear
clear
clear
clear
clear
cloud
cloud
light rain
cloud
cloud
cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
light rain
mod rain
light rain
mod rain
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:00
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:38
7:37
7:36
 mm
1
1
8
3
7
Temp °C
23
23
22
26
27
26
22
19
20
20
19
22
24
23
22
21
20
19
19
19
20
20
20
19
Feels °C
24
25
22
27
26
26
19
20
21
20
17
20
22
21
21
20
20
18
18
18
22
22
21
20
  • 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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