Greenhill Surf Break

Lat Long: 41.36° N 71.61° W

Greenhill 48 hour detailed Surf Forecast

Issued: 1 am 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Greenhill sea temperature is
21.6° C
0.1° 

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 (17 Aug):

  • Morning surf: Morning surf (17 Aug, local time) - 4ft (1.2m), 5s period with S swell.
  • Afternoon surf: Afternoon surf (17 Aug, local time) - 4.5ft (1.4m), 6s period with S swell.
  • Evening surf: Evening surf (17 Aug, local time) - 5ft (1.6m), 7s period with S swell.

The current surf forecast for Greenhill at 5AM is: 1.0m 5s primary swell from a South direction and 0.2m 8s secondary swell from a South-southeast direction (forecast issued at 01:00am August 17). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (17 Aug)4ft (1.2m)5s
Afternoon (17 Aug)4.5ft (1.4m)6s
Evening (17 Aug)5ft (1.6m)7s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Mon morning. Warm (max 26°C on Wed afternoon, min 20°C on Tue night). Wind will be generally light.

Monday
17
Tuesday
18
Wednesday
19
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
1
1
1
1
1
1
0
0
1
1
1
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)
0.8
S
4
1
S
5
1.2
S
5
1.3
S
5
1.3
S
6
1.6
S
7
1.6
S
7
1.4
SSE
7
1.3
SSE
7
1.2
SSE
6
1.1
SSE
7
1
S
7
1
S
7
0.9
SSE
7
0.8
S
7
0.7
SE
8
0.6
SE
8
0.9
SSE
7
0.6
SE
8
0.6
SE
7
0.6
SE
7
0.6
SE
7
0.6
SE
6
0.5
SE
6
Wave Graph
Metric surfscale
Energy kJ
22
44
73
97
119
219
233
175
152
127
114
97
100
84
64
65
50
66
45
44
43
42
33
19
Wind (km/h)
20
S
20
S
25
SSE
25
SSE
20
SSE
20
SE
10
ESE
10
NE
10
NE
10
NNE
10
N
10
N
5
NNE
10
SSW
10
SSW
5
SE
5
ENE
10
ENE
10
NE
5
SE
15
SW
15
SSW
15
SW
15
SW
Wind State
on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-off
off
off
off
cross-off
glassy
on
on
glassy
glassy
cross-off
cross-off
glassy
on
on
on
on
High Tide
11:28PM1.16m
11:56AM1.26m
00:10AM1.06m
12:42PM1.20m
00:55AM0.98m
1:32PM1.14m
Low Tide
5:34AM0.13m
6:13PM0.22m
6:15AM0.20m
7:03PM0.30m
6:59AM0.26m
7:57PM0.37m
light rain
light rain
light rain
light rain
light rain
rain showers
part cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:43
7:40
7:39
 mm
2
3
2
1
1
1
1
Temp °C
20
20
21
21
22
22
22
22
22
22
21
22
25
25
25
22
21
20
20
24
26
26
25
24
Feels °C
19
18
19
20
22
23
25
25
25
25
23
25
29
27
27
25
24
22
22
27
27
26
25
24
  • 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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