Greenhill Surf Break

Lat Long: 41.36° N 71.61° W

Greenhill 48 hour detailed Surf Forecast

Issued: 1 pm 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Greenhill sea temperature is
21.3° 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 (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 1ft (0.3m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 0.5ft (0.2m), 9s period with ESE swell.
  • Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.8m), 6s period with E swell.

The current surf forecast for Greenhill at 8PM is: 0.9m 6s primary swell from a East direction and 0.3m 5s secondary swell from a South direction (forecast issued at 01:00pm August 21). An open ocean swell of 0.7m 5s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (21 Aug)1ft (0.3m)8s
Afternoon (21 Aug)0.5ft (0.2m)9s
Evening (21 Aug)2.5ft (0.8m)6s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Fri afternoon. Warm (max 25°C on Sun afternoon, min 18°C on Fri afternoon). Wind will be generally light.

Fri
21
Saturday
22
Sunday
23
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
SE
8
0.2
ESE
9
0.9
E
6
0.9
E
6
0.8
E
5
0.7
E
5
0.7
E
5
0.2
ESE
8
0.2
ESE
8
0.5
E
5
0.4
E
5
0.2
SSE
9
0.3
SE
7
0.3
SE
7
0.2
SSE
9
0.2
ESE
7
0.3
SE
8
0.6
SSE
4
0.9
SSE
5
0.9
SSE
5
1
SSE
6
Wave Graph
Metric surfscale
Energy kJ
11
7
52
50
36
27
26
7
7
12
8
8
8
8
8
6
10
15
36
46
68
Wind (km/h)
30
NE
30
NE
25
NNE
20
NNE
20
NNE
15
N
20
NNE
15
NNE
15
NNE
10
NE
5
NE
15
NE
10
ENE
10
ENE
15
ENE
15
ENE
15
ENE
15
S
20
SSW
15
SSW
10
WSW
Wind State
off
off
off
off
off
off
off
off
off
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
on
on
on
cross-on
High Tide
3:29PM1.06m
3:47AM0.85m
4:31PM1.06m
4:50AM0.87m
5:27PM1.09m
Low Tide
8:45AM0.36m
10:02PM0.43m
9:48AM0.37m
11:03PM0.42m
10:49AM0.35m
light rain
cloud
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
rain showers
clear
clear
clear
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:37
7:36
7:34
 mm
1
1
1
1
1
Temp °C
19
19
18
18
18
18
18
18
19
19
20
19
18
18
19
19
21
25
25
23
23
Feels °C
16
16
15
16
17
17
17
18
19
20
22
19
18
18
19
19
22
26
25
24
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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