Greenhill Surf Break

Lat Long: 41.36° N 71.61° W

Issued: 7 am 18 Jun 2026 (local time)

Forecast update in  hr  min

Today's Greenhill sea temperature is
16.3° C

Slightly cooler than normal

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 (18 Jun):

  • Morning surf: Morning surf (18 Jun, local time) - 4.5ft (1.3m), 6s period with S swell.
  • Afternoon surf: Afternoon surf (18 Jun, local time) - 6.5ft (2.0m), 6s period with S swell.
  • Evening surf: Evening surf (18 Jun, local time) - 8ft (2.4m), 7s period with SSW swell.

The current surf forecast for Greenhill at 11AM is: 1.6m 6s primary swell from a South direction and 0.1m 14s secondary swell from a Southeast direction, 0.1m 8s secondary swell from a East direction (forecast issued at 07:00am June 18). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (18 Jun)4.5ft (1.3m)6s
Afternoon (18 Jun)6.5ft (2.0m)6s
Evening (18 Jun)8ft (2.4m)7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 24°C on Thu night, min 15°C on Sat night). Winds decreasing (fresh winds from the S on Thu afternoon, light winds from the W by Fri night).

Thursday
18
Friday
19
Saturday
20
Sun
21
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
2 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
1
1
0
Swell
Height Map
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
S
7
1.2
S
7
1.6
S
6
2
S
6
2.4
SSW
7
2.4
SSW
7
2.5
SSW
8
2
SSW
8
1.6
SSW
8
1.5
SSW
7
1.4
SSW
7
1.7
SSW
8
2
SSW
8
1.9
SSW
8
1.8
SSW
8
1.4
SSW
8
1.3
SSW
8
1.3
SSW
8
1.2
SW
7
1.1
SW
7
1.2
SSW
7
1.5
SSW
6
1.1
SSW
7
1
SSW
7
Wave Graph
Metric surfscale
Energy kJ
74
124
181
332
517
621
691
449
300
228
199
310
487
480
444
250
212
198
160
122
138
181
125
114
Wind (km/h)
20
S
25
S
30
S
40
S
35
SW
30
SW
25
WSW
20
WNW
25
W
25
W
25
W
30
WSW
25
WSW
20
WSW
15
W
25
W
30
WNW
25
W
25
W
25
W
15
W
20
NW
15
NW
15
WNW
Wind State
cross-on
cross-on
cross-on
on
on
on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross
cross-off
cross-off
cross
High Tide
11:15AM1.18m
11:42PM1.35m
12:14PM1.17m
00:38AM1.25m
1:13PM1.17m
1:33AM1.15m
Low Tide
5:12AM0.07m
5:19PM0.09m
6:05AM0.10m
6:20PM0.15m
6:58AM0.14m
7:23PM0.22m
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
cloud
cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:11
5:11
5:11
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:22
8:22
8:22
 mm
Temp °C
18
19
20
21
23
21
24
22
19
19
21
23
24
21
20
19
17
18
21
23
23
22
18
16
Feels °C
16
17
17
16
19
19
21
19
15
15
17
17
20
18
18
15
12
13
16
18
20
19
16
13
Swell 1
Height (m)
Direction
Period (s)
0.1
S
15
0.1
S
15
0.1
SE
14
0.1
SE
14
0.1
SE
14
0.1
SE
14
0.1
SE
14
2
SSW
8
1.6
SSW
8
1.5
SSW
7
0.1
S
13
0.1
S
13
0.1
SE
13
0.1
SE
13
1.6
SSW
8
1.4
SSW
8
1.3
SSW
8
0.1
SE
13
1.2
SW
7
0.1
SE
13
0.1
SE
13
1.2
SSW
7
1.1
SSW
7
1
SSW
7
Energy kJ
4
4
8
8
8
8
8
449
300
228
4
4
7
7
322
250
212
7
160
7
6
124
125
114
Swell 2
Height (m)
Direction
Period (s)
0.1
E
6
0.1
SE
15
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
SE
14
0.1
SE
14
0.1
S
14
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
12
0.1
SE
12
0.1
SE
12
Energy kJ
1
8
1
1
1
1
8
8
4
7
7
7
7
7
7
7
6
6
6
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
14
Energy kJ
8
Wind waves
Height (m)
Direction
Period (s)
0.9
S
7
1.2
S
7
1.6
S
6
2
S
6
2.4
SSW
7
2.4
SSW
7
2.5
SSW
8
1.2
SW
7
0.7
WNW
4
1.4
SSW
7
1.7
SSW
8
2
SSW
8
1.9
SSW
8
1.8
SSW
8
0.6
W
4
1.3
SSW
8
0.2
NNW
3
1.1
SW
7
1.2
SSW
7
1.5
SSW
6
0.4
NW
3
0.4
NW
3
Energy kJ
74
124
181
332
517
621
691
156
16
199
310
487
480
444
9
198
1
122
138
181
2
2
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
2
2
1
1
1
2
2
2
1
1
1
1
1
1
2
1
1
Distance (km)
632
12
3387
1559
437
115
115
11
11
11
11
150
227
11
7
11
15
238
11
230
11
11
0
11
Best forecast wave conditions in Rhode Island
Rating
(10 max)
1
2
2
1
1
2
3
2
1
1
1
2
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
3
1
3
2
3
3
4
3
2
2
2
3
3
4
4
3
1
1
3
2
3
Header Global
Rating
(10 max)
9
9
5
5
5
5
5
6
6
7
5
4
7
6
5
5
4
5
5
5
5
9
9
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
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