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Surf Forecasts:

Greenhill surf break

Greenhill surfForecast / Rhode Island / USA

information circle12 Day Weather and Surf, issued 1 am Wednesday 17 Sep 2025 EDT
Forecast update in hr  min  s Forecast update imminent
Greenhill surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Greenhill sea temperature is
20.0° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Greenhill this week:

The surf forecast for Greenhill over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 18) at 8AM. The primary swell is predicted to be 1.0m and 7s period with a secondary swell of 0.3m and 6s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Greenhill in the next 12 days are 1.4m 10s and forecast to arrive on Monday (Sep 22) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Saturday (Sep 20) at 8AM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Thu 18th Sep)3.5ft (1.0m) 7s
Best Surf 8AM (Mon 22nd Sep)3.5ft (1.1m) 10s
Most Powerful 2PM (Mon 22nd Sep)4.5ft (1.4m) 10s

Table - best surf conditions forecast for Greenhill over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 3mm), mostly falling on Wed afternoon. Warm (max 27°C on Fri afternoon, min 15°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Sat afternoon, min 13°C on Sun morning). Wind will be generally light.

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
2
0
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
ESE
1.3
ESE
1.1
SE
0.9
SE
0.8
SE
0.6
SE
0.4
ESE
0.5
SW
0.3
SE
0.2
SSE
0.3
SE
0.3
SE
0.4
SE
0.5
SE
0.6
SSE
1.4
SE
1.4
SE
1.1
SE
0.9
SE
1
SE
1.1
SE
Period(s) (?)7777777699991313121098799
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1601781257159411916138121244789637032116389152176
Wind
(km/h)
20
E
20
E
15
NE
10
NE
10
SW
15
W
10
NW
15
W
20
NNE
20
NE
20
ESE
10
E
20
E
20
ESE
10
ESE
10
E
10
S
5
WNW
5
SW
15
SSW
10
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		offcross-
on		crosscross-
off		crossoffcross-
off		crosscross-
off		cross-
off		crosscrosscross-
off		cross-
on		glassononcross-
on
High Tide
/ height (m)
5:33PM
1.20
5:59AM
1.07
6:25PM
1.21
6:47AM
1.15
7:09PM
1.22
7:29AM
1.21
7:48PM
1.22
8:07AM
1.26
8:25PM
1.20
8:42AM
1.29
8:59PM
1.17
9:17AM
1.30
9:33PM
1.13
Low Tide
/ height (m)
11:05AM
0.24
11:56PM
0.24
12:05PM
0.20
12:41AM
0.20
12:55PM
0.16
1:20AM
0.16
1:39PM
0.13
1:56AM
0.13
2:19PM
0.11
2:29AM
0.12
2:57PM
0.12
3:01AM
0.13
3:34PM
0.14
3:33AM
0.15
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Sunrise6:28--6:28--6:30--6:31--6:31--6:33--6:33--
Sunset-6:52--6:51--6:49--6:46--6:45--6:44--6:42-
clear
light rain
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
part cloud
Rain (mm)
-12------------------
Temp. °C192018192220242722171916161715181918202119
Feels °C (?)161817202521232521121512111211181818212018
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Rhode Island

  1. weather stationWind Update Continuing clean conditions at Greenhill (light winds from the N at Westerly Airport 16 km from Greenhill). 1.2m 7s swell from the ESE to make surfable waves.

    2 hours 31 minutes ago Greenhill
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<
>
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16 km away, 2 h 31 min ago

7 km/h
N
0.0
20.0
Air / Water (°C)
Please reload the page to see if there are any updates.

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.

View detailed surf forecast for Greenhill at:
surf-forecast.com

Information about the Greenhill Surf forecast

The above surf forecast table for Greenhill provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Greenhill can be found by selecting the local surf guide option on the grey menu. Our Greenhill surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Greenhill) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Greenhill may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Greenhill is 15 km (9 miles) from Narragansett Pier. If you plan a vacation in Rhode Island, look for hotels and other accommodation in Narragansett Pier. Narragansett Pier has rooms for a wide range of budgets as well as car hire and transport links.

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