Turtle Cove surfForecast / Long Island NY / USA

information circle12 Day Weather and Surf, issued 6 am Wednesday 14 Jan 2026 EST
Forecast update in hr  min  s Forecast update imminent
Turtle Cove surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Turtle Cove sea temperature is
4.8° C
(Which is 1.6°C colder than average for this time of year)


Best Forecast Surf Conditions for Turtle Cove this week:

The surf forecast for Turtle Cove over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jan 18) at 10AM. The primary swell is predicted to be 1.5m and 8s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Turtle Cove in the next 12 days are 3.0m 9s and forecast to arrive on Friday (Jan 16) at 7AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 9s period and expected on Friday (Jan 16) at 10AM.

Wave TypeTime (EST) & Date Wave Height & Period
Next good surf (1 star+)10AM (Sun 18th Jan)5ft (1.5m) 8s
Best Surf10AM (Sun 18th Jan)5ft (1.5m) 8s
Most Powerful 7AM (Fri 16th Jan)10ft (3.0m) 9s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Some drizzle, heaviest during Wed night. Icy conditions (max 7°C on Wed morning, min -5°C on Thu night). Winds increasing (light winds from the S on Wed afternoon, near gales from the W by Thu night).

Days 3-6 Weather Summary Mild with light rain (total 3mm) on Sat morning Becoming colder with a light covering of snow, mostly falling on Sun night. Icy conditions (max 7°C on Sat afternoon, min -7°C on Mon night). Winds increasing (light winds from the W on Sun morning, strong winds from the W by Mon night).

Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
1
0
0
1
0
0
2
0
1
0
2
2
2
0
0
0
0
1
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.8
SSW
1.5
SSW
1.8
S
1.7
S
2.5
SSW
2.4
SW
3
SW
2.2
SW
2
SSW
2.1
SSW
2.2
SSW
2.1
SSW
1.5
S
1.4
SSW
0.9
SSW
0.4
SE
0.2
ESE
2.1
SW
1.3
SSW
1
SSW
0.6
SE
Period(s) (?)777888987889887887779
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3252122953378488050671384560666616317270932174321939951
Wind
(km/h)
30
SW
20
SSW
30
S
35
SW
40
W
50
W
55
W
35
WSW
35
SSW
35
SW
35
SW
30
W
20
W
25
WNW
30
WNW
35
W
45
WSW
50
W
30
WNW
25
W
35
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
crosscross-
off
offoffoffoffcross-
off
cross-
off
cross-
off
offoffoffoffoffoffoffoffoffoff
High Tide
/ height (m)
4:58PM
0.48
5:31AM
0.71
5:51PM
0.52
6:14AM
0.74
6:36PM
0.56
6:52AM
0.76
7:15PM
0.61
7:24AM
0.78
7:51PM
0.65
7:54AM
0.79
8:23PM
0.68
8:25AM
0.79
8:56PM
0.71
Low Tide
/ height (m)
10:51AM
0.12
9:59PM
0.12
11:34AM
0.08
10:52PM
0.09
12:12PM
0.03
11:40PM
0.06
12:47PM
-0.02
12:24AM
0.03
1:21PM
-0.05
1:06AM
0.01
1:54PM
-0.08
1:48AM
-0.01
2:27PM
-0.10
2:31AM
-0.02
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Sunrise7:09--7:09--7:09--7:09--7:09--7:07--7:07--
Sunset-4:42--4:43--4:44--4:45--4:45--4:46--4:49-
part cloud
cloud
light rain
part cloud
part cloud
part cloud
clear
clear
cloud
light rain
rain showers
part cloud
part cloud
light snow
snow showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
--1------21----------
Temp. °C77763-1-215475-1-2-4-2-1-1-6-4-4
Feels °C (?)011-2-7-11-14-9-4-3-1-3-8-10-12-14-13-14-15-13-14
  • 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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Information about the Turtle Cove Surf forecast

The above surf forecast table for Turtle Cove provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Turtle Cove can be found by selecting the local surf guide option on the grey menu. Our Turtle Cove 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 (Turtle Cove) 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 Turtle Cove 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.

Turtle Cove is 34 km (21 miles) from Westerly. If you plan a vacation in Long Island New York, look for hotels and other accommodation in Westerly. Westerly has rooms for a wide range of budgets as well as car hire and transport links.

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