Turtle Cove surfForecast / Long Island NY / USA

information circle16 Day Weather and Surf, issued 7 am Saturday 16 May 2026 EDT
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
9.2° C
(Which is 1.8°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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (May 17) at 8AM. The primary swell is predicted to be 1.4m and 6s period with a secondary swell of 1.0m and 8s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Turtle Cove in the next 16 days are 2.4m 8s and forecast to arrive on Saturday (May 23) at 2AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 6s period and expected on Saturday (May 16) at 11PM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Sun 17th May)4.5ft (1.4m) 6s
Best Surf 8AM (Sun 17th May)4.5ft (1.4m) 6s
Most Powerful 2AM (Sat 23rd May)8ft (2.4m) 8s

Table - best surf conditions forecast for Turtle Cove over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 25°C on Sun afternoon, min 14°C on Sat morning). Winds decreasing (strong winds from the SW on Sat night, light winds from the SSE by Mon night).

Days 4-6 Weather Summary

Moderate rain (total 14mm), heaviest on Thu night. Warm (max 22°C on Tue afternoon, min 8°C on Thu afternoon). Mainly fresh winds.

Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
2
0
0
0
0
1
0
0
0
0
0
2
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSE
9
0.6
ESE
9
1.9
SSW
6
1
SSE
8
0.8
SSE
8
0.8
SSE
8
0.7
SSE
8
0.7
SSE
7
0.6
SSE
9
0.6
SE
8
0.6
SE
8
1.7
SSW
6
1.5
SSW
7
1.6
SSW
6
1.5
SSW
6
0.9
SSW
6
1.4
ENE
5
0.9
ENE
5
1.6
E
6
1.8
E
7
2.4
E
8
Wave Graph
Metric surfscale
Energy kJ
108
62
268
122
76
81
51
48
50
45
45
223
186
203
181
68
94
43
170
278
663
Wind (km/h)
20
SW
30
SW
35
SW
15
W
25
SW
10
NE
25
E
15
SE
15
SSW
20
SW
30
SSW
25
SW
25
SW
35
SSW
15
WNW
20
NE
30
ENE
20
ENE
30
ENE
35
ENE
45
ENE
cross-off
cross-off
cross-off
off
cross-off
cross-on
on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-on
cross-on
cross-on
cross-on
on
on
High Tide
8:11PM1.09m
8:46AM0.82m
9:05PM1.11m
9:40AM0.83m
9:59PM1.09m
10:36AM0.82m
10:54PM1.04m
11:34AM0.81m
11:52PM0.97m
12:35PM0.80m
00:51AM0.89m
1:37PM0.80m
1:54AM0.81m
Low Tide
1:28PM-0.11m
2:33AM-0.13m
2:18PM-0.12m
3:25AM-0.13m
3:08PM-0.10m
4:18AM-0.11m
4:02PM-0.06m
5:13AM-0.07m
4:58PM-0.00m
6:12AM-0.02m
6:01PM0.06m
7:14AM0.02m
7:15PM0.11m
clear
clear
part cloud
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
rain showers
cloud
light rain
mod rain
mod rain
mod rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:26
5:26
5:26
5:24
5:24
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:59
8:00
8:00
8:01
8:02
8:02
8:04
2
3
9
6
6
7
Temp °C
16
16
15
21
25
25
15
15
18
20
22
20
19
19
19
15
10
9
8
9
9
13
11
8
19
21
21
9
13
18
18
19
17
16
15
19
12
4
5
1
2
1
Swell 1
Height (m)
Direction
Period (s)
0.9
SSE
9
0.6
SSE
8
0.8
SSE
8
1
SW
7
0.8
SSE
8
0.9
SSW
7
0.7
SSE
8
0.7
SSE
7
0.6
SSE
9
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
9
0.4
SE
9
1.4
SSW
6
0.9
SSW
6
0.7
SSW
6
0.6
S
6
0.4
SSW
6
0.2
SSW
7
0.1
SE
13
Energy kJ
108
55
71
85
73
81
51
48
50
45
45
44
51
29
156
68
40
28
13
4
7
Swell 2
Height (m)
Direction
Period (s)
0.7
ESE
9
0.6
ESE
9
0.4
ESE
9
1
SSE
8
0.8
SSE
8
0.7
SSW
6
0.4
SSW
6
0.1
SE
13
0.1
SE
16
0.1
SE
16
0.1
SE
15
0.1
SE
15
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.1
SE
13
0.1
SE
13
Energy kJ
90
62
30
122
67
34
15
7
10
10
9
8
29
28
29
29
7
7
Swell 3
Height (m)
Direction
Period (s)
0.6
ESE
10
0.2
SSE
10
0.3
ENE
4
0.1
SE
13
0.1
S
16
0.1
E
12
0.1
SE
14
0.1
SE
14
0.1
SE
14
0.1
SE
14
Energy kJ
63
11
3
7
5
3
8
8
8
7
Wind waves
Height (m)
Direction
Period (s)
0.3
SW
2
1
SSW
4
1.9
SSW
6
0.9
SSW
7
0.3
ENE
3
0.6
SSW
6
0.8
SSW
5
1.1
SSW
5
1.7
SSW
6
1.5
SSW
7
1.6
SSW
6
1.5
SSW
6
0.3
ENE
2
1.4
ENE
5
0.9
ENE
5
1.6
E
6
1.8
E
7
2.4
E
8
Energy kJ
1
38
268
76
1
24
28
57
223
186
203
181
1
94
43
170
278
663
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
2
2
Distance (km)
2
153
214
0
58
0
133
657
0
195
211
26
29
265
0
38
45
28
645
2549
648
Best forecast wave conditions in Long Island New York
Rating
(10 max)
1
2
2
1
1
2
1
Best forecast wave conditions in United States
Rating
(10 max)
2
3
4
2
4
4
4
4
4
3
1
4
2
1
2
2
1
2
3
1
4
Header Global
Rating
(10 max)
5
4
6
7
4
5
4
4
4
4
4
4
9
9
9
7
5
4
5
4
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 16 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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