Flies surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 1 pm Thursday 21 May 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Flies surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Flies sea temperature is
13.0° C
(Which is slightly warmer than usual)

How big are the waves at Flies today?

The current surf forecast for Flies at 4PM is: 0.7m 6s primary swell from a South direction and 0.4m 9s secondary swell from a Southeast direction, 0.4m 4s secondary swell from a East-northeast direction (forecast issued at 01:00pm May 21). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (21 May)2.5ft (0.8m)6s
Afternoon (21 May)2.5ft (0.7m)6s
Evening (21 May)2ft (0.6m)6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 35mm), heaviest during Sun morning. Very mild (max 15°C on Thu afternoon, min 7°C on Sat afternoon). Winds increasing (light winds from the SSE on Thu night, near gales from the E by Sun morning).

Thu
21
Friday
22
Saturday
23
Sun
24
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
5 AM
8 AM
Rating
(10 max)
0
0
0
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 MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.8
S
6
0.7
S
6
0.7
S
6
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
1
E
4
1.2
ESE
5
1.3
ESE
6
1.2
ESE
6
1.2
ESE
6
0.8
SE
6
1
ESE
6
1
ESE
6
1.2
ESE
5
1.4
ESE
6
1.7
ESE
6
2
SE
7
2.3
SE
8
2.3
SE
8
2.5
SE
9
3
SE
8
Wave Graph
Metric surfscale
Energy kJ
49
38
37
28
27
28
29
29
40
78
108
90
87
51
64
68
64
122
0
407
620
760
1011
1132
Wind (km/h)
25
NNE
15
NE
10
ESE
5
SSE
5
SE
15
ENE
15
ENE
25
NE
30
ENE
25
E
25
ESE
25
ESE
20
ESE
20
E
20
ENE
25
E
30
E
30
ESE
30
E
35
E
40
E
45
E
45
E
50
E
cross-off
cross-off
on
cross-on
on
cross
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
12:13PM0.94m
00:33AM1.09m
1:13PM0.92m
1:33AM1.01m
2:15PM0.92m
2:34AM0.95m
Low Tide
5:35PM0.11m
6:33AM0.07m
6:41PM0.17m
7:37AM0.11m
7:56PM0.20m
part cloud
cloud
light rain
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:26
5:26
5:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:05
8:06
8:07
8:07
1
1
3
3
5
3
3
5
7
Temp °C
16
15
13
13
13
12
12
12
12
13
12
12
11
11
11
11
9
7
8
8
9
10
10
9
11
11
11
12
12
9
8
6
5
7
6
6
6
6
6
5
2
0
1
1
1
2
1
-1
Swell 1
Height (m)
Direction
Period (s)
0.8
S
6
0.7
S
6
0.7
S
6
0.6
S
6
0.6
S
6
0.5
S
6
0.5
S
6
0.4
S
6
0.4
SE
9
0.3
SE
9
0.2
ESE
10
0.3
SE
10
0.3
SE
10
0.8
SE
6
0.2
ESE
10
0.2
ESE
10
0.1
SE
10
0.1
S
6
Energy kJ
49
38
37
27
26
18
16
10
21
13
10
15
15
51
10
10
4
1
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
E
4
0.4
E
4
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.3
SSE
6
0.1
SE
14
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.2
ESE
10
0.1
SE
14
0.1
SE
14
0.1
S
6
0.1
SE
13
Energy kJ
28
28
28
6
6
28
29
29
8
7
7
7
7
9
7
7
1
7
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
14
0.1
SE
14
0.1
SE
14
0.4
SE
9
0.4
SE
9
0.1
SE
14
0.1
SE
14
0.1
SE
13
0.2
SSW
6
0.1
SE
14
0.1
SE
10
0.1
SE
14
Energy kJ
8
8
8
28
27
8
7
7
3
7
4
7
Wind waves
Height (m)
Direction
Period (s)
0.4
NE
3
0.4
NE
3
0.4
ENE
4
0.5
E
4
0.5
E
5
0.5
E
5
0.6
E
4
1
E
4
1.2
ESE
5
1.3
ESE
6
1.2
ESE
6
1.2
ESE
6
0.5
E
5
1
ESE
6
1
ESE
6
1.2
ESE
5
1.4
ESE
6
1.7
ESE
6
2
SE
7
2.3
SE
8
2.3
SE
8
2.5
SE
9
3
SE
8
Energy kJ
2
4
5
9
12
12
12
40
78
108
90
87
14
64
68
64
122
238
407
620
760
1011
1132
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
1
1
1
1
2
2
1
1
1
1
1
1
3
4
Distance (km)
76
76
75
21
71
82
641
615
638
679
2547
2547
685
575
543
515
515
1022
1022
80
100
515
408
297
Best forecast wave conditions in Long Island New York
Rating
(10 max)
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
1
1
1
1
1
2
2
2
2
2
1
2
2
2
2
2
2
1
1
1
2
2
3
4
Header Global
Rating
(10 max)
5
5
5
4
5
7
7
7
6
6
6
5
6
7
8
8
7
6
5
5
5
5
6
6
  • 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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