Flies surfForecast / Long Island NY / USA

information circle16 Day Weather and Surf, issued 1 pm Sunday 24 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
12.2° C
(Which is slightly cooler than normal)

Best Forecast Surf Conditions for Flies this week:

The surf forecast for Flies over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (May 25) at 5PM. The primary swell is predicted to be 0.9m and 6s period with a secondary swell of 0.1m and 16s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Flies in the next 16 days are 2.4m 9s and forecast to arrive on Sunday (May 24) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 8s period and expected on Monday (May 25) at 8AM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Mon 25th May)3ft (0.9m) 6s
Best Surf 5PM (Mon 25th May)3ft (0.9m) 6s
Most Powerful 5PM (Sun 24th May)8ft (2.4m) 9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 17mm), heaviest on Sun afternoon. Warm (max 22°C on Wed morning, min 11°C on Sun afternoon). Winds decreasing (fresh winds from the E on Sun afternoon, calm by Tue morning).

Days 5-7 Weather Summary

Light rain (total 5mm), mostly falling on Fri night. Warm (max 23°C on Wed afternoon, min 14°C on Fri morning). Winds increasing (calm on Thu night, fresh winds from the NNW by Sat morning).

Sun
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
0
0
1
1
1
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.4
SE
9
1.9
SE
8
0.7
SSW
6
0.9
SSW
6
1
S
7
0.9
SE
8
0.9
S
7
0.9
SSW
7
1
SSW
7
0.9
SSW
7
0.8
S
7
0.6
S
7
0.6
S
7
0.5
S
7
0.4
SE
8
0.5
S
6
0.4
S
6
0.5
S
6
0.4
S
6
0.3
S
6
0.2
SSE
8
Wave Graph
Metric surfscale
Energy kJ
827
479
34
64
92
86
81
84
91
84
57
35
33
22
20
20
12
21
12
7
7
Wind (km/h)
25
E
10
S
20
WSW
15
WSW
15
NNW
5
SSE
20
SSW
20
SW
20
WSW
25
SW
25
NNW
30
NW
15
NW
5
NW
20
ESE
20
ESE
20
NE
35
NNW
40
N
30
N
10
NNE
cross-on
cross-on
cross-off
cross-off
off
glassy
cross-on
cross-off
cross-off
cross
off
off
off
glassy
on
on
cross
off
cross-off
cross-off
cross-off
High Tide
3:15PM0.94m
3:35AM0.91m
4:12PM0.97m
4:31AM0.89m
5:02PM1.01m
5:21AM0.88m
5:48PM1.04m
6:07AM0.87m
6:30PM1.07m
6:50AM0.87m
7:10PM1.08m
7:32AM0.86m
7:50PM1.09m
8:14AM0.85m
Low Tide
9:16PM0.22m
9:35AM0.15m
10:29PM0.21m
10:23AM0.16m
11:30PM0.19m
11:04AM0.16m
00:18AM0.17m
11:40AM0.15m
00:55AM0.16m
12:16PM0.14m
1:25AM0.14m
12:53PM0.12m
1:54AM0.12m
1:30PM0.12m
mod rain
light rain
light rain
light rain
cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
light rain
part cloud
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
5:24
5:22
5:22
5:22
5:20
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:07
8:08
8:09
8:09
8:10
8:12
8:13
8:14
9
3
2
3
5
Temp °C
12
16
17
17
19
17
18
19
22
23
23
19
21
18
15
16
15
14
16
10
11
8
16
16
17
19
18
17
16
20
20
21
13
15
15
12
13
12
13
9
1
8
Swell 1
Height (m)
Direction
Period (s)
0.1
S
18
1.9
SE
8
1.4
SE
8
1.2
ESE
8
1
S
7
0.9
SE
8
0.9
S
7
0.6
SE
7
0.9
SSW
7
0.4
SE
7
0.8
S
7
0.6
S
7
0.6
S
7
0.5
S
7
0.5
S
6
0.5
S
6
0.4
S
6
0.5
S
6
0.4
S
6
0.4
ENE
9
0.4
E
9
Energy kJ
6
479
274
175
92
86
81
44
79
12
57
34
33
22
20
20
12
21
12
28
25
Swell 2
Height (m)
Direction
Period (s)
0.1
S
18
0.1
SE
16
0.1
SE
16
0.9
ESE
8
0.8
S
7
0.8
ESE
8
0.4
ESE
7
0.2
SSE
9
0.3
SSE
9
0.5
SE
8
0.4
SE
9
0.4
SE
8
0.4
SE
8
0.3
SE
8
0.2
SSE
8
0.4
NE
6
0.3
S
6
0.2
SSE
8
Energy kJ
6
10
10
109
59
74
20
8
15
35
19
18
18
11
7
9
7
7
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
16
0.1
S
16
0.1
SE
15
0.1
SE
15
0.1
S
14
0.3
SE
7
0.1
E
9
0.1
E
8
0.2
E
8
0.1
E
8
0.3
E
8
0.1
SE
8
0.2
S
6
Energy kJ
10
5
9
8
4
9
2
1
6
1
10
3
3
Wind waves
Height (m)
Direction
Period (s)
2.4
SE
9
0.7
SSW
6
0.9
SSW
6
0.9
SSW
7
1
SSW
7
0.9
SSW
7
0.6
NW
3
0.6
NE
6
Energy kJ
827
34
64
84
91
84
6
25
Nearest Offshore or Glassy
Rating
(10 max)
2
2
3
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
297
224
1
1
36
0
0
56
121
40
101
0
0
21
597
679
715
210
1420
855
849
Best forecast wave conditions in Long Island New York
Rating
(10 max)
3
2
2
2
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
2
3
2
4
3
1
2
3
1
1
2
1
1
1
1
2
2
1
1
3
Header Global
Rating
(10 max)
5
5
4
4
4
9
6
7
7
8
6
7
9
8
5
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)
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Information about the Flies Surf forecast

The above surf forecast table for Flies provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Flies can be found by selecting the local surf guide option on the grey menu. Our Flies 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 (Flies) 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 Flies 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.

Flies is 32 km (20 miles) from Mastic. If you plan a vacation in Long Island New York, look for hotels and other accommodation in Mastic. Mastic has rooms for a wide range of budgets as well as car hire and transport links.

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