Flies surfForecast / Long Island NY / USA

information circle16 Day Weather and Surf, issued 1 pm Wednesday 13 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
10.5° C
(Which is normal for this time of year)

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 Thursday (May 14) at 5PM. The primary swell is predicted to be 0.9m and 6s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Flies in the next 16 days are 1.8m 9s and forecast to arrive on Friday (May 15) at 11AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 9s period and expected on Friday (May 15) at 5PM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Thu 14th May)3ft (0.9m) 6s
Best Surf 8AM (Fri 15th May)5.5ft (1.7m) 10s
Most Powerful11AM (Fri 15th May)6ft (1.8m) 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 13mm), heaviest on Thu afternoon. Very mild (max 15°C on Fri afternoon, min 10°C on Thu night). Winds decreasing (strong winds from the S on Wed afternoon, calm by Thu afternoon).

Days 5-7 Weather Summary

Mostly dry. Warm (max 23°C on Sun night, min 11°C on Mon night). Wind will be generally light.

Wed
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
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
3
1
1
0
0
0
0
1
1
0
0
0
0
0
0
1
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)
1.6
SSW
6
1.4
S
6
1
SSE
6
0.9
SSE
6
1.3
SE
7
1.8
SE
9
0.6
S
8
0.7
SE
9
0.6
SE
10
0.6
SSE
8
1
SSW
6
1.4
SSW
7
1.5
S
8
1.1
S
8
0.7
SSE
8
0.6
SSE
8
0.5
SE
8
0.6
SE
9
0.6
SE
10
0.6
SE
9
0.6
SE
9
Wave Graph
Metric surfscale
Energy kJ
192
129
67
64
167
542
49
87
60
55
65
197
256
135
51
39
29
62
58
52
51
Wind (km/h)
35
SSW
25
S
5
E
0
SW
15
NW
20
NW
20
NW
10
NW
20
SW
20
SSW
20
SSW
20
SW
15
SSW
15
NNE
25
E
15
E
10
S
20
SSW
25
SSW
20
WSW
10
NNW
cross-on
cross-on
cross-on
glassy
off
off
off
off
cross
cross
cross
cross
cross
cross-off
cross-on
cross-on
cross-on
cross-on
cross
cross-off
off
High Tide
5:39PM1.09m
6:00AM0.97m
6:26PM1.17m
6:49AM0.99m
7:14PM1.24m
7:39AM1.01m
8:03PM1.28m
8:31AM1.01m
8:54PM1.29m
9:24AM1.00m
9:46PM1.27m
10:19AM0.98m
10:40PM1.22m
11:15AM0.96m
Low Tide
11:19PM0.05m
11:29AM-0.01m
00:16AM-0.01m
12:20PM-0.06m
1:10AM-0.05m
1:11PM-0.09m
2:01AM-0.09m
2:00PM-0.09m
2:52AM-0.09m
2:50PM-0.07m
3:43AM-0.07m
3:42PM-0.02m
4:36AM-0.03m
part cloud
light rain
light rain
rain showers
clear
part cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:33
5:31
5:31
5:31
5:30
5:28
5:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:58
7:59
8:00
8:00
8:01
8:01
8:02
8:04
1
4
8
2
Temp °C
14
14
12
13
13
12
15
12
14
15
15
18
22
23
14
14
14
15
18
22
17
6
7
11
12
12
8
11
8
10
10
10
16
21
21
9
9
10
13
16
21
13
Swell 1
Height (m)
Direction
Period (s)
0.3
ESE
7
0.3
SE
10
1
SSE
6
0.9
SSE
6
1.3
SE
7
1.8
SE
9
1.3
ESE
9
0.8
E
10
0.6
E
9
0.6
SSE
8
0.6
SSE
8
1.2
S
7
1.1
S
8
0.7
SSE
8
0.6
SSE
8
0.5
SE
8
0.6
SE
9
0.6
SE
10
0.6
SE
9
0.6
SE
9
Energy kJ
9
16
67
64
167
542
266
117
60
55
47
139
135
51
39
29
62
58
52
51
Swell 2
Height (m)
Direction
Period (s)
0.3
SE
10
0.2
ESE
6
0.2
ESE
10
0.6
E
6
0.7
SSE
9
0.6
S
8
0.7
SE
9
0.6
S
8
0.5
E
9
0.4
ESE
8
0.6
SE
8
0.6
S
7
0.5
S
7
0.1
SE
13
0.1
SE
13
0.1
SE
16
0.1
SE
16
0.1
SE
15
Energy kJ
16
4
10
26
84
49
87
49
39
24
57
32
23
7
7
10
10
9
Swell 3
Height (m)
Direction
Period (s)
0.2
E
6
0.2
ESE
10
0.4
SW
6
0.4
SW
5
0.4
SSE
8
0.6
SE
10
0.3
E
8
0.1
SE
15
0.1
S
15
0.1
SE
13
0.1
S
17
Energy kJ
3
9
11
8
22
60
11
8
4
7
5
Wind waves
Height (m)
Direction
Period (s)
1.6
SSW
6
1.4
S
6
0.6
SW
5
0.7
SSW
4
1
SSW
6
1.4
SSW
7
1.5
S
8
0.3
ENE
3
0.3
ESE
3
0.6
S
6
0.5
S
6
0.7
S
4
1
S
5
0.9
SSW
5
Energy kJ
192
129
22
13
65
197
256
2
2
29
17
15
47
45
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
3
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
Distance (km)
1598
191
22
0
0
0
0
0
56
80
56
27
36
0
97
715
57
339
1173
36
0
Best forecast wave conditions in Long Island New York
Rating
(10 max)
1
1
2
3
2
2
1
1
3
2
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
1
1
2
2
2
3
2
2
2
1
1
4
3
1
4
2
1
2
2
1
2
Header Global
Rating
(10 max)
9
4
5
4
5
5
5
4
5
4
5
5
7
4
5
5
4
4
5
5
5
  • 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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