Flies Surf Break

Lat Long: 40.84° N 72.47° W

Flies Surf Forecast and Surf Report

Issued: 1 pm 09 Jul 2026 (local time)

Forecast update in  hr  min

Today's Flies sea temperature is
22.0° C
1.0° 

Flies surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Flies surf forecast from 9 Jul 2026:

  • Best quality surf: Friday 10 Jul, 11PM (local time) - 2.5ft (0.7m), 7s period, S swell with offshore winds.
  • Most powerful swell: Wednesday 15 Jul, 2AM (local time) - 5ft (1.6m), 6s period, SW swell with 203 kJ wave energy.
  • Next surfable swell (1★+): Friday 10 Jul, 11PM (local time) - 2.5ft (0.7m), 7s period with S swell.

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 Friday (Jul 10) at 11PM. The primary swell is predicted to be 0.7m and 7s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Flies in the next 16 days are 1.6m 6s and forecast to arrive on Wednesday (Jul 15) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 8s period and expected on Thursday (Jul 09) at 8PM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Fri 10th Jul)2.5ft (0.7m) 7s
Best Surf11PM (Fri 10th Jul)2.5ft (0.7m) 7s
Most Powerful 2AM (Wed 15th Jul)5ft (1.6m) 6s

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


Alright, Rusty here again, same spot, different units.

Let’s be honest – the first week and a half at Flys is a total dud. The swell is tiny, the period is short, and the energy is weak – we’re talking a combined energy of just 48 to start, and it barely cracks 100 until later. The water temp is 72°, which is about 2° warmer than usual for this time of year, so it’s a bit warmer than normal, but that’s the only good news.

From Thursday the 9th through to the 17th, it’s flat and messy. There’s a clean morning on Friday the 10th with offshore wind at 9 mph, but the swell is only 2 ft and period is 5 seconds – just nothing to work with.

The first real chance comes on Saturday the 18th. The morning brings a 6 ft SSW swell with a period of 6 seconds, and clean cross-offshore wind from the WSW at 16 mph. The combined energy hits 236 – that’s moderate energy, and it’s a real step up. The afternoon gets even bigger: 8 ft from the SSW, period 7 seconds, and the energy jumps to 662 – strong and powerful. But that’s big. At 8 ft, this is for experienced surfers only. The wind stays clean, and the swell direction matches the optimum for Flys. This is the standout of the whole 16 days – Saturday 18th afternoon is the one to circle.

Sunday the 19th backs off a bit, with 5 ft from the S, period 8 seconds, but the wind turns cross-on from the ESE. Still surfable energy at 260, but not as clean.

Monday the 20th morning gives a last chance, with 3 ft from the S, period 8 seconds, and clean cross-offshore wind from the N at 9 mph. Energy is 119 – very ordinary, but it’s there if you need a fix.

After that, the swell fades and the wind gets ugly. The second week is mostly small and blown out.

So, the only real window is Saturday 18th. The afternoon is the best – big, clean, and powerful. Experts only. The rest? Not worth it.

Rusty.

Short Range Forecast

Light rain (total 6mm), mostly falling on Thu night. Warm (max 28°C on Fri afternoon, min 19°C on Sat night). Winds decreasing (fresh winds from the SSW on Thu night, calm by Fri night).

Days 5-7 Weather Summary

Mostly dry. Warm (max 27°C on Tue afternoon, min 19°C on Sun night). Winds increasing (calm on Mon morning, fresh winds from the SW by Tue night).

Thu
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
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
0
1
0
0
0
0
0
0
0
0
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)
0.9
SSW
4
0.9
SSW
5
0.7
S
5
0.7
S
6
0.8
S
7
0.7
S
7
0.6
S
7
0.5
S
7
0.5
S
7
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
9
0.3
SE
9
0.5
SE
9
1.2
SSW
5
1.6
SW
6
1.2
SW
6
1
SSW
6
0.7
SSW
6
0.4
SSW
5
Wave Graph
Metric surfscale
Energy kJ
33
43
27
29
59
45
32
24
24
15
15
14
14
13
37
61
203
105
68
33
9
Wind (km/h)
25
SSW
15
SSW
15
NNW
15
WSW
10
NNW
10
ENE
15
E
20
ENE
25
ENE
20
ESE
5
ENE
10
S
25
SSW
30
SW
25
WSW
35
SW
35
WSW
30
SW
30
SSW
20
NW
10
NNW
Wind State
cross
cross
off
cross-off
off
cross
cross-on
cross
cross
on
glassy
cross-on
cross-on
cross
cross-off
cross
cross-off
cross
cross
off
off
High Tide
3:45PM1.06m
4:08AM0.85m
4:44PM1.12m
5:09AM0.87m
5:40PM1.18m
6:08AM0.91m
6:35PM1.23m
7:04AM0.96m
7:29PM1.26m
7:59AM1.00m
8:22PM1.27m
8:52AM1.04m
9:14PM1.25m
9:45AM1.06m
Low Tide
9:24PM0.14m
9:29AM0.04m
10:30PM0.11m
10:30AM0.02m
11:37PM0.07m
11:32AM0.01m
00:41AM0.02m
12:33PM-0.01m
1:38AM-0.02m
1:32PM-0.03m
2:29AM-0.05m
2:26PM-0.03m
3:16AM-0.06m
clear
rain showers
clear
part cloud
thunderstorm
part cloud
thunderstorm
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
thunderstorm
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:26
5:26
5:28
5:28
5:30
5:30
5:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:22
8:22
8:22
8:21
8:20
8:20
8:19
 mm
3
2
1
5
Temp °C
24
24
25
28
27
22
23
22
21
23
21
20
21
21
25
27
26
24
25
25
23
Feels °C
23
26
26
28
29
23
23
22
17
20
18
19
19
17
22
23
22
21
22
29
21
  • 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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