Flies Surf Break

Lat Long: 40.84° N 72.47° W

Flies Surf Forecast and Surf Report

Issued: 1 am 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Flies sea temperature is
21.5° C
0.4° 

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


Flies surf forecast from 20 Jul 2026:

  • Best quality surf: Wednesday 22 Jul, 11PM (local time) - 8ft (2.5m), 9s period, S swell with cross-offshore winds.
  • Most powerful swell: Wednesday 22 Jul, 11PM (local time) - 8ft (2.5m), 9s period, S swell with 1,060 kJ wave energy.
  • Next surfable swell (1★+): Monday 20 Jul, 8AM (local time) - 2.5ft (0.8m), 8s 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 Monday (Jul 20) at 8AM. The primary swell is predicted to be 0.8m and 8s period with a secondary swell of 0.1m and 12s. 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 2.5m 9s and forecast to arrive on Wednesday (Jul 22) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 7s period and expected on Sunday (Jul 26) at 5AM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Mon 20th Jul)2.5ft (0.8m) 8s
Best Surf11PM (Wed 22nd Jul)8ft (2.5m) 9s
Most Powerful11PM (Wed 22nd Jul)8ft (2.5m) 9s

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


The Lowdown

Alright folks, Rusty here with the look ahead. We're dialing into Flies, the beach/jetty setup. It's going to be a bit of a wait for the good stuff, but there's a solid window coming.

The water temp here is sitting at 71°F, which is basically spot on for this time of year.

The first half of this 16-day stretch is pretty grim. From Monday the 20th right through to Wednesday the 22nd, it's a write-off. We've got messy winds, short-period windswell, and the overall energy is weak. There's a monster storm brewing on Wednesday with an 8ft swell (combined energy of 773), but the wind is a howling cross-shore, turning it into a lumpy, choppy mess. That's more of a kite-surfing setup than a paddle session.

Things finally flip on the morning of Thursday the 23rd of July. That's our standout. The wind swings offshore from the NW at 12 mph, cleaning up a solid 7ft S swell with a decent 9-second period. The combined energy hits 670, so there's some grunt in the water. This will be the pick of the period – clean, decent-sized, and offering proper waves. Expect a few bodies in the water as it can get crowded, but with that quality, it's worth it.

Friday the 24th and Saturday the 25th offer small, clean waves in the mornings. We're looking at 3ft on a glassy surface. It's not big, but if you're on a log, it'll be fun and uncrowded before the seabreeze chops it up.

The swell backs right off again from the 26th, taking us into another flat spell. The next real chance isn't until the start of August. On Sunday the 2nd of August, we get another pulse. This one is a 7ft SSW swell with clean conditions – the combined energy reading is 497. It's a late call and a week and a half out, so keep an eye on it, but it looks promising for another proper session.

Hang in there. The 23rd is the day to circle.
Rusty.

Short Range Forecast

Heavy rain (total 23mm), heaviest during Tue night. Warm (max 26°C on Wed night, min 19°C on Mon morning). Winds increasing (light winds from the NE on Mon morning, fresh winds from the WSW by Tue night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 24°C on Thu afternoon, min 17°C on Thu morning). Winds decreasing (fresh winds from the NNW on Thu morning, calm by Sat morning).

Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
1
3
2
2
1
0
0
1
0
1
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)
0.8
S
7
0.7
S
7
0.6
S
7
1.1
S
5
1.4
SSE
6
1.5
S
6
2
S
8
2.5
SSW
8
2.3
S
9
2
S
9
1.7
S
8
1.4
SSE
8
0.8
S
8
0.8
SE
8
0.8
SE
8
0.8
SE
7
0.8
SE
7
0.9
SE
7
0.1
S
5
0.9
ESE
7
0.9
SE
7
Wave Graph
Metric surfscale
Energy kJ
70
48
35
59
150
186
576
773
899
670
412
270
73
82
82
77
64
79
1
0
79
Wind (km/h)
5
NE
15
S
20
S
30
SE
25
SSE
35
WSW
25
SW
30
SSW
25
N
20
NW
10
W
5
N
5
NNW
15
S
10
SSW
5
ESE
15
SSE
0
SSW
10
ESE
20
SSE
20
SW
Wind State
cross
cross-on
cross-on
on
cross-on
cross-off
cross
cross
cross-off
off
cross-off
glassy
glassy
cross-on
cross-on
glassy
cross-on
glassy
on
on
cross
High Tide
1:06PM1.00m
1:23AM0.90m
2:00PM0.97m
2:18AM0.83m
2:55PM0.95m
3:16AM0.78m
3:51PM0.95m
4:14AM0.76m
4:45PM0.97m
5:08AM0.76m
5:34PM0.99m
5:58AM0.78m
6:19PM1.02m
Low Tide
6:45PM0.20m
6:56AM0.14m
7:43PM0.25m
7:42AM0.19m
8:45PM0.29m
8:30AM0.22m
9:55PM0.30m
9:20AM0.23m
11:10PM0.28m
10:13AM0.23m
00:06AM0.26m
11:06AM0.22m
00:43AM0.22m
clear
clear
clear
cloud
light rain
thunderstorm
rain showers
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:33
5:35
5:35
5:37
5:37
5:39
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:16
8:15
8:15
8:14
8:13
8:12
8:12
 mm
3
15
1
2
2
Temp °C
21
22
22
22
23
23
24
25
26
19
24
23
21
22
22
22
22
21
21
22
22
Feels °C
20
20
21
20
23
24
24
24
25
14
21
21
21
21
19
22
20
18
21
21
21
  • Map Icons:
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  • 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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