Flies Surf Break

Lat Long: 40.84° N 72.47° W

Flies Surf Forecast and Surf Report

Issued: 7 pm 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's Flies sea temperature is
22.2° C
0.5° 

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


Flies surf forecast from 19 Jul 2026:

  • Best quality surf: Wednesday 22 Jul, 8PM (local time) - 7ft (2.2m), 9s period, S swell with offshore winds.
  • Most powerful swell: Wednesday 22 Jul, 2PM (local time) - 7ft (2.2m), 9s period, S swell with 758 kJ wave energy.
  • Next surfable swell (1★+): Sunday 19 Jul, 2PM (local time) - 4ft (1.2m), 8s period with SSW 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 Sunday (Jul 19) at 2PM. The primary swell is predicted to be 1.2m and 8s period with a secondary swell of 0.1m and 13s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Flies in the next 16 days are 2.2m 9s and forecast to arrive on Wednesday (Jul 22) at 2PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 8s period and expected on Saturday (Jul 25) at 2AM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Sun 19th Jul)4ft (1.2m) 8s
Best Surf 8PM (Wed 22nd Jul)7ft (2.2m) 9s
Most Powerful 2PM (Wed 22nd Jul)7ft (2.2m) 9s

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


The Lowdown

G’day, Rusty here. Look, I’ll be straight with you – the next 16 days at Flies are a bit of a mixed bag, and we’ve got a slow start to get through. The water temp is pretty average for this time of year, nothing unusual there, so don’t expect any surprises.

We kick off on Sunday the 19th of July. The morning has a clean 4ft SSW swell with a short 7-second period, and a moderate offshore breeze from the NNW. The combined energy is weak (154), and honestly, it’s just ordinary. The afternoon sees a drop to 3ft from the same direction, with a NW offshore, but it’s still not exciting.

Monday the 20th is the first real standout. The morning is glassy, with a light NNE breeze and a 3ft S swell at 8 seconds. The energy is low (80), but with the wind glassy, it’ll be clean and fun for a grovel on a beach/jetty setup. The afternoon turns cross-onshore and choppy though, so get on it early.

Then we hit a dry spell. From Monday afternoon right through to the morning of Wednesday the 22nd, it’s all poor surf conditions with onshore wind and chop. It’s a proper gap of about a day and a half with nothing worth paddling out for.

Wednesday the 22nd of July morning brings a bump in size – 7ft S swell, 8-second period, and a clean cross-offshore WSW wind. The energy jumps to moderate (698). This is a bigger swell, but with that short period and a beach/jetty break, it’ll be a bit lumpy and mushy. The afternoon stays around 7ft, but it turns cross-shore and choppy. This one’s best for the experienced crew – over 8ft is pushing it for beginners.

Thursday the 23rd morning is another bright spot. 5ft S swell, 9-second period, with a clean cross-offshore N wind. The energy is moderate (404). The longer period gives the waves a bit more shape, and with the wind clean, it’s a solid option for intermediates. The afternoon falls apart again with a cross-onshore breeze.

From Thursday afternoon until the end of the period, it’s a long, drawn-out run of poor surf. There are flickers of glassy conditions on Friday the 31st of July morning and Monday the 3rd of August morning, but the swell is tiny – 2ft and 1ft respectively – so it’s barely a ripple. The 2nd of August morning has a 4ft S swell with a clean offshore WNW wind, but the period is short (6 seconds) and the energy is weak (94). It’s surfable, but nothing to write home about.

Overall, the best of the lot is Monday the 20th of July morning for the glassy clean conditions, and Thursday the 23rd of July morning for the bigger, better-shaped swell. If you’re after a proper wave, Wednesday the 22nd has the size, but it’s a bit of a mess. There are long gaps in between, so pick your moments.

Rusty.

Short Range Forecast

Moderate rain (total 12mm), heaviest on Sat night. Warm (max 25°C on Sun afternoon, min 19°C on Sun night). Winds decreasing (near gales from the SW on Sat night, calm by Mon morning).

Days 5-7 Weather Summary

Light rain (total 9mm), mostly falling on Tue night. Warm (max 26°C on Wed afternoon, min 18°C on Wed night). Winds decreasing (fresh winds from the SW on Tue night, light winds from the WNW by Thu afternoon).

Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
1
0
1
0
0
0
0
0
1
1
2
1
0
2
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
SSW
7
1.2
SSW
7
1
S
7
0.9
S
8
0.8
S
8
0.8
S
7
0.8
S
7
0.9
S
7
1
S
5
0.8
SSW
6
2.2
S
8
2.1
S
9
1.8
S
9
1.6
S
9
1.5
S
8
1
S
8
0.9
S
8
0.8
S
8
0.9
S
8
Wave Graph
Metric surfscale
Energy kJ
335
147
109
93
74
70
69
81
57
48
698
676
528
404
324
130
95
82
98
Wind (km/h)
40
WSW
25
NNW
20
NW
20
N
5
NNE
15
S
15
SSE
25
SSE
25
SE
35
SW
25
WSW
20
SW
20
N
20
N
15
SSW
15
N
5
ENE
10
SSE
5
S
Wind State
cross-off
off
off
cross-off
glassy
cross-on
cross-on
on
on
cross
cross-off
cross
cross-off
cross-off
cross-on
cross-off
cross
cross-on
glassy
High Tide
11:43PM1.07m
12:15PM1.03m
00:32AM0.98m
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
Low Tide
5:28AM0.04m
5:51PM0.15m
6:12AM0.09m
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
thunderstorm
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:33
5:33
5:35
5:35
5:37
5:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:17
8:16
8:16
8:15
8:15
8:14
8:13
 mm
12
9
Temp °C
24
21
25
25
21
23
22
22
23
23
23
26
26
20
24
23
21
23
22
Feels °C
22
18
20
22
20
20
20
20
22
23
22
25
26
16
21
21
21
22
21
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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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