Flies surfForecast / Long Island NY / USA

information circle12 Day Weather and Surf, issued 6 pm Sunday 04 Jan 2026 EST
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
5.0° C
(Which is 2.4°C colder than average for this time of year)
Nearby Cam: 1km away, Hamptons.com - LIVE! Ponquogue Bridge, Hampton Bays, New York


Best Forecast Surf Conditions for Flies this week:

The surf forecast for Flies over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jan 08) at 10AM. The primary swell is predicted to be 0.9m and 8s period with a secondary swell of 0.3m and 8s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Flies in the next 12 days are 2.5m 8s and forecast to arrive on Saturday (Jan 10) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Wednesday (Jan 07) at 1PM.

Wave TypeTime (EST) & Date Wave Height & Period
Next good surf (1 star+)10AM (Thu 8th Jan)3ft (0.9m) 8s
Best Surf10AM (Thu 8th Jan)3ft (0.9m) 8s
Most Powerful 7AM (Sat 10th Jan)8ft (2.5m) 8s

Table - best surf conditions forecast for Flies over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Some drizzle, heaviest during Tue night. Icy conditions (max 8°C on Tue night, min -5°C on Sun night). Winds increasing (calm on Mon morning, fresh winds from the WNW by Wed morning).

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sat morning. Very mild (max 12°C on Sat morning, min 2°C on Wed night). Winds increasing (light winds from the WSW on Thu afternoon, strong winds from the SSW by Sat morning).

Sun
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
Saturday
10
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.2
SSW
0.1
SE
0.1
S
0.2
S
0.8
SSW
0.8
S
0.7
S
0.7
S
1.2
SSW
1.5
S
1.2
SSW
0.9
SSW
0.7
S
0.5
S
0.9
SSW
1.7
S
2.5
SSW
2.4
SSW
2.2
S
1.8
S
1.4
SSW
Period(s) (?)789856656888874678888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)42152743332710330518192572329210657627603378226
Wind
(km/h)
20
WNW
25
NNW
5
WNW
15
SSW
15
WSW
5
NW
10
ESE
15
SSW
30
WSW
40
WNW
20
WNW
15
WNW
10
WNW
10
SSW
25
S
35
S
35
SSW
45
SSW
50
SSW
30
W
40
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffglasscross-
on
cross-
off
glassoncrosscross-
off
cross-
off
cross-
off
offoffcrosscross-
on
cross-
on
crosscross-
on
cross-
on
cross-
off
cross-
off
High Tide
/ height (m)
8:18PM
0.90
8:37AM
1.11
9:09PM
0.91
9:27AM
1.05
9:58PM
0.90
10:15AM
0.98
10:47PM
0.88
11:03AM
0.89
11:37PM
0.85
11:52AM
0.81
12:28AM
0.82
12:44PM
0.73
1:22AM
0.80
Low Tide
/ height (m)
1:50AM
-0.13
2:40PM
-0.16
2:39AM
-0.10
3:22PM
-0.14
3:27AM
-0.05
4:04PM
-0.09
4:16AM
0.00
4:46PM
-0.05
5:07AM
0.06
5:28PM
0.00
6:00AM
0.12
6:13PM
0.04
6:57AM
0.15
Sun
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunrise--7:13--7:13--7:13--7:13--7:13--7:13--7:13
Sunset4:35--4:36--4:37--4:37--4:37--4:38--4:39--
clear
clear
cloud
cloud
part cloud
cloud
cloud
light rain
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
cloud
light rain
light rain
rain showers
clear
Rain (mm)
-------1---------211-
Temp. °C00-3253587535681011111211104
Feels °C (?)-7-9-8-510150-4-3134444324-6
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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 12 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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