Cupsogue surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 6 pm Thursday 19 Feb 2026 EST
Forecast update in hr  min  s Forecast update imminent
Cupsogue surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cupsogue sea temperature is
0.4° C
(Which is 4.1°C colder than average for this time of year)


How big are the waves at Cupsogue today?

The current surf forecast for Cupsogue at 12AM is: 0.6m 8s primary swell from a South direction and 0.5m 4s secondary swell from a East direction (forecast issued at 06:00pm February 19). An open ocean swell of 0.2m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (EST) & DateWave HeightWave Period
Morning (20 Feb)3ft (0.9m)5s
Afternoon (20 Feb)4.5ft (1.3m)6s
Evening (20 Feb)0.5ft (0.2m)6s

Table - waves today at Cupsogue. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Thursday
19
Friday
20
Saturday
21
Sunday
22
4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
1
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
S
0.7
S
0.7
S
0.6
S
0.5
S
0.9
ESE
0.9
ESE
1.1
ESE
1.4
ESE
0.3
SSW
0.2
S
1.2
SE
0.7
SE
0.6
SE
0.6
SSW
0.7
SSW
0.7
SSW
0.6
S
0.6
S
0.8
E
1
E
1
E
1.2
E
1.5
E
Period(s) (?)888875556766776677755556
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7657554127384769126931204635324357404028495277144
Wind
(km/h)
15
E
15
E
15
ESE
20
ENE
25
E
25
E
30
E
35
E
35
E
20
NE
10
NNW
20
WNW
20
NW
20
W
25
WNW
20
NW
15
NW
10
NW
20
ENE
30
ENE
30
E
30
ENE
35
E
40
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
offcross-
off
cross-
off
offoffoffcrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
9:03PM
0.99
9:21AM
0.97
9:47PM
1.01
10:06AM
0.92
10:34PM
1.01
10:54AM
0.86
Low Tide
/ height (m)
2:16PM
-0.16
2:37AM
-0.13
2:56PM
-0.16
3:23AM
-0.11
3:39PM
-0.15
4:12AM
-0.07
Thursday
19
Friday
20
Saturday
21
Sunday
22
Sunrise-----6:37-------6:37-------6:35--
Sunset5:29-------5:30-------5:31-------
cloud
part cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
Rain (mm)
------1332--------------
Temp. °C223333433433335666201011
Feels °C (?)-3-3-2-3-4-3-3-6-5-1-1-3-3-3-2012-4-8-7-8-8-9
  • 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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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cupsogue surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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