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Surf Forecasts:

Cupsogue surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 6 am Friday 16 Jan 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
4.1° C
 (Which is 2.3°C colder than average for this time of year)

How big are the waves at Cupsogue today?

The current surf forecast for Cupsogue at 12PM is: 0.9m 6s primary swell from a West-southwest direction and 0.5m 9s secondary swell from a Southeast direction, 0.4m 9s secondary swell from a South-southwest direction (forecast issued at 06:00am January 16). The wind direction is predicted to be cross-offshore.

Time (EST) & DateWave HeightWave Period
Morning (16 Jan)3ft (0.9m)6s
Afternoon (16 Jan)2.5ft (0.7m)6s
Evening (16 Jan)1.5ft (0.5m)11s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Friday
16
Saturday
17
Sunday
18
Mon
19
4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
2
1
1
1
1
0
0
1
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
SSW
0.6
SE
0.9
WSW
0.9
WSW
0.7
SW
0.5
SE
0.6
SSE
0.6
SSE
1.2
SSW
1.3
SSW
1.3
SSW
1.7
SSW
1.7
SSW
1.3
S
1.1
S
1.2
S
1.2
S
1.2
S
1.1
S
1
SSE
1
SSE
0.7
S
0.8
SSE
0.7
SSE
Period(s) (?)896661110106677777888888777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7952645943597268100133166270305186131177190190153130123537152
Wind
(km/h)
45
WNW
40
WNW
40
W
35
W
30
W
30
WSW
30
SW
30
SW
35
SW
35
SSW
30
SW
25
WSW
30
WSW
20
W
15
WSW
15
WSW
15
WSW
10
WSW
10
WNW
10
N
15
N
25
NNW
25
WNW
25
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscrosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off
High Tide
/ height (m)
5:35AM
0.91
6:00PM
0.69
6:18AM
0.94
6:43PM
0.73
7:00AM
0.97
7:25PM
0.76
Low Tide
/ height (m)
11:47AM
0.06
11:14PM
0.03
12:21PM
0.01
12:00AM
-0.01
12:54PM
-0.04
12:44AM
-0.04
Friday
16
Saturday
17
Sunday
18
Mon
19
Sunrise--7:11-------7:11-------7:11-----
Sunset----4:47-------4:49-------4:50---
clear
clear
clear
clear
cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
light rain
part cloud
part cloud
clear
cloud
cloud
light snow
light snow
light snow
light snow
snow showers
clear
Rain (mm)
------------2-----------
Temp. °C-5-5-4-20014667523454410000-2
Feels °C (?)-17-16-16-12-9-9-8-4-3-3-1-2-5-3-10-1-1-3-4-5-7-7-10
  • 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.

View detailed surf forecast for Cupsogue at:
surf-forecast.com

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