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Surf Forecasts:

Cupsogue surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 12 am Tuesday 13 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
4.0° C
 (Which is 2.6°C colder than average for this time of year)

How big are the waves at Cupsogue today?

The current surf forecast for Cupsogue at 6AM is: 1.1m 6s primary swell from a Southwest direction and 0.7m 6s secondary swell from a Southwest direction (forecast issued at 12:00am January 13). The wind direction is predicted to be cross-offshore.

Time (EST) & DateWave HeightWave Period
Morning (13 Jan)3ft (0.9m)6s
Afternoon (13 Jan)2.5ft (0.8m)5s
Evening (13 Jan)4.5ft (1.4m)6s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
13
Wednesday
14
Thursday
15
10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
SW
0.9
SW
1.2
SW
1.1
SW
0.9
SW
0.7
SSW
0.8
SSW
1
SSW
1.5
SSW
1.6
SSW
1.6
SSW
1.6
S
1.4
S
1.6
SSW
1.2
S
1.3
SSW
1.1
S
1.2
S
1.4
S
2
SSW
1.3
S
1.2
S
1.2
SSW
1
SSW
Period(s) (?)666666556777777777778887
Wave
Graph
(?)Metric surfscale
Energy kJ (?)38491098254283460150206261277203254139171123146178405187168155104
Wind
(km/h)
30
WSW
30
W
25
W
20
W
25
WSW
25
SW
25
SW
35
SSW
40
SSW
35
SW
35
SW
30
SW
25
SW
25
SW
15
SSW
15
SSW
15
SSW
25
SSW
25
WSW
35
WNW
35
WNW
35
W
35
W
40
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscross-
on		crosscrosscrosscrosscrosscrosscrosscross-
on		cross-
on		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		off
High Tide
/ height (m)
3:12AM
0.81
3:34PM
0.62
4:04AM
0.84
4:27PM
0.63
4:51AM
0.87
5:15PM
0.66
Low Tide
/ height (m)
7:47PM
0.09
9:06AM
0.17
8:38PM
0.10
10:17AM
0.15
9:31PM
0.09
11:09AM
0.11
Tuesday
13
Wednesday
14
Thursday
15
Sunrise----7:13-------7:13-------7:11---
Sunset------4:45-------4:45-------4:46-
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
clear
clear
part cloud
part cloud
Rain (mm)
-------------------1----
Temp. °C432224567876666677620-1-1-4
Feels °C (?)-5-5-6-5-5-3-2-2-3-1-2-2-1022310-7-10-11-11-15
  • 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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