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Surf Forecasts:

Cupsogue surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 12 am Saturday 17 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
4.4° C
 (Which is 1.9°C colder than average for this time of year)

How big are the waves at Cupsogue today?

The current surf forecast for Cupsogue at 2AM is: 0.6m 10s primary swell from a South-southeast direction and 0.4m 12s secondary swell from a Southeast direction, 0.9m 6s secondary swell from a South-southwest direction (forecast issued at 12:00am January 17). The wind direction is predicted to be cross-shore.

Time (EST) & DateWave HeightWave Period
Morning (17 Jan)4.5ft (1.3m)6s
Afternoon (17 Jan)4.5ft (1.3m)7s
Evening (17 Jan)4ft (1.2m)7s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
17
Sunday
18
Monday
19
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
1
0
0
0
1
2
1
1
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
SSE
0.6
SSE
1.1
SSW
1.2
SSW
1.4
SSW
1.4
SSW
1.3
S
1.7
SSW
1.1
S
1.2
S
1.2
S
1.2
S
1.1
S
1.1
S
1
SSE
0.7
S
0.8
SSE
0.7
SSE
0.5
SE
0.6
SE
0.6
SE
0.6
SE
1.1
SSW
1.1
S
Period(s) (?)10106677777888888777888867
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7268751031581861662791271771951951611531275373543450424585107
Wind
(km/h)
30
SW
25
SW
25
SW
30
SW
25
SSW
30
SW
25
WSW
25
WSW
15
W
10
WSW
20
WSW
15
W
20
W
10
WNW
10
NW
20
NW
15
NW
20
WNW
20
W
25
W
35
WSW
40
WSW
40
WSW
40
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
6:18AM
0.94
6:43PM
0.73
7:00AM
0.97
7:25PM
0.76
7:41AM
0.98
Low Tide
/ height (m)
11:14PM
0.03
12:21PM
0.01
12:00AM
-0.01
12:54PM
-0.04
12:44AM
-0.04
1:29PM
-0.08
Saturday
17
Sunday
18
Monday
19
Sunrise----7:11-------7:11-------7:11---
Sunset------4:49-------4:50-------4:52-
clear
clear
cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light snow
clear
clear
clear
clear
part cloud
part cloud
clear
Rain (mm)
------------------------
Temp. °C13566712134301-1-2-2-2-2-2-1011
Feels °C (?)-8-5-3-2-10-6-5-4-1-1-2-6-4-6-9-8-9-9-10-11-11-9-10
  • 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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