Cupsogue surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 7 pm Tuesday 31 Mar 2026 EDT
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
4.3° C
(Which is 1.4°C colder than average for this time of year)

How big are the waves at Cupsogue today?

The current surf forecast for Cupsogue at 10PM is: 2.0m 8s primary swell from a South direction (forecast issued at 07:00pm March 31). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (31 Mar)--
Afternoon (31 Mar)6ft (1.9m)8s
Evening (31 Mar)6.5ft (2.0m)8s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
0
0
0
0
1
1
3
1
0
0
0
0
0
0
0
0
0
0
0
0
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.8
S
2
S
2
S
2.1
S
2.2
S
2
S
2.3
SSW
2
S
1.9
SSW
1.4
S
1.3
S
1.1
S
1
S
0.8
S
0.7
S
0.7
S
0.6
S
0.5
S
0.5
S
0.4
SE
0.5
SE
0.6
SSE
0.6
SSE
0.6
SSW
Period(s) (?)888888888887777777677676
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3884704825796595727045484502281861301026147483423211323262925
Wind
(km/h)
30
SSW
35
SW
40
SW
40
SW
35
SW
30
SW
25
SW
25
SW
10
WSW
20
NNE
35
ENE
35
ENE
35
ENE
40
ENE
35
ENE
30
ENE
30
ENE
30
ENE
25
ENE
20
ENE
15
E
10
ESE
5
SW
15
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrosscrosscrosscross-
off
cross-
off
cross-
on
crosscrosscross-
on
crosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
glasscross
High Tide
/ height (m)
7:26PM
1.04
7:46AM
1.01
8:07PM
1.07
8:27AM
0.99
8:47PM
1.08
9:07AM
0.96
Low Tide
/ height (m)
1:34AM
0.01
1:40PM
0.00
2:07AM
-0.00
2:08PM
-0.00
2:38AM
0.00
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Sunrise-----6:35-------6:33-------6:31--
Sunset7:14-------7:15-------7:15-------
part cloud
part cloud
part cloud
clear
clear
cloud
cloud
part cloud
cloud
light rain
light rain
cloud
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
Rain (mm)
---------11-1-----------
Temp. °C1112111113131519161264311111122479
Feels °C (?)5533771116159-2-4-5-9-8-7-7-7-6-4-3166
  • 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

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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