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Surf Forecasts:

Cupsogue surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 1 am Thursday 12 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
3.7° C
 (Which is slightly cooler than normal)

How big are the waves at Cupsogue today?

The current surf forecast for Cupsogue at 6AM is: 1.6m 7s primary swell from a South direction (forecast issued at 01:00am March 12). An open ocean swell of 0.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (12 Mar)6ft (1.9m)7s
Afternoon (12 Mar)4ft (1.2m)7s
Evening (12 Mar)3ft (0.9m)8s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Thursday
12
Friday
13
Saturday
14
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM
Rating
(10 max)
0
0
0
1
1
1
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.5
S
1.5
S
1.6
S
1.9
SSW
1.4
S
1.2
S
1.1
S
1
S
0.9
SSE
0.8
SSE
0.8
S
0.7
S
0.7
S
0.9
SSW
1.6
S
1.8
SSW
2.3
SSW
2.2
SSW
2.5
SSW
1.6
S
1.4
S
1.5
SSW
1.2
SSW
0.9
SSW
Period(s) (?)677777788888885788888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)176192232383205155131115967980696911814629057459987035125726716594
Wind
(km/h)
25
SSW
30
SW
25
SW
30
W
30
NW
25
NW
25
NW
35
NW
35
NW
30
WNW
25
WNW
15
W
20
SW
30
SSW
40
SSW
45
SSW
50
SSW
45
WSW
50
WSW
45
W
40
W
40
W
35
WNW
25
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscross-
off		offoffoffoffoffoffoffcross-
off		crosscross-
on		cross-
on		cross-
on		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		off
High Tide
/ height (m)
2:46AM
0.80
3:20PM
0.63
3:49AM
0.81
4:22PM
0.67
4:46AM
0.85
5:16PM
0.73
Low Tide
/ height (m)
8:14AM
0.22
8:17PM
0.19
9:18AM
0.21
9:20PM
0.19
10:22AM
0.18
Thursday
12
Friday
13
Saturday
14
Sunrise---7:07-------7:05-------7:03----
Sunset------6:52-------6:53-------6:54-
light rain
light rain
cloud
cloud
cloud
light rain
light rain
light snow
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
22---11-----------------
Temp. °C101081062221100234678644676
Feels °C (?)5424-1-5-5-7-8-8-7-6-5-6-6-5-4-2-6-8-7-5-2-1
  • 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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