Cupsogue surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 7 am Friday 20 Jun 2025 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
17.5° C
(Which is slightly cooler than normal)


How big are the waves at Cupsogue today?

The current surf forecast for Cupsogue at 1PM is: 1.1m 8s primary swell from a South direction (forecast issued at 07:00am June 20). An open ocean swell of 0.3m 8s is not directed at the surf break, a second open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (20 Jun)4ft (1.2m)7s
Afternoon (20 Jun)4.5ft (1.4m)8s
Evening (20 Jun)4.5ft (1.4m)7s

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

Updates in  hr  min  s Forecast update imminent
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.8
SSW
1.3
S
1.1
S
1.4
SSW
1.5
SSW
1.4
SSW
1
S
0.9
S
0.8
S
0.7
S
0.7
S
0.6
S
0.6
S
0.6
S
0.6
S
0.6
S
0.7
SSW
0.9
SSW
0.9
SSW
0.9
SSW
1
S
1.3
SSW
1.4
SW
1.3
SSW
0.8
SSW
0.7
S
0.6
S
0.5
S
0.7
SSW
0.5
S
0.7
SW
0.4
SSW
0.3
SSW
0.3
S
0.2
S
0.3
SSW
0.1
SE
0.1
SE
0.2
SSE
0.3
SSW
0.2
SSE
0.2
SSE
0.2
SSE
0.9
E
1
E
1
E
0.1
SE
0.1
SE
0.1
SE
0.2
SSE
0.2
SSE
0.2
SSE
0.6
ESE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.4
SE
0.4
SE
Period(s) (?)778877776666666555666666666655555554111184998466101010888510101010101010
Wave
Graph
(?)Metric surfscale
Energy (?)53318614336438334510977574239303636362135526369801962031885440301946234312875910108699173969764461010104330293625315045
Wind
(km/h)
30
W
35
WNW
25
W
25
WSW
25
WSW
15
W
15
WNW
10
NW
10
NW
5
W
15
SW
20
SW
20
SSW
20
SSW
15
SW
20
SW
20
SW
30
SW
35
SW
30
SW
30
SW
25
WSW
20
W
15
WNW
15
NW
15
NW
15
NNW
10
W
10
SW
10
SW
10
N
10
NNW
10
NW
15
NW
15
NNW
10
WNW
10
WSW
15
NW
20
NNW
20
NNW
15
N
20
NE
30
ENE
30
E
25
ESE
25
ESE
25
ESE
10
ESE
5
ESE
5
ESE
15
SE
15
SE
20
SE
15
SSE
15
SSE
15
S
10
SSW
10
S
15
S
15
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffglasscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
off
cross-
off
offoffoffoffcross-
off
cross-
off
crosscross-
off
offoffoffoffoffcross-
off
offcross-
off
cross-
off
cross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
glassononononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
3:14AM
0.91
3:52PM
1.07
4:14AM
0.91
4:49PM
1.14
5:13AM
0.91
5:44PM
1.19
6:09AM
0.93
6:37PM
1.23
7:04AM
0.94
7:29PM
1.25
7:58AM
0.96
8:21PM
1.25
8:51AM
0.96
9:12PM
1.22
9:43AM
0.97
Low Tide
/ height (m)
8:44AM
0.03
9:32PM
0.12
9:41AM
0.02
10:38PM
0.09
10:38AM
0.01
11:44PM
0.06
11:36AM
-0.00
12:47AM
0.02
12:33PM
-0.01
1:43AM
-0.00
1:28PM
-0.01
2:33AM
-0.02
2:20PM
0.01
3:19AM
-0.01
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sunrise-5:18-------5:18-------5:18-------5:18-------5:20-------5:20-------5:20-------5:20--
Sunset-----8:24-------8:24-------8:24-------8:24-------8:25-------8:25-------8:25------
clearclearclearclearclearclearclearpart cloudpart cloudcloudpart cloudpart cloudpart cloudclearpart cloudpart cloudpart cloudpart cloudcloudpart cloudclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearrain showersclearclearclearclearclearpart cloudcloudpart cloudpart cloudclearclearclearclearlight rainrain showersrain showerspart cloudpart cloudpart cloud
Rain (mm)
----------------------------------------1-------------111---
Temp. °C202023252627252323222425262524242322242829333229282832343433312928283235343330282623201918161515151516161617171818192021
Feels °C (?)161518212225232223232322232323232118202426313330293033353434323130293336353431292621161313121113141414131315161718202122
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>

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