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Surf Forecasts:

Cupsogue surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 7 pm Monday 18 May 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
12.4° C
 (Which is slightly warmer than usual)

How big are the waves at Cupsogue today?

The current surf forecast for Cupsogue at 3AM is: 1.0m 6s primary swell from a South direction and 0.4m 8s secondary swell from a Southeast direction, 0.1m 13s secondary swell from a Southeast direction (forecast issued at 07:00pm May 18). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (19 May)3.5ft (1.1m)6s
Afternoon (19 May)4ft (1.2m)6s
Evening (19 May)4.5ft (1.4m)7s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Light rain (total 5mm), mostly falling on Wed night. Warm (max 26°C on Wed morning, min 12°C on Wed night). Winds decreasing (fresh winds from the SW on Tue afternoon, calm by Wed night).

Mon
18
Tuesday
19
Wednesday
20
Thu
21
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
0
0
0
0
0
Swell
Height Map
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.8
SSE
7
0.8
SSE
7
0.8
S
5
1
S
5
1.1
S
6
1
S
6
1.1
S
6
1.1
S
6
1.4
S
6
1.4
SSW
7
1.3
S
7
1.3
SSW
7
1.5
SSW
7
1.4
SSW
7
1
S
6
1.1
SSW
6
1.2
SSW
6
1.5
SSW
6
1
S
6
0.9
S
6
0.8
S
6
0.7
S
6
0.4
SE
9
0.4
SE
9
Wave Graph
Metric surfscale
Energy kJ
73
73
32
59
78
68
88
88
151
175
152
161
204
166
84
101
115
176
79
64
51
38
28
28
Wind (km/h)
20
S
20
SSW
20
SW
25
SW
25
SW
25
SW
25
SW
25
SW
35
SW
30
SW
25
SW
25
SW
25
SW
20
SW
25
SW
30
SW
30
SW
5
W
10
NW
25
N
20
N
20
NNE
15
NE
10
SE
Wind State
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
glassy
off
cross-off
cross-off
cross-off
cross
on
High Tide
9:46PM1.27m
10:19AM0.98m
10:40PM1.22m
11:15AM0.96m
11:36PM1.16m
12:13PM0.94m
Low Tide
2:50PM-0.07m
3:43AM-0.07m
3:42PM-0.02m
4:36AM-0.03m
4:36PM0.04m
5:33AM0.02m
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
rain showers
clear
cloud
clear
rain showers
clear
part cloud
part cloud
light rain
cloud
part cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
5:30
—
—
—
—
—
—
—
5:28
—
—
—
—
—
—
—
5:28
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
8:02
—
—
—
—
—
—
—
8:04
—
—
—
—
—
—
—
8:05
—
—
—
—
—
8:06
 mm
—
—
—
—
—
—
—
—
—
1
—
—
—
1
—
—
—
3
—
—
—
—
—
—
Temp °C
22
23
20
20
18
19
19
20
19
22
19
19
18
20
26
26
22
20
20
14
12
13
14
15
Feels °C
20
20
18
17
16
17
16
17
14
18
15
16
15
18
23
22
18
23
20
7
7
8
10
12
Swell 1
Height (m)
Direction
Period (s)
0.1
S
14
0.1
SE
14
0.5
SE
8
0.5
SE
8
0.3
SE
9
0.4
SE
9
0.1
SE
13
0.5
SE
8
0.5
SE
8
0.5
SE
8
0.5
SE
8
0.4
SE
9
1.2
S
7
1.1
S
7
0.4
SE
9
0.4
SE
9
0.4
SE
9
1.1
S
6
1
S
6
0.9
S
6
0.8
S
6
0.7
S
6
0.6
S
6
0.6
S
6
Energy kJ
4
7
28
29
13
20
7
34
34
35
35
26
130
107
28
26
29
94
79
64
51
38
27
27
Swell 2
Height (m)
Direction
Period (s)
0.1
S
18
0.1
S
17
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
S
16
0.1
SE
13
0.1
SE
13
0.1
SE
16
0.1
SE
16
0.1
SE
16
0.5
SE
9
0.4
SE
9
0.1
SE
15
0.1
SE
15
0.1
SE
14
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
Energy kJ
6
6
7
7
7
7
5
7
7
10
10
10
37
27
8
8
8
29
29
29
29
29
28
28
Swell 3
Height (m)
Direction
Period (s)
—
0.1
SE
17
0.1
S
17
0.1
S
17
—
—
—
0.1
S
16
0.1
S
16
0.1
SE
13
—
—
0.1
SE
16
0.1
SE
15
—
—
—
0.1
SE
15
0.1
SE
15
0.1
SE
15
0.1
SE
15
0.1
SE
14
0.1
SE
14
0.1
SE
14
Energy kJ
—
12
6
5
—
—
—
5
5
7
—
—
10
9
—
—
—
8
8
8
8
8
8
8
Wind waves
Height (m)
Direction
Period (s)
0.8
SSE
7
0.8
SSE
7
0.8
S
5
1
S
5
1.1
S
6
1
S
6
1.1
S
6
1.1
S
6
1.4
S
6
1.4
SSW
7
1.3
S
7
1.3
SSW
7
1.5
SSW
7
1.4
SSW
7
1
S
6
1.1
SSW
6
1.2
SSW
6
1.5
SSW
6
—
—
0.3
N
3
—
0.2
NNE
3
0.2
ENE
3
Energy kJ
73
73
32
59
78
68
88
88
151
175
152
161
204
166
84
101
115
176
—
—
1
—
1
1
Nearest Offshore or Glassy
Summerville
Nova Scotia
Panic Point (Weekapaug)
Rhode Island
Summerville
Nova Scotia
Seabrook Beach
New Hampshire
Seabrook Beach
New Hampshire
Hampton Beach
New Hampshire
The Cove at Sandy Hook
New Jersey
Pelican Poles
Carolina South
Sands
New Jersey
Panic Point (Weekapaug)
Rhode Island
The Cove at Sandy Hook
New Jersey
Plum Island
Massachusetts
Salisbury Beach
Massachusetts
The Cove at Sandy Hook
New Jersey
Sands
New Jersey
Panic Point (Weekapaug)
Rhode Island
92nd Street
Long Island NY
Cupsogue
Long Island NY
Cupsogue
Long Island NY
Georgica Pond
Long Island NY
Jetty
Long Island NY
Democrat Point Robert Moses
Long Island NY
Jetty
Long Island NY
Nags Head Pier
Carolina North
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
2
1
1
1
1
1
1
Distance (km)
735
100
735
282
282
285
114
1005
116
100
114
274
277
114
116
100
96
0
0
43
4
54
4
592
Best forecast wave conditions in Long Island New York
92nd Street
Georgica Pond
Georgica Pond
Georgica Pond
Georgica Pond
Democrat Point Robert Moses
Georgica Pond
Rating
(10 max)
1
2
1
1
1
1
1
Best forecast wave conditions in United States
Panic Point (Weekapaug)
Rhode Island
Super Tubes
CAL - Ventura
Tijuana Sloughs
Baja Norte
Tijuana Sloughs
Baja Norte
Tijuana Sloughs
Baja Norte
Trestles (Uppers)
CAL - Orange County
The Strait
Washington
Hampton Beach
New Hampshire
Fox Hill Point
New Hampshire
Topanga Point
CAL - LA County
Trestles (Lowers)
CAL - Orange County
Tijuana Sloughs
Baja Norte
Tijuana Sloughs
Baja Norte
Tijuana Sloughs
Baja Norte
The Dump
Washington
Phillips Pump House
New Jersey
Georgica Pond
Long Island NY
Super Tubes
CAL - Ventura
Super Tubes
CAL - Ventura
Super Tubes
CAL - Ventura
Swamis
CAL - San Diego County
Super Tubes
CAL - Ventura
The Dump
Washington
Rating
(10 max)
1
1
2
2
2
2
2
1
1
2
2
2
2
2
2
2
2
1
1
1
2
2
2
Header Global
Back Bommie
Australia
Back Bommie
Australia
Avalon-North
Australia
Black Rock
Australia
Bankvaults
Indonesia
Bankvaults
Indonesia
Bali Village
Indonesia
Bali Village
Indonesia
Boneyard
Australia
Cavalos de Fao
Portugal
Cavalos de Fao
Portugal
Crazy Left
Portugal
Arrifana
Portugal
Canal
Brazil
Arrifana
Portugal
Trial Harbour
Australia
Trial Harbour
Australia
Afife
Portugal
Anglet - Corsaires
France
Lambe Lambe
Brazil
Cathedral Rock
Australia
Dunedin - Bobs Beach
New Zealand
Bali Village
Indonesia
Otago Peninsula - Allans Beach
New Zealand
Rating
(10 max)
4
4
4
4
4
4
4
4
5
5
5
5
4
5
4
5
5
4
4
5
4
4
4
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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View detailed surf forecast for Cupsogue at:
surf-forecast.com

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