Coastguards surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 6 pm Thursday 20 Nov 2025 EST
Forecast update in hr  min  s Forecast update imminent
Coastguards surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Coastguards sea temperature is
11.5° C
(Which is normal for this time of year)


How big are the waves at Coastguards today?

The current surf forecast for Coastguards at 12AM is: 0.3m 5s primary swell from a East-southeast direction and 0.2m 6s secondary swell from a South direction (forecast issued at 06:00pm November 20). The wind direction is predicted to be glassy.

Time (EST) & DateWave HeightWave Period
Morning (21 Nov)--
Afternoon (21 Nov)1ft (0.3m)6s
Evening (21 Nov)1ft (0.3m)6s

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

Updates in  hr  min  s Forecast update imminent
Thursday
20
Friday
21
Saturday
22
Sunday
23
4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM
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
Swell
Height Map
Wave Height (m) & direction (?)
0.3
S
0.3
S
0.3
S
0.3
ESE
0.2
S
0.2
E
0.4
SW
0.6
SW
0.6
SW
0.6
SSW
0.5
S
0.4
S
0.3
E
0.3
E
0.3
E
0.3
E
0.3
E
0.3
SSW
0.4
SSW
0.4
SSW
0.4
S
0.5
S
0.4
SSW
0.4
S
Period(s) (?)666565334444777666667777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7775323710985888777121214231514
Wind
(km/h)
0
WSW
5
S
5
S
5
SW
10
SSW
15
WSW
15
SW
20
WSW
15
WSW
15
SW
10
WSW
5
WSW
10
NNE
15
NNE
15
NNW
10
NNW
15
N
15
NNW
15
NNE
15
N
10
N
10
NNW
5
WSW
15
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassglassglassoncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
offoffcross-
off
cross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
off
glasscross-
on
High Tide
/ height (m)
7:10PM
1.15
7:24AM
1.41
7:47PM
1.11
7:58AM
1.37
8:25PM
1.07
8:34AM
1.33
Low Tide
/ height (m)
1:10PM
0.01
1:06AM
0.09
1:50PM
0.02
1:43AM
0.12
2:28PM
0.04
2:19AM
0.16
Thursday
20
Friday
21
Saturday
22
Sunday
23
Sunrise-----6:46-------6:47-------6:48--
Sunset4:31-------4:30-------4:30-------
clear
clear
clear
part cloud
cloud
cloud
clear
clear
cloud
cloud
cloud
light rain
light rain
light rain
light rain
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
Rain (mm)
-----------1331---------
Temp. °C76778991011111110999101110754456
Feels °C (?)434455557798766776200021
  • 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

Latest Updates

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 Coastguards 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest