Coastguards surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 6 am Tuesday 20 Jan 2026 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
5.4° C
(Which is normal for this time of year)


How big are the waves at Coastguards today?

The current surf forecast for Coastguards at 11AM is: 0.8m 8s primary swell from a South-southeast direction and 0.1m 7s secondary swell from a East direction, 1.1m 4s secondary swell from a West direction (forecast issued at 06:00am January 20). The wind direction is predicted to be cross-shore.

Time (EST) & DateWave HeightWave Period
Morning (20 Jan)2.5ft (0.8m)8s
Afternoon (20 Jan)4ft (1.2m)5s
Evening (20 Jan)3.5ft (1.0m)4s

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

Updates in  hr  min  s Forecast update imminent
Tuesday
20
Wednesday
21
Thursday
22
Fri
23
4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM
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 (?)
1
S
0.9
SSE
0.8
SSE
1.2
W
1.2
W
1.1
W
1
W
0.9
W
0.9
W
0.4
SE
0.4
SE
0.4
SE
1.3
SSW
2.1
SSW
2.3
SSW
2.4
SSW
2.3
SSW
2.1
SSW
1.8
SSW
1.6
SSW
1.3
SSW
1
S
0.5
SE
0.5
SE
Period(s) (?)98855444488956777777761010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1511159062624838302824252769318482512487396306229154845349
Wind
(km/h)
30
WNW
25
WNW
30
W
35
WNW
30
WNW
25
W
25
W
20
W
20
W
15
W
20
WSW
30
SW
35
SSW
35
SSW
35
SW
35
SW
30
WSW
25
WSW
25
WSW
25
WSW
25
WSW
25
WSW
25
WSW
25
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrosscrosscrosscrosscross-
on
cross-
on
ononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
7:53AM
1.37
8:19PM
1.14
8:30AM
1.34
8:58PM
1.17
9:10AM
1.30
9:40PM
1.19
Low Tide
/ height (m)
1:44AM
-0.02
2:20PM
-0.13
2:23AM
-0.02
2:55PM
-0.13
3:02AM
-0.01
3:29PM
-0.12
Tuesday
20
Wednesday
21
Thursday
22
Fri
23
Sunrise--7:11-------7:11-------7:11-----
Sunset----4:55-------4:57-------4:58---
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
part cloud
cloud
cloud
cloud
clear
Rain (mm)
------------------------
Temp. °C-5-7-8-7-5-6-6-8-8-8-6-2244443356542
Feels °C (?)-14-16-17-17-14-15-14-15-15-14-13-11-8-5-6-5-4-5-4-2-1-2-3-5
  • 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.


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