Jetty surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 6 pm Tuesday 20 Jan 2026 EST
Forecast update in hr  min  s Forecast update imminent
Jetty surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Jetty sea temperature is
3.9° C
(Which is 2.1°C colder than average for this time of year)


How big are the waves at Jetty today?

The current surf forecast for Jetty at 10PM is: 0.4m 9s primary swell from a Southeast direction and 0.4m 8s secondary swell from a South direction, 0.4m 6s secondary swell from a West-southwest direction (forecast issued at 06:00pm January 20). The wind direction is predicted to be cross-offshore.

Time (EST) & DateWave HeightWave Period
Morning (20 Jan)--
Afternoon (20 Jan)1.5ft (0.5m)8s
Evening (20 Jan)1.5ft (0.4m)9s

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

Updates in  hr  min  s Forecast update imminent
Tuesday
20
Wednesday
21
Thursday
22
Friday
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 (?)
0.5
S
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.5
SE
1.3
S
1.6
SSW
1.7
SSW
1.9
SSW
1.7
SSW
1.5
SSW
1.4
SSW
1.3
SSW
1.2
SSW
1.4
SW
0.7
SSW
0.4
SE
0.4
SE
0.4
SE
0.4
SE
Period(s) (?)89988889105677877777610101011
Wave
Graph
(?)Metric surfscale
Energy kJ (?)322726252424252644952182773653102492081471231764326242540
Wind
(km/h)
30
WNW
25
WNW
25
W
20
W
20
W
20
W
20
WSW
25
SW
35
SSW
40
SSW
40
SW
45
SW
40
WSW
35
WSW
35
WSW
35
WSW
35
WSW
30
W
30
W
25
W
25
W
30
W
25
W
30
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
8:48PM
0.83
9:03AM
0.96
9:30PM
0.86
9:44AM
0.93
10:13PM
0.88
10:28AM
0.89
Low Tide
/ height (m)
2:05PM
-0.11
2:10AM
-0.09
2:43PM
-0.13
2:54AM
-0.09
3:22PM
-0.14
3:41AM
-0.08
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise------7:09-------7:09-------7:07-
Sunset4:52-------4:53-------4:54-------
clear
part cloud
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
part cloud
cloud
cloud
cloud
clear
clear
part cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C-6-6-6-7-8-8-6-3055554355420-1-1-10
Feels °C (?)-16-15-14-14-15-15-13-11-10-5-5-6-5-5-6-4-4-5-7-8-9-9-9-9
  • 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 Jetty 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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