Jetty surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 6 am Wednesday 21 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
3.8° 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 11AM is: 0.4m 8s primary swell from a Southeast direction and 0.2m 7s secondary swell from a South direction, 0.2m 4s secondary swell from a West-southwest direction (forecast issued at 06:00am January 21). The wind direction is predicted to be cross-shore.

Time (EST) & DateWave HeightWave Period
Morning (21 Jan)1.5ft (0.4m)8s
Afternoon (21 Jan)1.5ft (0.5m)9s
Evening (21 Jan)5ft (1.6m)6s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
21
Thursday
22
Friday
23
Sat
24
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 (?)
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.5
SE
1.4
S
1.7
S
1.6
S
1.7
SSW
1.8
SSW
1.5
SSW
1.2
SSW
1.3
SSW
1
SSW
0.9
SSW
0.8
SSW
0.4
SE
0.3
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
Period(s) (?)888910567777777771012101110101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)24242526441142432402933372491561479982513323244039373524
Wind
(km/h)
20
W
15
W
20
WSW
25
SW
35
SSW
40
SSW
40
SW
45
SW
40
SW
35
WSW
35
WSW
40
WSW
35
WSW
35
W
35
W
30
W
25
W
25
W
30
WSW
40
WSW
40
W
45
NW
40
NW
35
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
crosscrosscross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross-
off
cross-
off
offoff
High Tide
/ height (m)
9:03AM
0.96
9:30PM
0.86
9:44AM
0.93
10:13PM
0.88
10:28AM
0.89
10:59PM
0.89
Low Tide
/ height (m)
2:10AM
-0.09
2:43PM
-0.13
2:54AM
-0.09
3:22PM
-0.14
3:41AM
-0.08
4:05PM
-0.13
Wednesday
21
Thursday
22
Friday
23
Sat
24
Sunrise--7:09-------7:09-------7:07-----
Sunset----4:53-------4:54-------4:55---
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
clear
part cloud
clear
cloud
cloud
cloud
clear
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
cloud
Rain (mm)
------------------------
Temp. °C-7-8-6-3046654355420-2-1-111-5-10-10
Feels °C (?)-14-15-13-11-10-6-3-5-5-5-6-5-4-5-7-9-10-9-10-10-10-17-22-21
  • 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest