Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

Jetty surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 12 am 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 6AM is: 1.0m 8s primary swell from a South direction and 0.6m 6s secondary swell from a Southwest direction (forecast issued at 12:00am January 20). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EST) & DateWave HeightWave Period
Morning (20 Jan)2.5ft (0.8m)8s
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 
12 DaysHourly
Print Table
Tuesday
20
Wednesday
21
Thursday
22
10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM
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
See all maps
Wave Height (m) & direction (?)
1.3
S
1.2
S
1.1
S
0.9
S
0.7
S
0.6
S
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
1.4
SSW
1.7
S
1.9
SSW
1.9
SSW
1.7
SSW
1.9
SSW
1.3
SSW
1.2
SSW
1.4
SW
Period(s) (?)9998888998888910677777777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2802291841136647322726242424242645126262335375302382172136183
Wind
(km/h)
35
W
35
W
30
WNW
30
WNW
30
W
35
WNW
30
WNW
25
W
25
W
20
W
20
W
20
W
20
WSW
30
SW
35
SSW
40
SSW
40
SW
45
SW
30
SW
30
WSW
35
WSW
30
WSW
30
WSW
30
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscross-
on		cross-
on		cross-
on		crosscrosscrosscrosscrosscrosscross
High Tide
/ height (m)
8:07PM
0.80
8:22AM
0.98
8:48PM
0.83
9:03AM
0.96
9:30PM
0.86
9:44AM
0.93
Low Tide
/ height (m)
1:27AM
-0.07
2:05PM
-0.11
2:10AM
-0.09
2:43PM
-0.13
2:54AM
-0.09
3:22PM
-0.14
Tuesday
20
Wednesday
21
Thursday
22
Sunrise----7:09-------7:09-------7:09---
Sunset------4:52-------4:53-------4:54-
cloud
cloud
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C1-2-5-6-7-7-5-5-6-7-8-8-5-30455534555
Feels °C (?)-9-11-14-15-16-17-15-14-14-15-16-15-12-12-10-6-5-6-4-6-5-3-3-3
  • 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

The World’s Most Inconsistent Waves
Ben Mondy

The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

Read more

Read more

Discover more articles and updates in the Greenroom.

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.

View detailed surf forecast for Jetty at:
surf-forecast.com

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest