Jetty surfForecast / Long Island NY / USA

information circle16 Day Weather and Surf, issued 7 am Monday 04 May 2026 EDT
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
9.7° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Jetty this week:

The surf forecast for Jetty over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (May 07) at 8AM. The primary swell is predicted to be 1.1m and 7s period with a secondary swell of 0.1m and 9s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Jetty in the next 16 days are 2.3m 8s and forecast to arrive on Tuesday (May 05) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Friday (May 08) at 8PM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Thu 7th May)3.5ft (1.1m) 7s
Best Surf 8AM (Thu 7th May)3.5ft (1.1m) 7s
Most Powerful 8PM (Tue 5th May)7.5ft (2.3m) 8s

Table - best surf conditions forecast for Jetty over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 9mm), mostly falling on Wed night. Very mild (max 14°C on Tue night, min 11°C on Mon morning). Winds decreasing (strong winds from the SSW on Tue night, light winds from the WNW by Wed night).

Days 4-6 Weather Summary

Heavy rain (total 23mm), heaviest during Sat afternoon. Very mild (max 14°C on Fri afternoon, min 8°C on Thu night). Mainly fresh winds.

Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
1
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.1
SSW
6
1.4
SSW
6
1.3
S
6
1.6
S
7
2
S
7
2.1
S
8
1.8
S
7
1.6
S
7
1.6
S
7
1.1
S
7
1.1
S
7
1
S
8
0.9
S
8
0.8
S
8
1.1
S
7
1.2
S
6
1.3
S
6
1.1
S
7
0.8
S
6
0.8
S
6
0.8
S
6
Wave Graph
Metric surfscale
Energy kJ
71
150
132
257
422
537
343
233
240
113
120
114
104
82
131
92
128
110
47
49
53
Wind (km/h)
30
SW
30
SSW
30
SSW
30
SSW
40
SSW
45
SSW
30
SSW
30
S
30
SW
10
NNW
10
W
35
NNW
30
WNW
15
WSW
25
SW
35
SSW
25
SW
15
NW
10
SSW
20
SSW
20
S
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
off
cross-off
off
cross-off
cross
cross
cross-on
cross
off
cross-on
cross-on
on
High Tide
10:02AM0.85m
10:18PM1.04m
10:45AM0.81m
11:00PM1.00m
11:30AM0.79m
11:45PM0.95m
12:18PM0.77m
00:33AM0.91m
1:11PM0.76m
1:26AM0.88m
2:07PM0.78m
2:24AM0.87m
3:04PM0.83m
3:22AM0.87m
Low Tide
3:13PM0.09m
3:56AM0.10m
3:53PM0.12m
4:37AM0.12m
4:36PM0.16m
5:21AM0.15m
5:23PM0.19m
6:10AM0.17m
6:18PM0.22m
7:03AM0.17m
7:17PM0.23m
7:56AM0.16m
8:18PM0.21m
clear
clear
part cloud
clear
clear
part cloud
cloud
light rain
rain showers
cloud
mod rain
rain showers
clear
part cloud
cloud
light rain
mod rain
clear
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:45
5:43
5:43
5:41
5:41
5:39
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:49
7:50
7:51
7:52
7:52
7:53
7:54
2
7
6
6
2
9
Temp °C
12
12
13
13
13
14
12
13
13
12
10
11
11
14
14
11
11
12
12
13
13
5
5
7
7
7
5
6
7
7
9
9
9
3
9
10
5
6
8
9
8
8
Swell 1
Height (m)
Direction
Period (s)
0.4
ESE
8
0.3
ESE
9
0.2
E
9
0.1
E
9
1.3
S
7
1.1
S
7
1.1
S
7
1
S
8
0.9
S
8
0.8
S
8
0.9
S
7
0.3
ESE
9
0.3
ESE
9
1.1
S
7
0.8
S
6
0.2
ESE
9
0.3
SE
11
Energy kJ
24
15
6
2
150
113
120
114
104
82
83
17
16
110
47
8
20
Swell 2
Height (m)
Direction
Period (s)
0.1
E
9
0.3
SE
9
0.5
SE
8
0.4
SE
8
0.4
ESE
9
0.1
SE
11
0.1
SE
11
0.2
ESE
9
0.2
ESE
9
0.3
SE
11
0.2
E
9
Energy kJ
2
12
32
16
32
5
5
8
8
19
6
Swell 3
Height (m)
Direction
Period (s)
0.1
E
12
0.1
S
13
0.1
E
9
0.1
S
14
0.1
SE
11
0.2
E
8
0.1
SE
13
0.1
SE
10
0.1
SE
12
0.1
SE
16
0.1
SE
16
Energy kJ
3
3
2
4
5
6
7
4
6
10
10
Wind waves
Height (m)
Direction
Period (s)
1.1
SSW
6
1.4
SSW
6
1.3
S
6
1.6
S
7
2
S
7
2.1
S
8
1.8
S
7
1.6
S
7
1.6
S
7
0.7
SSW
5
1.1
S
7
1.2
S
6
1.3
S
6
0.8
S
6
0.8
S
6
Energy kJ
71
150
132
257
422
537
343
233
240
19
131
92
128
49
53
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
1743
279
97
1743
1799
1406
1406
97
120
0
0
42
127
123
123
279
97
0
65
73
97
Best forecast wave conditions in Long Island New York
Rating
(10 max)
1
1
1
2
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
2
3
2
2
2
3
2
3
1
1
3
2
2
4
2
2
4
4
2
3
Header Global
Rating
(10 max)
4
5
5
5
5
5
5
9
6
5
5
5
6
5
5
9
4
4
4
9
8
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Jetty Surf forecast

The above surf forecast table for Jetty provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Jetty can be found by selecting the local surf guide option on the grey menu. Our Jetty surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Jetty) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Jetty may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Jetty is 15 km (9 miles) from Mastic. If you plan a vacation in Long Island New York, look for hotels and other accommodation in Mastic. Mastic has rooms for a wide range of budgets as well as car hire and transport links.

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