Jetty Surf Break

Lat Long: 40.79° N 72.66° W

Issued: 7 pm 26 Jun 2026 (local time)

Forecast update in  hr  min

Today's Jetty sea temperature is
18.9° C

Normal for this time of year

Jetty surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Jetty surf forecast from 27 Jun 2026:

  • Best quality surf: Monday 29 Jun, 5AM (local time) - 1.5ft (0.4m), 10s period, SE swell with cross-offshore winds.
  • Most powerful swell: Tuesday 30 Jun, 11PM (local time) - 4.5ft (1.4m), 6s period, SSW swell with 132 kJ wave energy.
  • Next surfable swell (1★+): Monday 29 Jun, 5AM (local time) - 1.5ft (0.4m), 10s period with SE swell.

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 Monday (Jun 29) at 5AM. The primary swell is predicted to be 0.4m and 10s period with a secondary swell of 0.6m and 6s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Jetty in the next 16 days are 1.4m 6s and forecast to arrive on Tuesday (Jun 30) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Mon 29th Jun)1.5ft (0.4m) 10s
Best Surf 5AM (Mon 29th Jun)1.5ft (0.4m) 10s
Most Powerful11PM (Tue 30th Jun)4.5ft (1.4m) 6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 24°C on Fri night, min 21°C on Sat night). Wind will be generally light.

Days 5-7 Weather Summary

Moderate rain (total 15mm), heaviest on Tue night. Warm (max 35°C on Thu afternoon, min 21°C on Tue night). Wind will be generally light.

Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Fri
3
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
S
6
0.6
S
5
0.4
SE
7
0.3
SE
10
0.4
SE
10
0.4
SE
10
0.6
S
7
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.9
SSW
4
1.2
SSW
6
1.1
SSW
6
0.9
SSW
6
1
S
6
0.8
S
6
0.8
SSW
6
0.8
SSW
6
0.6
S
6
0.5
S
6
Wave Graph
Metric surfscale
Energy kJ
30
20
14
15
25
35
33
32
33
32
33
34
97
82
43
76
49
46
42
24
15
Wind (km/h)
10
W
5
NW
15
SSW
10
W
5
ESE
15
SSW
10
SW
10
ESE
20
S
15
SSW
25
SW
25
SSW
25
SW
25
SW
20
SSW
20
WSW
15
NW
25
SW
10
WNW
15
NW
15
S
Wind State
cross-off
glassy
cross-on
cross-off
glassy
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross
off
cross
cross-off
off
cross-on
High Tide
6:23AM0.80m
6:44PM1.05m
7:08AM0.81m
7:26PM1.07m
7:51AM0.83m
8:08PM1.08m
8:34AM0.84m
8:49PM1.08m
9:17AM0.85m
9:31PM1.06m
9:59AM0.87m
10:12PM1.05m
10:41AM0.88m
Low Tide
00:33AM0.21m
11:38AM0.18m
1:06AM0.18m
12:22PM0.16m
1:35AM0.16m
1:05PM0.14m
2:06AM0.12m
1:48PM0.12m
2:39AM0.10m
2:29PM0.11m
3:14AM0.08m
3:11PM0.11m
3:51AM0.07m
3:54PM0.11m
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
part cloud
rain showers
light rain
rain showers
rain showers
clear
clear
rain showers
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:20
5:20
5:20
5:22
5:22
5:22
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:25
8:25
8:25
8:25
8:25
8:24
8:24
8:24
 mm
10
2
1
2
1
1
Temp °C
24
22
22
21
22
23
22
22
23
22
23
23
21
22
24
26
31
35
31
31
33
Feels °C
24
22
22
21
24
23
22
23
23
23
20
20
19
21
25
26
33
35
30
31
34
Swell 1
Height (m)
Direction
Period (s)
0.7
S
6
0.6
S
5
0.4
SE
7
0.4
SSW
6
0.4
SE
10
0.5
S
7
0.6
S
7
0.5
S
6
0.5
S
6
0.4
SE
10
0.4
SE
10
0.3
SE
8
0.4
SE
10
0.9
SSW
6
0.4
SE
10
1
S
6
0.8
S
6
0.3
SE
9
0.8
SSW
6
0.6
S
6
0.5
S
6
Energy kJ
30
20
11
11
25
21
31
19
18
32
33
10
23
47
24
76
49
13
42
24
15
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
9
0.3
SE
10
0.2
SSE
9
0.4
SE
7
0.3
SSW
6
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
S
6
0.3
SE
10
0.3
SE
8
0.3
SE
10
0.3
SE
10
0.3
SE
9
0.3
SE
9
0.3
SE
10
Energy kJ
3
15
8
12
6
35
33
32
33
11
15
10
14
14
13
14
14
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.3
SE
10
0.4
SE
6
0.2
ESE
10
Energy kJ
5
5
5
15
10
9
Wind waves
Height (m)
Direction
Period (s)
0.5
S
5
0.5
S
6
0.9
SSW
4
1.2
SSW
6
1.1
SSW
6
0.9
SSW
6
0.8
SSW
6
Energy kJ
14
17
34
97
82
43
46
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
Distance (km)
14
4
123
14
4
654
65
83
1406
75
123
274
146
97
1743
45
0
1179
4
45
867
Best forecast wave conditions in Long Island New York
Rating
(10 max)
1
1
1
1
1
1
1
1
2
1
2
1
Best forecast wave conditions in United States
Rating
(10 max)
1
3
2
1
3
1
1
1
3
1
3
1
1
2
2
2
2
1
2
2
2
Header Global
Rating
(10 max)
5
6
9
8
5
6
6
7
5
5
5
5
5
5
5
4
6
7
5
5
7
  • 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
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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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