Jetty Surf Break

Lat Long: 40.79° N 72.66° W

Jetty Surf Forecast and Surf Report

Issued: 7 pm 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Jetty sea temperature is
22.5°C
1.6° 

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


Jetty surf forecast from 9 Sep 2026:

  • Best quality surf: Thursday 10 Sep, 11PM (local time) - 3ft (0.9m), 7s period, SSW swell with offshore winds.
  • Most powerful swell: Thursday 10 Sep, 11AM (local time) - 5.5ft (1.7m), 7s period, SSW swell with 256 kJ wave energy.
  • Next surfable swell (1★+): Thursday 10 Sep, 11PM (local time) - 3ft (0.9m), 7s period with SSW 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 Thursday (Sep 10) at 11PM. The primary swell is predicted to be 0.9m and 7s period with a secondary swell of 0.3m and 10s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Jetty in the next 16 days are 1.7m 7s and forecast to arrive on Thursday (Sep 10) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Friday (Sep 11) at 5AM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Thu 10th Sep)3ft (0.9m) 7s
Best Surf11PM (Thu 10th Sep)3ft (0.9m) 7s
Most Powerful11AM (Thu 10th Sep)5.5ft (1.7m) 7s

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


The Lowdown

Alright folks, Rusty here. Let’s have a look at what’s cookin’ at Jetty over the next couple of weeks. Gotta be straight with you – it’s a grim stretch. The first two weeks are basically a write-off. We’re looking at a solid stretch of poor conditions from Wednesday the 9th right through to Monday the 21st. Breaks are barely breaking and when they do, the wind has got 'em all chewed up. There’s a little flicker of hope right at the end of the window, but you’ll need patience.

So, from Wednesday the 9th right through to Monday the 21st of September, it's a desert. The swell energy is a paltry (10) on Wednesday morning, just a tiny 0.7ft SSE pulse with a messy 8-second period. The cross-on wind from the SSW at 12 mph is making a mess of it. That pattern hangs around, with the wind getting up to a fresh 22 mph on Wednesday afternoon and the swell period dropping to a horrible 4 seconds – that’s just wind slop. Thursday the 10th sees a bump in energy to (411) with a 6ft SSW swell, but the cross-shore wind at 19 mph just chops it to pieces. Not a single decent wave in the lot.

Now, a bit of good news for the locals who know how to wait. Tuesday the 22nd of September is where things start to whisper. The swell drops right back to a clean, small 3ft from the ESE, but the wind turns offshore from the NNW at only 6 mph. That’s glassy, clean conditions. The combined energy is still weak at (77), and the period is a modest 8 seconds, but for a little longboard or a foamie, that’s actually surfable. Not a standout, just the first breath of life.

Then, stick with me, because the real standout pops up on Thursday the 24th of September. This is the one to circle on the calendar. We get a solid 2ft swell, but it’s arriving on a very long 17-second period from the SSE (combined energy of 270). That’s groundswell, folks. The wind is clean, cross-off from the NNE at 12 mph, leaving the surface smooth. Now, a long period like that at a breakwater like Jetty can sometimes mean the sets are a bit fat and infrequent, but it also means proper energy and shape. This is the best window we’ve got – a promising but distant flicker of quality. Keep your fingers crossed the forecast holds.

Overall, it’s a tough outlook. The first two weeks are a total dud. If you’re desperate, the 22nd offers a tiny, clean wave for the patient. But the one to wait for is that 24th of September – it’s got the makings of something genuinely good. Just don’t expect a crowd; with conditions this poor for so long, everyone else has probably given up.

Rusty.

Short Range Forecast

Light rain (total 2mm), mostly falling on Thu morning. Warm (max 27°C on Thu afternoon, min 20°C on Fri morning). Winds increasing (light winds from the SSW on Wed morning, strong winds from the SW by Wed night).

Days 5-7 Weather Summary

Light rain (total 2mm), mostly falling on Sun afternoon. Warm (max 23°C on Mon afternoon, min 18°C on Sat morning). Wind will be generally light.

Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
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
1
0
0
0
0
0
0
0
0
1
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
SSE
9
0.2
SSE
8
0.8
SSW
4
1.5
SSW
6
1.7
SSW
7
1.4
SSW
7
0.8
S
7
0.6
S
6
0.6
S
6
0.5
S
6
0.3
SE
9
0.3
SE
9
0.4
SE
10
0.9
SSE
5
0.9
SSE
6
1
SSE
6
0.7
SSE
6
0.4
SE
9
0.4
SE
9
Wave Graph
Metric surfscale
Energy kJ
8
7
19
167
256
181
56
28
30
20
14
14
24
37
55
66
29
26
20
Wind (km/h)
15
WSW
20
SSW
35
SSW
40
SW
30
WSW
20
WSW
15
NNE
25
NNW
15
NNW
10
N
5
E
10
SSE
15
S
10
E
10
SE
5
ESE
5
ESE
10
ESE
15
WSW
Wind State
cross
cross-on
cross-on
cross-on
cross
cross
cross-off
off
off
cross-off
cross-on
on
cross-on
cross-on
cross-on
glassy
cross-on
cross-on
cross
High Tide
6:35AM1.05m
6:58PM1.18m
7:24AM1.11m
7:45PM1.18m
8:09AM1.16m
8:30PM1.16m
8:53AM1.17m
9:14PM1.12m
9:36AM1.16m
9:57PM1.06m
10:20AM1.13m
10:40PM0.99m
Low Tide
00:22AM0.08m
12:27PM0.07m
1:08AM0.04m
1:19PM0.04m
1:47AM0.01m
2:04PM0.02m
2:22AM0.01m
2:44PM0.02m
2:55AM0.02m
3:22PM0.05m
3:29AM0.05m
3:59PM0.09m
4:04AM0.09m
part cloud
part cloud
part cloud
part cloud
rain showers
part cloud
light rain
clear
clear
clear
clear
part cloud
cloud
cloud
light rain
rain showers
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:24
6:26
6:26
6:28
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:12
7:09
7:07
7:07
7:05
7:02
7:01
 mm
1
1
1
1
Temp °C
24
23
23
23
23
27
26
20
24
22
19
20
22
19
19
20
22
23
24
Feels °C
21
22
22
19
20
27
25
16
19
19
18
18
22
18
18
21
24
26
27
  • 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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