Surf Forecasts:
Jetty surf forecast from 20 Jul 2026:
- Best quality surf: Wednesday 22 Jul, 11PM (local time) - 7ft (2.1m), 9s period, S swell with cross-offshore winds.
- Most powerful swell: Wednesday 22 Jul, 8PM (local time) - 8ft (2.5m), 9s period, S swell with 963 kJ wave energy.
- Next surfable swell (1★+): Wednesday 22 Jul, 11PM (local time) - 7ft (2.1m), 9s period with S 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 Wednesday (Jul 22) at 11PM. The primary swell is predicted to be 2.1m and 9s period. 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 2.5m 9s and forecast to arrive on Wednesday (Jul 22) 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 0.4m 3s period and expected on Thursday (Jul 23) at 5AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Wed 22nd Jul) | 7ft (2.1m) 9s |
| Best Surf | 11PM (Wed 22nd Jul) | 7ft (2.1m) 9s |
| Most Powerful | 8PM (Wed 22nd Jul) | 8ft (2.5m) 9s |
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 on the cards for the Jetty.
This is a bit of a frustrating outlook, to be honest. We’ve got a solid 16-day window, but for the first week and a half, it’s a real struggle to find anything worth paddling out for. The wind is just a mess, mostly onshore or cross-on, and the swell is either weak or just too messy. We’re looking at a long gap of pretty poor conditions from now right through until the end of July.
The first time we get a real chance is on the morning of Thursday, July 23rd. A clean NNW offshore wind is blowing, and that’s a huge plus. The swell is a solid 6ft from the S, with a combined energy of 495 (moderate). The period is 9 seconds, which is alright, but it’s a bit short for a proper groundswell. Still, with that offshore wind, the Jetty will be the cleanest it’s been all outlook. The water temp is sitting at 72°F, which is about normal for this time of year.
After that, it’s back to the doldrums. The morning of Friday, July 24th is glassy, but the swell has dropped to a tiny 2ft from the SE with a weak energy of 90. It’s surfable, but you’ll be scratching for anything. That’s the best of a bad bunch for a while.
Looking way out, we get a late burst of hope. The morning of Sunday, August 2nd is looking like the real standout. The wind goes glassy, absolute zero, and the swell is a much more substantial 5ft from the S, with a combined energy of 220 (moderate). That’s the kind of clean, glassy morning that makes the Jetty come alive. It’s a long way off, so take it with a grain of salt, but it’s the only time in the whole run where all the elements are lining up. The afternoon gets a bit bumpy as the wind picks up, but that morning is the one to circle.
Rusty.
Short Range ForecastHeavy rain (total 23mm), heaviest during Tue night. Warm (max 26°C on Wed night, min 19°C on Mon morning). Winds increasing (light winds from the ENE on Mon morning, fresh winds from the SE by Tue afternoon). | Days 4-6 Weather SummaryMostly dry. Warm (max 24°C on Thu afternoon, min 17°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | S 7 | S 7 | S 7 | SSE 5 | SSE 6 | S 6 | S 8 | S 8 | S 9 | S 9 | SSE 8 | S 8 | SE 7 | SE 7 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 53 | 34 | 34 | 44 | 135 | 143 | 576 | 587 | 619 | 495 | 277 | 135 | 49 | 59 | 69 | 65 | 64 | 79 | 67 | 71 | 54 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | on | cross-on | on | on | cross | cross | cross-on | cross-off | off | cross-off | glassy | glassy | cross-on | cross-on | cross-on | on | glassy | cross-on | on | cross-on |
High Tide | 1:06PM1.00m | 1:23AM0.90m | 2:00PM0.97m | 2:18AM0.83m | 2:55PM0.95m | 3:16AM0.78m | 3:51PM0.95m | 4:14AM0.76m | 4:45PM0.97m | 5:08AM0.76m | 5:34PM0.99m | 5:58AM0.78m | 6:19PM1.02m | ||||||||
Low Tide | 6:45PM0.20m | 6:56AM0.14m | 7:43PM0.25m | 7:42AM0.19m | 8:45PM0.29m | 8:30AM0.22m | 9:55PM0.30m | 9:20AM0.23m | 11:10PM0.28m | 10:13AM0.23m | 00:06AM0.26m | 11:06AM0.22m | 00:43AM0.22m | ||||||||
 | |  |  |  |  |  |  | | | | | | | | | | | | | | |
 | 5:35 | — | — | 5:35 | — | — | 5:37 | — | — | 5:37 | — | — | 5:39 | — | — | 5:39 | — | — | 5:41 | — | — |
 | — | 8:16 | — | — | 8:15 | — | — | 8:15 | — | — | 8:15 | — | — | 8:14 | — | — | 8:13 | — | — | 8:12 | — |
mm | — | — | — | — | 4 | 15 | — | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 22 | 22 | 22 | 23 | 23 | 24 | 25 | 26 | 20 | 24 | 23 | 21 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
Feels °C | 19 | 19 | 21 | 20 | 23 | 25 | 23 | 24 | 25 | 16 | 22 | 22 | 21 | 20 | 19 | 22 | 20 | 20 | 21 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | SSW 6 | SE 12 | S 11 | S 8 | — | S 9 | S 9 | SSE 8 | S 8 | SE 7 | SE 7 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 |
| kJ | 53 | 34 | 34 | 8 | 5 | 2 | 401 | — | 619 | 495 | 277 | 135 | 49 | 59 | 69 | 65 | 64 | 79 | 67 | 71 | 54 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 8 | SE 12 | — | — | — | — | — | — | NNE 4 | SE 7 | S 8 | S 7 | SSW 7 | S 6 | S 6 | S 6 | — | — | — |
| kJ | 6 | 6 | 3 | 6 | — | — | — | — | — | — | 1 | 54 | 41 | 26 | 9 | 1 | 1 | 1 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | SE 8 | SE 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 3 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SSE 3 | SSE 5 | SSE 6 | S 6 | S 8 | S 8 | — | NNE 3 | — | — | NNE 3 | — | — | — | ESE 3 | — | — | — | — |
| kJ | — | — | 3 | 44 | 135 | 143 | 576 | 587 | — | 3 | — | — | 1 | — | — | — | 4 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 14 | 626 | 324 | 1170 | 1170 | 97 | 97 | 97 | 57 | 0 | 0 | 0 | 0 | 97 | 65 | 14 | 763 | 0 | 120 | 1323 | 75 |
Best forecast wave conditions in Long Island New York | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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.
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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