Buy Less, Surf More This Black Friday
Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.
- Forecast
- Maps
- Live
- Weather State
- Spot Information
Jetty Surf Forecast
/ Long Island NY (34 breaks) / New York (44 breaks) /
Surf Forecasts:
Jetty surfForecast / Long Island NY / USA
12 Day Weather and Surf, issued 12 am Sunday 07 Dec 2025 ESTForecast 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
9.6° C
(Which is slightly cooler than normal)Best Forecast Surf Conditions for Jetty this week:
The surf forecast for Jetty over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Dec 11) at 7PM. The primary swell is predicted to be 0.8m and 8s period with a secondary swell of 0.1m and 8s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Jetty in the next 12 days are 2.4m 9s and forecast to arrive on Wednesday (Dec 10) at 7PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Thursday (Dec 11) at 1AM.
| Wave Type | Time (EST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Thu 11th Dec) | 2.5ft (0.8m) 8s |
| Best Surf | 7PM (Thu 11th Dec) | 2.5ft (0.8m) 8s |
| Most Powerful | 7PM (Wed 10th Dec) | 8ft (2.4m) 9s |
Table - best surf conditions forecast for Jetty over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Mostly dry. Icy conditions (max 6°C on Tue afternoon, min -5°C on Mon morning). Winds increasing (calm on Sun morning, strong winds from the NNW by Sun night). | Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Wed afternoon. Very mild (max 10°C on Wed morning, min 2°C on Thu morning). Winds decreasing (near gales from the SW on Wed afternoon, calm by Thu night). | |||||||||||||||||||||
Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | Sat 13 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 4 | 7 | 7 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 8 | 8 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 25 | 45 | 64 | 39 | 26 | 13 | 12 | 15 | 15 | 192 | 214 | 549 | 333 | 134 | 100 | 54 | 23 | 13 | 7 | 61 | 29 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | glass | cross | cross- off | off | cross- off | cross- off | on | cross- on | cross | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | |
High Tide / height (m) | 8:55AM 1.17 | 9:28PM 0.89 | 9:47AM 1.10 | 10:22PM 0.87 | 10:41AM 1.02 | 11:18PM 0.84 | 11:35AM 0.94 | 12:15AM 0.82 | 12:32PM 0.86 | 1:13AM 0.82 | 1:30PM 0.79 | 2:10AM 0.82 | 2:28PM 0.75 | |||||||||
Low Tide / height (m) | 2:00AM -0.12 | 2:55PM -0.12 | 2:51AM -0.06 | 3:46PM -0.08 | 3:44AM 0.00 | 4:38PM -0.03 | 4:41AM 0.07 | 5:33PM 0.02 | 5:44AM 0.13 | 6:28PM 0.06 | 6:54AM 0.16 | 7:20PM 0.09 | 8:10AM 0.18 | |||||||||
Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | Sat 13 | ||||||||||||||||
| Sunrise | - | 7:00 | - | - | 7:01 | - | - | 7:01 | - | - | 7:03 | - | - | 7:03 | - | - | 7:05 | - | - | 7:05 | - | |
| Sunset | - | - | 4:22 | - | - | 4:22 | - | - | 4:22 | - | - | 4:22 | - | - | 4:22 | - | - | 4:22 | - | - | 4:22 | |
 |  | |  |  | | | | | | |  |  |  | |  | | | | | | ||
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | |
| Temp. °C | 4 | 4 | 5 | 4 | -4 | -3 | -3 | 1 | 6 | 7 | 10 | 9 | 9 | 3 | 3 | 2 | 3 | 3 | 1 | 0 | 0 | |
| Feels °C (?) | -3 | -1 | -2 | -4 | -14 | -12 | -10 | -6 | -4 | -4 | -1 | -2 | -1 | -3 | -3 | -3 | -2 | -3 | -6 | -6 | -6 | |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.
Vancouver Island’s Day Of Days With Reed Platenius
Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
5 Reasons Why Costa Rica Is A Surfer (and Non Surfer) Paradise
With or without a surfboard, Costa Rica is a bucket list destination that has shown what a nation is capable of when nature is put first.
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.
false
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 12 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.
Nearest