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Winthrop Jetty Surf Forecast
/ Massachusetts (29 breaks) / Massachusetts (28 breaks) /
Surf Forecasts:
Winthrop Jetty surfForecast / Massachusetts / USA
12 Day Weather and Surf, issued 6 am Monday 02 Mar 2026 ESTForecast update in hr min s Forecast update imminent
Winthrop Jetty surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Winthrop Jetty sea temperature is
1.9° C
(Which is 1.5°C colder than average for this time of year)Best Forecast Surf Conditions for Winthrop Jetty this week:
The surf forecast for Winthrop Jetty over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Mar 03) at 10PM. The primary swell is predicted to be 0.8m and 5s period with a secondary swell of 0.5m and 4s. Another secondary swell of 0.2m and 9s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Winthrop Jetty in the next 12 days are 2.2m 8s and forecast to arrive on Friday (Mar 06) at 7PM. 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 Saturday (Mar 07) at 4PM.
| Wave Type | Time (EST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Tue 3rd Mar) | 2.5ft (0.8m) 5s |
| Best Surf | 10AM (Sat 7th Mar) | 5ft (1.5m) 8s |
| Most Powerful | 7PM (Fri 6th Mar) | 7ft (2.2m) 8s |
Table - best surf conditions forecast for Winthrop Jetty over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast A light covering of new snow mostly falling on Tue afternoon. Becoming milder with light rain (total 2mm) on Tue night. Icy conditions (max 7°C on Wed afternoon, min -11°C on Mon morning). Wind will be generally light. | Days 3-6 Weather Summary A moderate fall of snow, heaviest on Thu night. Icy conditions (max 9°C on Sat night, min -1°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 02 | Tuesday 03 | Wednesday 04 | Thursday 05 | Friday 06 | Saturday 07 | Sunday 08 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 6 | 5 | 8 | 7 | 9 | 6 | 8 | 8 | 12 | 12 | 12 | 10 | 6 | 7 | 8 | 8 | 8 | 8 | 9 | 8 | 8 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 31 | 12 | 10 | 10 | 8 | 28 | 23 | 22 | 46 | 27 | 46 | 34 | 219 | 355 | 439 | 313 | 239 | 138 | 73 | 52 | 34 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | glass | cross- off | cross- off | cross | cross- off | cross- off | glass | cross- off | cross | cross- on | on | cross- on | cross- on | cross- on | glass | cross | cross- off | cross- off | cross- off | glass |
High Tide / height (m) | 10:12AM 3.11 | 10:44PM 2.90 | 11:00AM 3.12 | 11:28PM 2.97 | 11:47AM 3.09 | 12:09AM 2.99 | 12:31PM 3.01 | 12:49AM 2.98 | 1:13PM 2.90 | 1:28AM 2.94 | 1:54PM 2.76 | 2:07AM 2.87 | 2:37PM 2.60 | 2:49AM 2.77 | |||||||
Low Tide / height (m) | 4:29PM -0.18 | 4:43AM -0.06 | 5:14PM -0.19 | 5:30AM -0.12 | 5:56PM -0.15 | 6:14AM -0.12 | 6:36PM -0.06 | 6:58AM -0.09 | 7:16PM 0.06 | 7:40AM -0.00 | 7:56PM 0.20 | 8:24AM 0.12 | 8:38PM 0.35 | ||||||||
Monday 02 | Tuesday 03 | Wednesday 04 | Thursday 05 | Friday 06 | Saturday 07 | Sunday 08 | |||||||||||||||
| Sunrise | 6:18 | - | - | 6:16 | - | - | 6:13 | - | - | 6:13 | - | - | 6:11 | - | - | 6:09 | - | - | 6:07 | - | - |
| Sunset | - | 5:34 | - | - | 5:35 | - | - | 5:36 | - | - | 5:37 | - | - | 5:38 | - | - | 5:39 | - | - | 5:40 | - |
 | |  |  |  |  | | |  | | |  |  | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 6 |
| Temp. °C | -7 | -3 | -4 | -2 | 0 | 3 | 5 | 7 | 6 | 1 | 1 | 2 | -1 | -1 | 0 | 0 | 1 | 9 | 16 | 18 | 10 |
| Feels °C (?) | -11 | -6 | -9 | -7 | -4 | -1 | 2 | 5 | 4 | -2 | -3 | -3 | -8 | -8 | -3 | -2 | -2 | 4 | 14 | 18 | 9 |
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Ocean Swells (m)- Wind Speed (km/h)
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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 Winthrop 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 Winthrop Jetty Surf forecast
The above surf forecast table for Winthrop Jetty provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Winthrop Jetty can be found by selecting the local surf guide option on the grey menu. Our Winthrop 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 (Winthrop 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 Winthrop 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.
Winthrop Jetty is 4 km (2 miles) from Winthrop. If you plan a vacation in Massachusetts, look for hotels and other accommodation in Winthrop. Winthrop has rooms for a wide range of budgets as well as car hire and transport links.
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