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Winthrop Jetty Surf Forecast
/ Massachusetts (29 breaks) / Massachusetts (28 breaks) /
Winthrop Jetty surfForecast / Massachusetts / USA
12 Day Weather and Surf, issued 7 pm Tuesday 24 Jun 2025 EDT
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 Saturday (Jun 28) at 8AM. The primary swell is predicted to be 1.4m and 6s period with a secondary swell of 1.1m and 6s. 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 1.3m 8s and forecast to arrive on Sunday (Jun 29) 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 3s period and expected on Tuesday (Jul 01) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Sat 28th Jun) | 4.5ft (1.4m) 6s |
| Best Surf | 8AM (Sat 28th Jun) | 4.5ft (1.4m) 6s |
| Most Powerful | 11AM (Sun 29th Jun) | 4.5ft (1.3m) 8s |
Table - best surf conditions forecast for Winthrop Jetty over the next 12 days.
Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | Tuesday 01 | Wednesday 02 | Thursday 03 | Friday 04 | Saturday 05 | Sun 06 | |||||||||||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | 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) (?) | 8 | 7 | 7 | 7 | 5 | 5 | 5 | 4 | 5 | 5 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 17 | 8 | 9 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 6 | 6 | 7 | 11 | 68 | 70 | 23 | 20 | 30 | 35 | 243 | 148 | 147 | 223 | 191 | 161 | 104 | 116 | 66 | 70 | 54 | 37 | 33 | 33 | 22 | 21 | 21 | 17 | 24 | 24 | 21 | 43 | 31 | 27 | 53 | 50 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross | on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross | cross- on | cross | cross | cross- on | cross | glass | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | glass | off | cross- off | cross | cross- off | cross- off | cross | cross- off | cross- on | on |
High Tide / height (m) | 11:00PM 3.44 | 11:46AM 2.88 | 11:55PM 3.43 | 12:42PM 2.88 | 12:49AM 3.37 | 1:36PM 2.88 | 1:43AM 3.29 | 2:27PM 2.86 | 2:35AM 3.17 | 3:16PM 2.83 | 3:26AM 3.02 | 4:05PM 2.80 | 4:18AM 2.87 | 4:55PM 2.76 | 5:12AM 2.71 | 5:44PM 2.74 | 6:07AM 2.58 | 6:33PM 2.73 | 7:01AM 2.47 | 7:22PM 2.73 | 7:57AM 2.41 | 8:12PM 2.75 | 8:53AM 2.39 | |||||||||||||
Low Tide / height (m) | 5:33AM -0.29 | 5:40PM 0.10 | 6:26AM -0.30 | 6:34PM 0.12 | 7:18AM -0.26 | 7:27PM 0.16 | 8:08AM -0.17 | 8:19PM 0.22 | 8:57AM -0.06 | 9:11PM 0.29 | 9:45AM 0.08 | 10:04PM 0.37 | 10:35AM 0.23 | 10:59PM 0.44 | 11:25AM 0.36 | 11:54PM 0.48 | 12:14PM 0.48 | 12:49AM 0.49 | 1:02PM 0.57 | 1:43AM 0.49 | 1:51PM 0.63 | 2:38AM 0.46 | 2:42PM 0.65 | |||||||||||||
Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | Tuesday 01 | Wednesday 02 | Thursday 03 | Friday 04 | Saturday 05 | Sun 06 | |||||||||||||||||||||||||
| Sunrise | - | 5:07 | - | - | 5:07 | - | - | 5:07 | - | - | 5:09 | - | - | 5:09 | - | - | 5:09 | - | - | 5:09 | - | - | 5:11 | - | - | 5:11 | - | - | 5:11 | - | - | 5:11 | - | - | 5:13 | - |
| Sunset | - | - | 8:23 | - | - | 8:23 | - | - | 8:23 | - | - | 8:23 | - | - | 8:23 | - | - | 8:23 | - | - | 8:23 | - | - | 8:23 | - | - | 8:23 | - | - | 8:22 | - | - | 8:22 | - | - | 8:22 |
 |  |  |  |  |  |  |  | |  | | |  | | | | | |  | | |  | |  | | | | | | | | | | | | | |
Rain (mm) | 1 | - | - | - | 3 | 7 | - | - | - | 3 | 1 | 1 | 14 | - | - | - | - | - | - | - | - | 2 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 35 | 32 | 28 | 26 | 16 | 13 | 15 | 16 | 17 | 17 | 17 | 17 | 15 | 14 | 16 | 14 | 19 | 23 | 23 | 28 | 32 | 23 | 24 | 29 | 28 | 27 | 30 | 27 | 30 | 32 | 28 | 29 | 32 | 27 | 23 | 23 |
| Feels °C (?) | 35 | 33 | 28 | 27 | 13 | 12 | 15 | 15 | 15 | 14 | 19 | 18 | 13 | 12 | 14 | 12 | 20 | 23 | 23 | 28 | 32 | 26 | 25 | 30 | 26 | 25 | 30 | 27 | 29 | 31 | 27 | 28 | 30 | 27 | 23 | 23 |
Short Range Forecast: Moderate rain (total 11mm), heaviest on Thu afternoon. Warm (max 35°C on Tue night, min 12°C on Thu afternoon). Wind will be generally light. | Days 3-6 Weather Summary Moderate rain (total 19mm), heaviest on Sat night. Warm (max 23°C on Mon afternoon, min 13°C on Sat night). Wind will be generally light. | Days 6-9 Weather Summary Light rain (total 4mm), mostly falling on Tue night. Warm (max 32°C on Tue afternoon, min 18°C on Mon night). Wind will be generally light. | Long Range Forecast: Mostly dry. Warm (max 32°C on Fri afternoon, min 22°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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