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Green Harbor Surf Forecast
/ Massachusetts (29 breaks) / Massachusetts (28 breaks) /
Green Harbor surfForecast / Massachusetts / USA
12 Day Weather and Surf, issued 1 pm Saturday 28 Jun 2025 EDT
Best Forecast Surf Conditions for Green Harbor this week:
The most powerful waves expected at Green Harbor in the next 12 days are 0.6m 8s and forecast to arrive on Monday (Jun 30) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Friday (Jul 04) at 11AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8AM (Mon 30th Jun) | 2ft (0.6m) 8s |
Table - best surf conditions forecast for Green Harbor over the next 12 days.
Sat 28 | Sunday 29 | Monday 30 | Tuesday 01 | Wednesday 02 | Thursday 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thu 10 | ||||||||||||||||||||||||
| 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 | Night | AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 19 | 18 | 18 | 5 | 18 | 9 | 9 | 3 | 15 | 4 | 15 | 14 | 5 | 13 | 13 | 9 | 9 | 12 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 12 | 44 | 19 | 35 | 40 | 43 | 30 | 21 | 16 | 23 | 16 | 12 | 14 | 13 | 6 | 23 | 14 | 10 | 18 | 10 | 12 | 13 | 19 | 26 | 35 | 20 | 18 | 45 | 25 | 16 | 10 | 12 | 18 | 17 | 16 | 17 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | glass | cross- off | cross- off | cross- off | cross | on | on | cross- on | on | cross- on | on | on | on | cross- on | cross | cross- off | cross- off | on | glass | cross- on | on | on | on | on | cross- on | cross- off | cross- on | cross- off | off | glass | cross- off | off | cross- off | cross- off |
High Tide / height (m) | 2:29PM 2.82 | 2:41AM 3.19 | 3:19PM 2.80 | 3:33AM 3.04 | 4:09PM 2.76 | 4:24AM 2.87 | 5:00PM 2.74 | 5:18AM 2.71 | 5:50PM 2.71 | 6:13AM 2.56 | 6:42PM 2.69 | 7:09AM 2.45 | 7:33PM 2.69 | 8:06AM 2.38 | 8:23PM 2.69 | 9:01AM 2.35 | 9:12PM 2.72 | 9:52AM 2.34 | 9:59PM 2.75 | 10:38AM 2.36 | 10:43PM 2.80 | 11:21AM 2.38 | 11:25PM 2.86 | 12:02PM 2.43 | ||||||||||||
Low Tide / height (m) | 8:24PM 0.18 | 9:03AM -0.09 | 9:16PM 0.24 | 9:51AM 0.03 | 10:09PM 0.31 | 10:40AM 0.16 | 11:04PM 0.37 | 11:29AM 0.29 | 11:59PM 0.42 | 12:19PM 0.41 | 12:55AM 0.44 | 1:09PM 0.51 | 1:51AM 0.44 | 2:00PM 0.59 | 2:45AM 0.41 | 2:50PM 0.62 | 3:35AM 0.37 | 3:39PM 0.63 | 4:23AM 0.33 | 4:24PM 0.62 | 5:07AM 0.27 | 5:08PM 0.58 | 5:49AM 0.21 | |||||||||||||
Sat 28 | Sunday 29 | Monday 30 | Tuesday 01 | Wednesday 02 | Thursday 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thu 10 | ||||||||||||||||||||||||
| Sunrise | - | - | 5:09 | - | - | 5:09 | - | - | 5:09 | - | - | 5:09 | - | - | 5:11 | - | - | 5:11 | - | - | 5:11 | - | - | 5:13 | - | - | 5:13 | - | - | 5:13 | - | - | 5:15 | - | - | 5:15 |
| Sunset | 8:22 | - | - | 8:22 | - | - | 8:22 | - | - | 8:22 | - | - | 8:22 | - | - | 8:21 | - | - | 8:21 | - | - | 8:21 | - | - | 8:21 | - | - | 8:20 | - | - | 8:20 | - | - | 8:20 | - | - |
 |  |  |  |  | | |  | | | | | | | |  |  | | | | | | | | | | | | | |  |  | | | |  | |
Rain (mm) | 1 | 6 | - | - | - | - | - | - | - | - | 6 | - | - | - | - | 7 | 1 | - | - | - | - | - | - | - | - | - | - | 4 | 8 | - | 6 | 4 | - | - | - | - |
| Temp. °C | 20 | 21 | 25 | 28 | 27 | 20 | 27 | 24 | 25 | 30 | 23 | 28 | 31 | 26 | 28 | 25 | 23 | 21 | 23 | 22 | 24 | 27 | 22 | 28 | 32 | 29 | 31 | 32 | 25 | 28 | 24 | 22 | 19 | 19 | 17 | 18 |
| Feels °C (?) | 21 | 23 | 28 | 29 | 28 | 21 | 26 | 23 | 25 | 29 | 24 | 28 | 31 | 25 | 29 | 26 | 24 | 17 | 21 | 20 | 23 | 23 | 18 | 27 | 32 | 30 | 32 | 35 | 26 | 31 | 25 | 26 | 19 | 19 | 17 | 18 |
Short Range Forecast: Light rain (total 7mm), mostly falling on Sat night. Warm (max 28°C on Sun afternoon, min 18°C on Sun night). Wind will be generally light. | Days 3-6 Weather Summary Moderate rain (total 14mm), heaviest on Thu afternoon. Warm (max 31°C on Wed afternoon, min 18°C on Thu night). Wind will be generally light. | Days 6-9 Weather Summary Mostly dry. Warm (max 32°C on Sun afternoon, min 20°C on Fri night). Mainly fresh winds. | Long Range Forecast: Heavy rain (total 23mm), heaviest during Mon night. Warm (max 32°C on Mon afternoon, min 17°C on Wed night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
- Map Icons:
Break
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 Green Harbor 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 Green Harbor Surf forecast
The above surf forecast table for Green Harbor provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Green Harbor can be found by selecting the local surf guide option on the grey menu. Our Green Harbor 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 (Green Harbor) 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 Green Harbor 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.
Green Harbor is 5 km (3 miles) from Duxbury. If you plan a vacation in Massachusetts, look for hotels and other accommodation in Duxbury. Duxbury has rooms for a wide range of budgets as well as car hire and transport links.
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