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Longnook Beach Surf Forecast
/ Massachusetts (29 breaks) / Massachusetts (28 breaks) /
Surf Forecasts:
Longnook Beach surfForecast / Massachusetts / USA
16 Day Weather and Surf, issued 7 am Wednesday 15 Apr 2026 EDTForecast update in hr min s Forecast update imminent
Longnook Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Longnook Beach sea temperature is
5.0° C
(Which is normal for this time of year)Best Forecast Surf Conditions for Longnook Beach this week:
The surf forecast for Longnook Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Apr 21) at 11AM. The primary swell is predicted to be 0.8m and 5s period with a secondary swell of 0.2m and 7s. Another secondary swell of 0.7m and 4s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Longnook Beach in the next 16 days are 1.3m 5s and forecast to arrive on Tuesday (Apr 21) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 6s period and expected on Wednesday (Apr 22) at 5AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Tue 21st Apr) | 2.5ft (0.8m) 5s |
| Best Surf | 11AM (Tue 21st Apr) | 2.5ft (0.8m) 5s |
| Most Powerful | 2AM (Tue 21st Apr) | 4.5ft (1.3m) 5s |
Table - best surf conditions forecast for Longnook Beach over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Light rain (total 3mm), mostly falling on Thu morning. Warm (max 21°C on Thu afternoon, min 7°C on Fri afternoon). Winds increasing (calm on Thu morning, fresh winds from the SW by Thu night). | Days 3-6 Weather Summary Moderate rain (total 18mm), heaviest on Sun afternoon. Very mild (max 12°C on Sun morning, min 2°C on Mon morning). Winds increasing (light winds from the N on Sat morning, strong winds from the WNW by Sun night). | ||||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||
| 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) (?) | 8 | 8 | 8 | 8 | 10 | 8 | 14 | 8 | 4 | 4 | 4 | 4 | 5 | 6 | 4 | 5 | 5 | 5 | 5 | 4 | 16 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 7 | 7 | 7 | 6 | 9 | 6 | 4 | 6 | 10 | 10 | 14 | 10 | 15 | 10 | 34 | 73 | 25 | 85 | 31 | 7 | 5 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- off | off | off | off | cross | on | on | cross- on | cross | cross- off | off | cross- off | cross- off | cross | cross | cross | off | off | off |
High Tide / height (m) | 10:28AM 2.44 | 10:50PM 2.54 | 11:15AM 2.52 | 11:33PM 2.70 | 12:02PM 2.58 | 12:16AM 2.82 | 12:50PM 2.59 | 1:02AM 2.89 | 1:39PM 2.56 | 1:50AM 2.89 | 2:30PM 2.49 | 2:41AM 2.84 | 3:25PM 2.40 | 3:36AM 2.73 | |||||||
Low Tide / height (m) | 4:37PM 0.03 | 5:03AM -0.09 | 5:21PM -0.06 | 5:50AM -0.24 | 6:06PM -0.11 | 6:37AM -0.35 | 6:51PM -0.12 | 7:26AM -0.40 | 7:39PM -0.09 | 8:16AM -0.37 | 8:29PM -0.02 | 9:09AM -0.29 | 9:22PM 0.08 | ||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||
| Sunrise | 6:00 | - | - | 5:58 | - | - | 5:56 | - | - | 5:54 | - | - | 5:54 | - | - | 5:52 | - | - | 5:50 | - | - |
| Sunset | - | 7:20 | - | - | 7:21 | - | - | 7:22 | - | - | 7:23 | - | - | 7:24 | - | - | 7:25 | - | - | 7:27 | - |
 |  |  |  |  |  | | | | | | | |  |  | | |  | | | | |
Rain (mm) | - | - | 1 | 2 | - | - | - | - | - | - | - | - | 2 | 15 | 1 | - | - | - | - | - | 1 |
| Temp. °C | 18 | 9 | 13 | 16 | 21 | 16 | 18 | 9 | 11 | 9 | 9 | 9 | 12 | 8 | 6 | 3 | 5 | 6 | 4 | 6 | 9 |
| Feels °C (?) | 15 | 6 | 12 | 14 | 18 | 10 | 17 | 3 | 9 | 6 | 5 | 5 | 7 | 1 | -2 | -5 | -1 | -1 | -3 | -1 | -1 |
- 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 Longnook Beach 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 Longnook Beach Surf forecast
The above surf forecast table for Longnook Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Longnook Beach can be found by selecting the local surf guide option on the grey menu. Our Longnook Beach 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 (Longnook Beach) 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 Longnook Beach 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.
Longnook Beach is 27 km (17 miles) from Brewster. If you plan a vacation in Massachusetts, look for hotels and other accommodation in Brewster. Brewster has rooms for a wide range of budgets as well as car hire and transport links.
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