Surf Forecasts:
Longnook Beach surf forecast from 13 Jun 2026:
- Most powerful swell: Saturday 13 Jun, 8PM (local time) - 1.5ft (0.5m), 8s period, SE swell with 32 kJ wave energy.
Best Forecast Surf Conditions for Longnook Beach this week:
The most powerful waves expected at Longnook Beach in the next 16 days are 0.5m 8s and forecast to arrive on Saturday (Jun 13) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Thursday (Jun 18) at 5PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Sat 13th Jun) | 1.5ft (0.5m) 8s |
Table - best surf conditions forecast for Longnook Beach over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Sun night. Warm (max 25°C on Sun afternoon, min 16°C on Sat morning). Winds increasing (light winds from the E on Sat afternoon, strong winds from the S by Sun night). | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Thu afternoon. Warm (max 21°C on Tue afternoon, min 17°C on Tue morning). Winds increasing (light winds from the WSW on Tue morning, near gales from the S by Thu afternoon). | ||||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 16 | E 16 | E 15 | E 14 | E 14 | E 14 | E 6 | E 13 | E 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 23 | 26 | 26 | 13 | 12 | 5 | 5 | 10 | 8 | 8 | 8 | 8 | 5 | 5 | 4 | 4 | 4 | 4 | 1 | 3 | 3 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:20AM2.36m | 10:33PM2.85m | 11:16AM2.41m | 11:27PM2.93m | 12:12PM2.45m | 00:21AM2.96m | 1:07PM2.47m | 1:17AM2.94m | 2:02PM2.48m | 2:13AM2.88m | 2:58PM2.47m | 3:09AM2.77m | 3:54PM2.46m | 4:07AM2.62m | |||||||
Low Tide | 4:19PM0.06m | 5:04AM-0.28m | 5:14PM0.01m | 5:58AM-0.36m | 6:07PM-0.02m | 6:52AM-0.39m | 7:02PM-0.03m | 7:46AM-0.38m | 7:57PM-0.02m | 8:39AM-0.31m | 8:53PM0.03m | 9:32AM-0.22m | 9:50PM0.10m | ||||||||
 |  |  | | |  | | | | | |  | | | |  |  | | |  |  | |
 | 5:03 | — | — | 5:03 | — | — | 5:03 | — | — | 5:03 | — | — | 5:03 | — | — | 5:03 | — | — | 5:03 | — | — |
 | — | 8:15 | — | — | 8:15 | — | — | 8:16 | — | — | 8:16 | — | — | 8:16 | — | — | 8:17 | — | — | 8:17 | — |
mm | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | 2 | — | — | 1 | 4 |
Temp °C | 17 | 20 | 22 | 24 | 25 | 21 | 19 | 21 | 21 | 19 | 21 | 19 | 19 | 20 | 18 | 19 | 21 | 21 | 18 | 20 | 19 |
Feels °C | 15 | 18 | 20 | 22 | 21 | 17 | 16 | 17 | 19 | 16 | 17 | 13 | 15 | 17 | 15 | 17 | 14 | 18 | 16 | 19 | 17 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | SSE 6 | NW 4 | S 8 | SSE 8 | E 7 | SE 7 | SSE 7 | E 6 | SE 7 | E 6 | E 6 | S 8 | SSE 9 | SSE 8 | SSE 8 |
| kJ | 23 | 26 | 26 | 13 | 12 | 5 | 26 | 2 | 49 | 23 | 8 | 13 | 15 | 3 | 11 | 3 | 1 | 191 | 84 | 40 | 28 |
Swell 2 Height (m) Direction Period (s) | SE 6 | NNW 3 | S 3 | — | — | E 6 | E 8 | E 8 | E 7 | NNE 3 | NNE 3 | E 7 | E 6 | E 16 | E 6 | E 14 | E 14 | E 14 | WNW 3 | — | E 13 |
| kJ | 10 | 1 | 2 | — | — | 1 | 5 | 10 | 8 | 2 | 1 | 8 | 3 | 5 | 3 | 4 | 4 | 4 | 2 | — | 3 |
Swell 3 Height (m) Direction Period (s) | SE 6 | NNE 3 | N 5 | S 8 | — | — | E 6 | E 7 | ESE 7 | E 7 | S 8 | E 16 | E 16 | E 16 | E 15 | E 14 | E 14 | E 6 | E 6 | E 13 | SW 8 |
| kJ | 9 | 1 | 1 | 1 | — | — | 1 | 4 | 5 | 8 | 1 | 5 | 5 | 5 | 4 | 4 | 4 | 1 | 1 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | NNW 4 | — | — | S 6 | SSW 4 | S 5 | WNW 4 | SSE 7 | N 4 | — | SSE 7 | SW 3 | — | SSE 3 | SSE 3 | SSE 4 | S 6 | — | — | SSW 4 | SW 4 |
| kJ | 7 | — | — | 6 | 28 | 62 | 12 | 35 | 6 | — | 30 | 3 | — | 7 | 2 | 24 | 184 | — | — | 19 | 6 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 82 | 148 | 145 | 1939 | 2639 | 118 | 121 | 129 | 102 | 138 | 417 | 118 | 852 | 923 | 1686 | 903 | 486 | 19 | 8 | 135 | 121 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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 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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