Surf Forecasts:
Long Sands surf forecast from 17 Jun 2026:
- Best quality surf: Tuesday 23 Jun, 5AM (local time) - 2ft (0.6m), 9s period, SSE swell with offshore winds.
- Most powerful swell: Thursday 18 Jun, 8PM (local time) - 7ft (2.1m), 7s period, S swell with 491 kJ wave energy.
- Next surfable swell (1★+): Tuesday 23 Jun, 5AM (local time) - 2ft (0.6m), 9s period with SSE swell.
Best Forecast Surf Conditions for Long Sands this week:
The surf forecast for Long Sands over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jun 23) at 5AM. The primary swell is predicted to be 0.6m and 9s period with a secondary swell of 0.6m and 6s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Long Sands in the next 16 days are 2.1m 7s and forecast to arrive on Thursday (Jun 18) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Monday (Jun 22) at 8PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Tue 23rd Jun) | 2ft (0.6m) 9s |
| Best Surf | 5AM (Tue 23rd Jun) | 2ft (0.6m) 9s |
| Most Powerful | 8PM (Thu 18th Jun) | 7ft (2.1m) 7s |
Table - best surf conditions forecast for Long Sands over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Thu morning. Warm (max 25°C on Fri afternoon, min 15°C on Tue night). Winds increasing (calm on Wed morning, strong winds from the SSE by Thu morning). | Days 5-7 Weather SummaryHeavy rain (total 49mm), heaviest during Mon afternoon. Warm (max 22°C on Fri night, min 14°C on Mon afternoon). Winds increasing (light winds from the S on Sun night, strong winds from the N by Mon afternoon). | ||||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tue 23 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | ESE 7 | SE 7 | E 16 | SSE 5 | SSE 6 | SSE 7 | SSE 7 | SSE 8 | SE 7 | SSE 9 | SSE 8 | SSE 8 | SSE 7 | SSE 8 | SSE 3 | S 4 | SE 5 | NE 6 | SSE 9 | SSE 8 | SE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 11 | 7 | 6 | 37 | 306 | 338 | 142 | 50 | 27 | 30 | 14 | 7 | 6 | 6 | 6 | 7 | 77 | 240 | 81 | 26 | 28 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | on | cross-on | cross-on | on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-on | cross-on | on | cross-off | cross-off | off | cross-on |
High Tide | 00:55AM3.36m | 1:43PM2.84m | 1:51AM3.29m | 2:38PM2.83m | 2:48AM3.16m | 3:35PM2.81m | 3:47AM3.00m | 4:33PM2.79m | 4:48AM2.83m | 5:29PM2.78m | 5:48AM2.67m | 6:24PM2.76m | 6:49AM2.53m | 7:18PM2.74m | |||||||
Low Tide | 7:31AM-0.45m | 7:41PM0.00m | 8:25AM-0.38m | 8:38PM0.06m | 9:20AM-0.27m | 9:38PM0.13m | 10:16AM-0.14m | 10:41PM0.20m | 11:12AM0.01m | 11:43PM0.25m | 12:06PM0.16m | 00:45AM0.28m | 1:01PM0.30m | ||||||||
 |  | |  |  |  |  | | |  | | | | | | |  | | | | | |
 | — | 5:01 | — | — | 5:01 | — | — | 5:01 | — | — | 5:01 | — | — | 5:01 | — | — | 5:01 | — | — | 5:03 | — |
 | 8:23 | — | 8:23 | — | — | 8:23 | — | — | 8:24 | — | — | 8:24 | — | — | 8:24 | — | — | 8:24 | — | — | 8:25 |
mm | — | — | — | — | 7 | 4 | 1 | — | — | — | — | — | — | — | — | 2 | 17 | 30 | 16 | — | — |
Temp °C | 19 | 19 | 20 | 18 | 16 | 20 | 22 | 22 | 25 | 22 | 21 | 20 | 16 | 19 | 21 | 19 | 15 | 14 | 16 | 22 | 24 |
Feels °C | 16 | 17 | 17 | 15 | 10 | 19 | 21 | 18 | 19 | 17 | 15 | 15 | 11 | 17 | 19 | 18 | 12 | 7 | 11 | 21 | 23 |
Swell 1 Height (m) Direction Period (s) | SSE 4 | SE 7 | E 7 | E 7 | E 7 | SE 14 | SSE 7 | SSE 8 | SE 7 | SSE 9 | SSE 8 | SSE 8 | SSE 7 | SSE 8 | SE 12 | SSE 4 | — | SE 7 | NE 6 | SSE 8 | SE 8 |
| kJ | 11 | 7 | 4 | 4 | 4 | 8 | 142 | 50 | 27 | 30 | 14 | 6 | 5 | 6 | 6 | 4 | — | 194 | 81 | 26 | 28 |
Swell 2 Height (m) Direction Period (s) | ESE 7 | E 7 | E 16 | E 15 | SE 14 | SE 14 | SE 14 | E 5 | E 6 | SE 13 | E 13 | E 12 | SE 12 | SE 12 | E 12 | SE 6 | — | ENE 6 | SSE 9 | ESE 8 | ESE 8 |
| kJ | 9 | 4 | 5 | 4 | 8 | 8 | 8 | 2 | 2 | 7 | 3 | 3 | 6 | 6 | 3 | 2 | — | 84 | 71 | 24 | 14 |
Swell 3 Height (m) Direction Period (s) | SSE 7 | E 16 | E 16 | — | — | E 14 | SE 14 | SE 14 | SE 13 | E 5 | SE 13 | SE 13 | SE 9 | — | — | E 12 | — | — | ESE 8 | NNE 5 | NE 6 |
| kJ | 5 | 5 | 5 | — | — | 4 | 8 | 7 | 7 | 1 | 7 | 7 | 3 | — | — | 3 | — | — | 37 | 3 | 1 |
Wind waves Height (m) Direction Period (s) | WSW 2 | SSE 4 | SSE 3 | SSE 5 | SSE 6 | SSE 7 | WSW 3 | SW 3 | WSW 3 | W 3 | WSW 3 | NW 3 | WNW 3 | — | SSE 3 | S 4 | SE 5 | NE 6 | WNW 4 | WNW 3 | — |
| kJ | 1 | 4 | 6 | 37 | 306 | 338 | 3 | 4 | 6 | 5 | 3 | 2 | 1 | — | 5 | 7 | 77 | 240 | 19 | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 209 | 474 | 2777 | 889 | 1769 | 669 | 23 | 27 | 206 | 198 | 209 | 206 | 213 | 259 | 474 | 482 | 544 | 462 | 32 | 11 | 139 |
Best forecast wave conditions in Maine | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- 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 Long Sands 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 Long Sands Surf forecast
The above surf forecast table for Long Sands provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Long Sands can be found by selecting the local surf guide option on the grey menu. Our Long Sands 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 (Long Sands) 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 Long Sands 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.
Long Sands is 15 km (9 miles) from Portsmouth. If you plan a vacation in Maine, look for hotels and other accommodation in Portsmouth. Portsmouth has rooms for a wide range of budgets as well as car hire and transport links.
Nearest