Surf Forecasts:
Horseneck Beach surf forecast from 18 Aug 2026:
- Most powerful swell: Monday 24 Aug, 5PM (local time) - 3ft (0.9m), 6s period, SSW swell with 60 kJ wave energy.
Best Forecast Surf Conditions for Horseneck Beach this week:
The most powerful waves expected at Horseneck Beach in the next 16 days are 0.9m 6s and forecast to arrive on Monday (Aug 24) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Friday (Aug 21) at 11AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5PM (Mon 24th Aug) | 3ft (0.9m) 6s |
Table - best surf conditions forecast for Horseneck Beach over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s take a real hard look at what’s coming for the next couple of weeks.
Truth is, it’s a pretty grim stretch for Horseneck Beach. The first week and a half is basically a write-off. From Tuesday the 18th all the way through the morning of Friday the 28th, we’re looking at a long, dry gap with nothing worth paddling out for. The swell is tiny, the periods are short, and the wind is all over the place – mostly cross or onshore junk. There’s just no energy in the water (combined swell energy values stay in the single digits or low double digits during this whole period). Don’t even bother waxing the board.
Then, finally, on Friday morning the 28th, we get a little spark. A 3ft south swell with an 8-second period rolls in, and a light NNW offshore wind is blowing. That’s clean. The combined energy jumps to 138 (moderate). It’s not huge, but after all that flatness, it’s the first real chance you’ve got. The water temperature is about 71°F, which is pretty normal for this time of year, so no wetsuit drama.
The afternoon of the 28th gets a bit bigger, with 5ft south swell, but the wind swings cross-shore and the period is still short. That’s a bit lumpy and looks more interesting for the kite crew than paddle surfers.
Saturday morning the 29th is your other standout. A clean 3ft south swell with a light offshore wind from the north, and the combined energy is 103 (moderate). The water is still fine. It’s a small, clean little window that’s worth a dawny.
After that, it fades back into the doldrums. Sunday the 30th and Monday the 31st are back to tiny, weak swell with cross and onshore winds. The first few days of September look the same – small, short-period SSE swells with cross winds, just not enough to get excited about.
So, the only real standouts are Friday morning the 28th and Saturday morning the 29th. They’re not world-class, but they’re the only clean windows in a long, flat spell. Keep your expectations low, and you might just have a fun little session.
Rusty.
Short Range ForecastSome drizzle, heaviest during Wed morning. Warm (max 25°C on Tue morning, min 21°C on Tue morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Sun night. Warm (max 25°C on Fri afternoon, min 18°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||
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) | S 7 | S 7 | S 7 | S 6 | S 6 | SSE 6 | S 6 | SSW 5 | S 5 | S 5 | S 5 | S 14 | S 13 | E 4 | S 13 | S 12 | SSE 6 | S 6 | S 6 | SSW 6 | SSW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 50 | 37 | 24 | 20 | 27 | 6 | 6 | 5 | 2 | 3 | 3 | 4 | 3 | 5 | 3 | 3 | 6 | 22 | 41 | 60 | 43 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross-on | cross-on | cross-off | off | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | glassy | on | cross-on | cross-off | cross | off |
High Tide | 1:01PM0.99m | 1:20AM0.80m | 1:51PM0.92m | 2:10AM0.74m | 2:43PM0.86m | 3:03AM0.70m | 3:41PM0.82m | 4:02AM0.68m | 4:45PM0.81m | 5:04AM0.70m | 5:45PM0.83m | 6:00AM0.74m | 6:32PM0.87m | ||||||||
Low Tide | 6:50PM0.21m | 6:41AM0.16m | 7:50PM0.27m | 7:31AM0.21m | 9:20PM0.29m | 8:34AM0.24m | 10:39PM0.28m | 9:47AM0.24m | 11:30PM0.25m | 10:53AM0.22m | 00:12AM0.21m | 11:48AM0.17m | 00:52AM0.16m | ||||||||
 | |  |  |  |  | | | | | | | |  |  |  | |  | | | | |
 | 5:54 | — | — | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — | 5:58 | — | — | 6:00 | — | — | 6:01 | — | — |
 | — | 7:38 | — | — | 7:37 | — | — | 7:36 | — | — | 7:35 | — | — | 7:32 | — | — | 7:31 | — | — | 7:30 | — |
mm | — | — | — | 1 | — | — | — | — | — | — | — | — | — | 1 | 2 | — | 1 | 4 | — | — | — |
Temp °C | 25 | 24 | 23 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 25 | 21 | 21 | 21 | 18 | 19 | 21 | 22 | 22 | 25 | 24 |
Feels °C | 27 | 26 | 24 | 26 | 25 | 24 | 26 | 25 | 25 | 24 | 24 | 21 | 20 | 20 | 17 | 21 | 23 | 26 | 20 | 21 | 22 |
Swell 1 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 6 | S 10 | SSW 4 | S 6 | SE 6 | S 5 | S 5 | S 5 | S 5 | S 5 | SE 9 | E 4 | SE 6 | SSE 6 | S 6 | S 6 | S 11 | SSW 6 |
| kJ | 50 | 37 | 24 | 20 | 2 | 5 | 6 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 1 | 2 | 6 | 22 | 41 | 3 | 43 |
Swell 2 Height (m) Direction Period (s) | S 13 | — | S 11 | S 10 | SE 9 | SSE 6 | SE 7 | S 9 | SE 6 | SE 8 | SE 8 | SE 8 | SE 8 | — | SE 8 | S 12 | S 12 | S 12 | S 12 | — | S 11 |
| kJ | 3 | — | 2 | 2 | 3 | 6 | 2 | 1 | 2 | 3 | 3 | 3 | 3 | — | 2 | 3 | 3 | 3 | 3 | — | 2 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 12 | SE 11 | — | — | S 9 | S 5 | SE 9 | SW 4 | — | — | S 14 | S 13 | S 13 | S 13 | S 8 | S 8 | — | — | — | — |
| kJ | 3 | 3 | 5 | — | — | 2 | 1 | 3 | 1 | — | — | 4 | 3 | 3 | 3 | 1 | 1 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 4 | — | — | SSW 2 | S 6 | — | SSW 6 | SSW 5 | — | NE 3 | NE 3 | E 3 | ENE 3 | E 4 | NNE 2 | ENE 3 | NE 3 | — | — | SSW 6 | — |
| kJ | 2 | — | — | 1 | 27 | — | 6 | 5 | — | 4 | 2 | 1 | 3 | 5 | 1 | 3 | 2 | — | — | 60 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 20 | 37 | 39 | 83 | 149 | 101 | 101 | 149 | 101 | 575 | 143 | 158 | 485 | 723 | 117 | 101 | 83 | 39 | 37 | 101 | 37 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Horseneck Beach Surf forecast
The above surf forecast table for Horseneck Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Horseneck Beach can be found by selecting the local surf guide option on the grey menu. Our Horseneck 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 (Horseneck 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 Horseneck 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.
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