Surf Forecasts:
Horseneck Beach surf forecast from 12 Aug 2026:
- Best quality surf: Monday 17 Aug, 5AM (local time) - 4ft (1.2m), 7s period, SSW swell with cross-offshore winds.
- Most powerful swell: Monday 17 Aug, 5AM (local time) - 4ft (1.2m), 7s period, SSW swell with 135 kJ wave energy.
- Next surfable swell (1★+): Monday 17 Aug, 2AM (local time) - 3.5ft (1.1m), 6s period with S swell.
Best Forecast Surf Conditions for Horseneck Beach this week:
The surf forecast for Horseneck Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 17) at 2AM. The primary swell is predicted to be 1.1m and 6s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Horseneck Beach in the next 16 days are 1.2m 7s and forecast to arrive on Monday (Aug 17) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 2s period and expected on Friday (Aug 14) at 5AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Mon 17th Aug) | 3.5ft (1.1m) 6s |
| Best Surf | 5AM (Mon 17th Aug) | 4ft (1.2m) 7s |
| Most Powerful | 5AM (Mon 17th Aug) | 4ft (1.2m) 7s |
Table - best surf conditions forecast for Horseneck Beach over the next 16 days.
The Lowdown
G’day, I’m Rusty.
Look, I’ll be straight with you – Horseneck Beach (Horseneck-Beach) is a beginner-friendly sandbar setup that’s fairly consistent, but this 16-day run is a tough watch. The water’s sitting at 74°, which is a touch warmer than normal for this time of year, so at least you won’t be freezing while you’re staring at flat lines.
The overall pattern is grim. For the first stretch, from Wednesday 12 August right through to the end of Sunday 16 August, there’s nothing worth paddling for. Swell is tiny – mostly 0.7ft to 2ft – and the wind is all over the place: cross-onshore, choppy, lumpy. The combined wave energy is barely registering, mostly in the single digits to low teens (8 to 37). It’s a full five-day blank run with zero surfable options.
Then Monday 17 August morning gives us a tiny flicker. Swell bumps up to 3ft from the S with a 7-second period, and the combined energy finally cracks triple digits at 106 – that’s moderate energy. Wind is light from the NW, cross-offshore, and it’s clean. The data says "surfable waves but very ordinary conditions," and honestly, that’s being generous. It’s the best of a bad lot, but only just. After that, it’s back to the same story: small, weak, messy surf through to the end of the month. Swell never gets above 3ft again until Tuesday 25 August morning, when we see 5ft from the SW at 6 seconds, with 196 combined energy – moderate again – but the wind is cross-onshore and rippled. Not a standout.
There is no single standout window worth shouting about. If you’re desperate, Monday 17 August morning is your best bet: 3ft swell, clean conditions, light offshore wind. It’s tiny, but it’s the only morning with clean surf and any energy behind it. After that, Thursday 27 August morning goes glassy with a 2ft SSE swell at 6 seconds and 43 energy – tiny and weak, but glassy is glassy.
Overall, this is a long, flat, ordinary stretch. Horseneck is a beginner spot anyway, so if you’re learning, the tiny clean windows might be enough for a practice session. But don’t expect any real waves.
Rusty.
Short Range ForecastModerate rain (total 16mm), heaviest on Wed night. Warm (max 27°C on Fri afternoon, min 17°C on Sat morning). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 9mm), mostly falling on Sun afternoon. Warm (max 27°C on Mon afternoon, min 18°C on Mon night). Winds decreasing (fresh winds from the S on Sun night, calm by Mon afternoon). | |||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||
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) | SSW 5 | SW 4 | SSW 4 | SSW 4 | SSW 5 | SSW 5 | SW 5 | SSW 5 | S 6 | S 6 | S 7 | SSW 6 | SSW 4 | S 6 | S 7 | SSW 7 | S 7 | S 7 | S 6 | S 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 5 | 9 | 16 | 11 | 9 | 5 | 6 | 4 | 3 | 6 | 8 | 22 | 15 | 85 | 106 | 67 | 52 | 33 | 19 | 18 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross | cross-on | off | off | cross-off | off | cross-off | cross-on | cross | cross-on | cross-on | cross-off | cross-off | on | cross-off | cross | cross-on | cross |
High Tide | 8:36PM1.21m | 8:59AM1.17m | 9:23PM1.19m | 9:48AM1.19m | 10:10PM1.13m | 10:36AM1.17m | 10:57PM1.06m | 11:24AM1.12m | 11:44PM0.97m | 12:13PM1.06m | 00:31AM0.88m | 1:01PM0.99m | 1:20AM0.80m | |||||||
Low Tide | 2:06PM-0.04m | 3:09AM-0.02m | 3:00PM-0.04m | 3:44AM-0.03m | 3:49PM-0.02m | 4:16AM-0.02m | 4:34PM0.03m | 4:48AM0.01m | 5:18PM0.08m | 5:22AM0.05m | 6:02PM0.15m | 5:59AM0.11m | 6:50PM0.21m | |||||||
 |  |  |  |  |  | |  | | |  |  |  | | |  | | | | | |
 | — | — | 5:50 | — | — | 5:50 | — | — | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — |
 | 7:47 | — | — | 7:46 | — | — | 7:45 | — | — | 7:44 | — | — | 7:42 | — | — | 7:40 | — | — | 7:38 | — |
mm | — | 5 | 7 | 3 | 1 | — | — | — | — | — | — | — | 2 | 5 | — | 2 | — | — | — | — |
Temp °C | 25 | 24 | 21 | 23 | 24 | 23 | 27 | 25 | 21 | 22 | 21 | 21 | 22 | 23 | 26 | 27 | 24 | 23 | 23 | 22 |
Feels °C | 24 | 23 | 20 | 25 | 24 | 20 | 23 | 22 | 19 | 20 | 19 | 19 | 19 | 23 | 28 | 29 | 25 | 23 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | SSW 5 | SW 4 | S 8 | S 8 | SSW 5 | SSW 5 | SW 5 | SSW 5 | S 6 | S 7 | S 7 | S 6 | SE 9 | — | S 7 | SSW 7 | S 7 | S 7 | S 6 | S 6 |
| kJ | 5 | 9 | 1 | 1 | 9 | 5 | 6 | 4 | 3 | 4 | 8 | 12 | 3 | — | 106 | 67 | 52 | 33 | 19 | 18 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | S 14 | S 13 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | SE 9 | — | — | — | — | S 15 | S 14 | S 14 | SSE 12 |
| kJ | 1 | 1 | 4 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | — | — | — | — | 4 | 4 | 4 | 15 |
Swell 3 Height (m) Direction Period (s) | S 11 | S 14 | E 7 | SE 13 | S 13 | — | — | SE 9 | S 9 | — | — | — | — | — | — | — | — | S 14 | S 14 | SW 6 |
| kJ | 2 | 4 | 1 | 7 | 3 | — | — | 3 | 2 | — | — | — | — | — | — | — | — | 15 | 4 | 1 |
Wind waves Height (m) Direction Period (s) | — | SW 3 | SSW 4 | SSW 4 | NW 2 | — | — | N 3 | N 3 | S 6 | — | SSW 6 | SSW 4 | S 6 | — | — | — | NE 3 | — | WSW 2 |
| kJ | — | 4 | 16 | 11 | 1 | — | — | 1 | 1 | 6 | — | 22 | 15 | 85 | — | — | — | 1 | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 583 | 583 | 199 | 155 | 2419 | 710 | 3458 | 717 | 2642 | 586 | 1739 | 710 | 457 | 0 | 0 | 37 | 20 | 40 | 647 | 84 |
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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