Surf Forecasts:
Horseneck Beach surf forecast from 17 Aug 2026:
- Best quality surf: Tuesday 18 Aug, 2AM (local time) - 3.5ft (1.0m), 7s period, S swell with cross-offshore winds.
- Most powerful swell: Monday 17 Aug, 8PM (local time) - 4ft (1.2m), 7s period, S swell with 128 kJ wave energy.
- Next surfable swell (1★+): Tuesday 18 Aug, 2AM (local time) - 3.5ft (1.0m), 7s 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 Tuesday (Aug 18) at 2AM. The primary swell is predicted to be 1.0m and 7s period with a secondary swell of 1.0m and 6s. 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 8PM. Winds are predicted to be cross-onshore 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 21) at 5AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Tue 18th Aug) | 3.5ft (1.0m) 7s |
| Best Surf | 2AM (Tue 18th Aug) | 3.5ft (1.0m) 7s |
| Most Powerful | 8PM (Mon 17th Aug) | 4ft (1.2m) 7s |
Table - best surf conditions forecast for Horseneck Beach over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's talk Horseneck Beach for the next couple weeks, and I'll be real—it's a ghost town for waves.
From the 17th of August, we've got a big fat gap of nothing. The swell energy is all down in the weak range, barely hitting a hundred for days. On the 26th, a bigger wind swell bumps up to about 5ft from the SSW, but the period is a short 7 seconds and the wind is cross-onshore, so it's just a choppy, messy surf.
Every day from the 17th through the 28th is marked as "poor surf conditions." Tiny swells, bad wind, no shape.
Your one real shot, and it's a long way out, is Saturday, the 29th of August. The swell comes in at about 3ft from the south with a very long 12-second period, pushing the combined energy up to a moderate 329 in the morning and 286 in the afternoon. The afternoon turns glassy—dead calm. That's a huge win for clean, smooth waves. That long period means it's a groundswell with real punch, but at a beach break like Horseneck, it might peel a bit straight. It's a beginner-friendly height, and with no wind, it's your only real call. The morning on the 29th is just "marginal" with a light cross-shore ripple, so wait for that afternoon glass-off.
Water temp is about normal for this time of year. The break can get crowds "sometimes," but on a tiny day like this, it's wide open.
For the first 12 days, save the gas money. This place is dead. If the 29th shows up clean, it's a promising one-day bloom, but don't bank on it. The whole setup during the onshore wind days looks way better for kite surfing than paddle surfing.
Rusty.
Short Range ForecastLight rain (total 6mm), mostly falling on Mon afternoon. Warm (max 26°C on Tue afternoon, min 19°C on Mon morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Sat afternoon. Warm (max 25°C on Thu morning, min 18°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||
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 5 | S 6 | S 7 | S 7 | S 7 | S 7 | S 6 | SSE 6 | S 6 | S 6 | SSW 6 | S 5 | S 5 | S 5 | S 14 | S 5 | S 13 | S 5 | SSE 5 | S 5 | S 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 40 | 74 | 85 | 61 | 47 | 33 | 19 | 13 | 18 | 6 | 10 | 3 | 3 | 3 | 4 | 5 | 3 | 3 | 5 | 5 | 16 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-off | off | glassy | cross | on | cross-on | cross | cross-on | cross-on | cross-off | cross | cross-on | glassy | on | cross | glassy | cross-on | cross-on | cross-off |
High Tide | 12:13PM1.06m | 00:31AM0.88m | 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 | ||||||||
Low Tide | 6:02PM0.15m | 5:59AM0.11m | 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 | ||||||||
 | |  |  |  |  | | | |  | |  | |  |  | | | | | | | |
 | 5:54 | — | — | 5:54 | — | — | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — | 5:58 | — | — | 6:00 | — | — |
 | — | 7:40 | — | — | 7:38 | — | — | 7:37 | — | — | 7:36 | — | — | 7:35 | — | — | 7:32 | — | — | 7:31 | — |
mm | 1 | 3 | 1 | — | — | — | — | — | 1 | 1 | 1 | 2 | — | — | — | — | 3 | — | — | — | 2 |
Temp °C | 20 | 22 | 22 | 23 | 26 | 23 | 22 | 25 | 25 | 25 | 24 | 25 | 22 | 23 | 22 | 22 | 20 | 20 | 21 | 23 | 23 |
Feels °C | 18 | 23 | 23 | 25 | 29 | 25 | 24 | 25 | 26 | 25 | 23 | 25 | 23 | 24 | 24 | 23 | 20 | 22 | 23 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | — | — | S 7 | S 7 | S 7 | S 7 | S 6 | SSE 6 | S 6 | S 6 | SE 6 | SSW 4 | S 5 | S 5 | S 6 | S 5 | S 5 | S 5 | SSE 5 | S 5 | S 6 |
| kJ | — | — | 85 | 61 | 47 | 33 | 19 | 13 | 18 | 6 | 1 | 1 | 2 | 2 | 3 | 5 | 2 | 2 | 5 | 5 | 16 |
Swell 2 Height (m) Direction Period (s) | — | — | SE 6 | S 13 | S 12 | S 11 | S 11 | S 8 | S 6 | SSE 7 | S 8 | S 5 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | S 12 | S 12 | S 12 |
| kJ | — | — | 73 | 3 | 3 | 2 | 2 | 5 | 1 | 5 | 1 | 2 | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | S 14 | — | S 12 | SE 11 | — | S 10 | S 8 | S 10 | SE 9 | SE 8 | S 5 | SE 5 | S 14 | S 13 | S 13 | — | S 8 | S 8 | SE 6 |
| kJ | — | — | 4 | — | 3 | 5 | — | 2 | 1 | 2 | 3 | 3 | 1 | 1 | 4 | 3 | 3 | — | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | S 5 | S 6 | — | — | — | — | — | SSW 2 | SW 6 | — | SSW 6 | — | NE 3 | ENE 2 | ENE 4 | — | ESE 3 | — | E 4 | — | — |
| kJ | 40 | 74 | — | — | — | — | — | 1 | 8 | — | 10 | — | 1 | 1 | 2 | — | 2 | — | 1 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 210 | 112 | 0 | 20 | 20 | 40 | 40 | 76 | 146 | 101 | 1024 | 155 | 95 | 295 | 107 | 505 | 333 | 149 | 149 | 279 | 83 |
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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