Surf Forecasts:
Deveraux Beach surf forecast from 17 Aug 2026:
- Most powerful swell: Tuesday 18 Aug, 5PM (local time) - 3ft (0.9m), 8s period, E swell with 116 kJ wave energy.
Best Forecast Surf Conditions for Deveraux Beach this week:
The most powerful waves expected at Deveraux Beach in the next 16 days are 0.9m 8s and forecast to arrive on Tuesday (Aug 18) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Tuesday (Aug 18) at 5PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5PM (Tue 18th Aug) | 3ft (0.9m) 8s |
Table - best surf conditions forecast for Deveraux Beach over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have an honest look at what’s coming our way for the next couple of weeks.
Right off the bat, I gotta tell ya, it’s gonna be a long wait. There’s nothing worth paddling out for until around the 26th of August. That’s a solid ten days of flat or junk conditions. The wind is mostly cross-onshore from the south-east, the waves are tiny—nothing over 3 feet—and the energy in the water is pathetic, barely registering a whisper with combined swell energy readings mostly in the teens and twenties. It’s a tough stretch.
But, for those with patience, things finally start to stir on the 26th. We’ve got our one and only break on offer: Deveraux Beach (Marx). It’s a reef setup, fairly consistent, but usually only a beginner-friendly spot. Now, on the 26th of August, the swell picks up to 4 feet coming out of the northeast, and the combined energy jumps to a moderate 159. That’s more like it. The water temp is about average for this time of year, sitting at 69°.
The problem? The wind on the 26th is a cross-on south-easterly at 19 mph. It’s gonna be lumpy. Not ideal. The period is only 6 seconds, so it’s a weak, short-period windswell. This isn’t the cleanest option, but it’s the most size we see.
A slightly better call might be the 27th. Swell holds at 4 feet from the northeast, combined energy is a strong 223—that’s real push. The wind clocks around to a cross-shore easterly, light at 6 mph, which will clean it up a bit. Still, with a 7-second period, it’s not a groundswell, but it’s the most sustained wave energy of the whole run.
Given the persistent poor conditions for the first nine days, and then the lumpy, short-period nature of the late-August pulse, nothing here is a true standout. The best of a bad bunch is Thursday 27th August at Deveraux Beach. If you absolutely need to get wet, aim for that afternoon session with the light cross-shore wind and 4 feet. Don’t expect perfection, but at least there’s something to push you around.
Stay patient, and keep an eye on the forecasts. Things change.
Rusty.
Short Range ForecastModerate rain (total 18mm), heaviest on Mon afternoon. Warm (max 27°C on Wed afternoon, min 19°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 33mm), heaviest during Thu morning. Warm (max 27°C on Wed night, min 17°C on Sat morning). Wind will be generally light. | ||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||
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 4 | SSE 4 | SE 4 | SE 5 | ESE 5 | E 8 | ESE 7 | E 6 | ESE 4 | ESE 6 | SE 6 | SE 8 | E 8 | SE 8 | E 8 | E 8 | ESE 7 | ESE 7 | ESE 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 12 | 10 | 14 | 19 | 15 | 116 | 32 | 29 | 34 | 25 | 12 | 15 | 20 | 15 | 34 | 29 | 18 | 18 | 17 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-off | off | cross-off | glassy | on | cross-on | cross | cross-off | cross-off | off | cross-off | cross | cross-off | cross-off | cross-off | off |
High Tide | 3:04AM2.86m | 3:27PM2.89m | 3:54AM2.68m | 4:14PM2.80m | 4:45AM2.50m | 5:04PM2.69m | 5:40AM2.35m | 5:57PM2.60m | 6:39AM2.24m | 6:53PM2.55m | 7:39AM2.20m | 7:51PM2.55m | |||||||
Low Tide | 8:47PM-0.03m | 9:07AM0.04m | 9:36PM0.08m | 9:53AM0.22m | 10:28PM0.21m | 10:41AM0.39m | 11:22PM0.33m | 11:33AM0.53m | 00:20AM0.42m | 12:28PM0.63m | 1:20AM0.47m | 1:25PM0.66m | 2:20AM0.45m | ||||||
 |  |  |  |  | |  |  | |  |  | | | | | | | | | |
 | — | 5:50 | — | — | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:56 | — | — |
 | 7:43 | — | 7:42 | — | — | 7:39 | — | — | 7:38 | — | — | 7:37 | — | — | 7:36 | — | — | 7:34 | — |
mm | 1 | 4 | 6 | 7 | — | — | — | — | — | — | 16 | — | — | — | — | 2 | 15 | — | — |
Temp °C | 22 | 19 | 20 | 20 | 20 | 20 | 19 | 23 | 27 | 27 | 18 | 19 | 19 | 20 | 20 | 19 | 17 | 19 | 18 |
Feels °C | 18 | 17 | 21 | 20 | 21 | 19 | 19 | 24 | 26 | 27 | 17 | 20 | 20 | 18 | 18 | 18 | 16 | 18 | 19 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 5 | ESE 5 | E 8 | ESE 7 | E 6 | ESE 4 | ESE 6 | SE 6 | E 7 | E 8 | SE 8 | E 8 | E 8 | ESE 7 | ESE 7 | ESE 6 |
| kJ | 3 | 3 | 3 | 19 | 15 | 116 | 32 | 29 | 7 | 25 | 9 | 15 | 20 | 15 | 34 | 29 | 18 | 18 | 17 |
Swell 2 Height (m) Direction Period (s) | — | E 9 | — | SE 9 | SE 8 | E 5 | ENE 5 | ESE 9 | ENE 5 | ESE 8 | ESE 8 | SE 8 | SE 7 | E 8 | ENE 4 | ESE 3 | E 13 | E 13 | ESE 7 |
| kJ | — | 2 | — | 3 | 3 | 4 | 9 | 7 | 9 | 7 | 12 | 14 | 14 | 10 | 7 | 2 | 14 | 13 | 16 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | ESE 9 | ESE 9 | ESE 6 | — | — | — | E 15 | E 15 | E 8 | E 14 | — | — | E 13 |
| kJ | — | — | — | — | — | — | 8 | 8 | 4 | — | — | — | 4 | 4 | 1 | 4 | — | — | 13 |
Wind waves Height (m) Direction Period (s) | S 4 | SSE 4 | SE 4 | — | NNE 2 | NE 4 | — | — | ESE 4 | — | — | — | NNE 2 | NE 4 | — | SE 3 | ESE 4 | ESE 4 | — |
| kJ | 12 | 10 | 14 | — | 1 | 14 | — | — | 34 | — | — | — | 1 | 7 | — | 3 | 3 | 5 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 2842 | 36 | 296 | 144 | 80 | 120 | 140 | 31 | 31 | 49 | 31 | 97 | 31 | 95 | 80 | 561 | 27 | 481 | 299 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Deveraux Beach Surf forecast
The above surf forecast table for Deveraux Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Deveraux Beach can be found by selecting the local surf guide option on the grey menu. Our Deveraux 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 (Deveraux 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 Deveraux 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.
Deveraux Beach is 4 km (2 miles) from Beverly Cove. If you plan a vacation in Massachusetts, look for hotels and other accommodation in Beverly Cove. Beverly Cove has rooms for a wide range of budgets as well as car hire and transport links.
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