Surf Forecasts:
Coastguard Beach surf forecast from 13 Sep 2026:
- Most powerful swell: Sunday 20 Sep, 8PM (local time) - 7ft (2.2m), 8s period, NE swell with 634 kJ wave energy.
Best Forecast Surf Conditions for Coastguard Beach this week:
The most powerful waves expected at Coastguard Beach in the next 16 days are 2.2m 8s and forecast to arrive on Sunday (Sep 20) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Sunday (Sep 20) at 2PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Sun 20th Sep) | 7ft (2.2m) 8s |
Table - best surf conditions forecast for Coastguard Beach over the next 16 days.
The Lowdown
Right then, let’s have a look at what’s on offer for Coastguard Beach. I’ve got to be straight with you – this isn’t looking like a great run. The first couple of weeks are pretty grim, with hardly anything worth paddling out for. We’re talking a solid stretch from now right through to the end of September with almost no real surf. There’s a long, quiet gap here.
We start off with Sunday the 13th – that’s today – and it’s a write-off. Heavy rain, a cross wind at 16 mph, and a weak, short-period swell of 4ft from the SSE. The energy is really low at 73, and the whole setup is poor. Not worth a second look. Monday and Tuesday are equally hopeless with tiny waves and messy winds.
Wednesday the 16th through to the end of the month sees mostly tiny, weak swells. A bit of glassy conditions on Thursday the 17th afternoon with the wind dropping to 3 mph, but the swell is only 1ft and from the east with a period of 7 seconds. You’d be struggling to get a ride. The energy is barely registering at 19. It’s clean, but there’s nothing to surf.
There’s a slight lift around Monday the 21st of September, with a 5ft swell from the NE and period of 8 seconds. The energy jumps to 249, which is moderate. But the wind is cross at 19 mph, making it lumpy and choppy. It’s a messy one, and the quality is still poor. Not a day for a beginner – that’s pushing into too-big territory for learning, and the conditions are rough.
Towards the end of the month, Thursday the 24th sees the most promise, if you can call it that. A 5ft swell from the east with a 7-second period, and the energy is a solid 324. The wind is cross-off at 16 mph from the SW, keeping it reasonably clean. It’s still only a marginal call, but it’s the best we’ve got. The water temp is about average for the time of year at 66°.
Friday the 25th offers clean offshore winds from the west at 9 mph, with a 3ft swell from the east at 9 seconds. The energy is 154. It’s surfable, but very ordinary. Not a standout by any stretch.
Honestly, there’s nothing here that’s a true standout. The best bet is probably Thursday the 24th and Friday the 25th, but even then, it’s just marginal. Crowds are possible at Coastguard Beach, but with this quality, I doubt many will bother. If you’re desperate, keep an eye on the forecasts, but for now, I’d say give it a miss.
Rusty.
Short Range ForecastHeavy rain (total 49mm), heaviest during Sun afternoon. Warm (max 21°C on Sun afternoon, min 14°C on Tue morning). Winds decreasing (fresh winds from the NW on Mon morning, light winds from the S by Tue night). | Days 5-7 Weather SummaryLight rain (total 5mm), mostly falling on Thu night. Warm (max 21°C on Thu morning, min 16°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||||
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) | SSE 5 | SSE 5 | ESE 6 | N 5 | NNE 6 | NE 5 | NE 6 | ENE 5 | ENE 5 | E 7 | E 7 | E 7 | E 7 | E 6 | E 12 | E 12 | E 12 | E 7 | E 8 | E 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 73 | 9 | 8 | 27 | 93 | 49 | 42 | 11 | 7 | 8 | 10 | 16 | 15 | 7 | 11 | 14 | 11 | 4 | 10 | 4 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross-on | cross-on | glassy | cross-off | cross-off | cross |
High Tide | 1:56AM2.87m | 2:10PM2.98m | 2:41AM2.72m | 2:53PM2.88m | 3:28AM2.56m | 3:38PM2.75m | 4:17AM2.40m | 4:25PM2.62m | 5:10AM2.27m | 5:18PM2.51m | 6:08AM2.19m | 6:15PM2.45m | ||||||||
Low Tide | 7:45PM0.22m | 7:59AM0.42m | 8:30PM0.31m | 8:41AM0.57m | 9:16PM0.43m | 9:25AM0.73m | 10:05PM0.56m | 10:11AM0.87m | 10:57PM0.69m | 11:02AM0.99m | 11:53PM0.79m | 11:58AM1.07m | 00:53AM0.83m | |||||||
 |  |  |  |  | | | | | |  | |  | | | | | | |  | |
 | — | — | 6:18 | — | — | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — |
 | 6:52 | — | — | 6:51 | — | — | 6:50 | — | — | 6:47 | — | — | 6:45 | — | — | 6:44 | — | — | 6:43 | — |
mm | 47 | 2 | — | — | — | — | — | — | — | — | — | — | 2 | 3 | — | — | — | — | — | — |
Temp °C | 21 | 20 | 20 | 19 | 19 | 14 | 14 | 14 | 17 | 19 | 19 | 21 | 20 | 17 | 18 | 18 | 17 | 19 | 20 | 20 |
Feels °C | 20 | 20 | 17 | 14 | 14 | 9 | 11 | 12 | 15 | 16 | 17 | 20 | 21 | 17 | 17 | 17 | 18 | 19 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | — | SSE 5 | ESE 6 | SE 6 | ESE 7 | ESE 9 | NE 6 | ENE 5 | ENE 5 | E 7 | E 7 | E 7 | E 7 | E 6 | E 7 | E 7 | NE 5 | E 7 | E 8 | E 7 |
| kJ | — | 9 | 8 | 11 | 4 | 9 | 42 | 11 | 7 | 8 | 10 | 16 | 15 | 7 | 3 | 4 | 7 | 4 | 10 | 4 |
Swell 2 Height (m) Direction Period (s) | — | N 3 | SSE 6 | S 6 | ESE 9 | E 15 | SE 9 | SE 10 | E 13 | E 13 | E 13 | SW 4 | SSW 3 | E 12 | E 12 | E 12 | E 7 | NE 4 | NE 4 | E 11 |
| kJ | — | 2 | 8 | 12 | 17 | 4 | 3 | 4 | 4 | 4 | 3 | 3 | 1 | 3 | 11 | 11 | 4 | 3 | 1 | 2 |
Swell 3 Height (m) Direction Period (s) | — | ESE 9 | E 8 | — | E 15 | E 15 | E 15 | E 14 | E 10 | E 13 | SE 13 | E 12 | E 12 | SW 4 | E 9 | ESE 12 | E 12 | E 12 | E 11 | E 8 |
| kJ | — | 8 | 6 | — | 4 | 4 | 4 | 4 | 2 | 4 | 7 | 3 | 3 | 1 | 2 | 14 | 11 | 3 | 3 | 1 |
Wind waves Height (m) Direction Period (s) | SSE 5 | NNW 3 | NNW 4 | N 5 | NNE 6 | NE 5 | — | — | — | SW 3 | SW 3 | SW 4 | — | NNW 3 | NE 4 | NE 4 | — | — | SW 3 | S 4 |
| kJ | 73 | 3 | 25 | 27 | 93 | 49 | — | — | — | 4 | 7 | 5 | — | 1 | 7 | 11 | — | — | 5 | 18 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 100 | 132 | 477 | 205 | 144 | 618 | 611 | 613 | 611 | 1148 | 486 | 568 | 139 | 381 | 486 | 611 | 486 | 180 | 1155 | 132 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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Information about the Coastguard Beach Surf forecast
The above surf forecast table for Coastguard Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Coastguard Beach can be found by selecting the local surf guide option on the grey menu. Our Coastguard 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 (Coastguard 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 Coastguard 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.
Coastguard Beach is 14 km (9 miles) from Brewster. If you plan a vacation in Massachusetts, look for hotels and other accommodation in Brewster. Brewster has rooms for a wide range of budgets as well as car hire and transport links.
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