Surf Forecasts:
Coastguard Beach surf forecast from 24 Aug 2026:
- Most powerful swell: Thursday 27 Aug, 5AM (local time) - 1.5ft (0.5m), 8s period, E swell with 37 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 0.5m 8s and forecast to arrive on Thursday (Aug 27) 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 0.9m 4s period and expected on Tuesday (Aug 25) at 5PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5AM (Thu 27th Aug) | 1.5ft (0.5m) 8s |
Table - best surf conditions forecast for Coastguard Beach over the next 16 days.
The Lowdown
Alright, Rusty here. Let's take a look at what's on the table for the next couple of weeks.
First off, I gotta be straight with you – the next week or so is looking pretty grim. We're staring down a long stretch of flat, weak conditions. For the first few days, from Monday the 24th through to the end of August, there's just nothing doing. The swell is tiny, usually under 2ft, and the energy is barely registering. It's a real ghost town out there.
The only spot on the map is Coastguard Beach. It's an exposed, consistent beginner-friendly break, but the swell direction is mostly from the ESE, which isn't its ideal SE. The water temp is sitting at 69°, which is pretty normal for this time of year.
We'll see a bit of a pulse moving into the first few days of September. By Tuesday the 1st, a small ENE swell rolls in, but it's got onshore winds and a short period, so it's not going to be pretty. A bit of energy builds through the 2nd and 3rd, but it's still messy.
Now, here's where it gets a little interesting. On Friday the 4th of September, we finally get a decent window. The swell is still only about 3ft from the East, but the period is a solid 14-16 seconds. That's a proper groundswell. The energy is building. The key is the wind: Friday afternoon swings to a clean offshore from the WNW, which will clean things right up. This is the standout session. It's not huge, but it's the best we've got, and it'll be a welcome change from the flat spell.
Saturday the 5th morning still has a little bit of that East swell (around 2-3ft, 11s) with light offshore winds, but by the afternoon it turns glassy. The energy drops right off, though.
After that, from Sunday the 6th onwards, we're back to the doldrums. The swell drops away, the wind gets messy, and the energy is gone. It's a quiet end to the forecast.
So, if you're keen, mark your calendar for Friday the 4th of September afternoon. That's the one to get out for. The rest of the time, it's a good chance to wax your board and wait.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Mon afternoon, min 19°C on Tue morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Fri night. Warm (max 24°C on Thu morning, min 20°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | |||||||||||||||
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) | SE 6 | SE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 10 | ESE 10 | ESE 9 | ESE 8 | ESE 8 | ESE 9 | ESE 8 | SE 4 | SSE 5 | ESE 6 | SE 8 | SE 8 | ESE 8 | ESE 6 | ESE 7 | S 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 11 | 6 | 8 | 8 | 3 | 10 | 31 | 26 | 23 | 24 | 25 | 14 | 18 | 19 | 26 | 15 | 15 | 6 | 4 | 5 | 15 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | cross-off | off | cross-off | cross | cross-off | cross-off | cross | cross | cross-on | cross | off | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off |
High Tide | 9:33AM2.27m | 9:38PM2.62m | 10:18AM2.36m | 10:23PM2.70m | 10:58AM2.47m | 11:06PM2.77m | 11:37AM2.59m | 11:46PM2.83m | 12:14PM2.70m | 00:26AM2.85m | 12:50PM2.79m | 1:07AM2.84m | 1:28PM2.86m | 1:48AM2.80m | |||||||
Low Tide | 3:23PM0.95m | 4:08AM0.64m | 4:10PM0.85m | 4:49AM0.56m | 4:54PM0.74m | 5:28AM0.49m | 5:36PM0.63m | 6:04AM0.44m | 6:17PM0.53m | 6:41AM0.41m | 6:57PM0.46m | 7:17AM0.42m | 7:39PM0.41m | ||||||||
 | |  | | | | | |  |  | |  | | |  | | | |  |  | | |
 | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — | 5:58 | — | — | 6:00 | — | — | 6:01 | — | — | 6:01 | — | — |
 | — | 7:25 | — | — | 7:24 | — | — | 7:22 | — | — | 7:22 | — | — | 7:20 | — | — | 7:17 | — | — | 7:16 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | 3 | — | — | 2 | 2 | — | 3 |
Temp °C | 25 | 26 | 24 | 21 | 23 | 22 | 19 | 21 | 22 | 24 | 24 | 23 | 22 | 24 | 24 | 20 | 20 | 24 | 25 | 26 | 23 |
Feels °C | 23 | 22 | 22 | 18 | 20 | 20 | 18 | 21 | 21 | 23 | 22 | 22 | 23 | 25 | 25 | 21 | 21 | 26 | 26 | 25 | 22 |
Swell 1 Height (m) Direction Period (s) | SE 6 | SE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 5 | ESE 10 | ESE 9 | ESE 8 | ESE 8 | ESE 9 | ESE 8 | SSE 4 | ESE 8 | ESE 6 | SE 8 | SE 8 | ESE 8 | ESE 6 | ESE 7 | S 5 |
| kJ | 10 | 6 | 8 | 8 | 3 | 3 | 31 | 26 | 23 | 24 | 25 | 14 | 11 | 6 | 26 | 15 | 15 | 6 | 4 | 5 | 15 |
Swell 2 Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | E 11 | ESE 10 | SSW 5 | E 10 | E 10 | — | E 11 | E 10 | ESE 8 | E 10 | S 7 | S 7 | — | SE 6 | E 8 | E 8 | E 18 |
| kJ | 7 | 3 | 3 | 1 | 2 | 10 | 2 | 9 | 8 | — | 2 | 2 | 13 | 2 | 8 | 4 | — | 1 | 1 | 1 | 6 |
Swell 3 Height (m) Direction Period (s) | E 12 | E 12 | E 11 | E 11 | E 7 | E 11 | — | — | — | — | — | — | S 6 | E 10 | SW 4 | E 5 | E 9 | E 8 | E 9 | E 8 | E 8 |
| kJ | 11 | 3 | 2 | 2 | 1 | 2 | — | — | — | — | — | — | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | SSW 3 | SSW 3 | SSW 4 | SW 4 | SW 4 | SW 4 | WNW 3 | SW 3 | SW 4 | SSW 2 | SSW 3 | S 4 | SE 4 | SSE 5 | — | NNW 3 | S 6 | SSW 3 | SSW 4 | SSW 4 | W 3 |
| kJ | 4 | 7 | 13 | 7 | 32 | 13 | 1 | 2 | 6 | 1 | 7 | 6 | 18 | 19 | — | 1 | 7 | 6 | 10 | 24 | 7 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 11 | 132 | 10 | 10 | 137 | 167 | 10 | 929 | 11 | 10 | 755 | 129 | 66 | 161 | 10 | 66 | 477 | 167 | 186 | 375 | 10 |
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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