Surf Forecasts:
Coastguard Beach surf forecast from 3 Sep 2026:
- Best quality surf: Monday 7 Sep, 8PM (local time) - 3ft (0.9m), 10s period, ENE swell with glassy winds.
- Most powerful swell: Monday 7 Sep, 5AM (local time) - 4ft (1.2m), 10s period, ENE swell with 261 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 8PM (local time) - 3ft (0.9m), 10s period with ENE swell.
Best Forecast Surf Conditions for Coastguard Beach this week:
The surf forecast for Coastguard Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 07) at 8PM. The primary swell is predicted to be 0.9m and 10s period with a secondary swell of 0.1m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Coastguard Beach in the next 16 days are 1.2m 10s and forecast to arrive on Monday (Sep 07) 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 1.5m 7s period and expected on Sunday (Sep 06) at 2PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Mon 7th Sep) | 3ft (0.9m) 10s |
| Best Surf | 8PM (Mon 7th Sep) | 3ft (0.9m) 10s |
| Most Powerful | 5AM (Mon 7th Sep) | 4ft (1.2m) 10s |
Table - best surf conditions forecast for Coastguard Beach over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s on offer for Coastguard Beach over the next couple of weeks.
Honestly, it’s a tough outlook. We’re looking at a long stretch of nothing special. The first actual surf recommendation doesn’t pop up until Monday, the 7th of September, and even then it’s a real struggle to get excited. The whole period is dominated by small, weak swell and unfriendly winds.
For the first several days, the energy is just pitiful—combined swell energy bounces between 19 and 37 (weak energy) for most of it. The wind is mostly cross or onshore, making a mess of things. There’s a tiny window on Monday afternoon, the 7th, where things get a little less ugly. The swell is still tiny at 3 ft from the ENE, with a period of 9 seconds, and the combined energy sits at 105 (moderate wave energy). The wind finally goes light and cross-offshore from the NW, and the model says it’s clean. That’s your best bet, but it’s still “surfable waves but very ordinary conditions.” The best of a bad bunch.
After that, it drops right back off. We get a few clean-looking sessions with the wind blowing offshore, but the swell is just too small to do anything with—1 ft or less, not enough to push a log along. There’s a late possibility on the afternoon of the 17th of September: a 2 ft swell from the E with an 8-second period, light offshore wind from the W, and clean conditions. The energy is still only 63 (weak), but it’s glassy and clean. Again, it’s the best of a quiet period.
The water temperature is sitting at 70°F, which is a touch warmer than normal for this time of year. Other than that, there’s no standout. No big swells, no perfect conditions. It’s one of those periods where you just have to wait for the forecasts to change.
Rusty.
Short Range ForecastModerate rain (total 13mm), heaviest on Thu night. Warm (max 23°C on Thu afternoon, min 18°C on Wed night). Winds increasing (light winds from the NE on Fri morning, fresh winds from the N by Sat morning). | Days 5-7 Weather SummaryMostly dry. Warm (max 24°C on Tue afternoon, min 16°C on Sun morning). Winds decreasing (fresh winds from the N on Sun afternoon, calm by Mon night). | ||||||||||||||||||
Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | ||||||||||||||
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 4 | S 4 | ESE 9 | E 6 | E 7 | E 7 | E 7 | N 5 | NE 5 | NE 7 | NE 7 | NE 7 | NE 9 | ENE 10 | NE 10 | ENE 9 | ENE 9 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 8 | 19 | 7 | 12 | 23 | 23 | 14 | 55 | 79 | 151 | 216 | 217 | 231 | 183 | 184 | 75 | 44 | 28 | 24 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross | cross-on | cross | cross-off | cross | cross | cross | cross | cross | cross-off | cross | cross | off | off | cross-off | cross-off |
High Tide | 4:13AM2.54m | 4:30PM2.86m | 5:12AM2.46m | 5:30PM2.83m | 6:18AM2.42m | 6:36PM2.82m | 7:27AM2.45m | 7:44PM2.86m | 8:33AM2.54m | 8:49PM2.93m | 9:33AM2.67m | 9:49PM3.02m | |||||||
Low Tide | 10:02PM0.44m | 10:11AM0.67m | 11:01PM0.48m | 11:09AM0.74m | 00:05AM0.50m | 12:14PM0.77m | 1:13AM0.49m | 1:24PM0.75m | 2:19AM0.42m | 2:31PM0.66m | 3:19AM0.33m | 3:34PM0.53m | 4:14AM0.24m | ||||||
 |  |  |  |  |  |  | | | | | | |  | |  | | | | |
 | — | 6:07 | — | — | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — | 6:11 | — | — |
 | 7:12 | — | 7:09 | — | — | 7:07 | — | — | 7:07 | — | — | 7:05 | — | — | 7:02 | — | — | 7:01 | — |
mm | — | 5 | 3 | 4 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 20 | 23 | 22 | 19 | 20 | 20 | 18 | 18 | 18 | 16 | 17 | 18 | 18 | 17 | 20 | 20 | 24 | 22 |
Feels °C | 16 | 18 | 24 | 24 | 20 | 21 | 21 | 14 | 14 | 14 | 10 | 10 | 14 | 13 | 13 | 17 | 19 | 20 | 18 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | S 6 | S 8 | S 7 | S 6 | NE 9 | ENE 10 | NE 10 | ENE 9 | ENE 9 | ENE 8 | ENE 8 |
| kJ | 8 | 8 | 6 | 12 | 23 | 23 | 14 | 16 | 1 | 1 | 1 | 1 | 231 | 183 | 184 | 75 | 44 | 28 | 24 |
Swell 2 Height (m) Direction Period (s) | — | — | ESE 9 | SSW 4 | S 4 | — | — | S 5 | SE 8 | SE 9 | — | S 7 | SE 9 | SE 9 | SE 8 | SE 8 | NNW 3 | E 9 | SE 10 |
| kJ | — | — | 7 | 8 | 1 | — | — | 1 | 2 | 3 | — | 4 | 3 | 3 | 3 | 3 | 1 | 2 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | ESE 8 | — | ESE 8 | SSW 5 | S 6 | — | — | — | — | S 6 | — | S 5 | S 5 | — | — | — |
| kJ | — | — | — | 7 | — | 7 | 2 | 3 | — | — | — | — | 1 | — | 1 | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 4 | S 4 | SSW 4 | SW 4 | — | S 4 | NW 2 | N 5 | NE 5 | NE 7 | NE 7 | NE 7 | — | N 4 | N 4 | W 3 | — | SW 4 | SW 5 |
| kJ | 7 | 19 | 34 | 13 | — | 1 | 2 | 55 | 79 | 151 | 216 | 217 | — | 14 | 9 | 5 | — | 24 | 31 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 132 | 129 | 104 | 137 | 10 | 132 | 132 | 842 | 491 | 106 | 107 | 64 | 64 | 106 | 14 | 0 | 10 | 17 | 11 |
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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