Surf Forecasts:
Coastguard Beach surf forecast from 31 Aug 2026:
- Best quality surf: Monday 7 Sep, 5AM (local time) - 6ft (1.8m), 8s period, NE swell with offshore winds.
- Most powerful swell: Sunday 6 Sep, 5AM (local time) - 7ft (2.2m), 9s period, NE swell with 770 kJ wave energy.
- Next surfable swell (1★+): Sunday 6 Sep, 8PM (local time) - 5ft (1.5m), 9s period with NE 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 Sunday (Sep 06) at 8PM. The primary swell is predicted to be 1.5m and 9s period with a secondary swell of 0.1m and 9s. 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 2.2m 9s and forecast to arrive on Sunday (Sep 06) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 8s period and expected on Saturday (Sep 05) at 11PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Sun 6th Sep) | 5ft (1.5m) 9s |
| Best Surf | 5AM (Mon 7th Sep) | 6ft (1.8m) 8s |
| Most Powerful | 5AM (Sun 6th Sep) | 7ft (2.2m) 9s |
Table - best surf conditions forecast for Coastguard Beach over the next 16 days.
The Lowdown
Okay, listen up. I've been staring at the charts and I gotta tell you, the next two weeks are a struggle. We've got a whole lot of flat, junky, wind-blown nothing on the horizon, and it's going to be a test of patience for anyone looking for a wave.
The first thing that even looks like a swell shows up on Saturday, September 5th. It's a pulse of 4ft in the morning, but it's a total mess. That NNE wind is ripping at 22 mph, kicking up a strong cross-shore chop, and it just gets worse in the afternoon when it gusts to 28 mph. The energy is up there at 126, but it's all short-period slop. Not worth suiting up for. Then things get big and rough. Sunday, September 6th is the biggest day of the period—7ft from the NE at first light with a combined energy of 599. That's a serious push of water. The problem is the wind is still a fresh cross-shore, leaving it lumpy, and it's well over 5ft, so it's just for the experts. It backs down to 6ft in the afternoon, but the onshore wind increases, making it a real battle. Not a friendly spot.
The one real highlight, the only true standout in this whole 16-day window, is Monday morning, September 7th. The swell settles to 4ft from the ENE, the period is a solid 10 seconds, and the wind goes offshore from the SW at 12 mph. The energy is decent at 240, and that offshore flow will keep it glassy and clean. This is the best quality surf you're going to see for a while. It won't be pumping, but it'll be rideable and lined up. Keep in mind, the crowds can be a factor here, so you'll want to be early. The afternoon stays clean but the size drops off.
From there, it's a slow, painful decline. The rest of that week and into the next is just tiny. The combined energy numbers are stuck in the double digits, with most days offering nothing over 2ft. There's a small, clean window on Friday morning, September 11th with 3ft of south swell and a good offshore wind, but the period is a weak 4 seconds and the energy is only 36. It's gutless and won't have any push. You'd be out there on ankle-biters.
The second week is even more forgettable. A bit of a bump on Monday morning, September 14th with 3ft from the north, but again, short-period and weak energy. It's clean and offshore, but it's just not enough to get excited about. The water is running a touch warmer than normal for this time of year, around 70°, but that's about the only comfort.
So here's the bottom line: this is a long, flat spell. The clear standout is that Monday morning, September 7th session. Everything else is small, messy, or blown out. This sort of blank run is a real patience tester, but it never stays flat forever. Keep the board waxed, keep watching the forecasts, and when a proper swell line shows up, we'll be ready.
Rusty.
Short Range ForecastModerate rain (total 14mm), heaviest on Tue afternoon. Warm (max 20°C on Mon morning, min 15°C on Tue afternoon). Winds increasing (light winds from the ENE on Mon afternoon, fresh winds from the ESE by Tue afternoon). | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Thu morning. Warm (max 23°C on Thu night, min 17°C on Thu night). Winds increasing (light winds from the W on Thu night, strong winds from the NNE by Sat afternoon). | ||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | |||||||||||||||
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) | ESE 8 | S 5 | S 3 | SE 4 | ESE 4 | SE 12 | SE 11 | SE 10 | SE 9 | SE 4 | E 7 | E 7 | ESE 7 | ESE 7 | E 8 | NNE 6 | S 7 | NE 9 | NE 9 | NE 9 | ENE 9 |
Wave Graph | |||||||||||||||||||||
6 | 3 | 3 | 10 | 35 | 68 | 56 | 47 | 41 | 20 | 35 | 24 | 15 | 17 | 20 | 106 | 4 | 732 | 598 | 418 | 238 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | on | cross-on | on | on | on | cross-on | cross | cross | cross-off | cross-off | cross-on | cross | cross | cross | cross-on | cross | cross-on | off |
High Tide | 2:07PM2.90m | 2:32AM2.73m | 2:50PM2.91m | 3:20AM2.64m | 3:36PM2.89m | 4:13AM2.54m | 4:30PM2.86m | 5:12AM2.46m | 5:30PM2.83m | 6:18AM2.42m | 6:36PM2.82m | 7:27AM2.45m | 7:44PM2.86m | ||||||||
Low Tide | 8:23PM0.39m | 8:36AM0.51m | 9:10PM0.40m | 9:20AM0.59m | 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 | ||||||||
6:03 | — | — | 6:05 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — | |
— | 7:15 | — | — | 7:13 | — | — | 7:12 | — | — | 7:09 | — | — | 7:07 | — | — | 7:07 | — | — | 7:05 | — | |
mm | — | — | — | 4 | 9 | 1 | — | — | — | 1 | 1 | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 20 | 19 | 15 | 18 | 19 | 19 | 19 | 21 | 22 | 23 | 18 | 19 | 19 | 17 | 18 | 18 | 17 | 17 | 18 |
Feels °C | 19 | 19 | 18 | 17 | 9 | 15 | 16 | 16 | 16 | 19 | 22 | 26 | 15 | 17 | 19 | 12 | 10 | 11 | 11 | 13 | 15 |
Swell 1 Height (m) Direction Period (s) | S 5 | NE 4 | NNE 4 | — | SE 13 | SE 12 | SE 11 | SE 10 | SE 9 | — | E 7 | E 7 | ESE 7 | ESE 7 | E 8 | E 7 | S 6 | — | S 8 | S 7 | ENE 9 |
2 | 4 | 1 | — | 7 | 68 | 56 | 47 | 41 | — | 35 | 24 | 15 | 17 | 20 | 10 | 1 | — | 1 | 1 | 238 | |
Swell 2 Height (m) Direction Period (s) | ESE 8 | SE 8 | SE 8 | — | — | — | — | — | — | — | — | S 4 | S 5 | NNW 4 | S 5 | S 6 | S 7 | — | — | E 9 | SE 9 |
6 | 3 | 2 | — | — | — | — | — | — | — | — | 10 | 2 | 6 | 2 | 1 | 4 | — | — | 2 | 3 | |
Swell 3 Height (m) Direction Period (s) | — | S 5 | SSW 5 | SE 14 | — | — | — | — | — | — | — | — | SW 5 | SSW 5 | S 7 | SE 8 | — | — | — | — | — |
— | 2 | 2 | 8 | — | — | — | — | — | — | — | — | 7 | 2 | 4 | 9 | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | NNE 3 | — | S 3 | SE 4 | ESE 4 | ESE 5 | ESE 5 | E 5 | ESE 4 | SE 4 | SSW 4 | W 3 | NW 4 | — | NNW 4 | NNE 6 | NNE 7 | NE 9 | NE 9 | NE 9 | — |
3 | — | 3 | 10 | 35 | 26 | 38 | 37 | 20 | 20 | 29 | 5 | 15 | — | 21 | 106 | 257 | 732 | 598 | 418 | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 634 | 477 | 167 | 842 | 597 | 486 | 790 | 527 | 433 | 132 | 71 | 129 | 139 | 241 | 139 | 990 | 64 | 106 | 297 | 64 | 0 |
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.











