Surf Forecasts:
Coastguard Beach surf forecast from 31 Aug 2026:
- Most powerful swell: Sunday 6 Sep, 2AM (local time) - 8ft (2.4m), 9s period, NE swell with 901 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 2.4m 9s and forecast to arrive on Sunday (Sep 06) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 7s period and expected on Saturday (Sep 05) at 8PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2AM (Sun 6th Sep) | 8ft (2.4m) 9s |
Table - best surf conditions forecast for Coastguard Beach over the next 16 days.
The Lowdown
Righto, Rusty here. Look, let’s be straight with each other—this stretch of coast is copping a lean run. Over the next 16 days, there’s barely a sniff of proper surf. We’ve got a long, flat gap right through until the 5th of September, so don’t bother waxing up just yet.
Our only real option on the cards is Coastguard Beach, a beginner-friendly, exposed beach break. It’s a consistent spot, which is a positive, but the swell just isn’t playing ball. The water is sitting around 70°, which is a touch warmer than normal for the end of August, so you won't need a thick suit, but you will need to be patient.
The first real pulse we see arrives on Saturday morning, the 5th of September. We’ve got a 5ft NNE swell with a short 6-second period. The wind is a clean, cross-off from the NNW at 19 mph, which is good news for the surface. The combined swell energy is moderate (124). It’s not a standout by any stretch, but it’s the closest thing to a surfable window we get. Problem is, even then, the rating is poor.
After that, the swell picks up on Sunday the 6th with a 7ft NE swell, but the wind swings nasty—a strong 25 mph cross-onshore that will chop it to bits. That’s expert-only territory, but even they’ll be battling the mess. The energy is strong (598), but the quality is zero.
By Monday the 7th, the swell drops to 3ft from the ENE with an 11-second period. The wind is light and cross, making for small, clean lines in the morning. The energy is moderate (221). For a beginner spot, this is the best of a bad bunch—small but workable if you’re desperate.
We then fall back into flatness. The rest of the week and into the second week shows nothing but 0.7ft to 2ft dribble with onshore winds. Wednesday the 15th of September shows a brief 4ft NE pulse, but the wind is cross-shore and choppy, and it’s too far out to bank on.
Honestly, mate, this is a kitesurfer’s forecast, not a surfer’s. Tack the board up on the wall and wait for the next system.
- Rusty
Short Range ForecastModerate rain (total 13mm), heaviest on Tue morning. 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 SE by Tue afternoon). | Days 4-6 Weather SummaryModerate rain (total 10mm), heaviest on Thu afternoon. Warm (max 23°C on Thu afternoon, min 16°C on Sat night). Winds increasing (light winds from the SE on Fri afternoon, strong winds from the NNE by Sat night). | ||||||||||||||||||||
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 | SE 8 | S 4 | SE 4 | SE 5 | SE 12 | SE 11 | ESE 5 | ESE 5 | SSE 4 | ESE 6 | SE 6 | ESE 6 | E 8 | SE 8 | NNE 6 | S 6 | NE 9 | NE 9 | NE 9 | ENE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 6 | 10 | 6 | 12 | 49 | 68 | 56 | 30 | 27 | 28 | 27 | 18 | 15 | 10 | 11 | 114 | 3 | 901 | 598 | 440 | 255 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross-on | on | on | on | cross-on | cross | cross | off | cross | cross-on | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on |
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 | — | — | — | 6 | 7 | — | — | — | — | — | 2 | 2 | — | — | 2 | — | — | 4 | 1 | — | — |
Temp °C | 20 | 20 | 20 | 20 | 16 | 18 | 19 | 19 | 20 | 22 | 23 | 23 | 20 | 21 | 23 | 19 | 19 | 17 | 17 | 17 | 18 |
Feels °C | 19 | 19 | 18 | 18 | 10 | 15 | 16 | 17 | 19 | 20 | 21 | 24 | 20 | 22 | 23 | 15 | 13 | 10 | 9 | 11 | 13 |
Swell 1 Height (m) Direction Period (s) | S 5 | NNE 4 | NE 4 | — | SE 13 | SE 12 | SE 11 | ESE 10 | ESE 9 | ESE 9 | ESE 6 | SE 6 | ESE 6 | N 4 | ESE 7 | E 7 | S 6 | — | — | SE 9 | ENE 9 |
| kJ | 2 | 1 | 1 | — | 7 | 68 | 56 | 19 | 8 | 8 | 27 | 18 | 15 | 9 | 11 | 9 | 1 | — | — | 3 | 255 |
Swell 2 Height (m) Direction Period (s) | NNW 4 | SE 8 | SE 8 | — | — | — | — | — | — | — | SE 9 | E 7 | SE 8 | E 8 | S 6 | S 6 | S 6 | — | — | — | SE 9 |
| kJ | 1 | 10 | 2 | — | — | — | — | — | — | — | 3 | 14 | 3 | 10 | 2 | 1 | 3 | — | — | — | 3 |
Swell 3 Height (m) Direction Period (s) | ESE 8 | SSW 5 | — | — | — | — | — | — | — | — | — | E 8 | E 8 | SE 6 | SE 8 | — | — | — | — | — | — |
| kJ | 6 | 5 | — | — | — | — | — | — | — | — | — | 1 | 1 | 6 | 9 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SE 5 | S 4 | SE 4 | SE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | SSE 4 | SSW 4 | WSW 4 | NNW 4 | — | NNW 4 | NNE 6 | NNE 7 | NE 9 | NE 9 | NE 9 | — |
| kJ | — | 6 | 6 | 12 | 49 | 27 | 36 | 30 | 27 | 28 | 34 | 13 | 19 | — | 25 | 114 | 229 | 901 | 598 | 440 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 613 | 842 | 167 | 842 | 597 | 337 | 761 | 1155 | 139 | 375 | 129 | 69 | 132 | 205 | 167 | 477 | 477 | 2417 | 313 | 64 | 64 |
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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