Surf Forecasts:
Coastguard Beach surf forecast from 29 Aug 2026:
- Most powerful swell: Tuesday 1 Sep, 11PM (local time) - 5ft (1.5m), 6s period, ESE swell with 149 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 1.5m 6s and forecast to arrive on Tuesday (Sep 01) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Sunday (Aug 30) at 8PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 11PM (Tue 1st Sep) | 5ft (1.5m) 6s |
Table - best surf conditions forecast for Coastguard Beach over the next 16 days.
The Lowdown
G’day, Rusty here. Let’s break down what’s on offer over the next couple of weeks. Truth is, it’s a very quiet run. You’re looking at a long stretch from now all the way through to Tuesday, September 8th, with every session rated as poor. Nothing worth paddling for.
The first glimmer shows up on Wednesday morning, September 9th, at Coastguard Beach. It'll be clean and tiny. We’re talking about 1ft from the ENE. The real highlight is the wind: a pure offshore from the WSW at 12 mph, so the surface will be glassy. Combined swell energy is 71 – weak – and the period is short at 9 seconds. It’s beginner-friendly in size, so it won’t scare anyone. Crowds are sometimes a thing here.
That Wednesday afternoon jumps to 5ft from the SE, but the quality is poor and it’s a junky 5-second period.
Then on Saturday morning, September 12th, we get another clean window. Coastguard Beach has light W winds at 6 mph blowing offshore. Swell is 4ft from the NE with a 6-second period and combined energy of 87 – still weak. It’s surfable but nothing to write home about. Water temp is a warm 70°, a touch warmer than average for this time of year.
Honestly, for paddle surfing, it’s a tough two weeks. The best call is that Wednesday morning glass-off, but it’s tiny. The bigger pulses on the 8th (4ft, 178 energy) are riddled with onshore wind, making it messy and better for a kite session than a clean wave. There’s a bit more size on the 10th – 5ft from the ESE – but it's still poor quality. The pattern is mostly flat or blown out, so don’t hold your breath. If you’re keen, that Wednesday or Saturday glass-off is your only real option.
Stay patient.
Rusty
Short Range ForecastLight rain (total 6mm), mostly falling on Sun night. Warm (max 25°C on Sun afternoon, min 19°C on Sat morning). Winds increasing (light winds from the ENE on Sat afternoon, fresh winds from the SW by Sun afternoon). | Days 4-6 Weather SummaryHeavy rain (total 47mm), heaviest during Tue afternoon. Warm (max 20°C on Tue morning, min 16°C on Tue night). Mainly strong winds. | ||||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | |||||||||||||||
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) | NNE 5 | SE 7 | SSE 6 | ESE 7 | E 9 | SE 8 | SSW 5 | ESE 8 | SSE 3 | SSE 3 | ESE 5 | ESE 6 | E 6 | E 6 | ESE 6 | SE 4 | ESE 5 | ESE 6 | N 4 | NNE 5 | E 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 24 | 7 | 4 | 4 | 1 | 3 | 3 | 6 | 3 | 5 | 71 | 103 | 78 | 69 | 64 | 40 | 33 | 27 | 22 | 20 | 32 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | on | cross-off | cross-off | cross-off | off | cross-on | on | cross | cross | cross-on | on | on | on | on | cross-on | cross-on | on | cross-on | cross-on | cross |
High Tide | 12:50PM2.79m | 1:07AM2.84m | 1:28PM2.86m | 1:48AM2.80m | 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 | ||||||||
Low Tide | 6:57PM0.46m | 7:17AM0.42m | 7:39PM0.41m | 7:55AM0.45m | 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 | ||||||||
 | |  |  | |  | | | | |  |  |  | |  | |  | | | | | |
 | 6:01 | — | — | 6:01 | — | — | 6:03 | — | — | 6:05 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — |
 | — | 7:17 | — | — | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — | 7:12 | — | — | 7:09 | — | — | 7:07 | — |
mm | — | — | — | — | — | 6 | — | — | — | — | 22 | 12 | — | — | — | — | 1 | 12 | — | — | — |
Temp °C | 19 | 19 | 21 | 23 | 25 | 23 | 20 | 20 | 20 | 20 | 17 | 17 | 18 | 19 | 19 | 19 | 18 | 19 | 18 | 18 | 18 |
Feels °C | 16 | 17 | 19 | 20 | 21 | 20 | 20 | 20 | 19 | 19 | 12 | 13 | 14 | 16 | 18 | 16 | 14 | 18 | 13 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | SE 7 | NNE 5 | NNE 4 | ESE 7 | E 7 | SE 8 | SSW 5 | S 5 | SE 8 | — | SE 13 | SE 12 | SE 11 | SE 10 | — | ESE 8 | ESE 5 | ESE 6 | E 6 | ESE 6 | ENE 6 |
| kJ | 8 | 14 | 2 | 4 | 1 | 3 | 2 | 2 | 2 | — | 7 | 35 | 56 | 47 | — | 12 | 33 | 27 | 17 | 13 | 31 |
Swell 2 Height (m) Direction Period (s) | E 7 | SE 7 | SSE 6 | — | E 9 | SE 5 | SE 8 | ESE 8 | NE 4 | E 14 | — | — | — | SW 5 | — | — | — | SW 5 | SE 8 | ESE 7 | E 7 |
| kJ | 8 | 7 | 4 | — | 1 | 1 | 3 | 6 | 1 | 4 | — | — | — | 1 | — | — | — | 7 | 3 | 5 | 32 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 6 | E 5 | E 8 | — | — | — | — | SSW 5 | — | — | — | — | — | — | — | — | SE 8 | SSW 5 | SE 8 | ENE 9 |
| kJ | 2 | 6 | 2 | 1 | — | — | — | — | 2 | — | — | — | — | — | — | — | — | 17 | 6 | 10 | 8 |
Wind waves Height (m) Direction Period (s) | NNE 5 | — | SW 3 | SW 4 | SW 4 | WSW 4 | — | NE 3 | SSE 3 | SSE 3 | ESE 5 | ESE 6 | E 6 | E 6 | ESE 6 | SE 4 | SSW 4 | NW 3 | N 4 | NNE 5 | — |
| kJ | 24 | — | 2 | 6 | 26 | 13 | — | 1 | 3 | 5 | 71 | 103 | 78 | 69 | 64 | 40 | 14 | 2 | 22 | 20 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 132 | 477 | 132 | 611 | 2608 | 180 | 205 | 477 | 167 | 842 | 64 | 400 | 754 | 810 | 129 | 161 | 136 | 138 | 842 | 319 | 102 |
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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