Surf Forecasts:
Coastguard Beach surf forecast from 2 Sep 2026:
- Most powerful swell: Sunday 6 Sep, 2AM (local time) - 4.5ft (1.3m), 8s period, NE swell with 205 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 1.3m 8s and forecast to arrive on Sunday (Sep 06) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 8s period and expected on Sunday (Sep 06) at 11AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2AM (Sun 6th Sep) | 4.5ft (1.3m) 8s |
Table - best surf conditions forecast for Coastguard Beach over the next 16 days.
The Lowdown
Alright, mate, Rusty here, letting you know how things are shaping up on the coast.
Right now, things are looking pretty flat. We’ve got a long stretch of small, weak, and messy surf that doesn’t really offer anything good for a paddle. The first weekend and the following week are pretty much a write-off with most days showing tiny swell and poor quality.
Looking at Coastguard Beach, the water temp is sitting at about 70°, which feels a touch warmer than normal for this time of year. For the first few days, the swell is tiny – we’re talking knee-high at best, with very weak wave energy (values as low as 25 to 51). The wind is all over the shop, mostly cross or onshore, making for lumpy and choppy conditions. Not worth getting wet for, to be honest.
There’s a bit of a tease around Thursday the 10th of September, where the swell bumps up to 6ft with a clean offshore wind, and the energy jumps to 339 – that’s moderate energy. It’s the best-looking window in the whole forecast, but it’s still only rated as marginal. Then it drops right back down to tiny, poor surf for another five days.
The second week sees a few mornings with light offshore winds and small, weak swell – around 3ft to 4ft from the east, but with short periods of 6 seconds, so the wave shape will be weak and fat. The energy stays low (under 132). Nothing to get excited about.
Honestly, if you’re desperate for a surf, the only real standout is the afternoon of Thursday the 10th of September. You’ve got 6ft east-northeast swell with clean, cross-off winds. It’s the biggest and cleanest we see, but it’s still only marginal quality and far out, so don’t bank on it yet. Beginners should note that 6ft might be a bit much if you’re still finding your feet.
Other than that, the whole 16-day window looks better suited for a kite session if the wind picks up right, because for paddle surfing, it’s mostly a blank run.
- Rusty
Short Range ForecastLight rain (total 9mm), mostly falling on Thu morning. Warm (max 24°C on Thu afternoon, min 18°C on Wed morning). Winds decreasing (fresh winds from the S on Thu morning, calm by Fri afternoon). | Days 4-6 Weather SummaryMostly dry. Warm (max 20°C on Mon night, min 17°C on Sat afternoon). Winds decreasing (strong winds from the NNW on Sun morning, light winds from the N by Mon afternoon). | ||||||||||||||||||||
Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | |||||||||||||||
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 11 | ESE 10 | ESE 9 | SSE 4 | ESE 5 | ESE 6 | ESE 7 | SE 8 | ESE 7 | NNE 5 | NNE 6 | NE 8 | S 7 | NE 8 | NE 8 | NE 9 | NE 9 | ENE 9 | ENE 8 | SSW 6 | NNE 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 23 | 19 | 17 | 43 | 15 | 12 | 25 | 18 | 10 | 61 | 112 | 205 | 1 | 128 | 80 | 75 | 61 | 30 | 14 | 7 | 8 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross | cross | cross-off | off | cross-off | cross | cross-off | cross | cross-on | cross | cross-off | cross | cross-off | cross | cross | cross-off | off | cross-off | cross-off |
High Tide | 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 | 8:33AM2.54m | 8:49PM2.93m | 9:33AM2.67m | 9:49PM3.02m | ||||||||
Low Tide | 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 | 2:31PM0.66m | 3:19AM0.33m | 3:34PM0.53m | 4:14AM0.24m | |||||||
 | |  |  |  |  |  | |  | |  | | | | | | | | | |  | |
 | 6:05 | — | — | 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 | — | — | — | 3 | 5 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 19 | 19 | 19 | 22 | 24 | 23 | 20 | 22 | 22 | 19 | 18 | 18 | 18 | 19 | 18 | 17 | 18 | 20 | 21 | 24 | 22 |
Feels °C | 16 | 17 | 16 | 19 | 24 | 24 | 21 | 24 | 21 | 16 | 13 | 14 | 10 | 14 | 14 | 14 | 16 | 16 | 18 | 23 | 20 |
Swell 1 Height (m) Direction Period (s) | ESE 11 | ESE 10 | ESE 9 | ESE 9 | ESE 5 | SSW 5 | ESE 7 | ESE 7 | ESE 7 | E 7 | S 6 | S 8 | S 7 | NE 8 | NE 8 | NE 9 | NE 9 | ENE 9 | ENE 8 | SSW 6 | S 7 |
| kJ | 23 | 19 | 17 | 8 | 15 | 8 | 25 | 18 | 10 | 9 | 1 | 1 | 1 | 128 | 80 | 75 | 61 | 30 | 14 | 6 | 8 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | ESE 9 | ESE 6 | SSW 6 | — | SSW 4 | S 6 | S 6 | S 8 | — | S 6 | S 6 | SW 4 | — | E 8 | E 9 | ENE 8 | ENE 8 |
| kJ | — | — | — | — | 8 | 12 | 10 | — | 1 | 1 | 1 | 5 | — | 1 | 1 | 1 | — | 1 | 1 | 7 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | E 6 | ESE 8 | ESE 8 | SE 8 | S 6 | SSW 6 | — | — | — | — | E 9 | E 9 | E 8 | — | SE 9 | E 9 | E 10 |
| kJ | — | — | — | — | 6 | 7 | 7 | 16 | 1 | 4 | — | — | — | — | 2 | 1 | 1 | — | 3 | 1 | 2 |
Wind waves Height (m) Direction Period (s) | ESE 4 | ESE 4 | SE 4 | SSE 4 | SSW 5 | WNW 3 | NNW 3 | — | NNW 3 | NNE 5 | NNE 6 | NE 8 | NNE 8 | — | — | NNW 3 | — | SW 4 | SW 4 | NNW 3 | NNE 4 |
| kJ | 4 | 6 | 9 | 43 | 30 | 4 | 1 | — | 7 | 61 | 112 | 205 | 240 | — | — | 3 | — | 10 | 15 | 2 | 8 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 790 | 1155 | 132 | 101 | 11 | 10 | 10 | 132 | 132 | 477 | 241 | 106 | 107 | 64 | 64 | 611 | 8 | 430 | 384 | 377 | 754 |
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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