
Surf Forecasts:
Coastguard Beach surf forecast from 20 Jul 2026:
- Best quality surf: Thursday 23 Jul, 2AM (local time) - 10ft (3.0m), 10s period, S swell with cross-offshore winds.
- Most powerful swell: Thursday 23 Jul, 2AM (local time) - 10ft (3.0m), 10s period, S swell with 1,718 kJ wave energy.
- Next surfable swell (1★+): Thursday 23 Jul, 2AM (local time) - 10ft (3.0m), 10s period with S 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 Thursday (Jul 23) at 2AM. The primary swell is predicted to be 3.0m and 10s period with a secondary swell of 1.5m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Coastguard Beach in the next 16 days are 3.0m 10s and forecast to arrive on Thursday (Jul 23) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Wednesday (Jul 22) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Thu 23rd Jul) | 10ft (3.0m) 10s |
| Best Surf | 2AM (Thu 23rd Jul) | 10ft (3.0m) 10s |
| Most Powerful | 2AM (Thu 23rd Jul) | 10ft (3.0m) 10s |
Table - best surf conditions forecast for Coastguard Beach over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s talk about what’s coming up for the next couple of weeks.
To be straight with you, the surf outlook for the next 16 days is a bit of a struggle. We’ve got a long stretch ahead with very little on offer. The first week is looking pretty lackluster, and the second week is even quieter. The first real surfable day we see is on Wednesday, 22 July, but even then it’s not a classic.
Let’s start with the overall pattern. We’re stuck with small, short-period windswell for most of the period. The combined swell energy is weak, barely breaking into the triple digits on a couple of days. The water temperature is around 67°F, which is pretty much average for this time of year, so no surprises there.
The only spot on the radar is Coastguard Beach. This is a beginner-friendly, consistent beach break that’s exposed to the swell. The optimum swell direction is from the SE.
The first real bump in energy comes on Wednesday, 22 July. The morning sees a 5 ft swell from the S, with a period of 8 seconds, and a combined energy of 282 (moderate). That’s a step up, but it’s still short-period. The wind is cross-offshore from the SSW at 22 mph, which is strong but will keep the surface clean. By the afternoon, the swell pushes to 6 ft from the S with a period of 9 seconds, and the energy jumps to 493 (strong). The wind stays cross-offshore. This is the best swell of the whole outlook, but it’s still a bit short-period for the beach break, meaning it might be a bit crumbly and not have the best shape. For a beginner, 6 ft is definitely on the bigger side, but for an intermediate, it’s worth a look. The cross-offshore wind is a major positive—it’ll be clean.
Thursday, 23 July, fades quickly. The morning has a 3 ft swell from the SSE with a 10-second period and a combined energy of 175 (moderate). The wind is offshore from the NW at 16 mph, which is a good sign. This is a cleaner, longer-period swell, but the size is small. The afternoon sees the wind switch to a light cross-onshore from the NE, which will mess it up a bit.
After that, it’s a long, sad slide back into tiny, weak surf. From Friday, 24 July, all the way through to the end of the forecast window on 4 August, the swell rarely gets above 2 ft, and the period is mostly short. The combined energy drops to double-digit values, often below 30 (weak). The wind is mostly onshore or cross-onshore, making it choppy and messy. There’s a brief period on the 30th of July with a 2 ft swell from the SSE and a 10-second period, but the energy is only 65 (weak), and the wind is onshore.
So, the standout session is the afternoon of Wednesday, 22 July at Coastguard Beach. The 6 ft S swell with strong cross-offshore wind will give you the cleanest, biggest waves of the window. But don’t expect perfection—the short period means it’ll be a bit sectiony. Thursday morning is a close second with cleaner, longer-period waves but half the size.
For the rest of the time, you’re better off finding something else to do. The swell is too small and the wind is too poor to make anything of it. It’s a classic quiet spell for this area.
Rusty.
Short Range ForecastModerate rain (total 17mm), heaviest on Tue night. Warm (max 23°C on Mon afternoon, min 18°C on Thu morning). Winds increasing (light winds from the S on Mon afternoon, strong winds from the SSW by Tue night). | Days 5-7 Weather SummaryMostly dry. Warm (max 21°C on Fri morning, min 18°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | ||||||||||||||
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) | S 8 | S 3 | SSE 4 | SSE 4 | S 6 | S 8 | S 8 | S 10 | SE 9 | SE 9 | SE 9 | SE 7 | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 7 |
Wave Graph | ||||||||||||||||||||
29 | 8 | 15 | 42 | 124 | 355 | 311 | 1718 | 186 | 123 | 88 | 24 | 25 | 27 | 21 | 21 | 20 | 22 | 19 | 21 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-off | glassy | cross-on | glassy | cross-on | cross-on | glassy | cross-on | cross-on | off |
High Tide | 5:01PM2.79m | 5:28AM2.54m | 5:52PM2.70m | 6:26AM2.39m | 6:44PM2.63m | 7:24AM2.29m | 7:37PM2.59m | 8:21AM2.24m | 8:29PM2.59m | 9:15AM2.25m | 9:19PM2.62m | 10:04AM2.29m | 10:06PM2.68m | |||||||
Low Tide | 11:19PM0.57m | 11:33AM0.68m | 00:17AM0.65m | 12:25PM0.82m | 1:14AM0.71m | 1:18PM0.92m | 2:11AM0.73m | 2:11PM0.97m | 3:04AM0.71m | 3:03PM0.96m | 3:53AM0.66m | 3:51PM0.92m | 4:39AM0.59m | |||||||
— | — | 5:22 | — | — | 5:22 | — | — | 5:24 | — | — | 5:24 | — | — | 5:26 | — | — | 5:26 | — | — | |
8:08 | — | — | 8:08 | — | — | 8:07 | — | — | 8:07 | — | — | 8:06 | — | — | 8:05 | — | — | 8:04 | — | |
mm | — | — | — | — | 13 | 1 | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 21 | 21 | 22 | 23 | 23 | 23 | 22 | 18 | 20 | 20 | 21 | 21 | 20 | 19 | 20 | 18 | 19 | 19 | 19 |
Feels °C | 21 | 17 | 19 | 19 | 18 | 20 | 20 | 18 | 13 | 18 | 18 | 21 | 19 | 18 | 18 | 18 | 16 | 17 | 18 | 20 |
Swell 1 Height (m) Direction Period (s) | N 4 | SE 9 | E 12 | SE 11 | E 11 | — | SE 9 | S 10 | SE 9 | SE 9 | SE 9 | SE 7 | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 7 |
1 | 3 | 3 | 5 | 2 | — | 23 | 506 | 186 | 123 | 88 | 24 | 25 | 27 | 21 | 21 | 20 | 22 | 19 | 21 | |
Swell 2 Height (m) Direction Period (s) | — | SE 12 | SE 12 | E 8 | — | — | — | — | SE 8 | N 3 | SE 7 | S 8 | S 8 | S 7 | S 6 | — | S 6 | S 6 | S 5 | — |
— | 5 | 5 | 1 | — | — | — | — | 107 | 1 | 41 | 5 | 13 | 4 | 1 | — | 1 | 1 | 1 | — | |
Swell 3 Height (m) Direction Period (s) | — | E 12 | E 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | E 13 | — | — | — |
— | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | |
Wind waves Height (m) Direction Period (s) | S 8 | S 3 | SSE 4 | SSE 4 | S 6 | S 8 | S 8 | S 10 | N 3 | — | — | NNE 4 | NE 4 | — | — | SSE 2 | S 3 | — | SE 3 | — |
29 | 8 | 15 | 42 | 124 | 355 | 311 | 1718 | 1 | — | — | 7 | 3 | — | — | 1 | 1 | — | 1 | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 136 | 1924 | 140 | 1148 | 1148 | 1148 | 69 | 102 | 0 | 99 | 128 | 0 | 14 | 613 | 14 | 139 | 842 | 137 | 139 | 757 |
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.










