Coastguard Beach Surf Break

Lat Long: 41.83° N 69.95° W

Coastguard Beach Surf Forecast and Surf Report

Issued: 1 pm 04 Sep 2026 (local time)

Forecast update in  hr  min

Today's Coastguard Beach sea temperature is
20.0°C
1.0° 

Coastguard Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Coastguard Beach surf forecast from 4 Sep 2026:

  • Best quality surf: Sunday 6 Sep, 5PM (local time) - 6ft (1.9m), 8s period, NE swell with cross-offshore winds.
  • Most powerful swell: Sunday 6 Sep, 5PM (local time) - 6ft (1.9m), 8s period, NE swell with 434 kJ wave energy.
  • Next surfable swell (1★+): Sunday 6 Sep, 5PM (local time) - 6ft (1.9m), 8s 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 5PM. The primary swell is predicted to be 1.9m and 8s period with a secondary swell of 0.1m and 7s. Another secondary swell of 1.2m and 8s is also forecast. 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 1.9m 8s and forecast to arrive on Sunday (Sep 06) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Thursday (Sep 10) at 5AM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Sun 6th Sep)6ft (1.9m) 8s
Best Surf 5PM (Sun 6th Sep)6ft (1.9m) 8s
Most Powerful 5PM (Sun 6th Sep)6ft (1.9m) 8s

Table - best surf conditions forecast for Coastguard Beach over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s take a look at what’s on the cards for Coastguard Beach over the next couple of weeks.

Right off the bat, I gotta be straight with you – it’s a lean stretch. The first few days are a write-off. We’re talking Friday the 4th through to Sunday the 6th, with nothing but poor surf and onshore or cross-shore winds messing things up. The water temp is sitting at 68.0°, which is about a degree and a half warmer than usual for this time of year – nothing wild, but a touch on the balmy side.

The first real glimmer of hope shows up on Sunday afternoon, the 6th of September. Now, this is a bit of a funny one. The swell jumps up to 6.2ft, coming from the NE with a short period of 8 seconds. The combined energy is strong, reading 617 (moderate wave energy), and we’ve got a cross-offshore breeze from the NNW at 15 km/h. That’s a clean window. This is the standout of the whole forecast. It’s a punchy little pulse for a beach break, but with that clean wind, the waves will be holding shape. It’s not huge, but it’s the best we’ll see. Because it’s a beach break, the short period means it won’t be too straight – it’ll be a fun, punchy afternoon for anyone who’s been waiting.

After that, it’s back to the doldrums. Monday the 7th has a tiny 2.3ft swell with clean offshore wind (W at 10 km/h), but the energy is weak (69). It’s surfable, but ordinary. Then Tuesday and Wednesday of that first week are tiny – we’re talking 0.7ft to 1.0ft – with clean conditions but no power.

Moving into the second week, there’s a little more life. Thursday the 10th of September has a 4.3ft swell from the SSW, but the period is short at 8 seconds, and the wind is a fresh 30 km/h cross-offshore. The combined energy is 194 (moderate), but that wind is muscling things up. It’s a “look but don’t be too keen” situation. The rest of the week from the 11th to the 14th is a mix of tiny swell and cross-offshore breezes – nothing to get excited about.

The tail end of the forecast, from the 15th to the 19th, is mostly flat or very small. There’s a glassy morning on Tuesday the 15th with a 1.6ft swell from the E, but it’s a weak 8-second period and low energy (38). It’s pretty, but barely breaking. The 18th of September brings a very long-period 12-second swell, but it’s tiny at 0.7ft and onshore – a cruel tease. The 19th has a 0.3ft ripple with a long 11-second period, but again, nothing to ride.

So, the honest truth? The only real highlight is Sunday afternoon the 6th. If you can get out then, you’ll score a clean, fun wave. The rest of the 16 days is a long, quiet stretch. It’s one of those periods where you check the forecast, sigh, and wait for the next pulse.

Stay salty.

Short Range Forecast

Mostly dry. Warm (max 22°C on Fri night, min 16°C on Sat night). Winds increasing (light winds from the SSW on Fri night, fresh winds from the N by Sun morning).

Days 5-7 Weather Summary

Light rain (total 3mm), mostly falling on Wed night. Warm (max 23°C on Thu morning, min 19°C on Mon afternoon). Winds increasing (light winds from the S on Wed morning, strong winds from the SW by Wed night).

Fri
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
3
0
0
1
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
E
7
0.4
E
7
0.9
NE
4
0.9
NE
5
1.1
NE
7
0.2
SSE
9
1.9
NE
8
0.7
NE
8
0.7
NE
9
0.6
NE
9
0.4
ENE
9
0.3
ENE
9
0.3
ENE
9
0.2
ENE
8
0.2
ENE
9
0.1
E
10
0.1
E
10
1.3
SSW
8
0.5
SSE
8
0.4
SSE
8
Wave Graph
Metric surfscale
Energy kJ
22
14
28
42
109
8
434
72
77
65
32
16
15
7
8
3
2
192
36
19
Wind (km/h)
10
E
25
NW
25
NNE
25
NNE
30
N
35
N
15
NNW
20
NW
20
NNW
10
W
20
NW
15
WNW
15
ESE
15
ESE
10
SSW
25
SSW
45
SW
30
WNW
30
NW
30
NNW
Wind State
on
cross-off
cross-on
cross
cross
cross
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
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
10:27AM2.82m
10:44PM3.08m
11:16AM2.94m
11:35PM3.10m
Low Tide
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
4:30PM0.39m
5:04AM0.18m
5:23PM0.28m
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
rain showers
clear
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:11
6:11
6:13
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
7:07
7:05
7:02
7:01
7:00
6:58
 mm
3
Temp °C
20
22
19
18
18
16
18
19
18
22
21
22
22
22
22
22
22
23
21
18
Feels °C
20
22
17
14
14
9
14
17
14
19
16
18
20
21
21
21
18
18
16
10
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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