Coastguard Beach Surf Break

Lat Long: 41.83° N 69.95° W

Coastguard Beach Surf Forecast and Surf Report

Issued: 1 pm 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Coastguard Beach sea temperature is
21.8° C
1.4° 

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 16 Aug 2026:

  • Most powerful swell: Tuesday 18 Aug, 11AM (local time) - 2.5ft (0.7m), 8s period, SE swell with 60 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 0.7m 8s and forecast to arrive on Tuesday (Aug 18) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Monday (Aug 17) at 2AM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11AM (Tue 18th Aug)2.5ft (0.7m) 8s

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


The Lowdown

Alright folks, Rusty here. Let’s break down what we’ve got for the next couple of weeks.

Well, I’ll be honest with you, it’s looking pretty bleak out there for the whole 16-day window. We’ve got one spot on the map, Coastguard Beach, but the ocean just isn’t playing ball. For the first week, through to around the 22nd of August, the swell is tiny – we’re talking knee-high dribble at best, with swell heights barely reaching 3 ft. Combined wave energy is consistently weak, hanging below 60 (moderate wave energy), and the periods are short and choppy. The wind is almost always a problem, too – cross-shore, cross-onshore, and generally messy. There’s nothing worth paddling out for.

We do see a shift in the pattern kicking off Sunday the 23rd of August. The swell drops right off to just 0.7 ft, but we get a glimpse of some proper glassy conditions on the morning of the 23rd, with a gentle southerly breeze. It’s flat, but it’s clean. The swell direction comes from the east, with a period of 12 seconds – that’s a touch of proper groundswell energy, but with no height to work with, it’s nothing more than a pretty picture.

From the 24th of August right through to the end of the month, it’s the same story: tiny surf, mostly onshore or cross-shore winds, and no real energy. Even when the wind cleans up, like on the 28th of August with a clean cross-offshore breeze, the swell is barely 2 ft. The water temp’s sitting at about 71° on the 16th, which is a touch warmer than normal for the time of year.

Overall, there are zero standout days. The whole forecast is a bust for surf. For a beach setup like Coastguard, with this kind of weak swell and messy wind, honestly, this looks more like a kitesurfer’s scene than a surfer’s. Sometimes you get a blank run like this; it’s just one of those periods. Forecasts can always change, but for now, I’d leave the board in the car.

Rusty.

Short Range Forecast

Some drizzle, heaviest during Mon morning. Warm (max 26°C on Wed morning, min 19°C on Tue afternoon). Winds decreasing (fresh winds from the SSE on Mon afternoon, calm by Tue night).

Days 5-7 Weather Summary

Light rain (total 9mm), mostly falling on Thu afternoon. Warm (max 27°C on Wed afternoon, min 18°C on Thu afternoon). Winds decreasing (fresh winds from the SSW on Wed afternoon, light winds from the SW by Thu afternoon).

Sun
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
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
0
0
0
0
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
S
3
0.1
E
8
0.8
S
4
0.9
SSE
4
0.7
ESE
5
0.7
SE
8
0.6
ESE
7
0.6
ESE
7
0.6
ESE
6
0.5
ESE
7
0.4
ESE
6
0.4
ESE
7
0.4
ESE
7
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.3
E
8
0.3
E
7
0.3
E
7
0.2
E
13
Wave Graph
Metric surfscale
Energy kJ
4
1
21
32
24
60
37
30
26
25
15
18
17
22
23
22
10
10
9
13
Wind (km/h)
25
S
25
S
25
S
20
SSE
10
NE
20
N
20
N
5
W
15
S
30
SSW
20
SW
10
WNW
5
SW
15
WNW
25
NE
20
ENE
15
SE
20
ESE
20
E
10
NE
Wind State
cross
cross
cross
cross-on
cross-on
cross
cross
off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross-on
on
cross-on
High Tide
2:46PM2.99m
3:10AM2.83m
3:32PM2.89m
4:00AM2.64m
4:19PM2.78m
4:52AM2.46m
5:08PM2.66m
5:47AM2.31m
6:01PM2.56m
6:46AM2.21m
6:57PM2.51m
7:46AM2.18m
7:54PM2.50m
Low Tide
9:00PM0.32m
9:18AM0.43m
9:50PM0.44m
10:04AM0.62m
10:42PM0.56m
10:51AM0.79m
11:37PM0.68m
11:42AM0.93m
00:34AM0.76m
12:38PM1.01m
1:34AM0.80m
1:35PM1.04m
2:31AM0.78m
part cloud
part cloud
light rain
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
rain showers
mod rain
clear
clear
clear
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:50
5:50
5:52
5:52
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:38
7:37
7:36
7:34
7:32
7:30
7:30
 mm
1
2
7
Temp °C
23
22
20
21
21
21
20
21
26
27
24
24
20
20
19
19
19
18
19
18
Feels °C
20
19
18
21
22
21
19
23
26
25
22
25
19
20
15
15
16
16
16
17
  • Map Icons:
  • Break
  • 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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