Coastguard Beach Surf Break

Lat Long: 41.83° N 69.95° W

Coastguard Beach Surf Forecast and Surf Report

Issued: 7 pm 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Coastguard Beach sea temperature is
19.3°C
0.7° 

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 12 Sep 2026:

  • Best quality surf: Thursday 17 Sep, 2AM (local time) - 2.5ft (0.7m), 8s period, E swell with cross-offshore winds.
  • Most powerful swell: Tuesday 15 Sep, 5AM (local time) - 4.5ft (1.3m), 6s period, NE swell with 120 kJ wave energy.
  • Next surfable swell (1★+): Thursday 17 Sep, 2AM (local time) - 2.5ft (0.7m), 8s period with E 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 (Sep 17) at 2AM. The primary swell is predicted to be 0.7m and 8s period with a secondary swell of 0.1m and 13s. 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 1.3m 6s and forecast to arrive on Tuesday (Sep 15) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Monday (Sep 14) at 8AM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Thu 17th Sep)2.5ft (0.7m) 8s
Best Surf 2AM (Thu 17th Sep)2.5ft (0.7m) 8s
Most Powerful 5AM (Tue 15th Sep)4.5ft (1.3m) 6s

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


The Lowdown

G'day, Rusty here. Let's be straight with you: it's a tough stretch ahead for Coastguard Beach. Over the next 16 days, there's really only a sniff of something just about surfable right at the very end, and even that's nothing to write home about. For the first two weeks, you're looking at a long, frustrating gap with nothing worth paddling out for.

Let's run through it. From Saturday the 12th of September all the way through to pretty much the end of the following week, it's a write-off. Tiny little wind slop, mostly under 2 ft, with short, weak periods under 8 seconds. The wave energy is pitiful, with readings down around the 10 to 47 mark (weak energy). On top of that, the wind is almost always cross, cross-on, or onshore, making it choppy and messy. There's one brief moment on Thursday the 17th and Friday the 18th where it goes clean with a light cross-offshore breeze, but the swell is barely 2 ft with a 12-second period on the Friday – that long-period groundswell at that size won't even show at a beach break like this. Too much paddle for nothing.

Then we get into a proper gale-force mess from the 22nd through to the 25th. Winds howling 28 to 44 mph, swell bumps up to 3 ft but it's completely blown out and dangerous. Not for surfing.

The only day that even gets a mention is Saturday the 26th of September. The morning shows some hope: a 3 ft swell from the east at 7 seconds, but with a clean, cross-offshore breeze from the north-northwest. Wave energy ticks up to 88 (still weak to moderate). That's about as good as it gets here. The afternoon gets messy again though. Then Sunday the 27th of September morning has a 3 ft east swell with a longer 11-second period and a clean cross-offshore from the southwest. The energy jumps to 254 (moderate). That's the only real window of cleanish, surfable waves across the whole 16 days. But don't kid yourself – this is still "poor surf conditions" by swell standards and the break is exposed to that east swell with a cross-off wind. It'll be a long way from epic.

Given the constant onshore and cross-shore winds, and the small, weak swell for most of it, this setup looks a whole lot more interesting for kite surfing than paddle surfing. The consistent, consistent crowds here are "sometimes" a thing, but honestly, you won't have to worry about anyone else out there with you for 99% of this forecast.

That's the tough news. It's a long blank run for Coastguard Beach. Forecasts can change, but as it stands, keep your board in the car for a while longer.

Rusty.

Short Range Forecast

Heavy rain (total 29mm), heaviest during Sun afternoon. Warm (max 20°C on Fri night, min 16°C on Mon morning). Winds increasing (light winds from the NW on Fri night, fresh winds from the NW by Mon morning).

Days 5-7 Weather Summary

Mostly dry. Warm (max 20°C on Thu afternoon, min 14°C on Tue morning). Winds decreasing (fresh winds from the NNE on Mon night, light winds from the E by Wed afternoon).

Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
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
1
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)
0.2
S
6
0.5
ENE
4
0.4
ENE
4
0.7
S
4
0.6
SSE
4
0.4
ESE
9
0.5
SE
4
0.4
ESE
6
0.4
ESE
7
1.4
NE
6
1
NE
6
0.9
ENE
6
0.6
E
7
0.7
E
8
0.7
E
8
0.7
E
8
0.5
E
7
0.5
E
7
0.4
E
7
Wave Graph
Metric surfscale
Energy kJ
3
8
4
15
11
34
9
15
20
118
59
55
35
64
64
61
25
23
15
Wind (km/h)
15
NE
15
ESE
20
SSE
25
S
15
SSE
25
E
10
W
25
N
20
N
35
NNE
25
NE
20
NE
10
NE
10
NE
5
E
15
SSW
20
SSW
30
SW
25
WSW
Wind State
cross-on
on
cross-on
cross
cross-on
on
off
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-off
cross-off
cross-off
cross-off
High Tide
00:23AM3.07m
12:46PM3.07m
1:10AM2.99m
1:28PM3.05m
1:56AM2.87m
2:10PM2.98m
2:41AM2.72m
2:53PM2.88m
3:28AM2.56m
3:38PM2.75m
4:17AM2.40m
4:25PM2.62m
Low Tide
6:35AM0.21m
6:59PM0.19m
7:17AM0.30m
7:45PM0.22m
7:59AM0.42m
8:30PM0.31m
8:41AM0.57m
9:16PM0.43m
9:25AM0.73m
10:05PM0.56m
10:11AM0.87m
10:57PM0.69m
clear
clear
clear
clear
cloud
heavy rain
part cloud
mod rain
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:18
6:18
6:20
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:57
6:54
6:52
6:51
6:50
6:47
6:45
 mm
21
6
2
Temp °C
20
18
19
19
19
19
20
19
18
18
15
14
14
15
16
17
19
20
20
Feels °C
18
16
17
16
16
19
21
16
15
13
9
10
11
14
15
16
17
15
18
  • 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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