Coastguard Beach surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 7 am Saturday 16 May 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Coastguard Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Coastguard Beach sea temperature is
10.2° C
(Which is slightly warmer than usual)

How big are the waves at Coastguard Beach today?

The current surf forecast for Coastguard Beach at 2PM is: 0.7m 9s primary swell from a East direction and 0.7m 9s secondary swell from a South-southeast direction (forecast issued at 07:00am May 16). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (16 May)3ft (0.9m)9s
Afternoon (16 May)2.5ft (0.7m)9s
Evening (16 May)2ft (0.6m)9s

Table - waves today at Coastguard Beach. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 25°C on Sun afternoon, min 12°C on Sat morning). Mainly strong winds.

Saturday
16
Sunday
17
Monday
18
Tue
19
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
Rating
(10 max)
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1
E
9
0.9
E
9
0.8
E
9
0.7
E
9
0.7
E
9
0.6
E
9
0.4
ENE
9
0.4
E
9
0.4
SE
8
0.6
SSE
7
0.6
SSE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.7
E
7
0.4
SE
7
0.4
SE
7
0.6
SE
7
0.6
SSE
3
0.5
SSE
3
0.3
SE
8
Wave Graph
Metric surfscale
Energy kJ
170
137
104
78
76
54
27
23
18
36
42
22
16
16
15
20
14
53
14
14
34
8
7
11
Wind (km/h)
15
WSW
20
WSW
20
SW
30
SSW
35
SSW
30
SW
35
SW
40
SW
30
SW
20
WSW
15
WNW
10
SSW
10
SSW
15
WSW
10
N
20
NE
15
ENE
15
E
15
ESE
15
SE
20
SSE
15
SSE
20
S
20
SSW
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
on
on
cross-on
cross
cross-on
cross
cross-off
High Tide
11:31AM2.85m
11:42PM3.32m
12:24PM2.91m
00:34AM3.38m
1:18PM2.92m
1:28AM3.37m
Low Tide
5:19AM0.07m
5:27PM0.36m
6:11AM-0.05m
6:19PM0.33m
7:04AM-0.11m
7:13PM0.33m
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:18
5:18
5:16
5:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:52
7:53
7:54
7:55
Temp °C
11
12
15
16
17
14
14
15
14
17
21
23
25
24
22
16
15
14
14
14
14
13
15
17
8
8
11
10
11
8
7
7
8
14
19
21
22
21
19
11
11
10
9
9
8
10
12
15
Swell 1
Height (m)
Direction
Period (s)
1
E
9
0.9
E
9
0.8
E
9
0.7
E
9
0.7
E
9
0.6
E
9
0.4
ENE
9
0.4
E
9
0.4
SE
8
0.6
SSE
7
0.6
SSE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SW
4
0.4
SE
8
0.1
SW
4
0.4
SE
7
0.4
SE
7
0.2
NNE
4
0.2
NNE
4
0.2
ESE
7
0.3
SE
8
Energy kJ
170
137
104
78
76
54
25
23
18
36
42
22
16
16
15
5
14
1
14
14
1
1
5
11
Swell 2
Height (m)
Direction
Period (s)
0.8
SE
10
0.6
SE
10
0.6
SE
10
0.7
SSE
9
0.6
ESE
9
0.6
ESE
9
0.4
SE
8
0.3
SE
8
0.3
ENE
8
0.2
E
8
0.2
E
8
0.2
E
8
0.1
NE
8
0.1
E
14
0.1
E
14
0.4
SE
8
0.2
SSW
4
0.1
E
18
0.4
NE
4
0.1
S
6
0.1
E
9
Energy kJ
120
77
76
68
53
54
18
11
13
5
5
5
2
4
4
20
2
6
5
1
2
Swell 3
Height (m)
Direction
Period (s)
0.6
SSE
9
0.6
SSE
9
0.5
SSE
9
0.6
ESE
9
0.5
SSE
8
0.4
SSE
8
0.4
ESE
8
0.1
E
14
0.1
E
15
0.1
E
14
0.1
E
14
0.1
E
18
0.2
SSW
6
0.1
E
13
Energy kJ
59
59
45
49
39
26
27
4
4
4
4
6
4
3
Wind waves
Height (m)
Direction
Period (s)
0.4
SW
3
0.5
SW
3
0.8
SSW
4
0.9
SSW
4
1
SSW
4
1.2
SSW
5
1.4
SSW
5
1.2
SSW
5
0.6
WSW
4
0.4
WSW
4
0.6
SSW
3
0.9
SW
4
0.9
SW
4
0.7
SW
4
0.5
NE
3
0.7
E
7
0.5
E
4
0.5
E
4
0.6
SE
7
0.6
SSE
3
0.5
SSE
3
0.5
S
3
Energy kJ
2
5
18
31
42
61
98
72
10
6
6
24
26
16
5
53
6
6
34
8
7
6
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
4
4
17
65
69
929
1148
132
129
11
10
10
128
120
106
66
103
167
313
477
477
477
132
180
Best forecast wave conditions in Massachusetts
Rating
(10 max)
2
2
2
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
4
3
4
2
4
3
3
4
4
2
4
1
3
4
4
5
3
4
4
3
2
1
2
3
Header Global
Rating
(10 max)
5
5
5
6
5
4
4
4
6
9
9
7
4
4
5
7
5
4
5
5
4
4
4
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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