Coastguard Beach surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 am Tuesday 19 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
10.6° C
(Which is slightly warmer than usual)

How big are the waves at Coastguard Beach today?

The current surf forecast for Coastguard Beach at 7AM is: 0.2m 8s primary swell from a East-southeast direction and 0.1m 13s secondary swell from a East direction (forecast issued at 01:00am May 19). An open ocean swell of 1.0m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (19 May)0.5ft (0.2m)8s
Afternoon (19 May)0.5ft (0.2m)8s
Evening (19 May)0.5ft (0.2m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 7mm), mostly falling on Wed night. Warm (max 26°C on Wed morning, min 8°C on Thu afternoon). Winds decreasing (fresh winds from the SSW on Tue afternoon, light winds from the WNW by Thu night).

Tuesday
19
Wednesday
20
Thursday
21
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
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
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
Wave
Height (m)
Direction
Period (s)
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.1
E
16
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.7
SW
6
0.4
SSE
7
0.4
S
7
0.3
S
7
0.8
N
4
0.9
NNE
6
0.2
ESE
9
0.4
SE
9
0.2
S
6
Wave Graph
Metric surfscale
Energy kJ
7
7
7
7
7
5
7
6
7
7
7
8
8
8
8
43
15
14
8
26
49
8
21
3
Wind (km/h)
25
SSW
30
SW
30
SW
30
SW
35
SW
40
SSW
35
WSW
30
SW
25
SW
25
SW
25
SW
25
SW
30
SW
25
W
25
SW
20
WNW
25
NNW
20
N
20
N
25
NNE
20
NE
10
E
15
S
15
SW
cross-off
cross-off
cross-off
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
cross-on
cross-on
on
cross
cross-off
High Tide
1:28AM3.37m
2:13PM2.89m
2:23AM3.29m
3:10PM2.84m
3:21AM3.17m
4:09PM2.78m
Low Tide
7:58AM-0.09m
8:09PM0.38m
8:54AM-0.01m
9:07PM0.45m
9:52AM0.11m
10:08PM0.53m
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
clear
clear
part cloud
clear
rain showers
rain showers
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:15
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:55
7:57
7:58
1
2
4
Temp °C
18
18
19
22
21
19
18
19
19
19
21
26
25
23
22
22
16
14
11
9
8
9
10
11
15
14
15
19
17
14
13
15
16
15
18
24
21
21
21
19
11
9
6
3
3
5
5
7
Swell 1
Height (m)
Direction
Period (s)
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.1
E
16
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.4
SSE
7
0.4
S
7
0.3
S
7
0.3
S
7
0.2
S
7
0.7
NNE
5
0.4
NNE
5
0.4
NE
4
Energy kJ
7
7
7
7
7
5
7
6
7
7
7
8
8
8
8
8
15
14
8
8
3
25
9
5
Swell 2
Height (m)
Direction
Period (s)
0.1
NE
4
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
16
0.1
E
16
0.1
E
16
0.1
E
16
0.1
E
16
0.1
E
16
0.1
E
12
0.1
E
12
0.1
E
14
0.1
E
15
0.3
SW
4
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
S
6
0.2
ESE
9
0.2
S
6
Energy kJ
1
3
3
4
5
5
5
5
5
5
3
3
4
4
2
8
7
8
8
3
8
3
Swell 3
Height (m)
Direction
Period (s)
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
16
0.1
E
16
0.1
E
16
0.1
E
16
0.1
E
12
0.1
E
15
0.1
E
15
0.1
E
15
0.1
E
15
0.2
ESE
9
0.1
E
14
0.1
E
15
0.1
E
15
0.1
E
15
0.2
ESE
9
0.4
SE
9
0.1
E
9
Energy kJ
3
3
3
5
5
5
5
3
4
4
4
4
8
4
4
4
4
8
21
2
Wind waves
Height (m)
Direction
Period (s)
0.9
SSW
4
1
SSW
4
1
SSW
4
1.1
SSW
5
1.2
SSW
5
1.3
SSW
5
1.4
SSW
5
1.2
SW
5
1
SSW
4
0.9
SSW
4
0.9
SSW
4
1
SSW
4
1.2
SSW
5
1.3
SSW
5
1.1
SW
4
0.7
SW
6
0.6
NW
3
0.9
NNW
4
1.1
N
5
0.8
N
4
0.9
NNE
6
0.3
S
6
Energy kJ
23
42
42
54
69
86
98
67
40
32
31
38
59
87
45
43
7
29
53
26
49
7
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
137
167
167
161
161
129
102
128
128
129
169
377
167
120
120
120
157
119
143
143
139
486
488
611
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
2
1
1
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
4
2
1
2
1
2
2
2
2
2
1
2
1
1
3
3
3
2
1
1
1
Header Global
Rating
(10 max)
4
4
4
4
4
4
5
5
5
4
4
4
5
5
5
4
5
4
4
4
5
4
4
5
  • 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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