Plum Island surf break

Plum Island surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 pm Sunday 24 May 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Plum Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Plum Island sea temperature is
11.3° C
(Which is slightly warmer than usual)

How big are the waves at Plum Island today?

The current surf forecast for Plum Island at 9PM is: 1.1m 5s primary swell from a Southeast direction and 0.1m 9s secondary swell from a Southeast direction, 0.1m 12s secondary swell from a East direction (forecast issued at 01:00pm May 24). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (24 May)2ft (0.6m)4s
Afternoon (24 May)2.5ft (0.8m)4s
Evening (24 May)3.5ft (1.1m)5s

Table - waves today at Plum Island. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 23mm), heaviest during Mon morning. Warm (max 24°C on Wed morning, min 9°C on Sun afternoon). Wind will be generally light.

Sun
24
Monday
25
Tuesday
26
Wed
27
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
5 AM
8 AM
Rating
(10 max)
0
0
0
0
0
0
1
2
2
2
2
2
2
1
0
1
0
0
0
0
0
0
1
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)
0.6
SE
4
0.7
SE
4
0.8
SE
5
1
SE
5
1.4
SE
6
1.9
SE
6
1.9
SE
7
1.8
SE
7
1.6
SE
8
1.5
SE
8
1.3
SE
8
1.3
SE
8
1.3
SE
8
1.2
SE
8
1.1
SE
8
1.1
SE
8
1.1
SE
8
1
SE
8
1
SE
8
1.2
SE
8
1
S
5
0.6
SE
8
0.8
SE
8
0.6
SE
7
Wave Graph
Metric surfscale
Energy kJ
14
18
29
53
120
284
361
365
308
284
233
211
211
192
167
151
143
119
119
173
46
46
67
44
Wind (km/h)
15
ESE
15
ESE
20
E
25
E
25
ESE
20
ESE
10
SE
5
WSW
10
WNW
10
W
10
SW
10
WNW
10
NNW
10
NNW
5
N
0
NNW
10
S
15
S
20
S
15
SSW
15
WSW
15
WSW
15
WSW
15
W
on
on
on
on
on
cross-on
cross-on
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross
glassy
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
off
High Tide
7:35PM2.36m
7:57AM2.33m
8:36PM2.39m
9:03AM2.26m
9:31PM2.41m
Low Tide
1:44PM0.09m
2:16AM0.24m
2:42PM0.13m
3:15AM0.16m
3:36PM0.16m
4:10AM0.08m
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:11
5:11
5:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:07
8:07
8:08
8:09
3
4
4
2
1
3
5
1
Temp °C
11
9
9
9
11
11
12
13
12
13
19
20
17
15
14
14
18
22
22
20
20
18
18
20
7
6
5
4
7
7
11
13
11
11
19
19
16
14
14
14
17
19
18
18
18
15
16
18
Swell 1
Height (m)
Direction
Period (s)
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.1
E
12
0.1
E
18
0.1
E
17
1.8
SE
7
1.6
SE
8
1.5
SE
8
1.3
SE
8
1.3
SE
8
1.3
SE
8
1.2
SE
8
1.1
SE
8
1.1
SE
8
1.1
SE
8
1
SE
8
0.1
E
15
0.1
E
15
0.9
SSE
5
0.6
SE
8
0.8
SE
8
0.6
SE
7
Energy kJ
3
3
3
3
3
6
6
365
308
284
233
211
211
192
167
151
143
119
4
4
30
46
67
44
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
7
0.1
SE
7
0.1
E
12
0.1
E
12
0.1
E
18
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
16
0.1
E
16
0.1
E
16
0.1
E
15
0.1
E
15
0.1
E
15
0.6
SE
8
0.5
SSE
4
0.1
E
15
0.1
E
15
Energy kJ
2
2
3
3
6
5
5
5
5
5
5
5
5
5
4
4
4
46
12
4
4
Swell 3
Height (m)
Direction
Period (s)
0.1
E
12
0.1
E
12
0.1
E
18
0.1
E
18
0.1
E
15
0.1
E
15
Energy kJ
3
3
6
6
4
4
Wind waves
Height (m)
Direction
Period (s)
0.6
SE
4
0.7
SE
4
0.8
SE
5
1
SE
5
1.4
SE
6
1.9
SE
6
1.9
SE
7
1
SE
8
1.2
SE
8
1
S
5
0.4
WSW
3
0.4
WSW
3
0.3
WSW
3
Energy kJ
14
18
29
53
120
284
361
119
173
41
4
4
2
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
1
2
2
2
2
2
2
2
2
2
1
2
1
1
1
1
1
1
1
1
1
Distance (km)
553
464
772
833
187
182
38
0
0
0
0
0
0
0
9
0
4
110
182
182
4
4
0
4
Best forecast wave conditions in Massachusetts
Rating
(10 max)
3
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
2
1
1
3
3
3
3
3
2
2
4
2
3
9
9
9
1
1
1
1
1
4
4
Header Global
Rating
(10 max)
5
5
5
5
4
4
4
5
4
4
4
4
5
5
9
9
9
6
6
7
7
8
7
7
  • 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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