Plum Island Surf Break

Lat Long: 42.80° N 70.81° W

Issued: 7 pm 23 Jun 2026 (local time)

Forecast update in  hr  min

Today's Plum Island sea temperature is
14.5° C

1.0°C colder than average for this time of year

Plum Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Plum Island today (24 Jun):

  • Morning surf: Morning surf (24 Jun, local time) - 2ft (0.6m), 7s period with SE swell.
  • Afternoon surf: Afternoon surf (24 Jun, local time) - 2ft (0.6m), 7s period with SE swell.
  • Evening surf: Evening surf (24 Jun, local time) - 2ft (0.6m), 7s period with SE swell.

The current surf forecast for Plum Island at 4AM is: 0.6m 5s primary swell from a East-southeast direction and 0.3m 7s secondary swell from a Southeast direction (forecast issued at 07:00pm June 23). The wind direction is predicted to be glassy.

Time (EDT) & DateWave HeightWave Period
Morning (24 Jun)2ft (0.6m)7s
Afternoon (24 Jun)2ft (0.6m)7s
Evening (24 Jun)2ft (0.6m)7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 8mm), mostly falling on Thu night. Warm (max 26°C on Wed afternoon, min 16°C on Tue night). Wind will be generally light.

Tue
23
Wednesday
24
Thursday
25
Fri
26
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
11 AM
2 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SE
6
0.6
SE
5
0.6
SE
5
0.6
ESE
5
0.6
ESE
5
0.6
SE
7
0.6
SE
7
0.6
SE
7
0.6
SE
7
0.6
SE
7
0.6
SE
7
0.6
SE
7
0.5
SE
8
0.5
SE
8
0.5
SE
8
0.5
SE
8
0.6
SE
8
0.9
SSE
4
1.1
SSE
5
0.9
SSE
5
1.1
S
4
0.9
SSE
5
1
SSE
5
0.8
SSE
5
Wave Graph
Metric surfscale
Energy kJ
36
23
23
19
19
37
38
38
39
31
33
33
28
28
29
29
45
28
56
33
43
37
49
33
Wind (km/h)
0
NE
10
SSE
5
SSW
5
SW
10
NW
10
NW
10
NW
10
WNW
20
NNW
15
NW
10
WNW
10
WNW
10
W
10
WSW
10
SW
10
SSE
10
SE
15
NW
0
ESE
15
S
15
SSW
10
SW
10
SW
10
SSE
Wind State
glassy
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-on
cross-on
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross
High Tide
7:57PM2.37m
8:29AM2.10m
8:51PM2.36m
9:30AM2.05m
9:41PM2.36m
10:24AM2.03m
Low Tide
2:08PM0.20m
2:46AM0.15m
3:02PM0.26m
3:42AM0.11m
3:54PM0.30m
4:33AM0.08m
cloud
light rain
part cloud
cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
rain showers
cloud
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:05
5:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:24
8:24
8:24
8:24
 mm
1
1
3
2
1
Temp °C
20
18
18
17
16
18
23
26
26
24
21
20
19
19
24
25
22
19
17
16
16
16
18
23
Feels °C
22
19
19
18
16
18
21
24
22
22
19
18
17
17
23
22
20
18
18
15
15
16
18
23
Swell 1
Height (m)
Direction
Period (s)
0.8
SE
6
0.6
SE
5
0.6
SE
5
0.6
ESE
5
0.6
ESE
5
0.6
SE
7
0.6
SE
7
0.6
SE
7
0.6
SE
7
0.6
SE
7
0.6
SE
7
0.6
SE
7
0.5
SE
8
0.5
SE
8
0.5
SE
8
0.2
E
6
0.1
E
6
0.3
SE
7
0.1
E
12
0.9
SSE
5
0.1
E
12
0.1
E
12
0.1
SE
12
0.1
SE
12
Energy kJ
36
23
23
19
19
37
38
38
39
31
33
33
28
28
29
2
1
8
3
33
3
3
5
5
Swell 2
Height (m)
Direction
Period (s)
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.3
SE
7
0.3
E
5
0.3
E
5
0.1
SE
7
0.1
E
8
0.2
SSE
3
0.1
E
7
0.1
E
7
0.2
E
6
0.2
E
6
0.2
E
6
0.2
E
6
0.1
E
5
0.1
E
5
0.1
E
12
0.1
E
12
0.1
E
11
0.1
E
12
Energy kJ
2
2
2
2
8
4
4
2
1
1
1
1
3
3
3
2
1
1
3
3
3
3
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
8
0.1
SE
11
0.1
E
6
0.1
E
8
0.1
E
8
0.1
E
6
0.1
E
9
0.1
E
12
0.1
E
8
0.1
E
12
Energy kJ
2
4
1
1
1
1
1
3
1
3
Wind waves
Height (m)
Direction
Period (s)
0.2
N
3
0.2
SSE
2
0.3
S
3
0.3
NW
2
0.3
NW
2
0.2
WNW
2
0.5
SE
8
0.6
SE
8
0.9
SSE
4
1.1
SSE
5
0.2
WSW
3
1.1
S
4
0.9
SSE
5
1
SSE
5
0.8
SSE
5
Energy kJ
1
1
1
1
1
1
29
45
28
56
1
43
37
49
33
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
Distance (km)
169
169
152
177
166
4
4
4
54
146
54
54
54
54
182
926
509
499
0
274
14
14
4
4
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
1
1
2
3
3
3
4
1
1
1
2
3
3
3
3
2
2
2
2
3
3
3
2
2
Header Global
Rating
(10 max)
7
8
9
9
9
9
8
7
6
5
5
6
5
5
5
4
5
5
5
6
5
5
5
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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