Plum Island Surf Break

Lat Long: 42.80° N 70.81° W

Issued: 7 am 29 Jun 2026 (local time)

Forecast update in  hr  min

Today's Plum Island sea temperature is
15.4° C

1.1°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 (29 Jun):

  • Morning surf: Morning surf (29 Jun, local time) - 1.5ft (0.5m), 9s period with SE swell.
  • Afternoon surf: Afternoon surf (29 Jun, local time) - 1.5ft (0.5m), 10s period with SE swell.
  • Evening surf: Evening surf (29 Jun, local time) - 1.5ft (0.5m), 10s period with SE swell.

The current surf forecast for Plum Island at 11AM is: 0.5m 9s primary swell from a Southeast direction and 0.2m 7s secondary swell from a South direction, 0.3m 3s secondary swell from a Northeast direction (forecast issued at 07:00am June 29). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (29 Jun)1.5ft (0.5m)9s
Afternoon (29 Jun)1.5ft (0.5m)10s
Evening (29 Jun)1.5ft (0.5m)10s

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 2mm), mostly falling on Tue night. Warm (max 37°C on Wed afternoon, min 19°C on Mon morning). Wind will be generally light.

Monday
29
Tuesday
30
Wednesday
1
Thu
2
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)
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 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)
0.4
SE
10
0.5
SE
9
0.5
SE
9
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
8
0.7
SSE
8
1.3
SSE
5
1.5
S
6
1.3
S
5
0.2
ESE
10
0.3
SE
8
0.8
SSE
6
0.7
S
6
0.4
SE
10
0.4
SE
10
0.5
SSE
6
0.7
SSE
6
0.4
SE
10
Wave Graph
Metric surfscale
Energy kJ
23
43
43
45
46
46
45
33
33
33
18
56
70
136
94
9
10
43
30
24
24
17
37
23
Wind (km/h)
10
NNW
10
N
10
ENE
15
E
10
SE
10
S
10
SW
10
WSW
10
SW
10
SW
10
SSW
15
S
20
S
25
SSW
25
SW
25
SSW
20
SW
20
SW
20
WSW
20
W
20
WNW
10
W
15
W
15
WNW
Wind State
cross-off
cross
on
on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
off
High Tide
12:28PM2.10m
00:26AM2.49m
1:02PM2.14m
1:03AM2.53m
1:38PM2.19m
1:41AM2.56m
Low Tide
6:50AM0.04m
6:55PM0.38m
7:31AM0.06m
7:35PM0.40m
8:09AM0.08m
8:12PM0.42m
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
rain showers
clear
clear
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:07
5:07
5:07
5:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:24
8:24
8:24
8:24
 mm
2
Temp °C
20
19
21
22
23
22
21
21
20
21
27
30
30
26
23
19
22
25
32
36
37
34
31
28
Feels °C
20
19
20
19
21
20
19
20
20
21
26
28
27
23
20
16
21
24
33
35
37
36
33
30
Swell 1
Height (m)
Direction
Period (s)
0.4
SE
10
0.5
SE
9
0.5
SE
9
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
8
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.8
SSE
6
0.7
S
6
0.4
SE
10
0.4
SE
10
0.5
SSE
6
0.7
SSE
6
0.6
S
5
Energy kJ
23
43
43
45
46
46
45
33
33
33
18
10
10
10
10
9
10
43
30
24
24
17
37
21
Swell 2
Height (m)
Direction
Period (s)
0.2
SSW
3
0.2
S
7
0.2
S
7
0.3
NE
3
0.2
ENE
3
0.2
ESE
10
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.4
SE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.4
SE
10
Energy kJ
1
4
4
1
1
10
10
10
10
24
9
9
9
23
Swell 3
Height (m)
Direction
Period (s)
0.2
SSE
6
0.2
S
7
0.2
S
7
0.2
S
7
0.1
S
6
0.2
ESE
10
0.2
ESE
10
0.2
ESE
7
0.1
SE
7
0.1
SE
7
Energy kJ
4
4
4
4
1
10
9
5
2
2
Wind waves
Height (m)
Direction
Period (s)
0.3
NE
3
0.2
NNE
3
0.3
SW
3
0.3
SW
2
0.3
SW
2
0.2
SSW
2
0.7
SSE
8
1.3
SSE
5
1.5
S
6
1.3
S
5
1.2
S
5
1.2
S
6
0.7
WSW
4
0.4
WSW
4
0.6
S
5
0.5
S
5
0.4
SW
3
0.4
W
3
Energy kJ
1
1
1
1
1
1
56
70
136
94
74
86
13
5
21
13
2
2
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
113
113
166
2003
1279
4
4
211
211
54
381
1282
1892
626
1282
789
789
595
9
1882
54
54
54
13
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
2
1
3
1
1
1
1
2
2
4
1
1
1
2
2
2
3
2
3
1
1
2
3
Header Global
Rating
(10 max)
7
7
5
6
8
5
5
5
5
5
5
5
4
5
5
5
5
5
5
4
4
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
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Plum Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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