Plum Island Surf Break

Lat Long: 42.80° N 70.81° W

Issued: 7 pm 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 (30 Jun):

  • Morning surf: Morning surf (30 Jun, local time) - 1.5ft (0.4m), 9s period with SE swell.
  • Afternoon surf: Afternoon surf (30 Jun, local time) - 2ft (0.6m), 8s period with SSE swell.
  • Evening surf: Evening surf (30 Jun, local time) - 4.5ft (1.3m), 5s period with S swell.

The current surf forecast for Plum Island at 1AM is: 0.5m 10s primary swell from a Southeast direction (forecast issued at 07:00pm June 29). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (30 Jun)1.5ft (0.4m)9s
Afternoon (30 Jun)2ft (0.6m)8s
Evening (30 Jun)4.5ft (1.3m)5s

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 38°C on Thu afternoon, min 20°C on Mon night). Wind will be generally light.

Mon
29
Tuesday
30
Wednesday
1
Thu
2
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
1
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
Wave
Height (m)
Direction
Period (s)
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.4
SE
10
0.4
SE
10
0.5
SE
10
0.4
SE
8
0.6
SSE
8
1.1
SSE
4
1.4
SSE
5
1.2
S
5
1.1
S
5
1.1
S
5
0.9
SSE
5
0.7
SSE
6
0.4
SE
10
0.4
SE
10
0.9
SSE
6
1
S
6
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
9
0.4
SE
9
Wave Graph
Metric surfscale
Energy kJ
46
46
45
33
33
46
17
45
45
109
75
59
64
42
34
24
24
53
76
25
23
23
22
21
Wind (km/h)
10
SE
10
SSE
10
SSW
10
WSW
10
SW
10
SW
10
S
20
SSE
15
SSE
20
SSW
20
SSW
20
SW
20
SW
20
WSW
15
WSW
10
W
20
W
15
WSW
15
SW
15
WSW
15
WSW
15
W
15
WNW
15
WNW
Wind State
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
off
off
off
cross-off
cross-off
High Tide
00:26AM2.49m
1:02PM2.14m
1:03AM2.53m
1:38PM2.19m
1:41AM2.56m
Low Tide
6:55PM0.38m
7:31AM0.06m
7:35PM0.40m
8:09AM0.08m
8:12PM0.42m
8:46AM0.11m
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
rain showers
rain showers
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
1
1
Temp °C
23
22
21
21
20
20
26
28
28
27
23
22
21
25
32
36
36
33
29
28
26
29
34
37
Feels °C
21
20
19
20
20
20
26
26
26
26
21
20
20
25
33
37
36
35
31
31
28
32
36
37
Swell 1
Height (m)
Direction
Period (s)
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.4
SE
10
0.4
SE
10
0.5
SE
10
0.4
SE
8
0.2
ESE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.3
SE
10
0.9
SSE
5
0.7
SSE
6
0.4
SE
10
0.4
SE
10
0.9
SSE
6
0.2
ESE
10
0.7
S
5
0.6
S
5
0.5
S
5
0.5
S
5
0.4
S
5
Energy kJ
46
46
45
33
33
46
17
10
24
24
24
23
15
42
34
24
24
53
9
25
17
13
13
8
Swell 2
Height (m)
Direction
Period (s)
0.2
ESE
10
0.2
ESE
7
0.2
ESE
10
0.2
ESE
10
0.2
ESE
7
0.2
ESE
10
0.1
SE
7
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
9
0.4
SE
9
Energy kJ
10
5
9
9
5
9
2
23
23
23
22
21
Swell 3
Height (m)
Direction
Period (s)
0.2
S
7
0.1
S
6
0.1
SE
8
0.1
SE
8
0.1
SE
8
Energy kJ
4
1
3
2
3
Wind waves
Height (m)
Direction
Period (s)
0.3
S
2
0.3
SSW
3
0.2
SSW
3
0.6
SSE
8
1.1
SSE
4
1.4
SSE
5
1.2
S
5
1.1
S
5
1.1
S
5
0.6
SW
4
0.4
WSW
4
0.6
S
5
0.6
S
5
1
S
6
0.4
WSW
3
0.4
WSW
3
0.3
WSW
3
0.3
W
3
Energy kJ
1
1
1
45
45
109
75
59
64
10
5
19
19
76
4
4
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
2
Distance (km)
626
444
4
211
54
4
381
1891
627
551
626
790
54
125
9
13
9
0
9
17
17
161
337
1034
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
1
1
2
2
1
2
4
3
1
2
2
2
2
2
2
3
1
1
2
2
2
2
2
2
Header Global
Rating
(10 max)
6
5
5
5
5
5
5
5
5
5
5
5
5
5
4
5
4
5
5
5
6
6
6
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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