Plum Island Surf Break

Lat Long: 42.80° N 70.81° W

Plum Island 48 hour detailed Surf Forecast

Issued: 7 am 25 Jul 2026 (local time)

Forecast update in  hr  min

Today's Plum Island sea temperature is
16.1° C
3.0° 

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 (25 Jul):

  • Morning surf: Morning surf (25 Jul, local time) - 2ft (0.6m), 7s period with SE swell.
  • Afternoon surf: Afternoon surf (25 Jul, local time) - 2ft (0.6m), 7s period with SE swell.
  • Evening surf: Evening surf (25 Jul, local time) - 2ft (0.6m), 7s period with SE swell.

The current surf forecast for Plum Island at 11AM is: 0.6m 7s primary swell from a Southeast direction (forecast issued at 07:00am July 25). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (25 Jul)2ft (0.6m)7s
Afternoon (25 Jul)2ft (0.6m)7s
Evening (25 Jul)2ft (0.6m)7s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Sat morning, min 14°C on Sun night). Wind will be generally light.

Saturday
25
Sunday
26
Monday
27
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
1
0
0
0
0
0
1
1
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)
0.7
SE
8
0.6
SE
7
0.6
SE
7
0.6
SE
7
0.6
SE
7
0.6
SE
7
0.7
SE
7
0.7
SE
7
0.8
SE
7
0.8
SE
7
0.8
SE
7
0.8
SE
7
0.8
ESE
7
0.8
ESE
7
0.8
ESE
7
0.8
ESE
7
0.8
ESE
7
0.8
ESE
7
0.8
ESE
7
0.8
ESE
7
0.8
ESE
7
0.6
E
7
0.8
ESE
7
Wave Graph
Metric surfscale
Energy kJ
55
44
42
41
41
39
48
48
60
60
62
64
68
68
68
70
70
70
61
59
56
32
56
Wind (km/h)
5
WSW
5
SSW
10
ESE
20
SE
15
SE
10
SE
5
SSW
5
NNW
5
N
5
NNE
10
E
15
ENE
15
E
10
E
0
ENE
5
NW
5
N
5
N
10
E
15
ESE
15
SE
10
SE
10
S
Wind State
cross-off
glassy
on
cross-on
cross-on
cross-on
glassy
glassy
cross-off
cross-on
on
on
on
on
glassy
cross-off
cross-off
cross
on
on
cross-on
cross-on
cross
High Tide
9:48AM1.94m
9:52PM2.31m
10:38AM1.98m
10:39PM2.37m
11:20AM2.04m
Low Tide
4:04AM0.18m
4:14PM0.44m
4:54AM0.16m
5:02PM0.43m
5:40AM0.13m
5:47PM0.41m
clear
clear
clear
clear
clear
clear
clear
clear
clear
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>
5:26
5:28
5:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:10
8:09
8:08
 mm
Temp °C
19
19
22
22
21
19
18
17
16
16
18
18
19
18
17
15
14
15
18
19
20
18
18
Feels °C
19
19
21
19
18
17
18
16
15
15
16
15
16
16
17
14
12
13
16
17
19
17
17
  • 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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