Plum Island Surf Break

Lat Long: 42.80° N 70.81° W

Plum Island 48 hour detailed Surf Forecast

Issued: 7 pm 26 Jul 2026 (local time)

Forecast update in  hr  min

Today's Plum Island sea temperature is
16.4° C
2.7° 

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 (27 Jul):

  • Morning surf: Morning surf (27 Jul, local time) - 3ft (0.9m), 7s period with ESE swell.
  • Afternoon surf: Afternoon surf (27 Jul, local time) - 3ft (0.9m), 7s period with ESE swell.
  • Evening surf: Evening surf (27 Jul, local time) - 2.5ft (0.7m), 7s period with ESE swell.

The current surf forecast for Plum Island at 3AM is: 0.9m 7s primary swell from a East-southeast direction (forecast issued at 07:00pm July 26). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (27 Jul)3ft (0.9m)7s
Afternoon (27 Jul)3ft (0.9m)7s
Evening (27 Jul)2.5ft (0.7m)7s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Wed afternoon. Warm (max 24°C on Tue morning, min 14°C on Sun night). Wind will be generally light.

Sun
26
Monday
27
Tuesday
28
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
1
1
1
1
0
0
0
0
0
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
Wave
Height (m)
Direction
Period (s)
1
ESE
7
1
ESE
7
0.9
ESE
7
0.9
ESE
7
0.9
ESE
7
0.9
ESE
7
0.9
ESE
7
0.9
ESE
7
0.8
ESE
7
0.8
ESE
7
0.6
ESE
7
0.6
ESE
8
0.6
ESE
8
0.6
SE
8
0.6
SE
8
1
SE
7
1.5
SSE
5
1.3
SSE
5
0.9
SSE
4
Wave Graph
Metric surfscale
Energy kJ
93
91
75
81
81
79
79
77
61
56
37
37
42
55
36
105
105
83
29
Wind (km/h)
10
ENE
10
ENE
5
ENE
10
NNW
5
NW
5
NW
5
E
15
ESE
15
SE
15
SSE
15
S
10
SSW
5
SSW
10
S
20
SSE
25
SE
25
SSE
25
S
15
SSE
Wind State
cross-on
on
glassy
cross-off
cross-off
glassy
on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross
cross
High Tide
10:39PM2.37m
11:20AM2.04m
11:21PM2.44m
11:58AM2.11m
Low Tide
5:02PM0.43m
5:40AM0.13m
5:47PM0.41m
6:23AM0.11m
6:28PM0.38m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:09
8:08
8:07
 mm
Temp °C
18
17
17
14
14
15
19
20
21
19
19
18
17
19
24
24
23
23
20
Feels °C
16
15
17
12
12
14
18
18
19
17
18
18
18
19
23
21
20
21
20
  • 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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