Plum Island Surf Break

Lat Long: 42.80° N 70.81° W

Plum Island 48 hour detailed Surf Forecast

Issued: 1 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 (26 Jul):

  • Morning surf: Morning surf (26 Jul, local time) - 3ft (0.9m), 7s period with SE swell.
  • Afternoon surf: Afternoon surf (26 Jul, local time) - 3ft (0.9m), 7s period with ESE swell.
  • Evening surf: Evening surf (26 Jul, local time) - 3.5ft (1.0m), 7s period with ESE swell.

The current surf forecast for Plum Island at 8PM is: 1.0m 7s primary swell from a East-southeast direction and 0.1m 12s secondary swell from a East direction (forecast issued at 01:00pm July 26). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (26 Jul)3ft (0.9m)7s
Afternoon (26 Jul)3ft (0.9m)7s
Evening (26 Jul)3.5ft (1.0m)7s

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


Short Range Forecast

Mostly dry. Warm (max 23°C on Tue morning, min 14°C on Sun night). Wind will be generally light.

Sun
26
Monday
27
Tuesday
28
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
1
0
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SE
7
0.9
ESE
7
1
ESE
7
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
0.9
ESE
7
0.6
E
7
0.8
ESE
7
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.9
SE
8
1.2
SE
4
1.2
SSE
5
0.9
SSE
4
Wave Graph
Metric surfscale
Energy kJ
73
88
93
91
91
81
81
79
79
77
77
70
33
57
51
37
39
84
53
61
26
Wind (km/h)
15
NE
15
ENE
15
ENE
10
E
5
NNE
10
N
5
NNW
5
NNE
10
E
15
ESE
15
SE
15
SSE
10
S
10
SSW
5
SSW
10
S
15
SSE
25
SE
25
SE
20
SSE
10
S
Wind State
cross-on
on
on
on
glassy
cross
cross-off
glassy
on
on
cross-on
cross
cross
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross
cross
High Tide
10:38AM1.98m
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
clear
clear
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
18
18
17
16
15
14
15
18
20
20
18
18
18
17
19
23
22
22
22
20
Feels °C
16
16
16
16
17
15
13
15
17
18
17
16
17
18
18
19
22
20
20
20
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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