Plum Island Surf Break

Lat Long: 42.80° N 70.81° W

Plum Island 48 hour detailed Surf Forecast

Issued: 7 pm 24 Jul 2026 (local time)

Forecast update in  hr  min

Today's Plum Island sea temperature is
15.9° 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 (24 Jul):

  • Afternoon surf: Afternoon surf (24 Jul, local time) - 2ft (0.6m), 7s period with SE swell.
  • Evening surf: Evening surf (24 Jul, local time) - 1.5ft (0.5m), 7s period with SE swell.

The current surf forecast for Plum Island at 11PM is: 0.5m 7s primary swell from a Southeast direction and 0.2m 6s secondary swell from a South-southeast direction, 0.6m 4s secondary swell from a South-southeast direction (forecast issued at 07:00pm July 24). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (24 Jul)--
Afternoon (24 Jul)2ft (0.6m)7s
Evening (24 Jul)1.5ft (0.5m)7s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Fri night, min 13°C on Sun night). Wind will be generally light.

Fri
24
Saturday
25
Sunday
26
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
0
0
0
1
0
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)
0.6
SE
7
0.6
SE
7
0.5
SE
7
0.5
SE
8
0.6
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
0.8
SE
7
0.8
SE
7
0.8
SE
7
0.9
SE
7
0.8
ESE
7
0.8
ESE
7
0.8
ESE
7
0.8
ESE
7
Wave Graph
Metric surfscale
Energy kJ
37
29
26
28
45
44
42
41
41
39
48
59
59
60
75
66
68
68
68
Wind (km/h)
15
SE
15
SSE
10
SW
10
WSW
5
WSW
5
SW
10
ESE
15
SE
15
SE
10
SE
5
E
5
NNW
10
N
10
NNE
15
ENE
15
ENE
15
ENE
10
ENE
5
E
Wind State
cross-on
cross
cross-off
cross-off
off
glassy
on
cross-on
cross-on
cross-on
on
glassy
cross
cross-on
cross-on
on
on
on
on
High Tide
9:01PM2.28m
9:48AM1.94m
9:52PM2.31m
10:38AM1.98m
10:39PM2.37m
Low Tide
3:22PM0.42m
4:04AM0.18m
4:14PM0.44m
4:54AM0.16m
5:02PM0.43m
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
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:12
8:10
8:09
 mm
Temp °C
25
22
21
20
19
18
22
21
21
19
18
16
15
16
18
18
18
17
17
Feels °C
21
19
18
18
18
17
20
18
19
17
17
16
13
15
16
15
16
16
16
  • 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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