Plum Island surf break

Plum Island surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 pm Friday 10 Apr 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Plum Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Plum Island sea temperature is
4.6° C
(Which is normal for this time of year)

How big are the waves at Plum Island today?

The current surf forecast for Plum Island at 8PM is: 1.3m 5s primary swell from a South direction and 0.6m 9s secondary swell from a East-southeast direction (forecast issued at 01:00pm April 10). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (10 Apr)0.5ft (0.2m)9s
Afternoon (10 Apr)1.5ft (0.5m)9s
Evening (10 Apr)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
Friday
10
Saturday
11
Sunday
12
Monday
13
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SE
0.4
ESE
1.2
SSE
1.3
S
0.7
ESE
0.8
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.7
E
0.6
E
0.6
E
0.5
E
0.5
SE
1.1
S
Period(s) (?)1095598999999999999999995
Wave
Graph
(?)Metric surfscale
Energy kJ (?)233459886782108113124113140143143143135108110115836057403653
Wind
(km/h)
20
SSW
20
S
20
S
25
SSW
25
SW
25
SW
20
WNW
30
NW
30
NW
30
NW
25
NW
15
NW
20
NW
20
WNW
20
WNW
15
NW
5
E
15
SE
20
SSE
15
S
20
SSW
20
S
25
SSW
25
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
oncross-
on
crosscrosscross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
6:40PM
2.00
6:57AM
2.26
7:36PM
2.05
7:55AM
2.29
8:31PM
2.16
Low Tide
/ height (m)
1:25PM
0.45
1:38AM
0.67
2:20PM
0.45
2:34AM
0.61
3:10PM
0.38
3:27AM
0.48
Friday
10
Saturday
11
Sunday
12
Monday
13
Sunrise-------6:09-------6:07-------6:05
Sunset--7:19-------7:20-------7:21-----
clear
clear
clear
cloud
cloud
light rain
light rain
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
light rain
light rain
cloud
Rain (mm)
-----11--------------22-
Temp. °C101619141111126910119544468898569
Feels °C (?)410138568-21243-2-2-2-122242003
  • 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

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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