Plum Island surf break

Plum Island surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 pm Monday 23 Mar 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
3.9° 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 6PM is: 1.9m 7s primary swell from a East-northeast direction and 0.7m 10s secondary swell from a Southeast direction, 0.1m 12s secondary swell from a East direction (forecast issued at 01:00pm March 23). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (23 Mar)5ft (1.5m)5s
Afternoon (23 Mar)6ft (1.8m)6s
Evening (23 Mar)6ft (1.9m)7s

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


Updates in  hr  min  s Forecast update imminent
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
0
0
0
2
1
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.7
NE
1.8
NE
1.9
ENE
2
ENE
1.9
ENE
1.8
ENE
1.9
ENE
1.9
ENE
1.6
ENE
1.5
E
1.3
ENE
1.1
ENE
1
E
0.8
ENE
0.7
E
0.5
E
0.5
E
0.4
ENE
0.4
E
0.3
E
0.3
E
0.2
E
0.2
E
0.2
E
Period(s) (?)6667888899999999910101010101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)19824529537340843747151042236328320617311381434531311817877
Wind
(km/h)
30
NNE
30
NNE
30
NNE
20
NE
10
NNE
10
NW
20
NNE
15
N
5
NNE
10
SSE
20
S
25
S
25
SW
25
WSW
15
WSW
15
W
15
W
10
SW
15
SW
15
SSW
15
SSW
15
SSW
20
S
30
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
off
crosscrosscrosscross-
on
crosscrosscross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
High Tide
/ height (m)
3:45PM
2.46
4:04AM
2.79
4:41PM
2.33
5:01AM
2.69
5:42PM
2.21
6:04AM
2.58
Low Tide
/ height (m)
10:04AM
-0.23
10:13PM
0.09
11:03AM
-0.11
11:13PM
0.23
12:09PM
0.00
12:23AM
0.35
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Sunrise-------6:39-------6:37-------6:35
Sunset--6:58-------6:59-------7:00-----
cloud
cloud
cloud
cloud
cloud
cloud
light snow
clear
clear
part cloud
clear
cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
cloud
Rain (mm)
----------------------1-
Temp. °C011210-1-202431110491086545
Feels °C (?)-8-7-7-4-4-4-7-8-4-2-3-4-6-6-5-6-24430-1-1-2
  • 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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