Plum Island surf break

Plum Island surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 7 pm Friday 13 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
3.7° C
(Which is slightly warmer than usual)

How big are the waves at Plum Island today?

The current surf forecast for Plum Island at 2AM is: 1.9m 6s primary swell from a South-southeast direction and 0.2m 10s secondary swell from a East direction (forecast issued at 07:00pm March 13). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (14 Mar)3.5ft (1.0m)7s
Afternoon (14 Mar)2ft (0.6m)7s
Evening (14 Mar)1.5ft (0.5m)8s

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


Updates in  hr  min  s Forecast update imminent
Friday
13
Saturday
14
Sunday
15
Monday
16
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SE
0.4
SE
1.4
S
1.9
SSE
1.3
SSE
1.1
SSE
0.8
SSE
0.6
SSE
0.5
SE
0.5
SE
0.4
SE
0.4
SE
0.2
SSE
0.1
E
0.1
E
0.1
E
0.4
SSE
0.8
SSE
1
SSE
1.2
SSE
1.4
SE
2.3
SE
3
SE
2.3
SE
Period(s) (?)995666777810101010101034455677
Wave
Graph
(?)Metric surfscale
Energy kJ (?)222398257140104593627282425103223163759107398795550
Wind
(km/h)
10
SSW
25
SSW
30
SSE
30
S
30
WSW
25
WSW
30
W
30
W
35
W
35
WNW
30
WNW
25
WNW
20
W
15
NW
10
E
20
SE
25
SE
25
SSE
15
SSE
20
SE
25
SE
30
SE
30
SSE
20
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
offoffoffoffoffcross-
off
offcross-
off
oncross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
on
crosscross
High Tide
/ height (m)
8:23PM
1.91
8:40AM
2.25
9:19PM
2.01
9:34AM
2.34
10:09PM
2.15
10:24AM
2.45
Low Tide
/ height (m)
3:08PM
0.41
3:19AM
0.59
3:59PM
0.34
4:09AM
0.50
4:44PM
0.25
4:55AM
0.37
Friday
13
Saturday
14
Sunday
15
Monday
16
Sunrise-----6:56-------6:56-------6:54--
Sunset6:45-------6:46-------6:49-------
cloud
cloud
cloud
light rain
clear
part cloud
cloud
cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
light rain
light rain
light rain
Rain (mm)
---1-----------------241
Temp. °C52244355521-1-2-201221245913
Feels °C (?)0-6-6-4-4-4-3-4-4-8-8-9-9-8-4-5-5-5-4-4-2-2310
  • 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

Latest Updates

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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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