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Surf Forecasts:

Plum Island surf break

Plum Island surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 am Tuesday 17 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
3.2° 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 8AM is: 3.0m 10s primary swell from a Southeast direction (forecast issued at 01:00am March 17). An open ocean swell of 1.0m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (17 Mar)8ft (2.5m)10s
Afternoon (17 Mar)5.5ft (1.7m)11s
Evening (17 Mar)5ft (1.6m)11s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Tuesday
17
Wednesday
18
Thursday
19
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM
Rating
(10 max)
0
0
!
3
2
2
2
2
2
2
2
2
2
1
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
3.5
SSE
4
SSE
4
SSE
3
SE
2
SE
1.8
SE
1.7
SE
1.6
SE
1.3
SE
1.2
SE
1.2
SE
1.1
SE
1.1
SE
1
SE
1
SE
1.1
SE
1
SE
1
SE
1
SE
1.1
SE
0.9
ESE
0.9
SE
1.1
SE
1.4
SE
Period(s) (?)9910101010111111111010101010999999999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1716240326661509769664676662406326313260222192184222170166166183141115194275
Wind
(km/h)
40
S
50
S
35
WSW
30
W
30
W
35
W
30
W
30
WNW
30
WNW
25
WNW
25
W
20
WNW
20
WNW
10
WNW
5
S
20
SSE
20
S
15
S
10
S
10
S
15
SSE
15
SSE
20
SE
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
off		offoffoffoffoffoffoffoffoffoffcross-
off		crosscrosscross-
off		crosscrosscrosscrosscross-
on		cross-
on		cross-
on
High Tide
/ height (m)
10:53PM
2.30
11:10AM
2.55
11:35PM
2.47
11:54AM
2.63
12:16AM
2.62
12:37PM
2.68
Low Tide
/ height (m)
5:37AM
0.21
6:03PM
0.03
6:18AM
0.05
6:40PM
-0.06
6:58AM
-0.10
7:17PM
-0.12
Tuesday
17
Wednesday
18
Thursday
19
Sunrise---6:52-------6:50-------6:48----
Sunset------6:51-------6:52-------6:52-
heavy rain
mod rain
light rain
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
cloud
clear
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
Rain (mm)
11101---------------------
Temp. °C1415123222-2-4-5-5-5-3010-1-1-1-11233
Feels °C (?)865-5-7-8-7-11-13-13-13-13-10-6-4-7-8-7-6-6-5-5-4-4
  • 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

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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.

View detailed surf forecast for Plum Island at:
surf-forecast.com

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