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Surf Forecasts:

Plum Island surf break

Plum Island surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 7 pm Wednesday 18 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
3.3° 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 2AM is: 1.0m 9s primary swell from a Southeast direction and 0.5m 4s secondary swell from a South direction (forecast issued at 07:00pm March 18). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (19 Mar)3ft (0.9m)9s
Afternoon (19 Mar)3ft (0.9m)9s
Evening (19 Mar)2.5ft (0.7m)9s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
18
Thursday
19
Friday
20
Saturday
21
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM
Rating
(10 max)
0
0
0
1
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
2
2
1
1
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
SE
1
SE
1
SE
1
SE
1
SE
1
SE
0.9
ESE
0.9
SE
1.2
SE
0.7
SE
0.7
SE
0.7
SE
0.7
SE
0.6
SE
0.6
ESE
0.6
ESE
0.8
ESE
0.9
ESE
1
ESE
1
E
1.3
S
1.1
S
1.1
SSE
1
SE
Period(s) (?)10109999999998888888996678
Wave
Graph
(?)Metric surfscale
Energy kJ (?)188181173170166162145118225797574725545458012715815111891134113
Wind
(km/h)
10
SSE
15
SSE
15
SSE
15
S
10
SSW
10
S
20
S
20
SSE
20
SE
20
SSW
20
SSW
20
SSW
15
WSW
10
W
5
WSW
15
S
15
SE
20
SSW
20
S
15
SW
5
WSW
15
N
15
NNE
15
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on		crosscross-
off		cross-
off		crosscrosscross-
on		cross-
on		cross-
off		cross-
off		cross-
off		cross-
off		offoffcrosscross-
on		cross-
off		cross-
off		cross-
off		offcrosscrosson
High Tide
/ height (m)
12:16AM
2.62
12:37PM
2.68
12:57AM
2.75
1:21PM
2.69
1:40AM
2.84
Low Tide
/ height (m)
6:40PM
-0.06
6:58AM
-0.10
7:17PM
-0.12
7:40AM
-0.22
7:55PM
-0.14
8:24AM
-0.29
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunrise-----6:48-------6:47-------6:45--
Sunset6:52-------6:52-------6:53-------
cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
cloud
clear
cloud
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
Rain (mm)
-----------------1443---
Temp. °C0-10-1-1-1122310015766555344
Feels °C (?)-6-8-6-7-6-6-5-5-5-3-5-7-5-32211012-200
  • 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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