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Surf Forecasts:

Plum Island surf break

Plum Island surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 7 pm Thursday 19 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
3.5° 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 12AM is: 0.7m 8s primary swell from a Southeast direction (forecast issued at 07:00pm March 19). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (20 Mar)2ft (0.6m)8s
Afternoon (20 Mar)2ft (0.6m)8s
Evening (20 Mar)4.5ft (1.4m)5s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Thursday
19
Friday
20
Saturday
21
Sunday
22
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
0
1
0
0
0
0
0
0
1
2
0
0
0
0
1
1
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
SE
0.9
SE
0.7
SE
0.7
SE
0.7
SE
0.6
SE
0.6
ESE
0.6
ESE
0.6
ESE
1.3
S
1.5
S
1.4
S
1.1
S
0.9
SSE
0.8
SE
0.7
SE
0.7
SE
0.6
SE
0.6
SE
0.6
SE
0.6
SE
0.5
SE
0.5
SE
0.9
SSE
Period(s) (?)999888888566788888888884
Wave
Graph
(?)Metric surfscale
Energy kJ (?)11511275747255454545861431581179186666451383638293033
Wind
(km/h)
15
SSE
15
S
20
SSW
20
SW
15
WSW
15
W
10
SW
20
SSE
30
SSW
35
SSW
25
SW
15
SW
10
WSW
15
N
20
NNW
25
NW
25
NNW
15
NW
10
WNW
5
NW
5
SW
10
S
15
SSE
15
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
off		cross-
off		offoffcross-
off		crosscross-
off		cross-
off		cross-
off		cross-
off		offcrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glasscrosscrosscross-
on
High Tide
/ height (m)
12:57AM
2.75
1:21PM
2.69
1:40AM
2.84
2:07PM
2.65
2:25AM
2.87
Low Tide
/ height (m)
7:17PM
-0.12
7:40AM
-0.22
7:55PM
-0.14
8:24AM
-0.29
8:36PM
-0.11
9:11AM
-0.29
Thursday
19
Friday
20
Saturday
21
Sunday
22
Sunrise-----6:47-------6:45-------6:43--
Sunset6:52-------6:53-------6:55-------
clear
clear
clear
clear
clear
part cloud
clear
cloud
cloud
light rain
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
cloud
cloud
cloud
cloud
light snow
light rain
Rain (mm)
---------2-------------3
Temp. °C232111579877646764111213
Feels °C (?)-4-3-4-6-5-4101013300-1-2-1-4-3-3-3-4-1
  • 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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