Plum Island Surf Break

Lat Long: 42.80° N 70.81° W

Plum Island 48 hour detailed Surf Forecast

Issued: 7 am 03 Oct 2026 (local time)

Forecast update in  hr  min

Today's Plum Island sea temperature is
15.4°C
0.7° 

Plum Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Plum Island today (03 Oct):

  • Morning surf: Morning surf (03 Oct, local time) - 1.5ft (0.5m), 11s period with ESE swell.
  • Afternoon surf: Afternoon surf (03 Oct, local time) - 1.5ft (0.5m), 10s period with ESE swell.
  • Evening surf: Evening surf (03 Oct, local time) - 1.5ft (0.4m), 10s period with ESE swell.

The current surf forecast for Plum Island at 11AM is: 0.5m 11s primary swell from a East direction and 0.2m 5s secondary swell from a South-southeast direction, 0.4m 3s secondary swell from a Northeast direction (forecast issued at 07:00am October 03). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (03 Oct)1.5ft (0.5m)11s
Afternoon (03 Oct)1.5ft (0.5m)10s
Evening (03 Oct)1.5ft (0.4m)10s

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


Short Range Forecast

Mostly dry. Warm (max 20°C on Mon afternoon, min 6°C on Mon night). Winds increasing (calm on Sun night, fresh winds from the WNW by Mon night).

Saturday
3
Sunday
4
Monday
5
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
E
11
0.5
ESE
11
0.5
E
11
0.5
ESE
10
0.5
ESE
10
0.5
E
10
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.7
E
5
0.7
E
5
0.9
ESE
6
1.1
ESE
8
1.2
ESE
8
1.3
ESE
8
1.3
ESE
8
1.1
ESE
8
1
ESE
8
0.9
ESE
8
Wave Graph
Metric surfscale
Energy kJ
59
66
58
63
58
51
33
32
31
29
28
27
26
25
28
59
146
192
223
217
167
137
107
Wind (km/h)
10
NNW
10
NNW
10
NE
15
ESE
15
ESE
10
SE
5
ENE
10
NE
15
NE
15
NE
15
E
15
E
10
ENE
5
E
0
WNW
5
WNW
5
W
10
SW
15
SW
30
WNW
25
WNW
25
NW
30
WNW
Wind State
cross-off
cross-off
cross-on
on
cross-on
cross-on
on
cross-on
cross-on
cross-on
on
on
on
glassy
glassy
off
off
cross-off
cross-off
off
cross-off
cross-off
cross-off
High Tide
5:10AM2.27m
5:30PM2.65m
6:16AM2.22m
6:38PM2.58m
7:28AM2.22m
7:50PM2.56m
Low Tide
11:46AM0.38m
00:45AM0.10m
1:01PM0.42m
1:54AM0.11m
2:13PM0.37m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
clear
cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:41
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6:43
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—
—
—
—
—
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6:43
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—
—
—
—
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
6:21
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—
—
—
—
—
—
6:20
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—
—
—
—
—
6:17
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 mm
—
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—
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—
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—
—
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Temp °C
16
15
16
16
15
15
15
14
13
12
14
14
14
14
14
12
12
13
18
20
18
12
9
Feels °C
14
13
13
13
11
12
13
11
9
9
11
11
13
14
15
11
11
11
15
14
11
5
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
How to use the Wavefinder 

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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