Plum Island Surf Break

Lat Long: 42.80° N 70.81° W

Plum Island 48 hour detailed Surf Forecast

Issued: 6 pm 09 Nov 2026 (local time)

Forecast update in  hr  min

Today's Plum Island sea temperature is
12.5°C
1.9° 

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 (09 Nov):

  • Afternoon surf: Afternoon surf (09 Nov, local time) - 2ft (0.6m), 11s period with SE swell.
  • Evening surf: Evening surf (09 Nov, local time) - 2ft (0.6m), 11s period with SE swell.

The current surf forecast for Plum Island at 10PM is: 0.6m 11s primary swell from a Southeast direction and 0.2m 12s secondary swell from a East direction (forecast issued at 06:00pm November 09). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EST) & DateWave HeightWave Period
Morning (09 Nov)--
Afternoon (09 Nov)2ft (0.6m)11s
Evening (09 Nov)2ft (0.6m)11s

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


Short Range Forecast

Mostly dry. Very mild (max 12°C on Mon afternoon, min 6°C on Mon night). Wind will be generally light.

Mon
9
Tuesday
10
Wednesday
11
Thu
12
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
Rating
(10 max)
0
0
1
1
1
1
1
1
1
0
1
1
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SE
11
0.6
SE
11
0.6
SE
11
0.7
SE
11
0.7
SE
11
0.7
SE
11
0.7
SE
11
0.7
SE
11
0.7
SE
11
0.7
ESE
10
0.6
ESE
10
0.6
ESE
10
0.5
SE
10
0.4
ESE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.3
SE
10
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
Wave Graph
Metric surfscale
Energy kJ
104
99
97
123
121
121
119
117
115
95
69
68
49
38
24
24
23
14
9
9
8
8
Wind (km/h)
20
WNW
20
WNW
20
WNW
20
W
20
W
15
W
20
W
20
W
15
WSW
15
SW
25
WSW
20
WNW
20
W
15
W
20
WNW
15
WNW
10
NW
10
N
5
NNE
5
NNE
10
E
10
E
Wind State
cross-off
cross-off
off
off
off
off
off
off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross
glassy
cross
on
on
High Tide
11:56PM2.28m
11:58AM2.56m
00:33AM2.23m
12:35PM2.53m
1:10AM2.19m
Low Tide
6:14PM-0.18m
6:24AM0.16m
6:57PM-0.12m
7:05AM0.26m
7:38PM-0.04m
clear
clear
cloud
clear
part cloud
clear
part cloud
cloud
clear
clear
clear
clear
clear
cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
6:28
—
—
—
—
—
—
—
6:28
—
—
—
—
—
—
—
6:30
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:25
—
—
—
—
—
—
—
4:24
—
—
—
—
—
—
—
4:23
—
—
—
—
4:22
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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Temp °C
12
10
9
8
7
6
9
12
12
11
10
10
9
8
9
11
11
8
8
7
8
9
Feels °C
7
5
3
3
2
1
4
7
8
7
4
5
3
3
3
6
7
4
6
4
5
6
  • 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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