Plum Island Surf Break

Lat Long: 42.80° N 70.81° W

Plum Island 48 hour detailed Surf Forecast

Issued: 12 pm 10 Nov 2026 (local time)

Forecast update in  hr  min

Today's Plum Island sea temperature is
12.2°C
1.6° 

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 (10 Nov):

  • Morning surf: Morning surf (10 Nov, local time) - 2.5ft (0.7m), 11s period with SE swell.
  • Afternoon surf: Afternoon surf (10 Nov, local time) - 2.5ft (0.7m), 11s period with SE swell.
  • Evening surf: Evening surf (10 Nov, local time) - 2ft (0.6m), 10s period with ESE swell.

The current surf forecast for Plum Island at 4PM is: 0.7m 11s primary swell from a Southeast direction and 0.1m 10s secondary swell from a East direction (forecast issued at 12:00pm November 10). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EST) & DateWave HeightWave Period
Morning (10 Nov)2.5ft (0.7m)11s
Afternoon (10 Nov)2.5ft (0.7m)11s
Evening (10 Nov)2ft (0.6m)10s

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


Short Range Forecast

Moderate rain (total 17mm), heaviest on Thu afternoon. Very mild (max 12°C on Tue morning, min 8°C on Tue night). Winds increasing (calm on Wed night, fresh winds from the ENE by Thu night).

Tue
10
Wednesday
11
Thursday
12
Fri
13
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
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
Rating
(10 max)
1
1
1
0
1
1
0
0
0
0
0
0
0
0
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
Height Map
Wave
Height (m)
Direction
Period (s)
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
0.2
ESE
10
0.2
ESE
10
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.6
ESE
3
1.2
ESE
5
1.6
E
6
2
E
6
2.3
E
7
2.5
E
7
Wave Graph
Metric surfscale
Energy kJ
119
117
115
95
69
68
49
38
24
24
23
9
9
9
8
8
8
8
9
66
158
302
467
583
Wind (km/h)
20
W
20
W
15
WSW
20
SW
25
W
20
W
20
WNW
15
W
20
NW
20
WNW
10
NW
10
N
5
N
5
N
10
E
10
E
15
E
15
E
25
E
30
E
30
ENE
30
ENE
30
ENE
35
ENE
Wind State
off
off
cross-off
cross-off
off
off
off
off
cross-off
off
cross-off
cross
cross
glassy
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
High Tide
11:58AM2.56m
00:33AM2.23m
12:35PM2.53m
1:10AM2.19m
1:13PM2.49m
1:49AM2.14m
Low Tide
6:57PM-0.12m
7:05AM0.26m
7:38PM-0.04m
7:46AM0.36m
8:21PM0.07m
part cloud
cloud
clear
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
—
—
—
—
—
6:28
—
—
—
—
—
—
—
6:30
—
—
—
—
—
—
—
6:31
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
4:24
—
—
—
—
—
—
—
4:23
—
—
—
—
—
—
—
4:22
—
—
—
—
4:22
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
4
4
4
3
2
Temp °C
9
12
12
11
11
10
9
8
9
11
11
9
8
8
8
9
10
11
11
10
9
9
9
9
Feels °C
3
7
8
6
5
5
4
4
3
6
7
5
5
5
4
6
6
7
6
4
2
2
3
2
  • 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 

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