Plum Island Surf Break

Lat Long: 42.80° N 70.81° W

Plum Island 48 hour detailed Surf Forecast

Issued: 6 pm 05 Nov 2026 (local time)

Forecast update in  hr  min

Today's Plum Island sea temperature is
12.2°C
1.1° 

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 (06 Nov):

  • Morning surf: Morning surf (06 Nov, local time) - 2.5ft (0.8m), 5s period with SSE swell.
  • Afternoon surf: Afternoon surf (06 Nov, local time) - 3.5ft (1.1m), 6s period with SSE swell.
  • Evening surf: Evening surf (06 Nov, local time) - 3.5ft (1.1m), 6s period with SSE swell.

The current surf forecast for Plum Island at 3AM is: 0.9m 5s primary swell from a South direction and 0.2m 8s secondary swell from a East-southeast direction, 0.1m 10s secondary swell from a East direction (forecast issued at 06:00pm November 05). The wind direction is predicted to be cross-offshore.

Time (EST) & DateWave HeightWave Period
Morning (06 Nov)2.5ft (0.8m)5s
Afternoon (06 Nov)3.5ft (1.1m)6s
Evening (06 Nov)3.5ft (1.1m)6s

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


Short Range Forecast

Heavy rain (total 49mm), heaviest during Fri morning. Warm (max 21°C on Thu afternoon, min 8°C on Sat night). Winds increasing (light winds from the WSW on Fri night, fresh winds from the WNW by Sun morning).

Thu
5
Friday
6
Saturday
7
Sun
8
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
0
0
0
0
0
0
0
0
2
2
0
0
0
0
0
0
0
0
1
1
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)
1
S
5
1
S
5
1
S
5
0.9
S
5
0.8
S
5
0.8
SSE
5
0.8
SSE
5
0.9
SSE
5
1.2
SSE
6
1.2
SSE
6
1.4
SSE
6
1.3
SSE
6
0.9
SSE
6
0.8
SSE
6
0.9
NE
4
1.1
NE
5
1.2
NNE
5
1
NNE
5
0.8
NNE
5
0.6
SE
6
0.9
SE
8
0.9
SSE
7
Wave Graph
Metric surfscale
Energy kJ
44
48
43
35
32
36
37
50
84
93
131
109
67
46
22
54
67
54
33
26
82
81
Wind (km/h)
20
SSW
20
SSW
20
SSW
15
SSW
15
SSW
10
SSW
15
SSW
25
SSW
15
S
15
SSW
15
SSW
10
WSW
10
N
15
NNE
25
NNE
25
NNE
25
N
20
N
20
NNE
15
NNE
15
NW
10
W
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross
cross
cross-on
cross
cross
cross
cross
cross-on
cross-off
off
High Tide
8:53PM2.41m
9:20AM2.54m
9:48PM2.40m
10:05AM2.58m
10:35PM2.37m
Low Tide
3:05PM0.05m
3:27AM0.02m
3:57PM-0.07m
4:15AM0.02m
4:46PM-0.15m
5:00AM0.04m
part cloud
clear
part cloud
part cloud
cloud
cloud
light rain
heavy rain
mod rain
light rain
light rain
light rain
cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
6:22
—
—
—
—
—
—
—
6:24
—
—
—
—
—
—
—
6:24
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:30
—
—
—
—
—
—
—
4:30
—
—
—
—
—
—
—
4:28
—
—
—
—
4:27
 mm
—
—
—
—
—
—
2
23
10
4
1
2
—
—
—
1
1
1
1
—
1
2
Temp °C
21
20
19
19
18
18
17
18
17
17
17
16
14
13
11
10
10
9
8
8
8
8
Feels °C
19
18
17
18
18
18
17
16
16
16
16
16
13
11
6
5
5
5
3
4
5
5
  • 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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