Plum Island Surf Break

Lat Long: 42.80° N 70.81° W

Issued: 7 pm 09 Jun 2026 (local time)

Forecast update in  hr  min

Today's Plum Island sea temperature is
14.4° C

1.4°C warmer than normal for this time of year

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 Jun):

  • Morning surf: Morning surf (10 Jun, local time) - 0.5ft (0.1m), 9s period with SE swell.
  • Afternoon surf: Afternoon surf (10 Jun, local time) - 0.5ft (0.1m), 9s period with SE swell.
  • Evening surf: Evening surf (10 Jun, local time) - 3.5ft (1.0m), 6s period with S swell.

The current surf forecast for Plum Island at 1AM is: 0.8m 6s primary swell from a South direction and 0.1m 7s secondary swell from a East direction (forecast issued at 07:00pm June 09). 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 (EDT) & DateWave HeightWave Period
Morning (10 Jun)0.5ft (0.1m)9s
Afternoon (10 Jun)0.5ft (0.1m)9s
Evening (10 Jun)3.5ft (1.0m)6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 5mm), mostly falling on Wed night. Warm (max 30°C on Wed afternoon, min 17°C on Thu night). Wind will be generally light.

Tue
9
Wednesday
10
Thursday
11
Fri
12
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
2 AM
5 AM
8 AM
11 AM
2 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
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)
0.1
SE
8
0.4
S
3
1
S
4
0.8
S
6
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.7
S
5
1
SSE
6
1
S
5
0.8
S
5
0.7
SSE
5
0.7
SSE
6
0.5
SSE
6
0.5
SSE
6
0.4
SSE
7
0.4
SSE
7
0.4
SSE
8
0.4
SSE
8
0.4
SE
9
0.4
SE
6
0.4
SE
7
0.4
SE
7
Wave Graph
Metric surfscale
Energy kJ
3
3
38
39
3
3
3
3
21
65
59
29
27
34
20
23
18
19
25
27
19
10
15
16
Wind (km/h)
10
W
10
S
15
SW
15
SW
15
SW
10
SW
10
SW
15
SW
15
SSW
15
SSW
10
SSW
15
SSW
10
SW
5
WSW
10
NNE
10
ENE
5
ESE
10
SSE
5
S
5
ESE
5
ENE
5
E
10
ESE
15
ESE
Wind State
off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross
cross-on
on
cross-on
cross
glassy
glassy
on
on
on
High Tide
7:09PM2.50m
7:34AM2.35m
8:02PM2.61m
8:32AM2.36m
8:56PM2.73m
9:30AM2.38m
Low Tide
2:02AM0.28m
2:14PM0.25m
2:59AM0.13m
3:07PM0.21m
3:56AM-0.03m
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
cloud
cloud
cloud
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:03
5:03
5:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:20
8:20
8:21
8:21
 mm
2
2
1
Temp °C
28
27
21
20
19
20
27
30
29
23
20
19
20
20
22
21
20
18
18
18
17
17
18
18
Feels °C
26
26
18
18
17
19
27
29
28
23
21
19
21
22
24
22
22
19
19
20
18
18
18
17
Swell 1
Height (m)
Direction
Period (s)
0.1
SE
7
0.1
SE
8
0.1
E
7
0.8
S
6
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.1
E
9
0.1
E
9
0.1
E
9
0.1
E
9
0.7
SSE
5
0.7
SSE
6
0.5
SSE
6
0.5
SSE
6
0.4
SSE
7
0.4
SSE
7
0.4
SSE
8
0.4
SSE
8
0.4
SE
9
0.4
SE
6
0.4
SE
7
0.4
SE
7
Energy kJ
2
3
1
39
3
3
3
3
2
2
2
1
27
34
20
23
18
19
25
27
19
10
15
16
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
8
0.1
SE
7
0.1
E
7
0.1
E
8
0.1
E
8
0.1
E
8
0.1
SE
6
0.1
E
6
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
9
0.1
E
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
9
0.2
ESE
9
Energy kJ
3
2
1
1
1
1
2
1
1
1
1
2
2
8
7
7
7
6
7
8
Swell 3
Height (m)
Direction
Period (s)
0.1
E
7
0.1
E
7
0.1
E
9
0.1
SE
9
0.1
S
7
0.1
E
8
0.1
E
8
0.1
E
10
0.1
E
9
0.2
SSE
9
0.2
SSE
9
0.1
SE
8
Energy kJ
1
1
2
3
1
1
1
2
2
8
8
3
Wind waves
Height (m)
Direction
Period (s)
0.3
SW
3
0.4
S
3
1
S
4
0.4
WSW
3
0.6
SSW
4
0.5
SSW
3
0.5
SSW
3
0.6
S
4
0.7
S
5
1
SSE
6
1
S
5
0.8
S
5
0.2
WSW
3
0.4
SE
7
Energy kJ
1
2
38
3
10
7
7
9
21
65
59
29
1
11
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
551
920
54
13
54
499
1153
2742
2742
9
0
595
54
377
118
120
154
118
118
145
145
169
169
1193
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
4
4
4
4
4
3
2
3
3
4
4
3
3
2
2
2
3
3
3
3
3
1
Header Global
Rating
(10 max)
5
5
5
5
5
8
7
8
9
8
7
6
7
6
6
5
6
6
5
6
6
7
8
8
  • 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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