Plum Island Surf Break

Lat Long: 42.80° N 70.81° W

Issued: 7 am 10 Jun 2026 (local time)

Forecast update in  hr  min

Today's Plum Island sea temperature is
14.1° C

Slightly warmer than usual

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) - 2.5ft (0.7m), 4s period with S swell.
  • Evening surf: Evening surf (10 Jun, local time) - 3.5ft (1.1m), 5s period with S swell.

The current surf forecast for Plum Island at 11AM is: 0.1m 9s primary swell from a Southeast direction and 0.1m 8s secondary swell from a East direction (forecast issued at 07:00am June 10). An open ocean swell of 0.6m 4s 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)2.5ft (0.7m)4s
Evening (10 Jun)3.5ft (1.1m)5s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 14mm), heaviest on Wed night. Warm (max 30°C on Wed afternoon, min 16°C on Fri night). Wind will be generally light.

Wednesday
10
Thursday
11
Friday
12
Sat
13
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
2 AM
Rating
(10 max)
0
0
0
0
0
1
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.6
S
3
1
S
4
1.2
SSE
6
1.1
S
5
0.8
S
5
0.7
S
5
0.6
SSE
6
0.6
SSE
6
0.5
SSE
7
0.4
SSE
7
0.5
SE
7
0.4
SSE
8
0.4
SSE
7
0.4
SE
7
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
7
0.4
SE
6
0.4
SE
7
0.3
ESE
9
Wave Graph
Metric surfscale
Energy kJ
3
3
3
8
41
91
69
32
25
26
30
26
19
25
22
21
12
10
10
10
16
14
15
15
Wind (km/h)
15
SW
15
SW
10
SW
10
SSW
20
SSW
10
SSW
10
SSW
15
SW
10
SSW
10
W
5
NNE
15
ENE
10
ENE
10
SSE
5
S
5
SSE
5
ENE
10
ESE
10
ESE
15
ESE
15
ESE
10
ESE
5
SE
10
ESE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross
on
on
cross
cross
glassy
glassy
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
High Tide
7:34AM2.35m
8:02PM2.61m
8:32AM2.36m
8:56PM2.73m
9:30AM2.38m
9:50PM2.85m
Low Tide
2:02AM0.28m
2:14PM0.25m
2:59AM0.13m
3:07PM0.21m
3:56AM-0.03m
4:02PM0.16m
part cloud
part cloud
cloud
part cloud
part cloud
light rain
light rain
light rain
light rain
cloud
part cloud
cloud
part cloud
part cloud
part cloud
light rain
part cloud
cloud
part cloud
part cloud
part cloud
rain showers
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:03
5:03
5:03
5:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:20
8:21
8:21
8:22
 mm
1
3
2
2
2
1
Temp °C
19
20
27
30
30
25
21
20
20
21
25
21
19
18
18
18
17
17
18
20
18
16
16
16
Feels °C
17
19
27
30
29
26
22
21
22
23
27
22
20
19
20
20
18
18
19
20
17
16
17
16
Swell 1
Height (m)
Direction
Period (s)
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
8
0.1
E
8
0.6
SSE
6
0.6
SSE
6
0.5
SSE
7
0.4
SSE
7
0.5
SE
7
0.4
SSE
8
0.4
SSE
7
0.4
SE
7
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
7
0.2
ESE
9
0.2
ESE
9
0.4
SE
6
Energy kJ
3
3
3
3
2
2
1
1
26
30
26
19
25
22
21
12
10
10
10
16
7
8
14
Swell 2
Height (m)
Direction
Period (s)
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
6
0.1
E
9
0.1
E
8
0.1
E
8
0.1
E
10
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
8
0.2
ESE
8
0.2
ESE
9
0.2
ESE
9
0.3
ESE
9
Energy kJ
1
1
1
1
1
2
1
1
2
2
8
7
7
7
6
6
7
8
7
15
Swell 3
Height (m)
Direction
Period (s)
0.1
E
9
0.1
E
7
0.1
E
10
0.1
E
10
0.1
SE
8
0.1
E
6
Energy kJ
2
1
2
2
3
1
Wind waves
Height (m)
Direction
Period (s)
0.7
S
5
0.7
SSW
4
0.6
S
4
0.6
S
3
1
S
4
1.2
SSE
6
1.1
S
5
0.8
S
5
0.7
S
5
0.2
WSW
3
0.2
ESE
3
0.2
ESE
3
0.4
SE
6
0.4
SE
7
Energy kJ
22
15
12
8
41
91
69
32
25
1
1
1
14
15
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)
54
1153
1153
2742
2742
0
0
14
125
155
118
163
162
154
118
118
166
166
166
182
393
307
235
211
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
3
3
3
4
4
4
3
3
2
1
3
3
3
3
3
1
1
2
2
2
Header Global
Rating
(10 max)
6
8
7
8
9
8
7
5
7
6
6
5
6
7
6
6
7
8
8
8
7
6
5
4
  • 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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