Plum Island Surf Break

Lat Long: 42.80° N 70.81° W

Issued: 7 am 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 (09 Jun):

  • Morning surf: Morning surf (09 Jun, local time) - 1ft (0.3m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (09 Jun, local time) - 1ft (0.3m), 7s period with SE swell.
  • Evening surf: Evening surf (09 Jun, local time) - 1ft (0.3m), 5s period with SSE swell.

The current surf forecast for Plum Island at 11AM is: 0.3m 7s primary swell from a Southeast direction and 0.1m 6s secondary swell from a East direction (forecast issued at 07:00am June 09). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (09 Jun)1ft (0.3m)8s
Afternoon (09 Jun)1ft (0.3m)7s
Evening (09 Jun)1ft (0.3m)5s

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 2mm), mostly falling on Thu afternoon. Warm (max 30°C on Tue afternoon, min 15°C on Thu night). Wind will be generally light.

Tuesday
9
Wednesday
10
Thursday
11
Fri
12
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
0
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)
0.3
SE
8
0.3
SE
8
0.3
SE
7
0.3
SE
7
0.1
SE
8
0.3
SSE
5
1.1
S
6
0.7
SSE
6
0.3
SSE
6
0.1
SE
9
0.1
E
9
0.6
S
4
0.9
SSE
5
1.3
S
5
1
S
5
0.8
S
5
0.7
S
5
0.5
SSE
5
0.5
S
5
0.4
SSE
6
0.5
SE
7
0.5
SE
7
0.5
SE
7
0.4
SE
8
Wave Graph
Metric surfscale
Energy kJ
9
9
9
9
3
5
72
31
6
3
2
9
35
95
52
29
21
15
14
16
22
23
25
16
Wind (km/h)
15
WSW
15
WSW
15
W
10
W
10
WNW
5
WNW
15
SW
15
SW
10
SW
10
SW
10
SW
15
SW
20
SW
20
SW
15
SSW
15
SW
10
SW
10
W
10
N
10
ENE
15
E
10
SSE
5
ENE
10
ENE
Wind State
cross-off
off
off
off
off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross
on
on
cross
glassy
cross-on
High Tide
6:38AM2.37m
7:09PM2.50m
7:34AM2.35m
8:02PM2.61m
8:32AM2.36m
8:56PM2.73m
Low Tide
1:24PM0.28m
2:02AM0.28m
2:14PM0.25m
2:59AM0.13m
3:07PM0.21m
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
thunderstorm
part cloud
rain showers
part 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
8:20
8:21
8:21
 mm
1
1
Temp °C
17
18
25
29
30
28
22
20
19
21
27
30
27
23
19
19
19
22
25
23
21
18
17
16
Feels °C
14
15
23
27
29
29
20
18
18
20
27
29
25
22
19
20
20
24
27
25
21
19
18
16
Swell 1
Height (m)
Direction
Period (s)
0.3
SE
8
0.3
SE
8
0.3
SE
7
0.3
SE
7
0.1
SE
7
0.3
SSE
5
0.1
E
7
0.7
SSE
6
0.3
SSE
6
0.1
SE
9
0.1
E
9
0.1
SE
9
0.1
E
9
0.1
E
9
0.1
E
9
0.1
E
8
0.5
SSE
5
0.5
S
5
0.4
SSE
6
0.5
SE
7
0.5
SE
7
0.5
SE
7
0.4
SE
8
Energy kJ
9
9
9
9
2
5
1
31
6
3
2
3
2
2
1
1
15
14
16
22
23
25
16
Swell 2
Height (m)
Direction
Period (s)
0.2
ENE
5
0.1
NE
4
0.1
E
6
0.1
E
6
0.1
SE
8
0.1
SE
9
0.1
E
7
0.1
SE
9
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
6
0.1
E
8
0.1
E
10
0.1
SE
7
0.1
E
10
0.1
E
9
0.1
E
9
0.2
ESE
9
0.2
ESE
8
Energy kJ
2
1
1
1
3
3
1
3
1
1
1
1
1
2
2
2
2
2
8
7
Swell 3
Height (m)
Direction
Period (s)
0.1
E
6
0.1
E
6
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
8
0.1
E
7
0.1
E
8
0.1
E
10
0.1
SE
9
Energy kJ
1
1
1
1
1
1
1
1
2
3
Wind waves
Height (m)
Direction
Period (s)
0.6
SW
3
0.6
SW
3
0.4
SW
3
0.4
SW
3
0.4
SSW
3
0.4
SSW
3
1.1
S
6
0.6
WSW
4
0.7
SSW
4
0.6
SSW
4
0.6
S
4
0.6
S
4
0.9
SSE
5
1.3
S
5
1
S
5
0.8
S
5
0.7
S
5
0.4
SW
3
0.2
W
3
Energy kJ
7
7
4
2
3
3
72
8
13
11
9
9
35
95
52
29
21
2
1
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
2
1
1
1
Distance (km)
427
587
595
2742
551
626
0
13
54
1153
1153
2742
1546
16
9
14
9
377
118
118
258
163
145
145
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
3
3
3
4
4
4
4
4
3
1
3
3
4
4
3
3
3
2
2
3
3
Header Global
Rating
(10 max)
7
6
5
6
5
5
5
4
5
6
7
8
9
8
7
7
7
6
6
5
5
5
5
7
  • 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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