Plum Island Surf Break

Lat Long: 42.80° N 70.81° W

Issued: 1 am 26 Jun 2026 (local time)

Forecast update in  hr  min

Today's Plum Island sea temperature is
14.0° C

2.1°C colder than average 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 (26 Jun):

  • Morning surf: Morning surf (26 Jun, local time) - 1.5ft (0.4m), 7s period with SE swell.
  • Afternoon surf: Afternoon surf (26 Jun, local time) - 1.5ft (0.5m), 6s period with SE swell.
  • Evening surf: Evening surf (26 Jun, local time) - 3ft (0.9m), 5s period with SSE swell.

The current surf forecast for Plum Island at 5AM is: 0.5m 4s primary swell from a South-southeast direction and 0.3m 7s secondary swell from a Southeast direction (forecast issued at 01:00am June 26). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (26 Jun)1.5ft (0.4m)7s
Afternoon (26 Jun)1.5ft (0.5m)6s
Evening (26 Jun)3ft (0.9m)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 16mm), heaviest on Fri morning. Warm (max 22°C on Sun afternoon, min 16°C on Sat morning). Wind will be generally light.

Friday
26
Saturday
27
Sunday
28
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
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
SSE
4
0.3
SE
7
0.4
SE
7
0.3
SE
6
0.5
SE
6
0.6
SSE
4
0.9
SSE
5
0.7
SE
5
0.6
SSE
5
0.6
SSE
6
0.5
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.2
ESE
10
0.7
SSE
4
0.3
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.5
SE
10
0.4
SE
10
Wave Graph
Metric surfscale
Energy kJ
17
10
11
7
19
10
35
23
16
20
15
11
13
11
11
19
16
26
26
26
26
25
48
34
Wind (km/h)
10
SW
5
NW
15
SSE
15
S
10
SSE
5
SW
10
ENE
5
SSE
5
WNW
10
NNE
10
NE
10
NE
15
E
10
ESE
5
E
5
ESE
0
NNW
5
NW
5
N
10
E
15
SE
15
SE
10
SSW
5
SW
Wind State
cross-off
cross-off
cross-on
cross
cross-on
glassy
on
cross
cross-off
cross-on
cross-on
cross-on
on
on
on
glassy
glassy
glassy
glassy
on
cross-on
cross-on
cross-off
glassy
High Tide
10:24AM2.03m
10:27PM2.38m
11:10AM2.04m
11:09PM2.41m
11:51AM2.06m
Low Tide
4:33AM0.08m
4:44PM0.34m
5:22AM0.05m
5:30PM0.35m
6:07AM0.04m
6:14PM0.37m
cloud
cloud
light rain
light rain
light rain
thunderstorm
rain showers
cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
part cloud
clear
part cloud
cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:05
5:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:24
8:24
8:24
 mm
4
3
2
2
3
1
Temp °C
20
18
17
17
19
21
21
20
20
18
16
17
17
17
18
16
16
16
17
19
22
22
20
19
Feels °C
19
18
15
16
19
23
22
22
21
19
16
17
16
16
19
17
17
17
18
19
21
21
20
20
Swell 1
Height (m)
Direction
Period (s)
0.2
SSE
7
0.5
SSE
4
0.1
E
12
0.3
SE
6
0.1
SE
12
0.3
SE
6
0.7
SE
5
0.7
SE
5
0.6
SSE
5
0.6
SSE
6
0.5
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.2
SSE
6
0.6
SSE
4
0.5
SSE
4
0.4
SE
4
0.4
SE
10
0.4
SE
7
0.4
SE
10
0.4
SE
10
0.5
SE
10
0.4
SE
10
Energy kJ
5
10
3
6
5
6
22
23
16
20
15
8
8
8
3
12
11
5
26
12
26
25
48
34
Swell 2
Height (m)
Direction
Period (s)
0.1
E
12
0.3
SE
7
0.4
SE
7
0.1
SE
12
0.1
E
7
0.1
SE
12
0.1
SE
11
0.2
ESE
11
0.2
ESE
11
0.2
ESE
11
0.2
ESE
11
0.2
ESE
11
0.2
ESE
11
0.2
ESE
11
0.2
ESE
10
0.2
ESE
10
0.3
SE
10
0.4
SE
10
0.3
SE
7
0.4
SE
10
0.4
SE
7
0.4
SE
7
0.4
SE
10
Energy kJ
3
7
11
5
1
5
5
12
12
12
11
11
11
11
11
10
16
26
8
26
12
12
25
Swell 3
Height (m)
Direction
Period (s)
0.1
E
7
0.1
SE
12
0.2
ESE
11
0.2
ESE
11
0.1
SE
10
0.2
ESE
10
0.2
ESE
12
0.1
SE
8
0.1
SE
7
0.1
SE
7
0.1
SE
8
0.2
SSE
7
0.2
SSE
4
Energy kJ
1
5
12
12
4
11
13
2
2
2
2
5
2
Wind waves
Height (m)
Direction
Period (s)
0.7
SSE
4
0.4
SE
4
0.5
SE
6
0.6
SSE
4
0.9
SSE
5
0.2
WSW
3
0.4
SE
4
0.7
SSE
4
0.3
N
2
0.2
NNE
2
0.3
SSE
3
Energy kJ
17
7
19
10
35
1
3
19
1
1
1
Nearest Offshore or Glassy
Rating
(10 max)
2
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)
499
499
499
354
427
390
381
381
381
170
154
183
219
403
854
2724
381
381
231
231
216
260
444
211
Best forecast wave conditions in Massachusetts
Rating
(10 max)
Best forecast wave conditions in United States
Rating
(10 max)
2
2
3
3
3
3
2
2
2
2
3
3
3
2
2
1
3
1
4
4
4
3
3
1
Header Global
Rating
(10 max)
5
5
5
5
6
7
7
5
5
6
6
5
5
5
7
8
8
8
7
6
5
5
6
6
  • 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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