Plum Island Surf Break

Lat Long: 42.80° N 70.81° W

Issued: 1 pm 06 Jul 2026 (local time)

Forecast update in  hr  min

Today's Plum Island sea temperature is
18.7° C

1.2°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 (06 Jul):

  • Morning surf: Morning surf (06 Jul, local time) - 1.5ft (0.4m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (06 Jul, local time) - 1.5ft (0.4m), 10s period with SE swell.
  • Evening surf: Evening surf (06 Jul, local time) - 1.5ft (0.4m), 10s period with SE swell.

The current surf forecast for Plum Island at 10PM is: 0.4m 10s primary swell from a Southeast direction and 0.1m 10s secondary swell from a East direction, 0.2m 4s secondary swell from a South-southeast direction (forecast issued at 01:00pm July 06). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (06 Jul)1.5ft (0.4m)10s
Afternoon (06 Jul)1.5ft (0.4m)10s
Evening (06 Jul)1.5ft (0.4m)10s

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 Tue night. Warm (max 28°C on Thu morning, min 16°C on Mon night). Wind will be generally light.

Mon
6
Tuesday
7
Wednesday
8
Thu
9
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
5 AM
8 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
Wave
Height (m)
Direction
Period (s)
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.2
ESE
10
0.2
ESE
10
0.7
SE
5
0.4
SE
10
1.2
ESE
6
1.4
ESE
6
1.5
ESE
7
1.5
ESE
7
1.5
ESE
7
1.3
ESE
8
1.3
ESE
8
1.3
ESE
8
1.2
ESE
8
1.2
ESE
8
1.2
ESE
7
1
ESE
7
0.9
ESE
8
0.9
ESE
8
Wave Graph
Metric surfscale
Energy kJ
24
24
24
24
24
24
10
10
21
27
90
160
218
237
234
193
204
199
161
161
146
104
99
102
Wind (km/h)
10
SE
15
SE
10
SSE
10
SSE
10
SE
10
SE
10
SE
10
E
15
E
20
E
20
ENE
20
ENE
20
NE
20
NE
20
NNE
15
NE
10
E
10
ESE
20
SSE
15
S
20
SSW
15
SW
15
WSW
15
WSW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross
cross
cross-off
cross-off
cross-off
cross-off
High Tide
4:57PM2.48m
5:15AM2.42m
5:44PM2.54m
6:07AM2.36m
6:36PM2.61m
7:04AM2.31m
Low Tide
11:10AM0.19m
11:37PM0.31m
11:52AM0.21m
00:31AM0.24m
12:42PM0.23m
1:30AM0.16m
cloud
cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:11
5:11
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:23
8:22
8:22
8:22
 mm
1
3
2
2
2
4
1
1
Temp °C
20
20
21
20
20
19
16
17
17
17
17
17
17
17
17
17
19
20
22
20
20
19
19
22
Feels °C
19
18
20
19
19
18
15
17
16
15
15
15
16
15
15
16
19
19
20
19
19
18
18
22
Swell 1
Height (m)
Direction
Period (s)
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.7
SE
5
0.3
SE
8
1.5
ESE
7
1.5
ESE
7
1.3
ESE
8
1.3
ESE
8
1.3
ESE
8
1.2
ESE
8
1.2
ESE
8
1.2
ESE
7
1
ESE
7
0.9
ESE
8
0.9
ESE
8
Energy kJ
24
24
24
24
24
24
10
10
9
27
11
237
234
193
204
199
161
161
146
104
99
102
Swell 2
Height (m)
Direction
Period (s)
0.2
S
3
0.2
SSE
3
0.2
S
3
0.1
E
10
0.1
E
10
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.4
SE
10
Energy kJ
1
1
1
2
2
6
6
6
24
Swell 3
Height (m)
Direction
Period (s)
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
Energy kJ
7
7
7
6
Wind waves
Height (m)
Direction
Period (s)
0.2
SSE
3
0.2
SSE
3
0.2
SSE
4
0.2
SSE
4
0.4
SE
3
0.4
SSE
4
0.5
SE
4
0.7
SE
5
0.5
E
3
1.2
ESE
6
1.4
ESE
6
1.5
ESE
7
0.5
NE
3
0.2
N
3
0.3
S
2
0.7
SSW
3
0.6
SW
4
0.6
SW
3
Energy kJ
1
1
1
2
2
5
8
21
5
90
160
218
6
1
1
10
10
9
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)
895
152
1283
1034
849
515
490
484
169
169
319
319
170
169
13
25
25
25
81
75
14
4
4
4
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
1
2
1
1
3
3
3
3
3
1
1
1
3
3
3
1
2
1
1
3
3
3
3
Header Global
Rating
(10 max)
9
8
8
8
7
6
7
5
5
7
9
9
9
8
7
6
8
9
9
8
7
6
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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