Plum Island Surf Break
Lat Long: 42.80° N 70.81° W

Plum Island 48 hour detailed Surf Forecast

Weather Forecast for Plum Island

Issued: 1 pm 04 Jun 2026 (local time)

Forecast update in  hr  min

Today's Plum Island sea temperature is
12.1° C

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 (04 Jun):

  • Morning surf: Morning surf (04 Jun, local time) - 0.5ft (0.2m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (04 Jun, local time) - 1ft (0.3m), 8s period with SE swell.
  • Evening surf: Evening surf (04 Jun, local time) - 4ft (1.2m), 5s period with SSE swell.

The current surf forecast for Plum Island at 9PM is: 1.2m 5s primary swell from a South-southeast direction and 0.2m 11s secondary swell from a East-southeast direction, 0.1m 7s secondary swell from a East direction (forecast issued at 01:00pm June 04). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (04 Jun)0.5ft (0.2m)8s
Afternoon (04 Jun)1ft (0.3m)8s
Evening (04 Jun)4ft (1.2m)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 11mm), heaviest on Sat night. Warm (max 30°C on Sat afternoon, min 18°C on Sat night). Wind will be generally light.

Thu
4
Friday
5
Saturday
6
Sun
7
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
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
2
1
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)
0.3
SE
8
0.3
SE
8
0.9
SSE
4
1.2
SSE
5
1
S
5
0.4
SE
9
0.4
SE
9
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.5
SE
8
0.6
SE
8
0.7
SE
8
0.7
SE
8
0.8
SE
8
0.8
SE
8
0.7
SE
8
0.7
SE
8
1.6
SSE
6
1.2
SSE
6
0.7
SSE
6
0.4
SE
9
0.5
SE
8
Wave Graph
Metric surfscale
Energy kJ
10
10
26
84
54
31
28
25
24
24
23
32
39
61
71
97
80
63
60
154
106
34
21
34
Wind (km/h)
10
SSW
15
S
10
SW
10
SW
15
WSW
10
W
10
W
10
WNW
5
NW
5
SE
10
SE
10
SSE
10
SW
10
SW
10
WSW
10
SSW
15
SW
20
W
0
SSE
10
SSW
20
W
20
SW
15
SW
15
WSW
Wind State
cross-off
cross
cross-off
cross-off
cross-off
off
off
off
cross-off
glassy
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
glassy
cross-off
off
cross-off
cross-off
off
High Tide
3:18PM2.21m
3:25AM2.50m
3:59PM2.23m
4:08AM2.48m
4:43PM2.28m
4:55AM2.44m
Low Tide
9:51AM0.19m
9:55PM0.53m
10:30AM0.24m
10:37PM0.55m
11:10AM0.28m
11:22PM0.54m
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
part cloud
cloud
cloud
light rain
mod rain
rain showers
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:05
5:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:15
8:16
8:17
8:17
 mm
1
8
2
Temp °C
26
29
29
25
22
21
20
20
26
26
25
23
23
23
22
22
29
30
25
22
19
18
18
20
Feels °C
25
26
27
24
20
19
18
18
25
25
23
21
21
22
21
21
27
27
27
23
18
17
17
20
Swell 1
Height (m)
Direction
Period (s)
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.2
ESE
11
1
S
5
0.6
S
5
0.5
S
4
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.5
SE
8
0.6
SE
8
0.7
SE
8
0.7
SE
8
0.8
SE
8
0.8
SE
8
0.7
SE
8
0.7
SE
8
1
SSE
6
1.2
SSE
6
0.7
SSE
6
0.6
S
5
0.5
S
6
Energy kJ
10
10
10
12
54
15
9
25
24
24
23
32
39
61
71
97
80
63
60
62
106
34
17
17
Swell 2
Height (m)
Direction
Period (s)
0.1
E
8
0.1
SE
12
0.2
ESE
11
0.1
E
7
0.3
SE
10
0.4
SE
9
0.4
SE
9
0.4
S
4
0.2
S
4
0.1
E
6
0.1
E
6
0.4
SE
3
0.3
SSE
3
0.3
S
3
0.1
E
7
0.1
E
6
0.3
ESE
10
0.4
SE
10
0.5
SE
8
0.5
SE
8
0.5
SE
7
0.4
SE
7
0.5
SE
8
Energy kJ
1
5
12
1
17
31
28
6
2
1
1
2
2
2
1
1
18
25
28
28
27
18
34
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
11
0.1
E
5
0.1
E
9
0.1
E
7
0.1
SE
6
0.2
SSE
7
0.1
SE
11
0.1
E
7
0.1
E
6
0.4
SE
10
0.2
ESE
10
0.3
ESE
9
0.4
SE
9
0.2
ESE
6
Energy kJ
5
1
2
1
2
4
5
1
1
23
9
17
21
4
Wind waves
Height (m)
Direction
Period (s)
0.4
S
4
0.5
S
3
0.9
SSE
4
1.2
SSE
5
0.2
WSW
4
0.2
W
3
0.4
WSW
3
0.2
WSW
3
0.2
S
4
0.4
SE
3
0.4
SSE
3
0.4
SSE
3
0.3
S
3
0.4
SW
3
0.3
SSW
3
0.2
S
3
0.7
SSE
5
1.6
SSE
6
0.4
WSW
3
0.5
SW
3
0.5
WSW
3
0.4
WSW
3
Energy kJ
4
5
26
84
1
1
3
1
1
2
4
3
2
2
2
1
23
154
3
6
7
4
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
2
1
1
1
1
Distance (km)
1034
1279
1279
0
0
9
54
13
54
235
532
381
54
0
0
0
0
0
0
0
0
4
9
9
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
1
1
2
1
4
4
4
4
4
3
2
3
3
3
3
1
3
2
2
3
3
3
3
Header Global
Rating
(10 max)
5
5
5
5
5
5
9
9
9
9
8
8
8
8
9
9
9
9
9
6
6
8
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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