Plum Island Surf Break

Lat Long: 42.80° N 70.81° W

Plum Island 48 hour detailed Surf Forecast

Issued: 1 pm 13 Jul 2026 (local time)

Forecast update in  hr  min

Today's Plum Island sea temperature is
19.9° C
1.6° 

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 (13 Jul):

  • Morning surf: Morning surf (13 Jul, local time) - 1ft (0.3m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (13 Jul, local time) - 3ft (0.9m), 4s period with SSE swell.
  • Evening surf: Evening surf (13 Jul, local time) - 5ft (1.5m), 5s period with S swell.

The current surf forecast for Plum Island at 7PM is: 1.5m 5s primary swell from a South direction and 0.2m 10s secondary swell from a East-southeast direction, 0.1m 8s secondary swell from a East direction (forecast issued at 01:00pm July 13). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (13 Jul)1ft (0.3m)10s
Afternoon (13 Jul)3ft (0.9m)4s
Evening (13 Jul)5ft (1.5m)5s

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


Short Range Forecast

Mostly dry. Warm (max 36°C on Tue afternoon, min 21°C on Mon night). Mainly fresh winds.

Mon
13
Tuesday
14
Wednesday
15
Thu
16
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
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
Wave
Height (m)
Direction
Period (s)
0.3
SE
10
0.9
SSE
4
1.4
S
5
1.5
S
5
0.2
ESE
9
0.2
ESE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.6
S
6
0.6
SSE
7
0.5
S
6
0.4
SSE
6
0.2
ESE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.2
ESE
9
0.2
SSE
6
0.1
SE
9
0.1
SE
9
0.1
E
15
Wave Graph
Metric surfscale
Energy kJ
14
25
102
129
8
8
14
13
13
13
13
27
34
21
11
8
12
12
12
8
3
3
3
4
Wind (km/h)
15
S
20
S
30
SSW
25
SW
25
SW
20
SW
20
SW
20
WSW
20
WSW
20
WSW
20
W
20
WSW
20
WSW
15
W
15
WSW
25
WNW
25
WNW
20
NW
15
NW
15
NNW
10
WNW
10
WSW
10
W
15
WSW
Wind State
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
High Tide
11:10AM2.40m
11:26PM2.99m
12:08PM2.47m
00:23AM3.02m
1:05PM2.53m
1:19AM2.99m
Low Tide
5:40PM0.11m
6:29AM-0.30m
6:37PM0.05m
7:24AM-0.34m
7:34PM0.02m
clear
part cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:16
5:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:21
8:20
8:19
8:19
 mm
Temp °C
27
29
26
25
23
22
21
23
29
34
36
33
30
28
26
25
27
32
32
27
24
22
22
23
Feels °C
26
26
22
22
20
20
19
21
28
32
34
32
30
29
26
24
24
28
29
25
23
20
21
21
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Plum Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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