Plum Island Surf Break

Lat Long: 42.80° N 70.81° W

Plum Island 48 hour detailed Surf Forecast

Issued: 1 pm 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's Plum Island sea temperature is
19.3°C
0.4° 

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 (27 Aug):

  • Morning surf: Morning surf (27 Aug, local time) - 2.5ft (0.8m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (27 Aug, local time) - 3.5ft (1.1m), 8s period with SE swell.
  • Evening surf: Evening surf (27 Aug, local time) - 2.5ft (0.7m), 9s period with SE swell.

The current surf forecast for Plum Island at 4PM is: 1.5m 5s primary swell from a South-southeast direction and 0.1m 11s secondary swell from a East direction, 0.1m 11s secondary swell from a East direction (forecast issued at 01:00pm August 27). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (27 Aug)2.5ft (0.8m)8s
Afternoon (27 Aug)3.5ft (1.1m)8s
Evening (27 Aug)2.5ft (0.7m)9s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Thu night. Warm (max 28°C on Thu afternoon, min 15°C on Sat morning). Wind will be generally light.

Thu
27
Friday
28
Saturday
29
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
1
0
1
1
1
1
1
1
1
1
1
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)
0.8
ESE
8
1.1
SE
8
1.5
SSE
5
0.7
SE
9
0.6
SE
8
0.7
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.8
SE
8
0.7
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.5
SE
8
0.5
SE
8
0.5
SE
8
0.5
SE
8
0.5
SE
8
Wave Graph
Metric surfscale
Energy kJ
92
181
105
75
58
72
55
55
55
54
53
75
60
49
49
38
29
28
28
29
31
Wind (km/h)
15
S
25
SSE
25
S
20
S
15
SSW
10
S
10
SSW
10
SW
5
SW
10
SSW
5
SSW
10
WNW
15
NW
15
NNW
10
NNW
15
N
10
NE
15
ESE
15
SE
15
S
15
SSW
Wind State
cross
cross-on
cross
cross
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross
cross-on
on
cross-on
cross
cross-off
High Tide
11:57AM2.31m
00:08AM2.58m
12:32PM2.42m
00:46AM2.61m
1:09PM2.52m
Low Tide
6:36PM0.24m
7:03AM0.06m
7:13PM0.16m
7:36AM0.03m
7:50PM0.08m
clear
cloud
clear
clear
thunderstorm
thunderstorm
thunderstorm
part cloud
cloud
thunderstorm
thunderstorm
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:25
7:24
7:22
 mm
1
1
1
1
1
Temp °C
25
25
28
24
21
21
21
21
24
28
27
25
21
17
16
15
17
19
20
18
19
Feels °C
24
22
25
22
22
23
23
23
27
29
29
26
21
16
15
13
16
16
17
16
18
  • 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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