Plum Island surf break

Plum Island surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 pm Monday 14 Jul 2025 EDT
Forecast update in hr  min  s Forecast update imminent
Plum Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Plum Island sea temperature is
19.1° C
(Which is slightly warmer than usual)


How big are the waves at Plum Island today?

The current surf forecast for Plum Island at 4PM is: 0.8m 4s primary swell from a South-southeast direction and 0.2m 9s secondary swell from a East-southeast direction, 0.2m 7s secondary swell from a East direction (forecast issued at 01:00pm July 14). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (14 Jul)0.5ft (0.2m)9s
Afternoon (14 Jul)2.5ft (0.7m)4s
Evening (14 Jul)3.5ft (1.0m)5s

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

Updates in  hr  min  s Forecast update imminent
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
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
0
0
0
0
0
0
0
0
0
0
0
0
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
Wave Height (m) & direction (?)
0.2
ESE
0.7
SE
0.9
SSE
1
SSE
0.8
SSE
0.7
SSE
0.4
SSE
0.4
SE
0.4
SE
0.4
SE
0.2
ESE
0.5
S
0.7
SSE
0.7
S
0.5
S
0.4
S
0.2
ESE
0.1
E
0.8
SSE
0.9
SSE
0.9
SSE
0.7
S
0.5
S
0.5
S
0.6
S
0.8
SSE
0.9
SSE
0.9
SSE
0.7
SSE
0.6
SSE
0.5
SSE
0.4
SSE
0.4
SSE
0.4
SE
0.1
SE
0.4
SE
0.3
SE
0.4
SE
0.3
SE
0.3
SE
0.3
SE
0.2
SSE
0.3
SE
0.2
SSE
0.2
ESE
0.2
ESE
0.3
SE
0.4
SE
0.4
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.2
ESE
0.3
SE
0.2
ESE
0.3
SE
Period(s) (?)93455665558455446184555444455556688153848886668888888888879999
Wave
Graph
(?)Metric surfscale
Energy (?)20244354343620151517171929351715111427405032201922354843272623243327181024212017171114714111421201414161414171512201517
Wind
(km/h)
15
S
20
SSE
10
S
10
SW
15
SW
10
SW
10
SW
10
SW
5
S
15
SE
15
SSE
15
S
15
SW
15
SW
10
SW
10
SW
5
SSW
20
SSE
20
SSE
25
SSW
15
SSW
15
SSW
10
SSW
10
SSW
20
SSW
15
S
10
SSW
10
SSW
10
SW
10
WSW
10
WSW
15
W
10
WNW
10
SW
5
E
5
SE
10
N
15
NNE
15
NNE
10
N
10
NNE
10
E
15
SSE
15
SSW
10
WSW
10
WNW
10
NW
5
WNW
5
SSW
15
SSE
20
SSE
15
S
10
SW
15
SW
10
WSW
5
ENE
15
NE
10
E
5
ENE
5
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glasscross-
on
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
offoffoffcross-
off
cross-
off
glassglasscrosscross-
on
cross-
on
crosscrossoncross-
on
cross-
off
cross-
off
offcross-
off
cross-
off
glasscrosscrosscrosscross-
off
cross-
off
offcross-
on
cross-
on
ononon
High Tide
/ height (m)
3:02PM
2.51
3:15AM
2.70
3:48PM
2.58
4:04AM
2.64
4:36PM
2.63
4:56AM
2.54
5:27PM
2.66
5:52AM
2.43
6:21PM
2.69
6:51AM
2.33
7:19PM
2.70
7:55AM
2.25
8:19PM
2.72
9:00AM
2.23
Low Tide
/ height (m)
9:23AM
-0.02
9:35PM
0.24
10:04AM
-0.02
10:24PM
0.19
10:48AM
-0.00
11:18PM
0.14
11:37AM
0.04
12:17AM
0.09
12:31PM
0.10
1:20AM
0.05
1:30PM
0.16
2:25AM
-0.01
2:33PM
0.20
3:28AM
-0.06
3:36PM
0.20
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Sunrise-------5:16-------5:18-------5:18-------5:20-------5:20-------5:22-------5:22----
Sunset---8:20-------8:19-------8:19-------8:17-------8:16-------8:16-------8:15-------8:15
clearpart cloudlight rainlight rainlight rainlight raincloudclearclearpart cloudclearclearclearclearclearclearclearclearclearpart cloudcloudcloudcloudlight raincloudthunderstorm thunderstorm part cloudclearclearclearpart cloudpart cloudpart cloudthunderstorm thunderstorm cloudcloudpart cloudcloudcloudpart cloudclearclearclearclearclearpart cloudpart cloudclearpart cloudpart cloudclearpart cloudlight rainrain showerslight raincloudcloudcloud
Rain (mm)
--2111-----------------1-11-------43------------------172---
Temp. °C252624232322222328302828262323243031292927252424293030292726252631292523212019192123252423222222262826252422201917171818
Feels °C (?)262525252524252631302830272526263130282928272626293132322928272733322927242118192122232323202020252522232321212116171919
  • 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

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