Plum Island Surf Break

Plum Island 48 hour detailed Surf Forecast

Lat Long: 42.80° N 70.81° W

Issued: 7 am 04 Jul 2026 (local time)

Forecast update in  hr  min

Today's Plum Island sea temperature is
17.9° C

Slightly warmer than usual

Plum Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Surf Forecasts:

How big are the waves at Plum Island today (04 Jul):

  • Morning surf: Morning surf (04 Jul, local time) - 1.5ft (0.4m), 9s period with SE swell.
  • Afternoon surf: Afternoon surf (04 Jul, local time) - 1.5ft (0.4m), 9s period with SE swell.
  • Evening surf: Evening surf (04 Jul, local time) - 1ft (0.3m), 9s period with SE swell.

The current surf forecast for Plum Island at 4PM is: 0.4m 9s primary swell from a Southeast direction (forecast issued at 07:00am July 04). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (04 Jul)1.5ft (0.4m)9s
Afternoon (04 Jul)1.5ft (0.4m)9s
Evening (04 Jul)1ft (0.3m)9s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Light rain (total 5mm), mostly falling on Sat night. Warm (max 33°C on Sat afternoon, min 17°C on Mon night). Wind will be generally light.

Saturday
4
Sunday
5
Monday
6
Tue
7
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
11 AM
2 PM
5 PM
8 PM
11 PM
2 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
9
0.4
SE
9
0.3
SE
9
0.4
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.4
SE
9
0.4
SE
10
0.4
SE
10
0.4
SE
9
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
10
0.4
SE
9
0.4
SE
9
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
Wave Graph
Metric surfscale
Energy kJ
13
22
13
21
13
13
13
21
23
23
19
18
18
18
23
23
23
23
24
24
24
24
24
24
Wind (km/h)
10
W
15
WNW
15
WNW
15
NW
10
NNW
10
WNW
5
SW
5
NNE
10
N
10
NNE
15
ENE
15
E
15
ESE
10
SSE
10
S
5
SE
10
SSE
15
S
15
SSE
15
SE
15
ESE
10
ESE
10
ESE
15
ESE
Wind State
off
off
cross-off
cross-off
cross-off
off
glassy
cross
cross
cross-on
cross-on
on
cross-on
cross
cross
glassy
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
on
High Tide
2:59AM2.56m
3:30PM2.36m
3:41AM2.53m
4:12PM2.42m
4:26AM2.48m
4:57PM2.48m
Low Tide
9:56AM0.15m
10:06PM0.40m
10:32AM0.17m
10:49PM0.37m
11:10AM0.19m
11:37PM0.31m
clear
clear
clear
cloud
part cloud
thunderstorm
light rain
cloud
clear
part cloud
clear
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
—
—
—
—
—
—
—
5:09
—
—
—
—
—
—
—
5:11
—
—
—
—
—
—
5:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
8:23
—
—
—
—
—
—
—
8:23
—
—
—
—
—
—
—
8:23
—
8:22
 mm
—
—
—
—
—
1
3
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
25
27
31
33
32
27
25
24
22
20
21
22
21
20
20
20
20
18
18
18
18
17
17
17
Feels °C
26
28
31
32
32
28
28
25
21
19
19
21
19
20
20
21
21
18
17
16
17
16
16
16
Swell 1
Height (m)
Direction
Period (s)
0.3
SE
9
0.4
SE
9
0.3
SE
9
0.4
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.4
SE
9
0.4
SE
10
0.4
SE
10
0.4
SE
9
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
10
0.4
SE
3
0.4
SE
9
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
Energy kJ
13
22
13
21
13
13
13
21
23
23
19
18
18
18
23
3
23
23
24
24
24
24
24
24
Swell 2
Height (m)
Direction
Period (s)
0.2
SSE
5
0.1
SE
5
—
—
—
0.2
SSE
3
0.2
SSE
3
—
0.2
S
5
0.2
S
5
0.1
SE
6
0.1
S
6
—
—
—
0.4
SE
9
—
—
0.3
SSE
3
0.3
SSE
4
—
—
0.1
E
10
0.1
E
10
Energy kJ
2
1
—
—
—
1
1
—
2
2
1
1
—
—
—
23
—
—
2
3
—
—
2
2
Swell 3
Height (m)
Direction
Period (s)
0.1
E
15
—
—
—
—
—
—
0.1
SE
6
0.1
SE
6
0.1
SE
6
0.1
SE
10
0.1
SE
10
—
—
—
—
—
—
—
—
—
—
—
—
Energy kJ
4
—
—
—
—
—
—
2
2
2
4
4
—
—
—
—
—
—
—
—
—
—
—
—
Wind waves
Height (m)
Direction
Period (s)
0.3
W
3
0.3
W
3
—
—
0.2
WSW
2
0.2
NNW
3
0.3
NW
3
0.2
N
3
0.3
NNE
4
0.3
NNE
4
0.3
NE
3
0.3
NE
3
—
0.3
SE
2
0.4
SE
3
0.4
SE
3
0.3
SE
3
0.4
SE
3
—
0.4
SE
4
0.3
SSE
4
0.4
SE
4
0.4
SSE
4
0.5
SE
4
Energy kJ
1
1
—
—
1
1
1
1
2
2
2
2
—
1
3
2
2
2
—
4
3
4
7
9
Nearest Offshore or Glassy
Indian Wells
Long Island NY
Backyards
Nova Scotia
Scotts Bay
Nova Scotia
Tereza
Santa Catarina - Sul
Kennington Cove
Cape Breton Island
Point o Woods
Long Island NY
Misquamicut State Beach
Rhode Island
Indian Wells
Long Island NY
Matunuck-The point
Rhode Island
Indian Wells
Long Island NY
Guibia
Caribbean Coast
Las Gaviotas
Caribbean
East End
Grand Cayman
Blowhole
Florida - North
Indian River (Northside)
Delaware
Chincoteague
Virginia
Moniz's Bay
Bermuda
Topsail Island
Carolina North
Assateague
Maryland
Inches
Puerto Rico
Assateague
Maryland
Naval Jetties
Delaware
Backyards
Nova Scotia
LBI Long Beach Island
New Jersey
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
231
627
509
2533
920
307
183
231
170
231
2711
3518
2787
1713
587
665
1283
1094
627
2799
627
574
627
448
Best forecast wave conditions in Massachusetts
Rating
(10 max)
Best forecast wave conditions in United States
Lincoln City Nelscott Reef
Oregon North
Malibu
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Super Tubes
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The Wedge
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The Wedge
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Super Tubes
CAL - Ventura
Super Tubes
CAL - Ventura
Malibu
CAL - LA County
Hollywood Beach
CAL - Ventura
Swamis
CAL - San Diego County
Swamis
CAL - San Diego County
The Strait
Washington
Elwha
Washington
Latigo Point
CAL - LA County
Malibu
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Super Tubes
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Trestles (Uppers)
CAL - Orange County
Hollywood Beach
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Super Tubes
CAL - Ventura
Point Mugu
CAL - Ventura
Super Tubes
CAL - Ventura
Topsail Island
Carolina North
Heavens
CAL - LA County
Hollywood Beach
CAL - Ventura
Rating
(10 max)
2
2
2
2
2
2
1
2
2
3
3
1
1
2
2
2
3
3
2
2
2
1
3
3
Header Global
Cyclops
Australia
Cyclops
Australia
Cyclops
Australia
Cat Bay (Shelly Beach)
Australia
Lebu
Chile
Lebu
Chile
Trial Harbour
Australia
Trial Harbour
Australia
Trial Harbour
Australia
Trial Harbour
Australia
Easter Reef
Australia
Blaketown Wedge
New Zealand
Blaketown Wedge
New Zealand
Desperation Point
New Zealand
Arawhata
New Zealand
Anawhata Road (Oaonui)
New Zealand
Anawhata Road (Oaonui)
New Zealand
Desperation Point
New Zealand
Cobblestones
Australia
Cobblestones
Australia
Cobblestones
Australia
Cobblestones
Australia
Cobblestones
Australia
Trial Harbour
Australia
Rating
(10 max)
5
5
5
5
5
5
9
9
9
8
7
5
5
6
5
5
5
5
9
8
8
8
7
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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View detailed surf forecast for Plum Island at:
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