Long Beach surf break

Long Beach surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 7 am Thursday 21 May 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Long Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Long Beach sea temperature is
11.6° C
(Which is 1.7°C warmer than normal for this time of year)

How big are the waves at Long Beach today?

The current surf forecast for Long Beach at 12PM is: 0.4m 9s primary swell from a Southeast direction and 0.1m 14s secondary swell from a East direction (forecast issued at 07:00am May 21). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (21 May)1.5ft (0.4m)9s
Afternoon (21 May)2ft (0.6m)5s
Evening (21 May)1ft (0.3m)9s

Table - waves today at Long Beach. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 14°C on Fri night, min 11°C on Thu morning). Wind will be generally light.

Thursday
21
Friday
22
Saturday
23
Sun
24
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 MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.6
NE
5
0.6
ENE
5
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.2
ESE
9
0.3
SE
9
Wave Graph
Metric surfscale
Energy kJ
29
28
28
20
17
12
12
13
13
13
13
14
15
15
15
15
15
15
15
14
14
14
9
14
Wind (km/h)
15
N
20
NE
15
ENE
15
SE
15
SSE
15
S
10
SSW
15
NNE
20
NE
20
NNE
15
NE
15
ESE
15
SSE
20
SSE
10
S
10
WSW
5
NNW
10
NNE
10
ENE
10
SE
15
SE
15
SSE
15
SSE
15
ESE
cross-off
cross
cross-on
on
on
cross-on
cross-on
cross-off
cross-off
cross-off
cross
on
on
cross-on
cross-on
cross-off
cross-off
cross-off
cross
on
on
cross-on
on
cross-on
High Tide
3:05AM3.12m
3:57PM2.69m
4:08AM2.97m
5:00PM2.65m
5:14AM2.82m
6:04PM2.65m
Low Tide
9:34AM-0.22m
9:50PM0.20m
10:36AM-0.09m
10:57PM0.27m
11:38AM0.02m
00:05AM0.30m
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:15
5:13
5:13
5:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:02
8:04
8:05
8:06
Temp °C
17
12
11
11
12
13
13
12
11
11
11
12
12
13
14
12
13
13
13
13
13
14
14
13
13
7
7
7
8
9
10
7
5
6
6
7
6
7
9
8
10
9
9
9
9
9
9
9
Swell 1
Height (m)
Direction
Period (s)
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.6
NE
5
0.6
ENE
5
0.4
NE
4
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
NE
4
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.2
ESE
9
0.3
SE
9
Energy kJ
29
28
28
20
17
5
12
13
13
13
13
2
15
15
15
15
15
15
15
14
14
14
9
14
Swell 2
Height (m)
Direction
Period (s)
0.1
E
14
0.1
E
14
0.1
E
14
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.2
ENE
4
0.1
SE
6
0.1
SE
5
0.1
SE
5
0.1
SE
5
0.3
SE
9
0.3
NE
4
0.1
SE
13
0.2
SSE
3
0.2
SSE
2
0.1
E
13
0.1
E
13
0.1
E
12
Energy kJ
4
4
4
12
12
12
1
1
1
1
1
14
2
7
1
1
4
3
3
Swell 3
Height (m)
Direction
Period (s)
0.1
E
15
0.1
E
15
0.1
E
14
0.1
E
14
0.1
E
15
0.1
SE
6
0.1
E
14
0.1
E
13
0.1
E
13
0.1
E
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
E
13
0.1
E
13
0.1
SE
12
Energy kJ
4
4
4
4
4
1
4
3
3
3
7
7
7
4
4
6
Wind waves
Height (m)
Direction
Period (s)
0.4
NNW
3
0.6
NNE
4
0.6
NE
4
0.1
SE
6
0.1
SE
6
0.2
SSE
6
0.2
ENE
4
0.4
NE
3
0.5
NE
3
0.4
NE
4
0.3
SSE
2
0.3
S
3
0.2
SSE
2
0.3
SE
3
Energy kJ
3
10
16
1
1
3
1
3
5
4
1
1
1
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
2
2
1
1
1
1
Distance (km)
154
160
158
158
316
498
618
316
626
620
847
851
859
871
885
885
766
847
892
885
766
505
505
505
Best forecast wave conditions in Massachusetts
Rating
(10 max)
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
2
1
2
2
2
2
2
2
3
1
1
2
3
2
2
2
2
1
1
1
2
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
7
7
7
6
6
7
8
6
7
8
8
7
7
6
6
5
5
  • 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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