Long Beach Surf Break

Lat Long: 42.63° N 70.62° W

Long Beach 48 hour detailed Surf Forecast

Issued: 1 pm 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Long Beach sea temperature is
18.2°C
1.4° 

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


How big are the waves at Long Beach today (20 Sep):

  • Morning surf: Morning surf (20 Sep, local time) - 1.5ft (0.4m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (20 Sep, local time) - 1.5ft (0.4m), 11s period with SE swell.
  • Evening surf: Evening surf (20 Sep, local time) - 1.5ft (0.4m), 11s period with SE swell.

The current surf forecast for Long Beach at 5PM is: 0.4m 11s primary swell from a Southeast direction and 0.2m 9s secondary swell from a East direction, 0.8m 4s secondary swell from a Southeast direction (forecast issued at 01:00pm September 20). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (20 Sep)1.5ft (0.4m)8s
Afternoon (20 Sep)1.5ft (0.4m)11s
Evening (20 Sep)1.5ft (0.4m)11s

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


Short Range Forecast

Moderate rain (total 14mm), heaviest on Sun night. Very mild (max 16°C on Sun night, min 11°C on Tue morning). Winds increasing (light winds from the SW on Sun night, strong winds from the NE by Wed morning).

Sun
20
Monday
21
Tuesday
22
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
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
Wave
Height (m)
Direction
Period (s)
0.3
ESE
11
0.3
ESE
11
0.4
SE
11
0.4
SE
11
0.4
ESE
8
0.7
SE
5
0.6
SE
5
0.3
ESE
8
0.3
SE
10
0.3
SE
10
0.9
NE
5
0.9
ENE
5
0.8
ENE
5
1.2
ENE
5
1.5
ENE
6
1.6
ENE
6
1.7
ENE
6
1.7
ENE
7
1.6
E
7
1.5
ENE
6
1.5
E
7
Wave Graph
Metric surfscale
Energy kJ
23
22
29
29
28
21
14
13
16
15
35
39
37
63
136
166
220
240
233
165
196
Wind (km/h)
20
S
15
SE
30
SE
25
SSE
10
SW
35
N
30
NNE
30
NNE
30
NNE
25
NE
20
ENE
15
ENE
30
NE
30
ENE
30
NE
35
NE
35
NE
30
NE
30
NE
30
ENE
30
ENE
Wind State
cross-on
on
on
on
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
7:09PM2.43m
7:59AM2.17m
8:07PM2.47m
8:51AM2.26m
8:59PM2.55m
Low Tide
12:50PM0.68m
1:43AM0.45m
1:49PM0.63m
2:36AM0.39m
2:43PM0.54m
cloud
light rain
light rain
light rain
light rain
light rain
cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:44
6:42
6:39
 mm
1
2
5
4
2
Temp °C
15
14
15
16
16
13
13
13
13
14
16
16
15
14
13
12
11
11
11
12
12
Feels °C
11
12
11
13
16
7
7
7
7
10
12
12
9
8
6
5
3
4
4
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
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 Long Beach 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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