Long Beach Surf Break

Lat Long: 42.63° N 70.62° W

Long Beach 48 hour detailed Surf Forecast

Issued: 1 pm 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's Long Beach sea temperature is
17.5°C
0.9° 

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 (21 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 1ft (0.3m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 1.5ft (0.4m), 8s period with SE swell.
  • Evening surf: Evening surf (21 Sep, local time) - 1.5ft (0.4m), 9s period with SE swell.

The current surf forecast for Long Beach at 5PM is: 0.4m 9s primary swell from a Southeast direction and 0.5m 4s secondary swell from a East direction (forecast issued at 01:00pm September 21). An open ocean swell of 0.3m 4s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (21 Sep)1ft (0.3m)10s
Afternoon (21 Sep)1.5ft (0.4m)8s
Evening (21 Sep)1.5ft (0.4m)9s

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


Short Range Forecast

Mostly dry. Very mild (max 16°C on Mon night, min 12°C on Tue morning). Winds increasing (light winds from the E on Mon night, strong winds from the ENE by Wed morning).

Mon
21
Tuesday
22
Wednesday
23
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
SE
10
0.4
SE
8
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.5
SE
8
1.6
ENE
5
1.7
ENE
6
1.7
ENE
6
1.7
ENE
7
1.5
ENE
7
1.4
ENE
6
1.3
ENE
6
1.7
E
6
1.8
E
7
1.8
E
7
2.1
E
7
2.2
E
8
2.2
E
8
2.1
E
8
2
E
9
Wave Graph
Metric surfscale
Energy kJ
16
15
23
22
22
30
133
193
227
277
195
144
121
225
280
286
452
535
609
623
632
Wind (km/h)
30
NNE
20
NE
15
E
10
E
25
NNE
35
NE
30
NE
35
NE
35
NE
30
NE
25
NE
25
ENE
30
ENE
35
NE
35
NE
35
ENE
40
ENE
40
NE
35
ENE
30
ENE
25
ENE
Wind State
cross-off
cross
cross-on
cross-on
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
High Tide
8:07PM2.47m
8:51AM2.26m
8:59PM2.55m
9:36AM2.38m
9:45PM2.64m
Low Tide
1:49PM0.63m
2:36AM0.39m
2:43PM0.54m
3:21AM0.30m
3:30PM0.41m
clear
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:42
6:39
6:37
 mm
Temp °C
14
14
15
16
15
14
13
12
12
12
12
13
14
14
14
14
12
12
12
12
13
Feels °C
9
10
12
14
10
7
6
4
5
5
6
7
7
7
7
7
4
5
5
5
7
  • 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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