Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 7 am 23 Aug 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
18.8°C
0.2° 

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


How big are the waves at Costellos today (23 Aug):

  • Morning surf: Morning surf (23 Aug, local time) - 2.5ft (0.7m), 6s period with E swell.
  • Afternoon surf: Afternoon surf (23 Aug, local time) - 1ft (0.3m), 12s period with ESE swell.
  • Evening surf: Evening surf (23 Aug, local time) - 1ft (0.3m), 12s period with ESE swell.

The current surf forecast for Costellos at 12PM is: 0.6m 6s primary swell from a East direction and 0.2m 12s secondary swell from a East-southeast direction (forecast issued at 07:00am August 23). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (23 Aug)2.5ft (0.7m)6s
Afternoon (23 Aug)1ft (0.3m)12s
Evening (23 Aug)1ft (0.3m)12s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Sun night. Warm (max 28°C on Mon afternoon, min 16°C on Tue night). Wind will be generally light.

Sunday
23
Monday
24
Tuesday
25
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
Rating
(10 max)
0
0
0
0
0
0
1
0
1
1
0
0
0
1
1
1
1
1
1
1
1
1
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)
0.8
E
6
0.7
E
6
0.7
E
6
0.3
ESE
12
0.3
ESE
12
0.3
ESE
12
0.3
ESE
12
0.4
ESE
6
0.4
SE
12
0.7
SSE
7
0.9
SE
7
0.9
SE
7
0.9
SE
6
0.9
SSE
6
0.8
SSE
6
0.8
SSE
6
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.6
SE
6
0.6
SE
6
Wave Graph
Metric surfscale
Energy kJ
38
31
31
29
28
28
28
14
35
48
75
73
59
66
40
34
30
30
29
29
29
31
27
Wind (km/h)
5
ENE
5
E
10
ESE
10
E
10
E
10
SSE
5
SSW
10
WSW
5
SW
10
SW
15
SSW
15
SSW
15
SW
10
SW
10
WSW
10
WSW
10
W
10
W
10
WSW
5
SW
10
WNW
15
W
15
W
Wind State
cross-on
on
on
on
on
cross-on
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
off
off
off
High Tide
8:28AM2.59m
8:36PM2.95m
9:19AM2.66m
9:26PM3.03m
10:04AM2.78m
10:11PM3.13m
Low Tide
2:16AM0.90m
2:20PM1.15m
3:08AM0.84m
3:12PM1.07m
3:54AM0.74m
3:59PM0.95m
cloud
cloud
part cloud
light rain
light rain
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:32
7:31
7:30
 mm
1
1
1
2
1
Temp °C
18
18
19
19
20
20
20
19
18
18
25
27
28
25
22
19
17
17
23
24
25
21
18
Feels °C
20
19
20
20
21
22
22
20
19
18
22
23
24
23
21
18
15
15
21
23
23
20
16
  • 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 Costellos 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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