Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 1 pm 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 6PM is: 0.3m 12s primary swell from a East-southeast direction and 0.5m 6s secondary swell from a East direction (forecast issued at 01:00pm August 23). The wind direction is predicted to be glassy.

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 3mm), mostly falling on Sun afternoon. Warm (max 28°C on Mon afternoon, min 16°C on Tue night). Wind will be generally light.

Sun
23
Monday
24
Tuesday
25
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
1
1
1
1
0
0
0
1
1
1
1
0
0
1
1
1
1
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)
0.7
E
6
0.3
ESE
12
0.3
ESE
12
0.3
ESE
12
0.3
ESE
12
0.6
ESE
6
0.4
SE
12
0.4
SE
12
0.8
SE
6
0.9
SE
6
0.4
SE
11
0.9
SSE
6
0.9
SSE
6
0.4
SE
11
0.7
SSE
7
0.6
SE
6
0.6
SE
6
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.6
SE
6
Wave Graph
Metric surfscale
Energy kJ
31
29
28
28
28
27
35
35
60
70
32
55
47
31
41
33
26
29
29
32
28
Wind (km/h)
10
E
10
ESE
5
E
5
ESE
5
SSW
5
WNW
5
SSW
15
SW
15
SSW
15
SSW
15
SSW
15
SW
10
WSW
10
W
10
W
15
WSW
10
WSW
10
SSW
5
SW
10
WNW
10
W
Wind State
on
on
on
glassy
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
glassy
off
off
High Tide
8:28AM2.59m
8:36PM2.95m
9:19AM2.66m
9:26PM3.03m
10:04AM2.78m
10:11PM3.13m
Low Tide
2:20PM1.15m
3:08AM0.84m
3:12PM1.07m
3:54AM0.74m
3:59PM0.95m
part cloud
cloud
light rain
part cloud
thunderstorm
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
cloud
part cloud
thunderstorm
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
Temp °C
19
19
19
20
20
19
19
18
25
28
28
25
22
19
18
18
23
25
25
22
19
Feels °C
20
20
21
22
22
21
20
17
22
24
25
22
21
17
16
16
21
24
25
22
18
  • 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.


Nearest locationNearest