Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 1 am 22 Aug 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
19.0°C
0.1° 

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 (22 Aug):

  • Morning surf: Morning surf (22 Aug, local time) - 1.5ft (0.5m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (22 Aug, local time) - 2.5ft (0.8m), 6s period with ESE swell.
  • Evening surf: Evening surf (22 Aug, local time) - 3.5ft (1.0m), 6s period with ESE swell.

The current surf forecast for Costellos at 6AM is: 0.5m 8s primary swell from a East-southeast direction and 0.2m 14s secondary swell from a East-southeast direction, 0.4m 3s secondary swell from a East-northeast direction (forecast issued at 01:00am August 22). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (22 Aug)1.5ft (0.5m)8s
Afternoon (22 Aug)2.5ft (0.8m)6s
Evening (22 Aug)3.5ft (1.0m)6s

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


Short Range Forecast

Moderate rain (total 15mm), heaviest on Sat afternoon. Warm (max 28°C on Mon afternoon, min 16°C on Sat afternoon). Wind will be generally light.

Saturday
22
Sunday
23
Monday
24
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
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
1
0
0
0
1
0
1
1
1
0
0
0
1
1
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)
0.5
ESE
8
0.5
ESE
8
0.5
ESE
8
0.5
ESE
8
0.8
ESE
6
0.9
ESE
6
1
ESE
6
1
E
6
0.9
E
6
0.8
E
6
0.7
E
6
0.6
E
6
0.3
ESE
12
0.3
ESE
12
0.3
ESE
12
0.3
ESE
12
0.5
E
6
0.7
SE
7
0.9
SE
6
0.9
SE
6
0.9
SE
6
0.9
SE
6
1
SSE
6
0.9
SSE
6
Wave Graph
Metric surfscale
Energy kJ
36
36
35
35
34
68
82
66
50
39
31
22
29
28
28
28
19
46
68
66
68
59
77
56
Wind (km/h)
10
NNE
15
NE
20
NE
20
NE
15
NE
15
NNE
15
NNE
10
N
10
N
5
NE
5
NE
10
ENE
5
E
5
E
5
ENE
5
SSW
10
W
5
WNW
5
SW
20
SW
20
WSW
15
SW
5
WSW
15
WSW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
glassy
on
on
on
glassy
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
High Tide
7:32AM2.56m
7:42PM2.90m
8:28AM2.59m
8:36PM2.95m
9:19AM2.66m
9:26PM3.03m
Low Tide
1:19AM0.92m
1:24PM1.18m
2:16AM0.90m
2:20PM1.15m
3:08AM0.84m
3:12PM1.07m
cloud
cloud
cloud
cloud
light rain
mod rain
light rain
cloud
cloud
cloud
cloud
light rain
light rain
part cloud
thunderstorm
thunderstorm
rain showers
clear
clear
clear
clear
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:35
7:32
7:31
 mm
1
8
1
1
1
1
1
1
Temp °C
20
19
18
18
17
16
17
17
17
17
18
18
18
20
21
20
19
18
18
25
26
28
23
21
Feels °C
19
18
16
15
16
15
17
17
17
18
20
19
19
22
24
22
20
19
19
23
21
25
22
19
  • 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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