Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 7 am 24 Aug 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
18.8°C
0.0° 

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 (24 Aug):

  • Morning surf: Morning surf (24 Aug, local time) - 1.5ft (0.4m), 12s period with SE swell.
  • Afternoon surf: Afternoon surf (24 Aug, local time) - 3ft (0.9m), 6s period with SE swell.
  • Evening surf: Evening surf (24 Aug, local time) - 3.5ft (1.0m), 5s period with SSE swell.

The current surf forecast for Costellos at 1PM is: 0.9m 6s primary swell from a Southeast direction and 0.4m 11s secondary swell from a Southeast direction, 0.4m 12s secondary swell from a Southeast direction (forecast issued at 07:00am August 24). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (24 Aug)1.5ft (0.4m)12s
Afternoon (24 Aug)3ft (0.9m)6s
Evening (24 Aug)3.5ft (1.0m)5s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Mon afternoon, min 16°C on Tue night). Wind will be generally light.

Monday
24
Tuesday
25
Wednesday
26
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)
1
1
0
0
1
1
1
1
1
1
1
1
1
0
0
0
0
0
1
1
0
0
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)
0.4
SE
12
0.4
SE
12
0.8
SE
7
0.9
SE
6
0.4
SE
11
1
SSE
5
0.9
SSE
6
0.9
S
5
0.7
SE
7
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.3
SE
11
0.4
SE
11
0.3
SE
9
0.6
SE
9
0.7
SE
10
0.8
ESE
10
0.9
ESE
9
0.9
ESE
9
Wave Graph
Metric surfscale
Energy kJ
35
35
52
68
32
51
47
42
46
30
29
29
29
29
29
18
29
12
67
98
120
148
138
Wind (km/h)
10
WSW
10
WSW
15
SW
15
SSW
10
WSW
10
SSW
10
SW
5
W
10
W
15
W
15
WSW
15
W
15
W
10
W
10
W
10
WNW
10
WNW
10
WNW
5
NW
5
SE
20
SE
15
SSE
5
W
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
cross
glassy
High Tide
9:19AM2.66m
9:26PM3.03m
10:04AM2.78m
10:11PM3.13m
10:45AM2.91m
10:54PM3.22m
Low Tide
3:08AM0.84m
3:12PM1.07m
3:54AM0.74m
3:59PM0.95m
4:36AM0.64m
4:43PM0.82m
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:31
7:30
7:28
 mm
Temp °C
18
18
25
27
26
24
22
19
17
17
22
23
24
23
20
18
16
17
22
24
23
22
22
Feels °C
19
19
22
23
25
23
21
18
15
15
20
21
22
22
18
17
15
16
21
24
21
21
23
  • 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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