Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 7 pm 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 (25 Aug):

  • Morning surf: Morning surf (25 Aug, local time) - 1.5ft (0.4m), 11s period with SE swell.
  • Afternoon surf: Afternoon surf (25 Aug, local time) - 1.5ft (0.4m), 11s period with SE swell.
  • Evening surf: Evening surf (25 Aug, local time) - 1.5ft (0.4m), 11s period with SE swell.

The current surf forecast for Costellos at 3AM is: 0.4m 11s primary swell from a Southeast direction and 0.7m 6s secondary swell from a South-southeast direction (forecast issued at 07:00pm August 24). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (25 Aug)1.5ft (0.4m)11s
Afternoon (25 Aug)1.5ft (0.4m)11s
Evening (25 Aug)1.5ft (0.4m)11s

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


Short Range Forecast

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

Mon
24
Tuesday
25
Wednesday
26
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
1
1
1
1
1
1
1
0
0
0
0
0
1
0
0
0
1
Swell
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
11
0.8
SSE
4
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.3
SE
11
0.4
SE
11
0.4
SE
9
0.6
ESE
9
0.5
SE
9
0.7
SE
8
0.9
ESE
9
0.9
ESE
9
Wave Graph
Metric surfscale
Energy kJ
32
26
30
30
36
32
29
29
29
29
29
18
29
22
53
39
69
154
145
Wind (km/h)
15
SW
10
SW
10
SW
10
W
10
W
15
W
10
WSW
10
W
15
WNW
10
W
15
WNW
10
WNW
10
NW
10
NNW
5
ESE
10
ESE
20
SSE
15
SSE
10
SW
Wind State
cross-off
cross-off
cross-off
off
off
off
cross-off
off
off
off
off
off
cross-off
cross-off
glassy
cross-on
cross-on
cross
cross-off
High Tide
9:26PM3.03m
10:04AM2.78m
10:11PM3.13m
10:45AM2.91m
10:54PM3.22m
Low Tide
3:12PM1.07m
3:54AM0.74m
3:59PM0.95m
4:36AM0.64m
4:43PM0.82m
clear
clear
clear
part cloud
clear
clear
clear
cloud
part cloud
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
26
24
22
20
18
18
23
24
23
22
20
18
16
16
21
22
22
22
21
Feels °C
24
23
21
19
16
16
21
23
20
20
18
17
15
15
21
20
20
21
21
  • 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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