Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 7 am 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
18.7°C
0.3° 

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 (29 Aug):

  • Morning surf: Morning surf (29 Aug, local time) - 2.5ft (0.7m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (29 Aug, local time) - 2.5ft (0.7m), 7s period with SE swell.
  • Evening surf: Evening surf (29 Aug, local time) - 2ft (0.6m), 7s period with SE swell.

The current surf forecast for Costellos at 1PM is: 0.7m 7s primary swell from a Southeast direction and 0.3m 4s secondary swell from a Northeast direction, 0.4m 4s secondary swell from a North-northeast direction (forecast issued at 07:00am August 29). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (29 Aug)2.5ft (0.7m)8s
Afternoon (29 Aug)2.5ft (0.7m)7s
Evening (29 Aug)2ft (0.6m)7s

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


Short Range Forecast

Mostly dry. Warm (max 29°C on Sun afternoon, min 15°C on Sat morning). Wind will be generally light.

Saturday
29
Sunday
30
Monday
31
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)
0.6
SE
8
0.6
SE
8
0.7
SE
7
0.7
SE
7
0.7
SE
7
0.6
SE
7
0.6
SE
7
0.6
ESE
7
0.5
SE
7
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
9
0.5
SSE
5
0.5
SSE
6
0.3
SE
9
0.3
SE
9
0.3
SE
8
0.4
SE
8
0.6
SSE
3
0.3
SE
8
0.7
S
4
Wave Graph
Metric surfscale
Energy kJ
50
48
56
51
51
41
41
33
23
23
23
23
24
19
16
17
12
12
11
24
6
11
15
Wind (km/h)
10
NW
10
NNW
5
E
10
SE
20
SSE
15
S
10
SW
10
WSW
15
WSW
15
WSW
15
WSW
15
WSW
20
WSW
15
WSW
20
W
15
WNW
5
NNE
0
NW
10
SE
20
SE
20
SSE
15
SSE
15
S
Wind State
cross-off
cross-off
glassy
cross-on
cross-on
cross
cross-off
off
off
cross-off
cross-off
cross-off
off
off
off
off
cross-on
glassy
cross-on
cross-on
cross-on
cross
cross
High Tide
12:38PM3.27m
00:55AM3.32m
1:16PM3.34m
1:36AM3.28m
1:55PM3.38m
Low Tide
6:28AM0.45m
6:45PM0.50m
7:05AM0.45m
7:27PM0.45m
7:43AM0.49m
8:11PM0.43m
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:22
7:22
7:20
 mm
Temp °C
16
15
18
21
21
20
20
20
20
20
25
29
25
23
22
20
18
18
21
21
21
19
19
Feels °C
14
13
18
18
18
17
18
18
17
17
22
26
22
22
20
19
19
20
21
19
19
18
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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