Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 1 pm 28 Aug 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
18.7°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 (28 Aug):

  • Morning surf: Morning surf (28 Aug, local time) - 2ft (0.6m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (28 Aug, local time) - 2ft (0.6m), 8s period with SE swell.
  • Evening surf: Evening surf (28 Aug, local time) - 2.5ft (0.8m), 8s period with SE swell.

The current surf forecast for Costellos at 4PM is: 0.6m 8s primary swell from a Southeast direction and 0.1m 10s secondary swell from a East direction, 0.5m 4s secondary swell from a Southeast direction (forecast issued at 01:00pm August 28). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (28 Aug)2ft (0.6m)8s
Afternoon (28 Aug)2ft (0.6m)8s
Evening (28 Aug)2.5ft (0.8m)8s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Fri afternoon. Warm (max 29°C on Sun afternoon, min 14°C on Sat morning). Wind will be generally light.

Fri
28
Saturday
29
Sunday
30
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
0
1
1
1
1
1
1
1
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
Wave
Height (m)
Direction
Period (s)
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.8
SE
8
0.8
SE
8
0.7
SE
8
0.6
SE
8
0.6
SE
8
0.7
SE
8
0.8
ESE
7
0.7
ESE
7
0.6
SE
7
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.3
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.3
SE
9
0.5
SSE
5
Wave Graph
Metric surfscale
Energy kJ
55
55
54
93
75
64
50
48
57
68
42
33
20
22
23
11
24
24
18
12
15
Wind (km/h)
5
SW
10
SE
10
SW
10
W
15
NW
10
NW
10
NW
10
NW
0
WSW
10
SE
20
SSE
15
S
10
SW
10
W
10
WSW
10
SW
15
SW
15
WSW
25
WSW
15
WSW
15
WSW
Wind State
cross-off
cross-on
cross-off
off
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
cross-on
cross
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
High Tide
12:01PM3.16m
00:15AM3.32m
12:38PM3.27m
00:55AM3.32m
1:16PM3.34m
Low Tide
6:05PM0.58m
6:28AM0.45m
6:45PM0.50m
7:05AM0.45m
7:27PM0.45m
cloud
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:24
7:22
7:22
 mm
1
2
Temp °C
25
26
26
25
20
17
15
14
19
21
20
19
19
20
20
20
25
29
27
25
23
Feels °C
27
27
27
25
19
15
14
13
19
18
16
17
18
17
18
18
22
26
24
24
22
  • 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