Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 1 pm 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
18.8°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 (27 Aug):

  • Morning surf: Morning surf (27 Aug, local time) - 3ft (0.9m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (27 Aug, local time) - 4ft (1.2m), 8s period with SE swell.
  • Evening surf: Evening surf (27 Aug, local time) - 4.5ft (1.3m), 5s period with SSE swell.

The current surf forecast for Costellos at 8PM is: 1.4m 6s primary swell from a South-southeast direction and 0.6m 9s secondary swell from a Southeast direction, 0.1m 10s secondary swell from a East direction (forecast issued at 01:00pm August 27). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (27 Aug)3ft (0.9m)8s
Afternoon (27 Aug)4ft (1.2m)8s
Evening (27 Aug)4.5ft (1.3m)5s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Fri afternoon. Warm (max 28°C on Fri afternoon, min 15°C on Sat morning). Wind will be generally light.

Thu
27
Friday
28
Saturday
29
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
1
1
1
1
1
0
0
1
1
1
1
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)
0.9
SE
8
1.2
SE
8
1.6
SSE
5
1.4
SSE
6
0.7
SE
9
0.6
SE
8
0.7
SE
8
0.7
SE
8
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
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
Wave Graph
Metric surfscale
Energy kJ
105
205
133
115
75
58
72
72
55
55
54
93
75
61
50
39
39
37
36
36
40
Wind (km/h)
15
SSE
25
SSE
20
S
25
S
15
SSW
10
S
10
SSW
10
SW
10
SW
5
S
5
S
10
WNW
15
NNW
10
N
10
NNW
10
N
5
ENE
15
SE
20
SSE
15
S
15
SW
Wind State
cross
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross
cross-off
High Tide
11:24AM3.04m
11:35PM3.29m
12:01PM3.16m
00:15AM3.32m
12:38PM3.27m
Low Tide
5:24PM0.69m
5:52AM0.49m
6:05PM0.58m
6:28AM0.45m
6:45PM0.50m
clear
cloud
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
cloud
thunderstorm
thunderstorm
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:27
7:24
7:22
 mm
1
1
1
2
Temp °C
24
24
27
24
22
21
21
21
24
28
26
25
20
17
16
15
18
19
19
18
18
Feels °C
22
21
24
21
23
23
23
23
26
29
28
26
19
16
15
13
17
16
16
16
16
  • 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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