Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 1 pm 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
18.9° 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 (19 Aug):

  • Morning surf: Morning surf (19 Aug, local time) - 2ft (0.6m), 7s period with SE swell.
  • Afternoon surf: Afternoon surf (19 Aug, local time) - 2.5ft (0.7m), 7s period with SE swell.
  • Evening surf: Evening surf (19 Aug, local time) - 2.5ft (0.8m), 6s period with SE swell.

The current surf forecast for Costellos at 7PM is: 0.7m 6s primary swell from a Southeast direction and 0.3m 8s secondary swell from a Southeast direction, 0.4m 3s secondary swell from a South-southeast direction (forecast issued at 01:00pm August 19). The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (19 Aug)2ft (0.6m)7s
Afternoon (19 Aug)2.5ft (0.7m)7s
Evening (19 Aug)2.5ft (0.8m)6s

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


Short Range Forecast

Mostly dry. Warm (max 28°C on Wed afternoon, min 17°C on Fri night). Wind will be generally light.

Wed
19
Thursday
20
Friday
21
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
0
0
0
0
0
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)
0.6
SE
7
0.7
SE
7
0.6
SE
7
0.7
SE
6
0.8
SE
6
0.8
SE
6
0.7
SE
6
0.7
SE
8
0.6
SE
8
0.6
SE
8
0.6
ESE
7
0.6
ESE
7
0.6
ESE
8
0.6
ESE
8
0.6
ESE
8
0.6
ESE
8
0.5
ESE
8
0.5
ESE
8
0.5
ESE
8
0.5
ESE
8
0.5
ESE
8
Wave Graph
Metric surfscale
Energy kJ
29
44
36
40
53
45
39
63
48
45
36
34
39
46
46
48
39
39
38
38
37
Wind (km/h)
5
SSW
10
SSE
5
SSW
10
NW
10
WNW
10
W
10
W
5
NW
5
NE
10
SE
10
SSW
10
WSW
10
W
10
NNW
10
NNW
10
N
10
ENE
15
E
15
SE
10
SSE
5
SSE
Wind State
cross-off
cross
cross-off
cross-off
off
off
off
cross-off
glassy
cross-on
cross-off
off
off
cross-off
cross-off
cross
cross-on
on
cross-on
cross
cross
High Tide
4:56PM3.09m
5:33AM2.72m
5:48PM2.97m
6:32AM2.60m
6:45PM2.91m
Low Tide
10:40AM0.88m
11:22PM0.78m
11:31AM1.04m
00:20AM0.88m
12:26PM1.14m
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:38
7:37
7:36
 mm
Temp °C
25
27
28
27
23
22
21
21
25
26
25
21
22
20
19
18
22
22
22
21
20
Feels °C
26
26
28
27
23
22
21
21
25
25
24
20
20
18
17
16
20
19
19
19
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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