Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 7 am 13 Jul 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
19.6° C
1.6° 

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 (13 Jul):

  • Morning surf: Morning surf (13 Jul, local time) - 1ft (0.3m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (13 Jul, local time) - 1.5ft (0.4m), 10s period with SE swell.
  • Evening surf: Evening surf (13 Jul, local time) - 4.5ft (1.3m), 6s period with S swell.

The current surf forecast for Costellos at 12PM is: 0.4m 10s primary swell from a Southeast direction and 0.2m 7s secondary swell from a East direction (forecast issued at 07:00am July 13). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (13 Jul)1ft (0.3m)10s
Afternoon (13 Jul)1.5ft (0.4m)10s
Evening (13 Jul)4.5ft (1.3m)6s

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


Short Range Forecast

Mostly dry. Warm (max 36°C on Tue afternoon, min 20°C on Mon morning). Wind will be generally light.

Monday
13
Tuesday
14
Wednesday
15
Thu
16
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
2 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SE
10
0.3
SE
10
0.4
SE
10
0.4
SE
10
1.1
S
5
1.3
S
6
1.3
S
6
0.3
SE
9
0.8
S
5
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.7
SSE
6
0.9
SSE
7
0.7
SSE
7
0.6
S
6
0.3
SE
9
0.3
SE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.3
SSE
5
Wave Graph
Metric surfscale
Energy kJ
24
14
23
27
59
103
104
14
34
13
13
13
14
37
64
47
27
13
12
8
8
8
8
6
Wind (km/h)
15
SSW
10
SW
15
SSW
25
SSE
30
SSW
25
SW
25
SW
20
WSW
20
SW
15
WSW
20
WSW
25
WSW
20
WSW
20
WSW
20
WSW
15
W
15
W
15
NNW
20
WNW
15
NW
15
NW
10
W
5
W
10
W
Wind State
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
glassy
off
High Tide
10:42AM3.25m
10:56PM3.82m
11:38AM3.38m
11:52PM3.89m
12:32PM3.48m
00:47AM3.88m
Low Tide
4:30AM0.11m
4:40PM0.43m
5:26AM-0.02m
5:37PM0.33m
6:19AM-0.08m
6:32PM0.27m
clear
clear
clear
cloud
part cloud
cloud
clear
clear
part cloud
cloud
part cloud
clear
part cloud
clear
clear
clear
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:15
5:16
5:16
5:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:21
8:20
8:20
8:19
 mm
Temp °C
20
20
26
28
27
25
23
22
21
23
29
34
36
32
29
29
26
25
26
29
31
28
26
24
Feels °C
19
20
25
25
24
22
20
20
19
22
28
32
35
31
29
30
27
25
24
26
28
27
26
23
  • 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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