Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 1 pm 11 Jul 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
18.8° C
0.9° 

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 (11 Jul):

  • Morning surf: Morning surf (11 Jul, local time) - 1.5ft (0.4m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (11 Jul, local time) - 1.5ft (0.4m), 10s period with SE swell.
  • Evening surf: Evening surf (11 Jul, local time) - 1ft (0.3m), 10s period with SE swell.

The current surf forecast for Costellos at 4PM is: 0.4m 10s primary swell from a Southeast direction and 0.3m 8s secondary swell from a East direction (forecast issued at 01:00pm July 11). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (11 Jul)1.5ft (0.4m)8s
Afternoon (11 Jul)1.5ft (0.4m)10s
Evening (11 Jul)1ft (0.3m)10s

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


Short Range Forecast

Mostly dry. Warm (max 30°C on Tue morning, min 19°C on Sun morning). Wind will be generally light.

Sat
11
Sunday
12
Monday
13
Tue
14
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
5 AM
8 AM
Rating
(10 max)
0
0
0
0
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)
0.4
E
8
0.4
SE
10
0.4
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.4
SE
10
0.3
SE
10
0.4
SE
10
0.4
SE
10
1.2
SSE
5
1.2
SSE
5
1.2
S
6
0.3
SE
9
0.3
SE
9
0.6
S
5
Wave Graph
Metric surfscale
Energy kJ
18
24
25
15
16
16
15
15
15
15
15
15
15
15
24
14
23
29
72
87
86
14
13
15
Wind (km/h)
10
E
15
SE
15
SE
15
SSW
5
NNE
5
N
10
NNE
10
NNE
10
E
15
SE
15
SSE
15
SSE
10
SSW
10
SW
10
SW
15
SW
15
S
25
SSE
20
S
15
S
20
SW
20
SW
15
WSW
15
WSW
Wind State
on
cross-on
cross-on
cross-off
cross-on
cross
cross
cross
on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
off
High Tide
8:43AM2.99m
9:00PM3.55m
9:44AM3.12m
9:59PM3.70m
10:42AM3.25m
10:56PM3.82m
Low Tide
2:40PM0.67m
3:32AM0.27m
3:41PM0.55m
4:30AM0.11m
4:40PM0.43m
5:26AM-0.02m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:13
5:15
5:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:22
8:21
8:20
 mm
Temp °C
23
23
23
22
21
21
20
19
22
22
22
22
22
20
19
19
25
26
28
27
23
22
21
23
Feels °C
22
20
20
20
20
20
18
18
20
19
19
20
19
18
17
17
23
23
26
26
21
20
20
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