Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 1 pm 07 Sep 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
18.3°C
0.6° 

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 (07 Sep):

  • Morning surf: Morning surf (07 Sep, local time) - 1.5ft (0.4m), 10s period with E swell.
  • Afternoon surf: Afternoon surf (07 Sep, local time) - 1.5ft (0.4m), 9s period with E swell.
  • Evening surf: Evening surf (07 Sep, local time) - 1ft (0.3m), 9s period with E swell.

The current surf forecast for Costellos at 5PM is: 0.3m 9s primary swell from a East direction and 0.1m 9s secondary swell from a Southeast direction (forecast issued at 01:00pm September 07). The wind direction is predicted to be glassy.

Time (EDT) & DateWave HeightWave Period
Morning (07 Sep)1.5ft (0.4m)10s
Afternoon (07 Sep)1.5ft (0.4m)9s
Evening (07 Sep)1ft (0.3m)9s

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


Short Range Forecast

Mostly dry. Warm (max 26°C on Thu morning, min 17°C on Tue night). Wind will be generally light.

Mon
7
Tuesday
8
Wednesday
9
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)
0.4
E
9
0.4
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.3
SE
10
0.3
SE
10
1.1
SSE
5
1
SSE
5
Wave Graph
Metric surfscale
Energy kJ
27
26
14
14
14
14
13
15
15
14
14
6
6
6
6
6
6
16
19
59
62
Wind (km/h)
10
NW
5
W
5
NNW
10
NW
10
NW
10
WNW
15
W
15
W
10
NW
5
N
15
SE
10
S
5
SSW
5
NNE
5
NE
5
E
15
SE
15
SE
10
SE
10
SW
20
SSW
Wind State
cross-off
glassy
glassy
cross-off
cross-off
cross-off
off
off
cross-off
cross
cross-on
cross
glassy
glassy
cross-on
on
cross-on
cross-on
cross-on
cross-off
cross-off
High Tide
8:20AM2.98m
8:37PM3.40m
9:20AM3.14m
9:37PM3.50m
10:14AM3.30m
10:32PM3.58m
Low Tide
2:20PM0.73m
3:06AM0.38m
3:22PM0.58m
4:01AM0.27m
4:19PM0.42m
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
7:06
7:04
 mm
Temp °C
22
24
25
23
22
21
20
20
21
22
21
20
19
18
17
17
20
21
22
21
21
Feels °C
19
22
24
20
20
19
18
17
20
22
19
19
19
19
17
17
19
20
22
21
20
  • 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