Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 1 pm 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
17.9°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 (09 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 0.5ft (0.2m), 9s period with E swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 1ft (0.3m), 10s period with SE swell.
  • Evening surf: Evening surf (09 Sep, local time) - 3.5ft (1.1m), 5s period with SSE swell.

The current surf forecast for Costellos at 7PM is: 1.0m 5s primary swell from a South-southeast direction and 0.3m 10s secondary swell from a Southeast direction, 0.2m 4s secondary swell from a East-northeast direction (forecast issued at 01:00pm September 09). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (09 Sep)0.5ft (0.2m)9s
Afternoon (09 Sep)1ft (0.3m)10s
Evening (09 Sep)3.5ft (1.1m)5s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Wed night. Warm (max 29°C on Thu afternoon, min 15°C on Fri morning). Wind will be generally light.

Wed
9
Thursday
10
Friday
11
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
1
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
Wave
Height (m)
Direction
Period (s)
0.2
E
9
0.3
SE
10
0.3
SE
10
1
SSE
5
1.4
S
5
1.3
S
6
1.2
S
6
1.1
SSE
6
0.9
SSE
6
0.6
S
7
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
11
Wave Graph
Metric surfscale
Energy kJ
6
16
16
47
106
106
98
95
68
33
14
14
14
15
15
15
15
15
15
17
18
Wind (km/h)
5
NNE
10
SE
10
SE
20
S
25
SSW
25
SW
25
SW
20
WSW
25
W
25
W
20
WNW
15
WNW
10
W
10
NW
15
WNW
20
WNW
20
NW
20
NW
15
NW
10
WNW
10
WNW
Wind State
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
off
off
High Tide
10:14AM3.30m
10:32PM3.58m
11:03AM3.45m
11:23PM3.62m
11:49AM3.55m
Low Tide
4:19PM0.42m
4:51AM0.20m
5:11PM0.29m
5:38AM0.17m
5:59PM0.21m
cloud
part cloud
cloud
cloud
light rain
light rain
light rain
part cloud
clear
clear
clear
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:04
7:01
7:00
 mm
1
2
1
Temp °C
17
20
20
21
22
21
22
24
27
29
28
24
20
18
16
15
18
22
23
21
19
Feels °C
17
20
20
20
20
20
20
22
23
24
24
21
18
16
13
10
13
17
18
18
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.


Nearest locationNearest