Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 1 pm 02 Sep 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
18.5°C
0.5° 

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 (02 Sep):

  • Morning surf: Morning surf (02 Sep, local time) - 2ft (0.6m), 11s period with SE swell.
  • Afternoon surf: Afternoon surf (02 Sep, local time) - 2ft (0.6m), 11s period with SE swell.
  • Evening surf: Evening surf (02 Sep, local time) - 2ft (0.6m), 10s period with SE swell.

The current surf forecast for Costellos at 8PM is: 0.6m 10s primary swell from a Southeast direction and 0.2m 3s secondary swell from a East-northeast direction, 0.2m 3s secondary swell from a South-southeast direction (forecast issued at 01:00pm September 02). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (02 Sep)2ft (0.6m)11s
Afternoon (02 Sep)2ft (0.6m)11s
Evening (02 Sep)2ft (0.6m)10s

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


Short Range Forecast

Moderate rain (total 13mm), heaviest on Thu morning. Warm (max 25°C on Fri morning, min 16°C on Wed night). Wind will be generally light.

Wed
2
Thursday
3
Friday
4
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
1
0
0
0
1
1
1
1
0
0
1
1
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
11
0.6
SE
11
0.6
SE
10
0.6
SE
10
0.6
SE
10
0.6
SE
10
0.6
SE
9
1
SSE
5
1.2
SSE
5
1
SSE
5
0.9
SE
5
0.9
SE
6
0.9
SE
6
0.9
ESE
6
0.8
ESE
6
0.8
ESE
7
0.8
ESE
7
0.9
ESE
7
0.9
ESE
7
0.9
ESE
7
0.8
ESE
7
Wave Graph
Metric surfscale
Energy kJ
75
73
64
60
60
59
55
47
70
56
49
56
52
67
47
51
51
68
70
79
66
Wind (km/h)
15
E
15
E
15
ESE
10
SE
10
S
10
S
15
S
15
S
5
NW
10
NW
10
ENE
15
ENE
10
NE
5
NNW
5
WSW
5
W
5
WSW
15
SSE
10
SSE
10
WSW
10
NNW
Wind State
on
on
cross-on
cross-on
cross
cross
cross
cross
glassy
cross-off
cross-on
cross-on
cross-on
cross-off
glassy
off
cross-off
cross-on
cross
off
cross-off
High Tide
3:25PM3.36m
4:00AM2.99m
4:18PM3.32m
4:59AM2.90m
5:18PM3.28m
Low Tide
9:09AM0.64m
9:49PM0.49m
10:00AM0.74m
10:47PM0.55m
10:58AM0.82m
part cloud
cloud
cloud
part cloud
cloud
cloud
light rain
mod rain
light rain
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
cloud
part cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:15
7:15
7:13
 mm
3
9
1
Temp °C
19
18
18
18
18
17
16
18
18
20
23
19
17
16
16
18
25
24
23
22
20
Feels °C
18
16
16
17
17
16
15
18
20
22
24
19
17
17
17
19
26
24
23
22
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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