Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 1 pm 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
18.4°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 (05 Sep):

  • Morning surf: Morning surf (05 Sep, local time) - 2ft (0.6m), 7s period with ESE swell.
  • Afternoon surf: Afternoon surf (05 Sep, local time) - 2ft (0.6m), 7s period with ESE swell.
  • Evening surf: Evening surf (05 Sep, local time) - 2.5ft (0.8m), 7s period with E swell.

The current surf forecast for Costellos at 7PM is: 0.8m 7s primary swell from a East direction (forecast issued at 01:00pm September 05). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (EDT) & DateWave HeightWave Period
Morning (05 Sep)2ft (0.6m)7s
Afternoon (05 Sep)2ft (0.6m)7s
Evening (05 Sep)2.5ft (0.8m)7s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Sat afternoon. Warm (max 26°C on Mon afternoon, min 13°C on Sat night). Wind will be generally light.

Sat
5
Sunday
6
Monday
7
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
1
0
0
1
1
1
0
0
1
1
1
0
1
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)
0.6
ESE
7
0.6
ESE
7
0.8
E
7
0.8
E
7
0.9
E
7
1
E
7
1.3
ENE
7
1.3
ENE
7
0.7
E
8
0.9
ENE
7
0.8
ENE
7
0.7
ENE
7
0.4
E
9
0.4
E
10
0.5
ENE
7
0.4
E
10
0.4
E
10
0.4
E
9
0.4
E
9
0.4
E
10
0.4
E
10
Wave Graph
Metric surfscale
Energy kJ
43
38
60
58
71
89
149
158
58
62
51
40
27
30
28
30
29
28
28
28
29
Wind (km/h)
20
NE
15
NE
15
ENE
0
NW
5
NNE
15
NE
10
N
15
N
10
NNW
15
E
15
SSE
5
WSW
10
NW
15
WNW
15
WNW
15
NW
10
NNW
10
NW
10
NW
15
NW
10
WNW
Wind State
cross-on
cross-on
cross-on
glassy
cross
cross-on
cross
cross
cross-off
on
cross
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
6:24PM3.27m
7:14AM2.88m
7:32PM3.31m
8:20AM2.98m
8:37PM3.40m
Low Tide
12:03PM0.86m
00:59AM0.56m
1:13PM0.83m
2:05AM0.49m
2:20PM0.73m
part cloud
light rain
cloud
cloud
clear
cloud
light rain
cloud
clear
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:10
7:08
7:07
 mm
1
1
Temp °C
19
19
18
17
17
16
13
13
16
19
18
18
18
16
16
15
22
24
26
24
22
Feels °C
17
17
17
18
17
14
11
11
15
16
15
17
16
13
13
12
19
21
23
20
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.


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