Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 7 pm 22 Sep 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
16.4°C
0.1° 

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 (23 Sep):

  • Morning surf: Morning surf (23 Sep, local time) - 5ft (1.5m), 7s period with E swell.
  • Afternoon surf: Afternoon surf (23 Sep, local time) - 6ft (1.8m), 8s period with E swell.
  • Evening surf: Evening surf (23 Sep, local time) - 6ft (1.9m), 8s period with ESE swell.

The current surf forecast for Costellos at 3AM is: 1.0m 7s primary swell from a East direction and 0.1m 13s secondary swell from a East direction (forecast issued at 07:00pm September 22). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (23 Sep)5ft (1.5m)7s
Afternoon (23 Sep)6ft (1.8m)8s
Evening (23 Sep)6ft (1.9m)8s

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


Short Range Forecast

Some drizzle, heaviest during Fri afternoon. Very mild (max 15°C on Fri afternoon, min 9°C on Thu morning). Winds increasing (light winds from the ENE on Tue night, fresh winds from the NNE by Fri afternoon).

Tue
22
Wednesday
23
Thursday
24
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
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
E
7
1.1
E
7
1
ESE
7
1
E
7
1.2
E
7
1.5
E
7
1.6
E
7
1.7
E
7
1.9
ESE
8
1.9
ESE
8
1.8
ESE
8
1.8
ESE
8
1.9
ESE
9
2
ESE
9
2.1
ESE
10
2.2
ESE
10
2.2
ESE
10
2.5
ESE
11
2.4
ESE
11
Wave Graph
Metric surfscale
Energy kJ
134
113
99
97
138
205
225
311
416
449
434
445
554
641
772
904
1010
1605
1340
Wind (km/h)
15
ENE
10
ENE
10
NE
15
NNE
20
NNE
25
NE
30
NE
25
ENE
20
ENE
15
ENE
15
NE
15
NNE
20
NNE
20
NNE
25
NE
25
ENE
20
ENE
20
NE
20
NE
Wind State
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
8:52PM2.95m
9:27AM2.83m
9:39PM3.05m
10:07AM2.99m
10:22PM3.16m
Low Tide
2:40PM1.07m
3:15AM0.80m
3:28PM0.92m
3:57AM0.70m
4:12PM0.75m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:40
6:38
6:37
 mm
Temp °C
13
14
14
13
12
11
12
12
12
13
13
12
10
9
11
12
12
13
13
Feels °C
9
11
11
9
8
6
7
7
8
10
10
9
6
5
6
7
8
9
9
  • 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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