Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 1 pm 25 Sep 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
15.7°C
0.0° 

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 (25 Sep):

  • Morning surf: Morning surf (25 Sep, local time) - 8ft (2.5m), 11s period with ESE swell.
  • Afternoon surf: Afternoon surf (25 Sep, local time) - 10ft (3.0m), 11s period with ESE swell.
  • Evening surf: Evening surf (25 Sep, local time) - 10ft (3.0m), 11s period with ESE swell.

The current surf forecast for Costellos at 5PM is: 3.0m 11s primary swell from a East-southeast direction and 0.8m 12s secondary swell from a Southeast direction (forecast issued at 01:00pm September 25). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (25 Sep)8ft (2.5m)11s
Afternoon (25 Sep)10ft (3.0m)11s
Evening (25 Sep)10ft (3.0m)11s

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


Short Range Forecast

Heavy rain (total 56mm), heaviest during Sat afternoon. Very mild (max 17°C on Fri night, min 12°C on Sun night). Winds increasing (moderate winds from the NE on Fri night, strong winds from the NE by Sat night).

Fri
25
Saturday
26
Sunday
27
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
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)
2.5
ESE
11
3
ESE
11
3
ESE
11
3
ESE
11
3
ESE
11
3
ESE
11
3.5
ESE
11
3.5
E
10
3.5
E
10
4
E
10
4
E
10
4
E
10
4.5
E
10
4.5
E
10
4
ENE
9
4
E
9
4
E
9
3.5
ENE
9
3.5
ENE
9
3.5
ENE
9
3
E
9
Wave Graph
Metric surfscale
Energy kJ
1886
1914
2226
2052
2015
1975
2442
2726
2866
2888
3092
3233
3345
3303
3053
2762
2252
1957
1769
1556
1463
Wind (km/h)
30
NE
30
NE
30
ENE
25
NE
30
ENE
30
ENE
35
NE
40
NE
40
NE
40
NNE
45
NE
50
NE
45
NE
50
NE
50
NE
50
NE
45
NE
40
NE
45
NE
40
NE
40
NE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
10:46AM3.17m
11:04PM3.25m
11:24AM3.33m
11:46PM3.32m
12:03PM3.47m
Low Tide
4:54PM0.57m
5:14AM0.51m
5:36PM0.41m
5:52AM0.45m
6:18PM0.29m
clear
part cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
heavy rain
light rain
mod rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
—
6:33
—
—
—
—
—
—
—
6:35
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
6:35
—
—
—
—
—
—
—
6:34
—
—
—
—
—
—
—
6:31
—
—
 mm
—
—
—
—
—
—
1
1
2
11
5
6
4
3
3
5
1
1
1
1
1
Temp °C
15
16
16
17
16
14
13
13
13
13
13
13
13
13
13
13
13
13
13
12
13
Feels °C
9
10
10
12
11
9
7
6
5
5
4
4
4
4
4
4
5
6
5
4
6
  • 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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