Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 1 am 21 Oct 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
13.0°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 (21 Oct):

  • Morning surf: Morning surf (21 Oct, local time) - 7ft (2.1m), 9s period with E swell.
  • Afternoon surf: Afternoon surf (21 Oct, local time) - 6.5ft (2.0m), 8s period with E swell.
  • Evening surf: Evening surf (21 Oct, local time) - 7ft (2.2m), 9s period with E swell.

The current surf forecast for Costellos at 9AM is: 2.1m 9s primary swell from a East direction (forecast issued at 01:00am October 21). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (21 Oct)7ft (2.1m)9s
Afternoon (21 Oct)6.5ft (2.0m)8s
Evening (21 Oct)7ft (2.2m)9s

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


Short Range Forecast

Mostly dry. Very mild (max 15°C on Thu afternoon, min 5°C on Fri morning). Wind will be generally light.

Wednesday
21
Thursday
22
Friday
23
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
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
1
0
1
2
0
0
1
2
2
1
0
1
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
ESE
9
1.8
E
9
2.1
E
9
2
E
8
2
E
8
2.1
E
9
2.2
E
9
2.2
E
9
2.2
E
9
2.2
E
9
2
ESE
9
2.2
E
9
2
E
9
2.2
ENE
9
1.6
E
9
1.5
E
8
2.2
ENE
8
2.1
ENE
8
1.7
ENE
8
1.8
NE
8
1.4
NE
7
1.3
NE
8
0.9
NE
7
0.8
ENE
7
Wave Graph
Metric surfscale
Energy kJ
495
517
671
568
589
660
766
800
836
828
627
786
637
692
386
311
620
572
381
413
211
179
77
66
Wind (km/h)
25
NNE
25
NNE
25
NNE
25
NE
25
NE
25
NE
20
NE
20
NNE
20
N
20
NNE
20
N
25
N
20
N
15
NNE
25
N
25
N
20
N
15
N
10
NNW
15
N
15
NNE
10
NE
10
ENE
10
NE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-on
High Tide
7:58AM2.74m
8:12PM2.85m
8:43AM2.90m
9:01PM2.95m
9:25AM3.09m
9:47PM3.07m
Low Tide
1:41AM0.94m
2:03PM1.06m
2:28AM0.86m
2:52PM0.88m
3:11AM0.76m
3:38PM0.68m
clear
clear
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
7:03
—
—
—
—
—
—
—
7:03
—
—
—
—
—
—
—
7:05
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
5:51
—
—
—
—
—
—
—
5:50
—
—
—
—
—
—
—
5:47
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
9
7
6
7
8
8
9
9
8
8
8
11
15
15
12
10
8
7
5
9
12
12
10
9
Feels °C
3
1
0
1
2
3
4
4
3
3
3
4
9
11
6
4
2
2
1
4
6
8
6
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.


Nearest locationNearest