Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 7 am 09 Jul 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
18.8° C
1.1° 

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 (09 Jul):

  • Morning surf: Morning surf (09 Jul, local time) - 3ft (0.9m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (09 Jul, local time) - 3ft (0.9m), 8s period with ESE swell.
  • Evening surf: Evening surf (09 Jul, local time) - 2.5ft (0.8m), 8s period with ESE swell.

The current surf forecast for Costellos at 11AM is: 0.9m 8s primary swell from a East-southeast direction (forecast issued at 07:00am July 09). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (09 Jul)3ft (0.9m)8s
Afternoon (09 Jul)3ft (0.9m)8s
Evening (09 Jul)2.5ft (0.8m)8s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Thu night. Warm (max 32°C on Thu afternoon, min 17°C on Sat night). Wind will be generally light.

Thursday
9
Friday
10
Saturday
11
Sun
12
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
2 AM
Rating
(10 max)
1
1
1
1
0
1
1
1
1
0
1
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
ESE
8
0.9
ESE
8
0.9
ESE
8
0.9
ESE
8
0.9
ESE
8
0.8
ESE
8
0.8
ESE
8
0.7
ESE
8
0.7
ESE
8
0.7
E
8
0.6
E
8
0.6
E
8
0.6
E
8
0.5
E
8
0.5
E
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.4
E
8
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
Wave Graph
Metric surfscale
Energy kJ
128
99
105
107
107
85
85
70
73
69
51
49
48
32
30
19
19
19
18
15
15
15
16
16
Wind (km/h)
10
WSW
15
W
10
WSW
10
SSW
20
SSW
15
SW
15
WSW
5
N
10
NNW
5
N
5
E
10
ESE
10
ESE
10
SE
5
SW
5
NNW
10
N
10
NNE
15
ENE
20
ENE
10
E
5
ESE
10
N
10
N
Wind State
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
cross
glassy
cross-on
cross-on
cross-on
cross-off
cross-off
cross
cross
cross-on
on
on
cross-on
cross
cross
High Tide
6:37AM2.85m
7:00PM3.26m
7:40AM2.89m
8:00PM3.40m
8:43AM2.99m
9:00PM3.55m
Low Tide
12:39PM0.80m
1:30AM0.59m
1:39PM0.76m
2:32AM0.44m
2:40PM0.67m
clear
clear
clear
clear
cloud
cloud
thunderstorm
rain showers
cloud
part cloud
part cloud
thunderstorm
part cloud
rain showers
rain showers
rain showers
part cloud
cloud
part cloud
clear
cloud
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:11
5:13
5:13
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:22
8:22
8:22
 mm
1
3
1
2
1
1
Temp °C
22
24
29
32
31
29
24
20
19
20
23
23
22
20
20
20
19
19
20
19
19
20
20
18
Feels °C
21
24
28
31
30
29
26
22
20
22
25
24
23
22
22
22
19
19
19
16
18
20
19
16
  • 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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