Costellos Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 7 pm 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
18.5° 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 (19 Jul):

  • Morning surf: Morning surf (19 Jul, local time) - 2.5ft (0.8m), 6s period with SSE swell.
  • Afternoon surf: Afternoon surf (19 Jul, local time) - 1.5ft (0.4m), 7s period with SSE swell.
  • Evening surf: Evening surf (19 Jul, local time) - 1.5ft (0.4m), 7s period with SE swell.

The current surf forecast for Costellos at 3AM is: 1.1m 6s primary swell from a South-southeast direction and 0.2m 13s secondary swell from a East-southeast direction (forecast issued at 07:00pm July 18). An open ocean swell of 0.1m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (19 Jul)2.5ft (0.8m)6s
Afternoon (19 Jul)1.5ft (0.4m)7s
Evening (19 Jul)1.5ft (0.4m)7s

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


Short Range Forecast

Moderate rain (total 15mm), heaviest on Sat night. Warm (max 26°C on Sun afternoon, min 17°C on Sun night). Winds decreasing (fresh winds from the SSW on Sat night, light winds from the S by Mon afternoon).

Sat
18
Sunday
19
Monday
20
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
1
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
Wave
Height (m)
Direction
Period (s)
1.4
S
5
1.5
S
6
1.3
SSE
6
1.1
SSE
6
1
SSE
6
0.9
SSE
6
0.7
SSE
6
0.4
SSE
6
0.4
SSE
7
0.4
SE
7
0.3
SSE
6
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.7
SSE
3
0.7
SSE
4
1
S
5
Wave Graph
Metric surfscale
Energy kJ
102
151
130
92
82
60
36
17
19
14
8
15
16
15
16
18
9
17
43
Wind (km/h)
30
SSW
30
SSW
20
SW
20
WSW
20
WNW
25
WNW
25
NW
20
NW
20
NW
15
NW
10
WNW
15
WNW
15
W
15
WNW
10
WNW
5
S
25
SSE
25
S
20
SSW
Wind State
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
off
cross
cross
cross
cross-off
High Tide
3:07PM3.46m
3:26AM3.43m
3:57PM3.37m
4:20AM3.20m
4:48PM3.25m
Low Tide
9:15PM0.40m
9:41AM0.34m
10:10PM0.51m
10:31AM0.55m
mod rain
mod rain
light rain
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:20
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:17
8:16
8:15
 mm
7
6
5
4
Temp °C
20
20
20
22
20
19
21
24
26
22
19
18
17
19
24
26
25
23
21
Feels °C
17
18
19
23
19
15
16
19
22
19
16
14
14
16
21
24
20
19
17
  • 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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