Surf Break

Lat Long: 42.95° N 70.78° W

Costellos 48 hour detailed Surf Forecast

Issued: 7 pm 30 Sep 2026 (local time)

Forecast update in  hr  min

Today's Costellos sea temperature is
15.0°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 (01 Oct):

  • Morning surf: Morning surf (01 Oct, local time) - 1.5ft (0.4m), 12s period with SE swell.
  • Afternoon surf: Afternoon surf (01 Oct, local time) - 1.5ft (0.4m), 12s period with SE swell.
  • Evening surf: Evening surf (01 Oct, local time) - 1.5ft (0.4m), 12s period with SE swell.

The current surf forecast for Costellos at 12AM is: 0.7m 9s primary swell from a East direction and 0.4m 12s secondary swell from a Southeast direction, 0.3m 3s secondary swell from a South direction (forecast issued at 07:00pm September 30). The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (01 Oct)1.5ft (0.4m)12s
Afternoon (01 Oct)1.5ft (0.4m)12s
Evening (01 Oct)1.5ft (0.4m)12s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Fri afternoon, min 15°C on Sat morning). Wind will be generally light.

Wed
30
Thursday
1
Friday
2
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
1
1
1
1
1
1
1
1
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)
0.8
ESE
9
0.7
E
9
0.7
E
9
0.7
E
9
0.4
SE
12
0.6
E
8
0.4
SE
12
0.4
SE
12
0.4
SE
12
0.4
SE
12
0.4
SE
12
0.4
SE
12
0.4
SE
12
0.4
ESE
12
0.4
ESE
12
0.4
ESE
12
0.5
ESE
12
0.5
E
11
0.5
E
11
Wave Graph
Metric surfscale
Energy kJ
99
73
73
73
52
52
51
50
35
36
36
36
36
55
54
53
77
65
61
Wind (km/h)
5
S
10
SSW
10
SW
10
SW
10
SW
10
WSW
10
SW
15
SW
15
SW
15
SW
15
SW
20
SW
20
SW
15
SW
20
SW
20
WSW
20
W
20
W
15
WNW
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
High Tide
2:14PM3.57m
2:51AM3.17m
3:05PM3.50m
3:47AM3.07m
4:02PM3.40m
Low Tide
8:39PM0.25m
8:50AM0.60m
9:34PM0.33m
9:45AM0.71m
10:34PM0.43m
cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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—
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6:39
—
—
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—
—
—
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6:41
—
—
—
—
—
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:25
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—
—
—
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6:24
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—
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6:22
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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Temp °C
19
17
17
16
16
16
20
22
22
21
20
20
19
19
24
27
24
22
20
Feels °C
18
16
16
15
15
15
19
21
21
20
19
18
17
17
22
25
22
21
19
  • 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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