Costellos surfForecast / New Hampshire / USA

information circle48hr Weather and Surf, issued 7 am Friday 08 May 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Costellos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Costellos sea temperature is
8.6° C
(Which is slightly warmer than usual)

How big are the waves at Costellos today?

The current surf forecast for Costellos at 1PM is: 0.7m 10s primary swell from a Southeast direction and 0.2m 8s secondary swell from a East direction (forecast issued at 07:00am May 08). The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (08 May)2ft (0.6m)8s
Afternoon (08 May)2.5ft (0.7m)10s
Evening (08 May)3ft (0.9m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 23mm), heaviest during Sat afternoon. Very mild (max 19°C on Sun afternoon, min 6°C on Fri night). Wind will be generally light.

Friday
8
Saturday
9
Sunday
10
Mon
11
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
1
1
1
1
1
1
1
0
0
0
1
1
1
1
1
0
1
1
1
1
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.6
SE
8
0.6
SE
8
0.6
SE
7
0.7
SE
10
0.8
ESE
10
0.9
ESE
10
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.6
E
9
0.6
E
9
1.3
SSE
6
1.3
SSE
6
1.1
SSE
6
1.1
SSE
6
1
SSE
6
0.9
SSE
6
0.9
SE
6
0.8
SE
6
0.8
ESE
8
Wave Graph
Metric surfscale
Energy kJ
42
38
34
100
120
142
136
133
130
86
86
84
84
57
56
111
127
88
94
82
67
52
40
66
Wind (km/h)
15
WNW
15
W
15
W
15
W
15
W
10
W
10
W
10
W
10
W
10
WSW
5
SSW
15
ESE
5
ESE
10
SSE
15
SSW
10
SSW
10
SSW
15
SSW
10
SW
10
SSE
15
WSW
10
SW
15
WSW
10
W
off
off
off
off
off
off
off
off
off
cross-off
glassy
on
on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
off
cross-off
off
off
High Tide
4:07AM2.91m
4:54PM2.64m
4:58AM2.83m
5:44PM2.66m
5:52AM2.80m
6:35PM2.74m
Low Tide
10:38AM0.85m
10:48PM1.19m
11:27AM0.91m
11:43PM1.18m
12:16PM0.91m
00:40AM1.10m
cloud
clear
part cloud
cloud
part cloud
part cloud
clear
cloud
cloud
cloud
light rain
light rain
mod rain
light rain
part cloud
cloud
cloud
part cloud
clear
cloud
light rain
cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:26
5:26
5:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:51
7:52
7:52
7:53
2
4
7
5
1
1
Temp °C
6
9
12
14
15
12
9
8
6
8
7
6
8
10
11
11
11
12
17
19
16
15
14
11
1
5
6
8
9
8
5
4
2
4
5
2
6
8
9
9
9
10
15
16
14
14
12
9
Swell 1
Height (m)
Direction
Period (s)
0.6
SE
8
0.6
SE
8
0.6
SE
7
0.7
SE
10
0.8
ESE
10
0.9
ESE
10
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.6
E
9
0.6
E
9
0.5
E
9
0.5
E
9
0.5
E
9
1.1
SSE
6
0.4
ESE
9
0.9
SSE
6
0.9
SE
6
0.8
SE
6
0.8
ESE
8
Energy kJ
42
38
34
100
120
142
136
133
130
86
86
84
84
57
56
39
39
40
94
26
67
52
40
66
Swell 2
Height (m)
Direction
Period (s)
0.2
E
10
0.2
E
8
0.4
SE
10
0.2
E
8
0.1
S
9
0.4
SSE
4
0.1
S
9
0.1
S
9
0.4
SSW
5
0.2
SSE
7
0.2
SSE
7
0.3
SSE
7
0.4
SE
7
0.1
E
13
0.1
SE
11
0.1
SE
10
0.1
SE
10
0.1
SE
11
0.5
E
9
0.1
SE
11
0.4
ESE
9
0.5
E
8
0.5
ESE
8
0.5
SSE
6
Energy kJ
7
5
24
5
2
5
2
2
8
5
5
9
11
4
5
4
4
5
40
5
26
34
33
22
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
12
0.2
E
11
0.2
E
8
0.1
S
9
0.2
SSE
6
0.3
SSE
7
0.1
SE
11
0.1
E
13
0.1
SE
11
0.1
E
13
0.1
E
17
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
13
0.1
SE
11
0.1
E
16
0.2
ESE
11
0.3
SE
11
0.3
SE
11
0.2
ESE
12
Energy kJ
5
9
5
2
4
9
5
4
5
4
6
3
3
3
3
4
5
12
19
19
13
Wind waves
Height (m)
Direction
Period (s)
0.4
SW
3
0.3
W
2
0.3
W
3
0.2
WSW
3
0.4
SSW
7
0.4
SE
7
0.4
SSE
4
0.7
SSE
5
1
SSE
5
1.3
SSE
6
1.3
SSE
6
1.1
SSE
6
1
SSE
6
0.3
SW
2
Energy kJ
2
1
1
1
16
12
5
20
53
111
127
88
82
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
0
0
0
0
0
0
0
0
0
0
0
83
14
198
0
0
0
0
0
198
0
0
0
0
Best forecast wave conditions in New Hampshire
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
2
2
1
1
1
1
2
2
2
3
3
2
2
3
3
3
3
2
2
2
2
2
3
Header Global
Rating
(10 max)
7
6
6
7
6
5
5
5
5
5
5
5
4
4
4
4
4
4
9
7
9
5
4
5
  • 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

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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