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Surf Forecasts

Costellos surfForecast / New Hampshire / USA

information circle48hr Weather and Surf, issued 1 am Friday 09 May 2025 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 3AM is: 1.1m 9s primary swell from a Southeast direction and 0.9m 4s secondary swell from a East-northeast direction (forecast issued at 01:00am May 09). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (09 May)3.5ft (1.1m)9s
Afternoon (09 May)3.5ft (1.1m)9s
Evening (09 May)6ft (1.8m)6s

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

Hourly12 Days
New Hampshire Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
1
1
1
1
0
0
1
0
1
1
1
1
1
1
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
SE
1.1
SE
1.1
SE
1.1
SE
1.1
SE
1
SE
1.1
SE
2
E
1.1
SE
1.2
SE
2
ESE
1.7
SE
1.5
SE
1.2
SE
1.1
SE
1.1
SE
1.1
SE
1
SE
0.9
SE
0.9
SE
0.9
SE
0.9
SE
0.8
SE
0.8
SE
0.8
SE
0.7
SE
0.7
SE
0.7
SE
0.7
SE
0.7
SE
0.6
SE
0.6
SE
1
S
0.8
S
0.6
SE
0.5
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.6
SSE
0.6
S
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.3
SE
0.6
S
0.6
SSE
0.6
S
0.3
SE
0.3
SE
0.3
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
Period(s) (?)899999969999999999999999999988886688888866888774447777766677
Wave
Graph
(?)Metric surfscale
Energy (?)184194203212217166192283217251680471351230199172168145123126132132918888747473716957436941403121212121242220141414812151477712121010101413
Wind
(km/h)
15
NE
25
NE
25
ENE
25
ENE
30
ENE
30
ENE
20
ENE
25
E
20
E
20
E
20
NNE
30
NNE
20
N
20
NW
20
WNW
25
WNW
20
WNW
15
WNW
15
WNW
15
WNW
25
NW
20
NW
15
NNW
5
N
5
NNW
10
WNW
10
WSW
10
WSW
15
SW
10
WSW
10
WSW
10
WSW
15
WSW
10
WSW
10
SW
10
W
10
SW
15
SW
15
SW
20
SW
15
SW
15
SW
15
SW
15
SW
15
SW
15
SSW
15
S
10
S
10
S
10
SSE
5
SSE
5
SSW
5
WSW
5
SSW
5
S
5
S
5
N
10
NE
25
NE
20
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		ononononcross-
on		cross-
on		crosscross-
off		cross-
off		cross-
off		offcross-
off		offoffcross-
off		cross-
off		cross-
off		crosscross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		offoffcross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
off		cross-
off		crosscrossglassglasscross-
off		glassglasscrosscross-
on		cross-
on		cross-
on
High Tide
/ height (m)
9:27PM
3.06
9:52AM
2.93
10:07PM
3.14
10:35AM
2.96
10:44PM
3.21
11:16AM
2.98
11:22PM
3.27
11:56AM
2.99
11:59PM
3.29
12:36PM
2.98
12:38AM
3.29
1:16PM
2.93
1:17AM
3.25
1:57PM
2.87
1:57AM
3.19
Low Tide
/ height (m)
3:44AM
0.73
3:55PM
0.81
4:26AM
0.64
4:34PM
0.80
5:06AM
0.55
5:12PM
0.80
5:45AM
0.49
5:50PM
0.81
6:24AM
0.46
6:28PM
0.84
7:04AM
0.48
7:07PM
0.88
7:45AM
0.52
7:47PM
0.94
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Sunrise---5:26-------5:26-------5:24-------5:22-------5:22-------5:20-------5:20-------5:18
Sunset------7:52-------7:52-------7:53-------7:54-------7:55-------7:58-------7:59-----
light rainlight raincloudcloudcloudcloudlight rainmod rainlight rainlight rainheavy rainmod rainlight rainheavy rainlight raincloudcloudclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearpart cloudclearclearclearclearclearpart cloudclearpart cloudpart cloudpart cloudcloudcloudlight rainpart cloudcloudcloudcloudcloudcloudcloudcloudrain showerslight rainlight rainlight raincloud
Rain (mm)
12----161133105123-------------------------------1--------3321-
Temp. °C119877778899891012111011111315171816141212111620222117151516222626221816161719201717171615161819201918171413
Feels °C (?)84311123355256856789911131311987121619191413131521232419161414161819161717161517192021211917108
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>

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.

View detailed surf forecast for Costellos at:
surf-forecast.com

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