Costellos surfForecast / New Hampshire / USA

information circle48hr Weather and Surf, issued 12 am Sunday 01 Feb 2026 EST
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
4.1° C
(Which is normal for this time of year)


How big are the waves at Costellos today?

The current surf forecast for Costellos at 7AM is: 1.3m 5s primary swell from a North-northeast direction and 0.1m 15s secondary swell from a East direction, 0.1m 10s secondary swell from a East direction (forecast issued at 12:00am February 01). The wind direction is predicted to be cross-shore.

Time (EST) & DateWave HeightWave Period
Morning (01 Feb)4.5ft (1.4m)5s
Afternoon (01 Feb)6ft (1.8m)6s
Evening (01 Feb)5.5ft (1.7m)7s

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

Updates in  hr  min  s Forecast update imminent
Sunday
01
Monday
02
Tuesday
03
10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM
Rating
(10 max)
0
0
0
0
0
0
0
1
1
1
2
3
3
3
3
2
2
1
1
1
1
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.1
E
0.6
NNE
1
NNE
1.3
NNE
1.4
NE
1.7
NE
1.8
NE
1.6
NE
1.7
ENE
1.7
ENE
1.5
ENE
1.4
ESE
1.3
ESE
1.5
E
1.3
E
1
E
0.8
E
0.7
E
0.7
E
0.6
E
0.6
E
0.5
E
0.5
E
0.4
E
Period(s) (?)16345666778910101010101011111111111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5737871232022732512973723163883704613672141381101148785585736
Wind
(km/h)
15
N
20
N
25
N
25
N
25
N
25
N
30
N
20
NNW
20
NW
20
NW
15
NW
15
NW
10
WNW
10
WNW
15
WNW
15
NW
10
NW
10
WNW
10
NW
5
NW
5
WNW
5
WSW
10
SW
10
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offglasscross-
off
cross-
off
High Tide
/ height (m)
10:01PM
3.26
10:15AM
3.73
10:53PM
3.37
11:07AM
3.76
11:41PM
3.44
11:56AM
3.71
Low Tide
/ height (m)
4:00AM
0.44
4:41PM
0.07
4:53AM
0.35
5:29PM
0.05
5:43AM
0.31
6:15PM
0.10
Sunday
01
Monday
02
Tuesday
03
Sunrise---6:58-------6:56-------6:56----
Sunset------4:54-------4:55-------4:57-
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
cloud
Rain (mm)
------------------------
Temp. °C-10-11-13-14-11-6-4-7-9-11-12-12-8-3-2-5-6-8-9-11-9-3-1-1
Feels °C (?)-16-18-21-22-19-14-12-14-16-18-19-18-13-8-7-11-11-13-14-16-13-7-5-5
  • 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

Latest Updates

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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