Costellos surfForecast / New Hampshire / USA

information circle48hr Weather and Surf, issued 12 pm Thursday 05 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
3.9° C
(Which is normal for this time of year)


How big are the waves at Costellos today?

The current surf forecast for Costellos at 5PM is: 0.1m 14s primary swell from a East direction and 0.1m 9s secondary swell from a Southeast direction (forecast issued at 12:00pm February 05). The wind direction is predicted to be cross-offshore.

Time (EST) & DateWave HeightWave Period
Morning (05 Feb)0.5ft (0.1m)14s
Afternoon (05 Feb)0.5ft (0.1m)14s
Evening (05 Feb)0.5ft (0.1m)14s

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

Updates in  hr  min  s Forecast update imminent
Thursday
05
Friday
06
Saturday
07
Sunday
08
10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM
Rating
(10 max)
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
Wave Height (m) & direction (?)
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.5
NE
0.5
NE
0.5
NE
0.2
SSE
0.2
SSE
0.3
ENE
0.1
E
0.1
E
0.3
E
0.3
E
0.6
E
0.9
E
1.4
NE
1.3
N
1.2
N
0.8
E
0.8
E
Period(s) (?)1414141413131344499413135544556910
Wave
Graph
(?)Metric surfscale
Energy kJ (?)444444467888334441331919585110120
Wind
(km/h)
15
NW
20
NW
15
NW
10
NW
5
N
10
NNE
10
NNE
15
NE
15
NE
10
NE
10
NE
5
NE
5
S
10
WSW
0
WNW
5
NW
5
NNW
15
N
20
NNE
30
NNW
25
NW
25
NW
25
NW
20
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
glasscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
glassoffglassglasscross-
off
crosscross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
1:30PM
3.42
1:56AM
3.35
2:17PM
3.22
2:40AM
3.24
3:04PM
3.00
3:25AM
3.11
Low Tide
/ height (m)
7:20AM
0.39
7:43PM
0.37
8:07AM
0.50
8:26PM
0.57
8:55AM
0.63
9:10PM
0.76
Thursday
05
Friday
06
Saturday
07
Sunday
08
Sunrise-------6:52-------6:50-------6:50
Sunset--5:00-------5:00-------5:02-----
clear
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light snow
light snow
light snow
part cloud
part cloud
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C-5-2-2-5-5-6-7-7-6-4-4-5-5-7-7-6-4-2-2-9-13-16-17-19
Feels °C (?)-11-8-8-10-9-11-12-13-12-9-9-9-9-12-10-10-8-8-9-18-22-24-26-27
  • 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest