Costellos surfForecast / New Hampshire / USA

information circle48hr Weather and Surf, issued 6 pm Friday 06 Mar 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
2.7° C
(Which is normal for this time of year)

How big are the waves at Costellos today?

The current surf forecast for Costellos at 9PM is: 2.1m 8s primary swell from a East-southeast direction (forecast issued at 06:00pm March 06). The wind direction is predicted to be cross-onshore.

Time (EST) & DateWave HeightWave Period
Morning (06 Mar)--
Afternoon (06 Mar)7ft (2.2m)8s
Evening (06 Mar)7ft (2.1m)8s

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


Updates in  hr  min  s Forecast update imminent
Friday
06
Saturday
07
Sunday
08
Monday
09
4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM
Rating
(10 max)
0
1
2
2
2
2
1
1
1
1
0
1
1
2
1
1
1
1
1
0
1
1
1
0
Swell
Height Map
Wave Height (m) & direction (?)
2.2
E
2.2
ESE
2.1
ESE
2
ESE
1.9
ESE
1.8
ESE
1.6
ESE
1.7
ESE
1.7
ESE
1.4
ESE
1.3
ESE
1.2
ESE
1.2
ESE
1
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.8
ESE
0.8
ESE
0.7
ESE
0.7
ESE
0.6
ESE
0.6
ESE
0.6
ESE
Period(s) (?)888999999999999999999999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6506606185765224933884754303082542222221811491491191131138686646464
Wind
(km/h)
20
NE
10
NE
10
ENE
10
ESE
5
S
10
SSW
15
SSW
20
SSW
25
SSW
25
SSW
25
SW
25
SW
20
SW
15
SW
20
WSW
15
WSW
15
WSW
15
WSW
15
SW
15
WSW
15
WSW
10
WSW
10
WSW
15
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
oncrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
offcross-
off
cross-
off
offoffcross-
off
cross-
off
High Tide
/ height (m)
1:02PM
3.30
1:19AM
3.37
1:45PM
3.13
1:59AM
3.25
2:30PM
2.95
2:42AM
3.12
Low Tide
/ height (m)
7:08PM
0.52
7:35AM
0.45
7:48PM
0.68
8:19AM
0.58
8:29PM
0.85
9:06AM
0.72
Friday
06
Saturday
07
Sunday
08
Monday
09
Sunrise-----6:09-------6:07-------6:05--
Sunset5:37-------5:38-------5:39-------
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
-----------1------------
Temp. °C-2-1-10111234788811109766671014
Feels °C (?)-8-6-5-4-2-3-4-4-3-2134586632123610
  • 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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