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Surf Forecasts:

Costellos surfForecast / New Hampshire / USA

information circle48hr Weather and Surf, issued 6 pm Monday 09 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
3.7° C
 (Which is normal for this time of year)

How big are the waves at Costellos today?

The current surf forecast for Costellos at 2AM is: 0.5m 10s primary swell from a East direction (forecast issued at 06:00pm February 09). An open ocean swell of 0.4m 5s is not directed at the surf break, a second open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EST) & DateWave HeightWave Period
Morning (10 Feb)1.5ft (0.4m)10s
Afternoon (10 Feb)1ft (0.3m)10s
Evening (10 Feb)2.5ft (0.7m)4s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Monday
09
Tuesday
10
Wednesday
11
Thursday
12
4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM
Rating
(10 max)
0
0
1
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 (?)
0.7
E
0.7
E
0.6
E
0.5
E
0.4
E
0.4
E
0.4
E
0.3
E
0.3
E
0.3
E
0.3
E
1
S
0.9
S
0.7
SSE
0.5
SSE
0.4
SSE
0.4
SE
0.3
SE
0.2
ESE
0.2
ESE
0.6
N
0.2
E
0.6
NE
0.7
NE
Period(s) (?)101010101010111010995555556664666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)106100724930293619171514414028151175341432034
Wind
(km/h)
25
NW
20
NW
10
NW
10
NW
10
WNW
5
WNW
5
W
5
SW
10
S
15
S
25
S
20
SSW
10
SW
10
W
20
WNW
20
WNW
25
NW
20
WNW
25
WNW
20
NW
15
NW
15
NW
15
NW
15
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		crosscrosscross-
off		cross-
off		cross-
off		offoffcross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
4:49PM
2.65
5:05AM
2.91
5:47PM
2.55
6:01AM
2.87
6:48PM
2.52
6:58AM
2.88
Low Tide
/ height (m)
10:46PM
1.09
11:36AM
0.95
11:41PM
1.18
12:36PM
0.97
12:39AM
1.20
Monday
09
Tuesday
10
Wednesday
11
Thursday
12
Sunrise-----6:47-------6:46-------6:45--
Sunset5:05-------5:07-------5:07-------
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
light snow
light snow
light snow
cloud
clear
clear
part cloud
clear
cloud
part cloud
part cloud
cloud
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C-4-7-8-9-10-11-9-3-2-2-3-10-2122-1-2-4-4-4-20
Feels °C (?)-12-14-13-14-15-16-14-7-7-8-11-7-4-7-5-4-5-7-10-10-10-10-8-6
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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