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Surf Forecasts:

Costellos surfForecast / New Hampshire / USA

information circle48hr Weather and Surf, issued 6 am Sunday 23 Nov 2025 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
9.4° C
 (Which is normal for this time of year)

How big are the waves at Costellos today?

The current surf forecast for Costellos at 11AM is: 0.3m 7s primary swell from a Southeast direction and 0.2m 7s secondary swell from a East direction (forecast issued at 06:00am November 23). The wind direction is predicted to be cross-offshore.

Time (EST) & DateWave HeightWave Period
Morning (23 Nov)1ft (0.3m)7s
Afternoon (23 Nov)1ft (0.3m)6s
Evening (23 Nov)0.5ft (0.2m)8s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Sunday
23
Monday
24
Tuesday
25
Wed
26
4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM
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
See all maps
Wave Height (m) & direction (?)
0.3
E
0.3
E
0.3
SE
0.3
SE
0.3
SE
0.2
SSE
0.2
SSE
0.2
E
0.3
SE
0.3
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.3
ESE
0.3
ESE
1
S
1.1
SSE
Period(s) (?)77766881171099999999999955
Wave
Graph
(?)Metric surfscale
Energy kJ (?)887657698192932273130303029252515154469
Wind
(km/h)
10
WNW
10
W
15
SW
15
SW
10
WSW
10
WSW
10
W
15
NW
15
NW
10
WNW
20
NW
25
NW
15
NW
15
WNW
10
W
10
WSW
15
SW
15
SW
15
SW
20
SW
15
SSW
15
SSW
20
S
20
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
off
High Tide
/ height (m)
12:41PM
3.21
1:22AM
2.83
1:22PM
3.13
2:04AM
2.77
2:05PM
3.04
Low Tide
/ height (m)
6:31AM
0.92
7:09PM
0.57
7:12AM
0.98
7:51PM
0.65
7:55AM
1.05
8:34PM
0.73
Sunday
23
Monday
24
Tuesday
25
Wed
26
Sunrise-6:43-------6:45-------6:47------
Sunset----4:13-------4:13-------4:12---
part cloud
clear
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
Rain (mm)
----------------------44
Temp. °C0036744221576433335898810
Feels °C (?)-5-5-21201-3-3-4-101-1-1-1-2-2024436
  • 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

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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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