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Surf Forecasts:

Costellos surfForecast / New Hampshire / USA

information circle48hr Weather and Surf, issued 7 am Friday 22 May 2026 EDT
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
10.9° C
 (Which is 1.0°C warmer than 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 9s primary swell from a Southeast direction and 0.1m 5s secondary swell from a Southeast direction, 0.4m 4s secondary swell from a Northeast direction (forecast issued at 07:00am May 22). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (22 May)1ft (0.3m)9s
Afternoon (22 May)1ft (0.3m)9s
Evening (22 May)1ft (0.3m)10s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Moderate rain (total 14mm), heaviest on Sun morning. Very mild (max 14°C on Fri night, min 8°C on Sun morning). Wind will be generally light.

Friday
22
Saturday
23
Sunday
24
Mon
25
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 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
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.2
ESE
9
0.8
SE
4
1.1
SE
5
1.5
SE
6
1.7
SE
7
2.1
SE
7
Wave Graph
Metric surfscale
Energy kJ
13
13
14
14
15
15
15
15
15
15
15
14
14
14
14
14
14
14
8
17
59
151
253
444
Wind (km/h)
15
N
15
NNE
10
E
15
SE
20
SSE
15
SSW
10
WSW
5
W
5
N
10
NE
15
E
10
ESE
10
SE
10
SE
10
SE
10
SE
10
SE
15
SSE
20
ESE
25
ESE
25
ESE
25
E
20
E
20
NE
Wind State
cross
cross-on
on
cross-on
cross
cross-off
cross-off
glassy
cross-off
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
on
on
cross-on
High Tide
4:10AM3.50m
4:56PM3.20m
5:13AM3.32m
5:57PM3.16m
6:16AM3.16m
6:56PM3.14m
Low Tide
10:37AM0.28m
11:00PM0.66m
11:37AM0.43m
00:05AM0.72m
12:36PM0.56m
1:09AM0.73m
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:13
—
—
—
—
—
—
—
5:13
—
—
—
—
—
—
—
5:11
—
—
—
—
—
—
5:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
8:06
—
—
—
—
—
—
—
8:07
—
—
—
—
—
—
—
8:07
—
8:08
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
3
3
3
3
1
1
Temp °C
11
11
13
12
12
13
14
13
12
12
13
13
13
13
12
11
11
9
8
8
8
8
8
9
Feels °C
6
6
9
7
7
8
10
10
9
8
9
10
10
10
9
7
8
6
3
3
3
3
3
5
Swell 1
Height (m)
Direction
Period (s)
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.4
NE
4
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
S
3
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.2
ESE
9
0.1
SE
12
0.1
E
18
0.1
E
18
0.1
E
12
1.8
SE
7
Energy kJ
13
13
14
4
15
15
15
2
15
15
15
14
14
14
14
14
14
14
8
6
6
6
3
318
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
6
0.1
SE
5
0.1
SE
5
0.3
SE
9
0.2
ENE
4
—
0.1
SE
13
0.3
SE
10
0.2
SSE
3
—
—
0.1
E
14
—
—
0.1
E
13
0.1
E
12
0.1
E
12
0.1
E
18
0.1
S
7
0.1
E
18
0.1
E
13
0.1
E
12
0.1
E
18
0.1
E
18
Energy kJ
1
1
1
14
1
—
7
15
1
—
—
4
—
—
3
3
3
6
1
6
3
3
6
6
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
13
0.1
E
13
0.1
E
13
0.1
E
14
0.1
SE
13
0.1
E
14
—
0.1
SE
13
0.1
E
14
0.1
E
14
0.1
E
14
—
0.1
E
14
—
—
—
—
0.1
E
12
0.1
E
18
0.1
S
13
—
0.1
S
13
—
—
Energy kJ
7
4
4
4
7
4
—
7
4
4
4
—
4
—
—
—
—
3
6
3
—
3
—
—
Wind waves
Height (m)
Direction
Period (s)
0.5
NE
4
0.5
NE
3
0.4
NE
4
0.3
SE
2
0.3
SSE
2
0.4
S
3
0.4
S
3
—
—
—
—
—
—
0.3
SE
3
0.4
SE
3
0.4
SE
3
0.5
SE
4
0.5
SE
4
0.4
SE
4
0.8
SE
4
1.1
SE
5
1.5
SE
6
1.7
SE
7
2.1
SE
7
Energy kJ
6
6
5
1
1
2
3
—
—
—
—
—
—
1
3
4
6
6
4
17
59
151
253
444
Nearest Offshore or Glassy
Robert Moses State Park
Long Island NY
Martinique
Nova Scotia
Avon Pier
Carolina North
Frisco Pier/Cape Hatteras
Carolina North
Frisco Pier/Cape Hatteras
Carolina North
Egg Island
Eleuthera
Frisco Pier/Cape Hatteras
Carolina North
Pelican Poles
Carolina South
Rodanthe Pier
Carolina North
Corolla Lighthouse
Carolina North
Corolla Lighthouse
Carolina North
North Shore Breakers
Bermuda
Fishermans Island
Virginia
Fishermans Island
Virginia
Corolla Lighthouse
Carolina North
North End
Virginia
Sumner Avenue (Strathmere)
New Jersey
Cape May Avenue
New Jersey
Middlesex
New Jersey
Robert Moses State Park
Long Island NY
Jetty
Long Island NY
Georgica Pond
Long Island NY
Baker s Beach
Rhode Island
Good Harbor Beach
Massachusetts
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
4
4
3
3
3
3
2
1
Distance (km)
331
641
938
957
957
2017
957
1293
913
848
848
1290
787
787
848
804
530
458
457
331
287
254
162
39
Best forecast wave conditions in New Hampshire
Rating
(10 max)
Best forecast wave conditions in United States
Trestles (Uppers)
CAL - Orange County
Tijuana Sloughs
Baja Norte
Tijuana Sloughs
Baja Norte
The Dump
Washington
Neah Bay
Washington
Coronado Beaches
CAL - San Diego County
Neah Bay
Washington
Trestles (Uppers)
CAL - Orange County
Trestles (Uppers)
CAL - Orange County
Trestles (Uppers)
CAL - Orange County
Trestles (Uppers)
CAL - Orange County
Neah Bay
Washington
North End
Virginia
Fishermans Island
Virginia
Coronado Beaches
CAL - San Diego County
North End
Virginia
47th Street
New Jersey
LBI Long Beach Island
New Jersey
Lincoln City Nelscott Reef
Oregon North
Fort Canby A Jetty
Washington
Democrat Point Robert Moses
Long Island NY
Outside Ponquogue
Long Island NY
Elbow Ledge
Rhode Island
Lincoln City Nelscott Reef
Oregon North
Rating
(10 max)
2
2
2
2
1
2
1
2
2
2
2
1
2
2
2
2
4
4
3
3
3
3
2
3
Header Global
Trial Harbour
Australia
Trial Harbour
Australia
Burleigh Heads
Australia
Currumbin Point
Australia
Currumbin Point
Australia
Saint Leu
Reunion
Barra de Guaratiba
Brazil
Papatowai
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Cannibal Bay
New Zealand
Papatowai
New Zealand
Currumbin Point
Australia
Chameau
Mauritius
Chameau
Mauritius
Chameau
Mauritius
Chameau
Mauritius
Chameau
Mauritius
Chameau
Mauritius
Ilot Sancho
Mauritius
Angourie Point
Australia
Angourie Point
Australia
Rating
(10 max)
7
7
6
6
6
5
4
6
7
8
7
6
5
5
5
5
5
5
5
5
5
5
4
4
  • 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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View detailed surf forecast for Costellos at:
surf-forecast.com

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