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Surf Forecasts:

Costellos surfForecast / New Hampshire / USA

information circle48hr Weather and Surf, issued 1 pm Tuesday 19 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
9.5° C
 (Which is normal for this time of year)

How big are the waves at Costellos today?

The current surf forecast for Costellos at 7PM is: 1.3m 6s primary swell from a South-southeast direction and 1.2m 6s secondary swell from a South-southeast direction, 0.1m 16s secondary swell from a East direction (forecast issued at 01:00pm May 19). The wind direction is predicted to be offshore and the swell rating is 2.

Time (EDT) & DateWave HeightWave Period
Morning (19 May)1.5ft (0.4m)9s
Afternoon (19 May)2.5ft (0.8m)5s
Evening (19 May)4.5ft (1.3m)7s

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

Mostly dry. Warm (max 34°C on Tue afternoon, min 11°C on Thu morning). Wind will be generally light.

Tue
19
Wednesday
20
Thursday
21
Fri
22
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
5 AM
8 AM
Rating
(10 max)
1
0
2
1
1
1
1
1
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)
0.4
SE
9
0.8
SSE
5
1.3
SSE
6
1.3
SSE
7
1.3
SSE
7
0.9
SSE
7
0.5
SE
8
0.5
SE
8
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.9
NNE
5
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
Wave Graph
Metric surfscale
Energy kJ
28
35
117
154
162
91
31
34
27
29
29
30
29
29
29
29
35
13
13
13
13
13
13
13
Wind (km/h)
15
SW
20
SW
20
W
15
WSW
15
WSW
10
SW
15
SW
15
WSW
25
W
25
W
20
W
15
WNW
15
NW
20
NW
15
NNW
10
N
10
ESE
15
SE
15
SSE
10
SSW
10
NNE
10
N
10
NNW
5
NW
Wind State
cross-off
cross-off
off
off
off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross
on
cross-on
cross-on
cross-off
cross
cross
cross-off
cross-off
High Tide
1:59PM3.41m
2:12AM3.82m
2:56PM3.35m
3:10AM3.67m
3:55PM3.27m
4:10AM3.50m
Low Tide
7:57PM0.38m
8:41AM-0.01m
8:56PM0.47m
9:38AM0.12m
9:57PM0.57m
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
—
5:15
—
—
—
—
—
—
—
5:13
—
—
—
—
—
—
—
5:13
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
8:02
—
—
—
—
—
—
—
8:04
—
—
—
—
—
—
—
8:05
—
—
—
8:06
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
31
34
34
24
24
22
22
24
28
29
28
24
20
15
13
11
12
13
12
14
13
12
11
11
Feels °C
31
32
32
25
25
22
22
24
26
26
25
21
17
10
9
7
9
9
8
10
9
8
7
8
Swell 1
Height (m)
Direction
Period (s)
0.4
SE
9
0.5
SE
8
0.9
SSE
6
1.3
SSE
7
1.3
SSE
7
0.9
SSE
7
0.6
S
6
0.6
S
5
0.5
S
5
0.4
SSE
5
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.7
NE
5
0.5
NE
4
0.3
SE
9
0.3
SSE
3
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
Energy kJ
28
35
55
154
162
91
24
15
11
8
29
30
29
29
29
29
21
9
13
2
13
13
13
13
Swell 2
Height (m)
Direction
Period (s)
0.1
E
13
0.1
E
13
0.4
SE
8
0.1
E
16
0.1
E
16
0.1
E
16
0.5
SE
8
0.5
SE
8
0.4
SE
9
0.4
SE
9
0.3
SSE
5
0.3
SSE
6
0.3
SSE
6
0.3
SSE
6
0.2
SSE
6
0.1
E
15
0.3
SE
9
0.3
SE
9
0.3
NE
4
0.3
SE
9
0.2
SSE
6
0.1
SE
5
0.3
NE
3
0.2
NNE
4
Energy kJ
3
3
25
5
5
5
31
34
27
29
6
6
7
7
3
4
13
13
2
13
3
1
2
1
Swell 3
Height (m)
Direction
Period (s)
—
0.1
E
16
0.1
E
13
0.1
E
13
—
0.1
E
16
0.1
E
16
0.1
E
16
0.1
E
16
0.1
E
12
0.1
E
12
0.1
E
14
0.1
E
14
—
0.1
E
15
0.1
S
15
0.2
SSE
6
0.1
SE
14
0.1
SE
14
—
0.2
SSW
2
—
0.1
SE
5
0.1
SE
5
Energy kJ
—
5
3
3
—
5
5
5
5
3
3
4
4
—
4
4
3
8
8
—
1
—
1
1
Wind waves
Height (m)
Direction
Period (s)
0.6
SSE
5
0.8
SSE
5
1.3
SSE
6
—
—
0.2
W
3
0.4
SW
3
0.4
WSW
3
0.3
WSW
3
0.4
W
3
0.5
W
3
0.4
W
3
0.4
NW
3
0.2
WNW
2
0.3
NNW
2
0.5
NE
4
0.9
NNE
5
0.1
SE
6
0.4
SSE
3
0.2
SSW
2
—
0.2
NNE
2
—
—
Energy kJ
19
35
117
—
—
1
2
4
2
2
4
2
2
1
1
8
35
1
3
1
—
1
—
—
Nearest Offshore or Glassy
Costellos
New Hampshire
Panic Point (Weekapaug)
Rhode Island
Costellos
New Hampshire
Costellos
New Hampshire
Costellos
New Hampshire
Costellos
New Hampshire
Costellos
New Hampshire
Costellos
New Hampshire
Sands
New Jersey
Sands
New Jersey
Rockaway
Long Island NY
Ogunquit Beach
Maine
White Crest Beach (Wellfleet)
Massachusetts
Eastons Beach (1st Beach)
Rhode Island
Matunuck-The point
Rhode Island
K38 and 39
Rhode Island
K38 and 39
Rhode Island
Georgica (East Hampton)
Long Island NY
Turtle Cove
Long Island NY
Scotts Bay
Nova Scotia
Turtle Cove
Long Island NY
Turtle Cove
Long Island NY
Turtle Cove
Long Island NY
Boilers (Ranger Station)
Carolina North
Rating
(10 max)
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
0
198
0
0
0
0
0
0
391
391
367
38
131
168
186
186
186
251
227
503
227
227
227
896
Best forecast wave conditions in New Hampshire
The Wall
The Wall
Hampton Beach
Hampton Beach
The Wall
Costellos
Costellos
Rating
(10 max)
1
2
1
1
1
1
1
Best forecast wave conditions in United States
Lincoln City Nelscott Reef
Oregon North
The Strait
Washington
The Wall
New Hampshire
Naval Jetties
Delaware
The Strait
Washington
Blacks Beach
CAL - San Diego County
Tijuana Sloughs
Baja Norte
La Push
Washington
Fort Canby A Jetty
Washington
The Dump
Washington
The Strait
Washington
Elbow Ledge
Rhode Island
Chincoteague
Virginia
Assateague
Maryland
Lincoln City Nelscott Reef
Oregon North
Lincoln City Nelscott Reef
Oregon North
North End
Virginia
Exiles
CAL - LA County
Elwha
Washington
Point Loma
CAL - San Diego County
Del Mar Jetties
CAL - San Diego County
Trestles (Uppers)
CAL - Orange County
Trestles (Uppers)
CAL - Orange County
Trestles (Uppers)
CAL - Orange County
Rating
(10 max)
4
2
2
1
2
2
2
3
4
2
1
1
2
2
3
3
1
1
1
1
2
2
2
2
Header Global
Bali Village
Indonesia
Bali Village
Indonesia
Afife
Portugal
Cavalos de Fao
Portugal
Cavalos de Fao
Portugal
Crazy Left
Portugal
Achadas Da Cruz
Portugal
Anglet - Corsaires
France
Anglet - La Barre
France
Trial Harbour
Australia
Trial Harbour
Australia
Afife
Portugal
Anglet - Corsaires
France
Lambe Lambe
Brazil
Lambe Lambe
Brazil
Balimbing
Indonesia
Bali Village
Indonesia
Otago Peninsula - Allans Beach
New Zealand
Otago Peninsula - Allans Beach
New Zealand
Itaúna
Brazil
Itaúna
Brazil
Itaúna
Brazil
Trial Harbour
Australia
Trial Harbour
Australia
Rating
(10 max)
4
4
4
5
5
5
4
4
4
5
5
4
4
5
5
4
4
4
4
5
5
5
7
8
  • 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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