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Surf Forecasts:

Costellos surfForecast / New Hampshire / USA

information circle48hr Weather and Surf, issued 7 pm Tuesday 26 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
11.3° C
 (Which is slightly warmer than usual)

How big are the waves at Costellos today?

The current surf forecast for Costellos at 12AM is: 0.6m 8s primary swell from a Southeast direction and 0.8m 5s secondary swell from a South-southeast direction (forecast issued at 07:00pm May 26). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (27 May)--
Afternoon (27 May)3.5ft (1.1m)8s
Evening (27 May)2.5ft (0.7m)8s

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

Light rain (total 8mm), mostly falling on Fri afternoon. Warm (max 27°C on Wed afternoon, min 11°C on Thu night). Wind will be generally light.

Tue
26
Wednesday
27
Thursday
28
Fri
29
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
11 AM
2 PM
Rating
(10 max)
0
0
0
0
1
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)
1.1
SE
8
0.7
SE
8
0.6
SE
8
0.9
SE
7
0.8
SSE
7
0.6
SE
7
0.6
SE
7
0.6
SSE
7
0.5
SE
7
0.5
SE
7
0.6
SSE
6
0.6
SSE
6
0.4
SSE
6
0.4
SE
6
0.4
SE
6
0.3
SE
6
0.2
SSE
6
0.2
SSE
7
0.2
E
9
0.2
E
9
0.2
E
9
0.2
SSE
8
0.2
SSE
8
0.2
E
8
Wave Graph
Metric surfscale
Energy kJ
159
58
46
79
68
33
31
32
23
22
28
26
16
10
10
6
4
4
6
6
6
6
6
5
Wind (km/h)
20
S
15
SW
20
WSW
15
WSW
15
SW
15
WSW
15
W
15
WNW
20
NNW
15
NNW
10
N
5
NW
10
NW
10
N
10
ENE
10
E
5
ESE
5
E
10
WNW
5
N
5
W
10
NNW
10
E
25
SE
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross
cross-on
on
glassy
glassy
cross-off
cross
glassy
cross-off
on
cross-on
High Tide
8:41PM3.17m
9:11AM2.94m
9:26PM3.20m
9:59AM2.93m
10:08PM3.24m
10:43AM2.93m
Low Tide
2:24PM0.75m
3:01AM0.66m
3:12PM0.80m
3:49AM0.60m
3:56PM0.83m
4:33AM0.55m
part cloud
clear
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
light rain
light rain
rain showers
rain showers
light rain
cloud
cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
5:09
—
—
—
—
—
—
—
5:09
—
—
—
—
—
—
—
5:07
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
8:08
—
—
—
—
—
—
—
8:09
—
—
—
—
—
—
—
8:10
—
—
—
—
—
8:12
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
1
1
1
1
—
—
—
—
—
Temp °C
25
24
21
19
18
20
24
27
26
22
18
15
13
15
15
15
15
14
13
11
11
13
14
12
Feels °C
22
22
19
16
16
18
22
24
23
19
16
13
11
13
13
14
14
13
11
9
10
11
11
7
Swell 1
Height (m)
Direction
Period (s)
0.1
E
15
0.7
SE
8
0.8
SSE
5
0.9
SE
7
0.8
SSE
7
0.6
SE
7
0.6
SE
7
0.6
SSE
7
0.5
SE
7
0.5
SE
7
0.6
SSE
6
0.6
SSE
6
0.4
SSE
6
0.4
SE
6
0.4
SE
6
0.3
SE
6
0.2
SSE
6
0.2
SSE
7
0.2
SSE
8
0.2
SSE
8
0.2
SSE
8
0.2
SSE
8
0.2
SSE
8
0.2
ENE
5
Energy kJ
4
58
26
79
68
33
31
32
23
22
28
26
16
10
10
6
4
4
6
6
6
6
6
3
Swell 2
Height (m)
Direction
Period (s)
0.1
E
15
0.1
E
15
0.6
SE
8
0.1
E
15
0.1
E
15
0.1
E
15
0.4
S
4
0.1
E
14
0.1
E
14
0.1
E
14
0.1
E
13
0.3
NNE
3
0.3
NE
4
0.1
E
13
0.3
NE
3
0.3
NE
4
0.2
ENE
4
0.2
ENE
4
0.2
ENE
4
0.2
ENE
4
0.2
ENE
4
0.2
ENE
4
0.2
ENE
4
0.2
E
8
Energy kJ
4
4
46
4
4
4
5
4
4
4
4
2
2
4
2
2
1
1
2
2
2
1
1
5
Swell 3
Height (m)
Direction
Period (s)
—
—
0.1
E
15
—
—
—
0.1
E
15
—
0.1
E
14
—
0.1
E
14
0.1
E
13
0.1
E
13
—
—
0.1
E
11
0.1
SE
8
0.1
SE
8
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
8
0.2
E
8
0.1
E
12
Energy kJ
—
—
4
—
—
—
4
—
4
—
4
4
4
—
—
2
3
3
6
6
6
6
5
3
Wind waves
Height (m)
Direction
Period (s)
1.1
SE
8
0.9
SSE
4
0.4
SW
3
0.4
WSW
3
0.3
WSW
3
0.5
SSW
4
0.2
WSW
3
0.3
WSW
3
—
0.3
NNW
2
0.3
N
3
—
0.4
NNE
3
0.2
NNE
3
0.4
NE
3
—
—
—
—
—
—
—
—
0.5
SE
3
Energy kJ
159
34
2
4
2
12
1
2
—
1
1
—
4
1
3
—
—
—
—
—
—
—
—
4
Nearest Offshore or Glassy
Scotts Bay
Nova Scotia
Island Beach State Park
New Jersey
Rye On the Rocks
New Hampshire
Salisbury Beach
Massachusetts
Costellos
New Hampshire
Ogunquit Beach
Maine
Ogunquit Beach
Maine
7 Presidents Street Park
New Jersey
7 Presidents Street Park
New Jersey
Misquamicut State Beach
Rhode Island
Goosewing Beach
Rhode Island
Misquamicut State Beach
Rhode Island
Lighthouse-Southside
Rhode Island
Montauk Point - Turtles
Long Island NY
Eastons Beach (1st Beach)
Rhode Island
Eastons Beach (1st Beach)
Rhode Island
Flies
Long Island NY
Indian Wells
Long Island NY
Indian Wells
Long Island NY
Indian Wells
Long Island NY
Ditch Plains
Long Island NY
Indian Wells
Long Island NY
Indian Wells
Long Island NY
Hirtle's Beach (Hartling Bay)
Nova Scotia
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
503
443
4
14
0
38
38
395
395
199
163
199
186
227
168
168
273
247
247
247
232
247
247
544
Best forecast wave conditions in New Hampshire
Rye On the Rocks
Hampton Beach
Rating
(10 max)
1
1
Best forecast wave conditions in United States
The Strait
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Cape Elizabeth
Washington
Chincoteague
Virginia
Chincoteague
Virginia
Assateague
Maryland
North End
Virginia
Chincoteague
Virginia
North End
Virginia
North End
Virginia
Chincoteague
Virginia
Fluidgroove Reef
Florida - North
Trestles (Uppers)
CAL - Orange County
Trestles (Uppers)
CAL - Orange County
Tijuana Sloughs
Baja Norte
The Point
Carolina North
Riomar Reef
Florida - North
Monster Hole
Florida - North
Fluidgroove Reef
Florida - North
Fluidgroove Reef
Florida - North
The Strait
Washington
The Wedge
CAL - Orange County
Trestles (Uppers)
CAL - Orange County
Peanuts
Florida - North
Rating
(10 max)
3
3
3
1
1
1
1
1
1
1
1
1
2
2
2
2
1
1
1
2
3
1
2
1
Header Global
White Rock - The Spit
New Zealand
White Rock - The Spit
New Zealand
Haapiti
French Polynesia
Dunedin - Bobs Beach
New Zealand
Dunedin - Cob Cottage
New Zealand
Fullers
United States
Otago Peninsula - Pipikaretu
New Zealand
Fish Boma
South Africa
Fish Boma
South Africa
Papatowai
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Dolphin Point
South Africa
White Rock - The Spit
New Zealand
White Rock - The Spit
New Zealand
Fish Boma
South Africa
Boneyards
South Africa
Boneyards
South Africa
Boneyards
South Africa
Boneyards
South Africa
Boneyards
South Africa
El Olon de Ilo
Peru
Maraa
French Polynesia
Haapiti
French Polynesia
Rating
(10 max)
6
7
7
9
9
7
8
6
6
9
9
9
7
9
8
7
7
6
6
6
5
5
5
5
  • 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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