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Costellos ratings
Quality on a good day: 3.0
Consistency of Surf: 2.0
Difficulty Level: 3.0
Crowds: 2.0

…

Overall: 2.8

See all 18 ratings

Based on 1 vote. Vote


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Costellos location mapGet alerts temp

Costellos Surf Forecast / New Hampshire / USA

12 Day Weather and Surf, issued 1 pm Tuesday 18 May 2021 EDT
Forecast update in  hr  min  s 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 10.4 °C (Statistics for 18 May 1981-2005 - mean: 9.3 max: 11.3 min: 7.6 °C)
Icon breakBreak
Icon legend buoysLive Wave Height (m)
Icon legend windLive Wind Speed (km/h)
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 10.4 °C (Statistics for 18 May 1981-2005 - mean: 9.3 max: 11.3 min: 7.6 °C)

Eyeball surf reportRecent Eyeball Surf Reports for New Hampshire

  1. weather stationWind Update Continuing clean conditions at Costellos (calm at The Five Corners wx 4 km from Costellos).

    1 hour 10 minutes ago Costellos
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<
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1 h 10 min ago

Calm
5 km/h
NW
Clean
Please reload the page to see if there are any updates.

Best Forecast Surf Conditions for Costellos this week:

The surf forecast for Costellos over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (May 18) at 8PM. The primary swell is predicted to be 0.9m and 9s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Costellos in the next 12 days are 1.7m 12s and forecast to arrive on Saturday (May 22) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Saturday (May 22) at 2PM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Tue 18th May)3ft (0.9m) 9s
Best Surf 2AM (Sun 23rd May)5ft (1.6m) 12s
Most Powerful 5PM (Sat 22nd May)5.5ft (1.7m) 12s

Table - best surf conditions forecast for Costellos over the next 12 days.

Hourly12 daysNew Hampshire Surf
Icon printPrint Surf Table
Updates in  hr  min  s Update imminent 
Rating
(10 max)
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
Period(s) (?)
Wave
Graph
(?)Metric surfscale
Energy (?)
Wind
(km/h)
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
High Tide
/ height (m)
Low Tide
/ height (m)
Summary
Rain (mm)
High °C
Low °C
Chill °C (?)
Sunrise
Sunset
Tue
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sun
30
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
222110000013343300120000020011000000
T maine.htsgw.metric.12.cc23
T maine.htsgw.metric.30.cc23
T maine.htsgw.metric.54.cc23
T maine.htsgw.metric.78.cc23
T maine.htsgw.metric.102.cc23
T maine.htsgw.metric.126.cc23
T maine.htsgw.metric.150.cc23
T maine.htsgw.metric.174.cc23
T maine.htsgw.metric.198.cc23
T maine.htsgw.metric.222.cc23
T maine.htsgw.metric.246.cc23
T maine.htsgw.metric.270.cc23
T maine.htsgw.metric.294.cc23
0.8
SE
0.9
ESE
0.9
ESE
0.8
ESE
0.7
ESE
0.5
ESE
0.4
ESE
0.4
ESE
0.7
ESE
0.7
ESE
0.9
ESE
0.9
ESE
1.7
ESE
1.6
ESE
1.5
ESE
1.4
ESE
1.2
ESE
1
ESE
1.2
E
0.9
ESE
0.8
ESE
1.6
SSE
1
S
0.9
SSE
1.2
SSE
1.3
SSE
0.8
SSE
0.7
SE
0.6
SE
0.6
SE
0.6
SE
0.6
SE
0.4
ESE
0.4
ESE
0.6
E
0.9
ESE
99999988878131212111110101099556677888879988
10314513010170422722585793273864689494423312214279147110127555087144595746464542252552115
20
NW
10
NW
10
NE
15
SE
5
N
15
E
15
SE
5
SSW
15
SSE
20
SE
5
NNW
5
SSE
10
SSE
10
SSW
5
NNW
10
NNW
25
NNE
20
ENE
15
SSE
15
WSW
20
S
25
SSW
25
SW
25
SW
20
WSW
15
WSW
30
WNW
35
NW
20
WNW
5
NNW
20
SSE
10
SW
20
SE
20
SE
15
ESE
20
E
cross-
off		cross-
off		cross-
on		cross-
on		glassoncross-
on		cross-
off		cross-
on		cross-
on		glassglasscrosscross-
off		cross-
off		cross-
off		cross-
on		cross-
on		crosscross-
off		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offglasscrosscross-
off		cross-
on		cross-
on		cross-
on		on
4:53PM
2.71
4:58AM
2.92
5:45PM
2.76
5:55AM
2.92
6:39PM
2.88
6:54AM
2.98
7:33PM
3.06
7:54AM
3.08
8:26PM
3.28
8:53AM
3.21
9:18PM
3.51
9:50AM
3.34
10:10PM
3.73
10:45AM
3.46
11:02PM
3.89
11:40AM
3.54
11:55PM
3.98
12:34PM
3.56
12:48AM
3.98
1:29PM
3.52
1:42AM
3.90
2:25PM
3.44
2:37AM
3.75
10:48PM
1.12
11:27AM
0.80
11:45PM
1.07
12:19PM
0.77
12:45AM
0.95
1:14PM
0.69
1:45AM
0.76
2:08PM
0.58
2:43AM
0.53
3:01PM
0.46
3:39AM
0.28
3:55PM
0.34
4:33AM
0.06
4:47PM
0.26
5:27AM
-0.11
5:40PM
0.21
6:21AM
-0.19
6:34PM
0.22
7:15AM
-0.19
7:28PM
0.29
8:09AM
-0.11
8:24PM
0.40
9:05AM
0.04

Note: the tide data above is for Hampton which is 5 km away. Surf properties and timing are calculated for Costellos.New forecast is published every 6 hours at www.surf-forecast.com. See detailed tide info and graph
Offshore winds at Costellos blow from the W

Tue
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sun
30
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
partially cloudy
partially cloudy
partially cloudy
partially cloudy
clear
clear
clear
clear
partially cloudy
partially cloudy
cloudy
light rain
light rain
light rain
cloudy
light rain
partially cloudy
clear
clear
partially cloudy
partially cloudy
light rain
partially cloudy
partially cloudy
partially cloudy
thunderstorm
clear
clear
clear
clear
partially cloudy
partially cloudy
cloudy
cloudy
light rain
light rain
some cloudssome cloudssome cloudssome cloudsclearclearclearclearsome cloudssome cloudscloudylight rainlight rainlight raincloudylight rainsome cloudsclearclearsome cloudssome cloudslight rainsome cloudssome cloudssome cloudsrisk thund- derclearclearclearclearsome cloudssome cloudscloudycloudylight rainlight rain
-----------455-3-----1---2--------15
242220181712131318181613161621191911131216141424292315151315161514141312
2418181713111213131613131516171891012101111131725151413911161213121212
24222018171112121817161316162119198121015121224292313131115161413131210
--5:16--5:15--5:13--5:13--5:11--5:11--5:11--5:09--5:09--5:09--5:07--5:07
8:01--8:02--8:04--8:05--8:06--8:07--8:07--8:08--8:09--8:10--8:10--8:12--

Short Range Forecast: Mostly dry. Warm (max 24°C on Tue afternoon, min 11°C on Thu morning). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 17mm), heaviest on Sat night. Warm (max 21°C on Sun morning, min 9°C on Sun night). Wind will be generally light.

Days 6-9 Weather Summary Light rain (total 3mm), mostly falling on Wed night. Warm (max 29°C on Wed afternoon, min 10°C on Mon night). Mainly fresh winds.

Long Range Forecast: Light rain (total 9mm), mostly falling on Sun morning. Very mild (max 16°C on Fri afternoon, min 9°C on Thu night). Winds decreasing (fresh winds from the NW on Thu afternoon, calm by Fri morning).

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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.


Information about the Costellos Surf forecast

The above surf forecast table for Costellos provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Costellos can be found by selecting the local surf guide option on the grey menu. Our Costellos surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Costellos) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Costellos may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Costellos is 5 km (3 miles) from Hampton. If you plan a vacation in New Hampshire, look for hotels and other accommodation in Hampton. Hampton has rooms for a wide range of budgets as well as car hire and transport links.

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