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Costellos Surf Forecast
/ New Hampshire (9 breaks) / New Hampshire (9 breaks) /
Surf Forecasts:
Costellos surfForecast / New Hampshire / USA
48hr Weather and Surf, issued 7 pm Monday 06 Apr 2026 EDTForecast 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
4.8° C
(Which is slightly warmer than usual)How big are the waves at Costellos today?
The current surf forecast for Costellos at 12AM is: 0.4m 8s primary swell from a Southeast direction and 0.3m 7s secondary swell from a East-southeast direction (forecast issued at 07:00pm April 06). 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) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Apr) | - | - |
| Afternoon (07 Apr) | 1.5ft (0.4m) | 8s |
| Evening (07 Apr) | 1.5ft (0.4m) | 9s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 06 | Tuesday 07 | Wednesday 08 | Thursday 09 | |||||||||||||||||||||
| 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) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 9 | 9 | 8 | 8 | 8 | 8 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 4 | 9 | 3 | 3 | 3 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 28 | 19 | 19 | 18 | 17 | 16 | 11 | 8 | 15 | 13 | 9 | 24 | 24 | 17 | 45 | 16 | 14 | 15 | 7 | 2 | 2 | 2 | 2 | 8 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | off | off | glass | cross- on | cross- on | on | on | glass | cross- off | cross- off | cross- off | cross | on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross | cross- on |
High Tide / height (m) | 3:00PM 2.90 | 3:05AM 3.12 | 3:45PM 2.76 | 3:50AM 2.99 | 4:35PM 2.64 | 4:40AM 2.88 | ||||||||||||||||||
Low Tide / height (m) | 8:54PM 0.93 | 9:33AM 0.69 | 9:38PM 1.06 | 10:21AM 0.82 | 10:27PM 1.17 | 11:14AM 0.92 | ||||||||||||||||||
Monday 06 | Tuesday 07 | Wednesday 08 | Thursday 09 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 | - | - |
| Sunset | 7:14 | - | - | - | - | - | - | - | 7:15 | - | - | - | - | - | - | - | 7:15 | - | - | - | - | - | - | - |
 |  | | |  |  |  | | | | |  | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 7 | 5 | 3 | 2 | 1 | 2 | 0 | 1 | 1 | 1 | 0 | -3 | -3 | -3 | -2 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 3 | 4 |
| Feels °C (?) | 0 | 0 | -1 | -2 | -2 | -3 | -5 | -4 | -3 | -1 | -6 | -9 | -7 | -7 | -6 | -6 | -6 | -5 | -5 | -4 | -5 | -5 | -3 | -3 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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.
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