- Forecast
- Maps
- Live
- Weather State
- Spot Information
Costellos Surf Forecast
/ New Hampshire (9 breaks) / New Hampshire (9 breaks) /
Surf Forecasts:
Costellos surfForecast / New Hampshire / USA
48hr Weather and Surf, issued 1 pm Saturday 04 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
4.4° C
(Which is normal for this time of year)How big are the waves at Costellos today?
The current surf forecast for Costellos at 8PM is: 1.5m 6s primary swell from a East direction and 0.2m 7s secondary swell from a South-southeast direction (forecast issued at 01:00pm April 04). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Apr) | 2ft (0.6m) | 8s |
| Afternoon (04 Apr) | 4.5ft (1.3m) | 5s |
| Evening (04 Apr) | 5ft (1.5m) | 6s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 04 | Sunday 05 | Monday 06 | Tuesday 07 | |||||||||||||||||||||
| 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) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 4 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 8 | 9 | 9 | 9 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 42 | 103 | 145 | 178 | 233 | 233 | 239 | 330 | 358 | 362 | 248 | 158 | 94 | 43 | 30 | 22 | 30 | 30 | 28 | 30 | 30 | 19 | 18 | 17 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- off | cross- off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide / height (m) | 1:36PM 3.16 | 1:44AM 3.35 | 2:17PM 3.04 | 2:23AM 3.24 | 3:00PM 2.90 | 3:05AM 3.12 | ||||||||||||||||||
Low Tide / height (m) | 7:34PM 0.67 | 8:05AM 0.44 | 8:14PM 0.79 | 8:48AM 0.55 | 8:54PM 0.93 | |||||||||||||||||||
Saturday 04 | Sunday 05 | Monday 06 | Tuesday 07 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:15 |
| Sunset | - | - | 7:12 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:14 | - | - | - | - | - |
 |  | |  |  | |  |  |  | | |  |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | - | 4 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 5 | 2 | 2 | 1 | 1 | 1 | 2 | 3 | 5 | 7 | 9 | 9 | 7 | 4 | 3 | 3 | 6 | 8 | 8 | 5 | 3 | 2 | 1 | 1 |
| Feels °C (?) | -3 | -5 | -5 | -6 | -5 | -5 | -3 | 0 | 3 | 4 | 7 | 4 | 0 | -3 | -4 | -4 | -1 | 0 | 1 | -1 | -2 | -3 | -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.
Nearest