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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 1 pm Wednesday 01 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
3.9° C
(Which is normal for this time of year)How big are the waves at Costellos today?
The current surf forecast for Costellos at 5PM is: 0.8m 9s primary swell from a South-southeast direction and 0.4m 3s secondary swell from a Northeast direction (forecast issued at 01:00pm April 01). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Apr) | 3ft (0.9m) | 8s |
| Afternoon (01 Apr) | 3ft (0.9m) | 8s |
| Evening (01 Apr) | 2ft (0.6m) | 7s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 01 | Thursday 02 | Friday 03 | Saturday 04 | |||||||||||||||||||||
| 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) (?) | 7 | 7 | 9 | 7 | 7 | 7 | 7 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 89 | 74 | 106 | 35 | 33 | 25 | 33 | 47 | 86 | 130 | 120 | 96 | 45 | 123 | 157 | 168 | 176 | 158 | 158 | 74 | 99 | 97 | 70 | 36 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- on | cross- on | on | cross- on | cross- on | cross- on | on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off |
High Tide / height (m) | 11:31AM 3.35 | 11:49PM 3.43 | 12:13PM 3.32 | 12:27AM 3.44 | 12:55PM 3.25 | 1:05AM 3.42 | ||||||||||||||||||
Low Tide / height (m) | 5:38PM 0.44 | 6:03AM 0.33 | 6:18PM 0.49 | 6:44AM 0.32 | 6:56PM 0.57 | 7:25AM 0.36 | ||||||||||||||||||
Wednesday 01 | Thursday 02 | Friday 03 | Saturday 04 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:20 |
| Sunset | - | - | 7:07 | - | - | - | - | - | - | - | 7:09 | - | - | - | - | - | - | - | 7:10 | - | - | - | - | - |
 |  | |  | | |  |  | | | | | | | | | | |  |  |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 10 | 8 | 6 | 5 | 2 | 1 | 0 | 0 | 0 | -1 | 0 | 0 | 0 | 0 | 1 | 2 | 9 | 17 | 16 | 17 | 17 | 10 | 6 |
| Feels °C (?) | 15 | 7 | 4 | 3 | -1 | -4 | -5 | -6 | -6 | -7 | -7 | -5 | -5 | -5 | -5 | -3 | -2 | 4 | 14 | 12 | 13 | 13 | 4 | 1 |
- 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
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