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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 am Thursday 09 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
4.5° C
(Which is normal for this time of year)How big are the waves at Costellos today?
The current surf forecast for Costellos at 5AM is: 0.2m 6s primary swell from a East-southeast direction (forecast issued at 01:00am April 09). 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 (09 Apr) | 0.5ft (0.1m) | 6s |
| Afternoon (09 Apr) | 3ft (0.9m) | 4s |
| Evening (09 Apr) | 4.5ft (1.4m) | 5s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 09 | Friday 10 | Saturday 11 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 4 | 6 | 11 | 3 | 4 | 4 | 5 | 5 | 5 | 5 | 4 | 9 | 9 | 5 | 6 | 6 | 9 | 10 | 9 | 9 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 6 | 2 | 4 | 2 | 3 | 13 | 49 | 109 | 74 | 37 | 27 | 18 | 34 | 48 | 56 | 91 | 91 | 100 | 132 | 124 | 164 | 159 | 193 | 189 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:40AM 2.88 | 5:29PM 2.56 | 5:35AM 2.80 | 6:26PM 2.55 | 6:33AM 2.78 | 7:22PM 2.61 | ||||||||||||||||||
Low Tide / height (m) | 10:27PM 1.17 | 11:14AM 0.92 | 11:21PM 1.24 | 12:09PM 0.97 | 12:20AM 1.25 | 1:05PM 0.97 | ||||||||||||||||||
Thursday 09 | Friday 10 | Saturday 11 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:17 | - | - | - | - | - | - | - | 7:19 | - | - | - | - | - | - | - | 7:20 | - |
 | | |  | | | | | | | | |  | |  |  | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - |
| Temp. °C | 1 | 1 | 1 | 0 | 5 | 7 | 8 | 6 | 3 | 2 | 2 | 3 | 10 | 17 | 19 | 14 | 12 | 11 | 7 | 6 | 8 | 10 | 9 | 7 |
| Feels °C (?) | -5 | -4 | -4 | -5 | -1 | 0 | 0 | -1 | -3 | -4 | -3 | -2 | 5 | 12 | 14 | 8 | 7 | 7 | 0 | -1 | 0 | 2 | 1 | 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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