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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 Thursday 02 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
4.3° C
(Which is normal for this time of year)How big are the waves at Costellos today?
The current surf forecast for Costellos at 4AM is: 1.2m 6s primary swell from a East direction and 0.6m 5s secondary swell from a Northeast direction (forecast issued at 07:00pm April 02). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Apr) | 4.5ft (1.3m) | 7s |
| Afternoon (03 Apr) | 3.5ft (1.1m) | 7s |
| Evening (03 Apr) | 3.5ft (1.0m) | 7s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 02 | Friday 03 | Saturday 04 | Sunday 05 | |||||||||||||||||||||
| 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) (?) | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 115 | 102 | 108 | 117 | 157 | 168 | 134 | 118 | 113 | 100 | 83 | 66 | 55 | 46 | 46 | 98 | 132 | 139 | 186 | 179 | 232 | 321 | 485 | 331 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | on | on | on | cross- on | cross- on | cross- on | cross | cross- off | cross- off |
High Tide / height (m) | 12:27AM 3.44 | 12:55PM 3.25 | 1:05AM 3.42 | 1:36PM 3.16 | 1:44AM 3.35 | |||||||||||||||||||
Low Tide / height (m) | 6:18PM 0.49 | 6:44AM 0.32 | 6:56PM 0.57 | 7:25AM 0.36 | 7:34PM 0.67 | 8:05AM 0.44 | ||||||||||||||||||
Thursday 02 | Friday 03 | Saturday 04 | Sunday 05 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:18 | - | - |
| Sunset | 7:09 | - | - | - | - | - | - | - | 7:10 | - | - | - | - | - | - | - | 7:12 | - | - | - | - | - | - | - |
 |  | | | | | | |  |  | |  | | | |  | | | | |  |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 2 | - | 3 |
| Temp. °C | -1 | -1 | 0 | 0 | 1 | 1 | 2 | 7 | 15 | 15 | 16 | 17 | 14 | 8 | 9 | 3 | 2 | 1 | 1 | 2 | 3 | 4 | 9 | 9 |
| Feels °C (?) | -8 | -7 | -5 | -5 | -3 | -4 | -2 | 3 | 12 | 11 | 12 | 14 | 10 | 4 | 5 | -4 | -5 | -5 | -5 | -3 | -1 | 1 | 7 | 8 |
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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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