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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 6 am Wednesday 26 Nov 2025 ESTForecast 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
9.1° C
(Which is normal for this time of year)How big are the waves at Costellos today?
The current surf forecast for Costellos at 11AM is: 1.2m 6s primary swell from a South direction and 1.0m 6s secondary swell from a South-southeast direction, 0.2m 9s secondary swell from a East-southeast direction (forecast issued at 06:00am November 26). The wind direction is predicted to be cross-offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Nov) | 4.5ft (1.3m) | 6s |
| Afternoon (26 Nov) | 3.5ft (1.1m) | 6s |
| Evening (26 Nov) | 3ft (0.9m) | 7s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 26 | Thursday 27 | Friday 28 | Sat 29 | |||||||||||||||||||||
| 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 102 | 146 | 91 | 51 | 80 | 85 | 90 | 96 | 93 | 59 | 37 | 29 | 25 | 34 | 29 | 30 | 19 | 18 | 16 | 15 | 14 | 14 | 20 | 21 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off |
High Tide / height (m) | 2:49AM 2.74 | 2:51PM 2.95 | 3:36AM 2.75 | 3:42PM 2.89 | 4:25AM 2.81 | 4:38PM 2.87 | ||||||||||||||||||
Low Tide / height (m) | 8:42AM 1.09 | 9:19PM 0.79 | 9:34AM 1.09 | 10:06PM 0.82 | 10:30AM 1.04 | 10:57PM 0.81 | ||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Sat 29 | |||||||||||||||||||||
| Sunrise | - | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 4:10 | - | - | - | - | - | - | - | 4:10 | - | - | - | - | - | - | - | 4:09 | - | - | - |
 |  |  | | | |  | |  | |  | |  |  | | | | | | | | | | | |
Rain (mm) | 5 | 1 | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 12 | 12 | 15 | 14 | 13 | 12 | 12 | 6 | 4 | 5 | 6 | 6 | 4 | 3 | 2 | 1 | 0 | 2 | 4 | 3 | 1 | 0 | 0 |
| Feels °C (?) | 7 | 11 | 11 | 13 | 12 | 11 | 9 | 8 | -1 | -3 | -3 | -2 | -1 | -3 | -4 | -5 | -6 | -7 | -6 | -4 | -5 | -7 | -8 | -8 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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