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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 12 pm Saturday 07 Mar 2026 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
2.5° C
(Which is slightly cooler than normal)How big are the waves at Costellos today?
The current surf forecast for Costellos at 5PM is: 1.4m 9s primary swell from a East-southeast direction (forecast issued at 12:00pm March 07). An open ocean swell of 1.0m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Mar) | 5.5ft (1.7m) | 9s |
| Afternoon (07 Mar) | 5ft (1.5m) | 9s |
| Evening (07 Mar) | 4.5ft (1.3m) | 9s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 07 | Sunday 08 | Monday 09 | Tuesday 10 | |||||||||||||||||||||
| 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 | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 7 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 5 | 6 | 5 | 5 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 474 | 343 | 301 | 254 | 218 | 218 | 184 | 146 | 146 | 121 | 119 | 84 | 84 | 64 | 62 | 62 | 45 | 44 | 43 | 65 | 53 | 37 | 33 | 24 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | 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 | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 1:45PM 3.13 | 1:59AM 3.25 | 2:30PM 2.95 | 2:42AM 3.12 | 3:17PM 2.78 | 3:28AM 2.98 | ||||||||||||||||||
Low Tide / height (m) | 7:35AM 0.45 | 7:48PM 0.68 | 8:19AM 0.58 | 8:29PM 0.85 | 9:06AM 0.72 | 9:13PM 1.02 | ||||||||||||||||||
Saturday 07 | Sunday 08 | Monday 09 | Tuesday 10 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:03 |
| Sunset | - | - | 5:38 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:40 | - | - | - | - | - |
 | | |  | | |  | | | |  |  | | | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 0 | 1 | 3 | 4 | 6 | 8 | 7 | 8 | 10 | 12 | 11 | 7 | 7 | 6 | 6 | 6 | 10 | 15 | 16 | 12 | 10 | 9 | 10 | 11 |
| Feels °C (?) | -5 | -5 | -3 | -2 | 1 | 3 | 3 | 4 | 6 | 8 | 6 | 3 | 2 | 1 | 2 | 1 | 6 | 10 | 11 | 8 | 6 | 5 | 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)
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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.
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