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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 Thursday 05 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 2PM is: 1.4m 5s primary swell from a East-northeast direction and 0.5m 12s secondary swell from a Southeast direction, 0.4m 7s secondary swell from a Southeast direction (forecast issued at 06:00am March 05). The wind direction is predicted to be cross-onshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Mar) | 1.5ft (0.5m) | 12s |
| Afternoon (05 Mar) | 5ft (1.6m) | 6s |
| Evening (05 Mar) | 6ft (1.9m) | 7s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 05 | Friday 06 | Saturday 07 | Sun 08 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 5 | 6 | 7 | 7 | 7 | 6 | 6 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 68 | 68 | 68 | 88 | 206 | 340 | 352 | 302 | 261 | 261 | 437 | 518 | 614 | 618 | 608 | 566 | 525 | 484 | 415 | 486 | 377 | 315 | 388 | 218 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | glass | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 12:20PM 3.44 | 12:39AM 3.44 | 1:02PM 3.30 | 1:19AM 3.37 | 1:45PM 3.13 | |||||||||||||||||||
Low Tide / height (m) | 6:09AM 0.30 | 6:28PM 0.38 | 6:52AM 0.35 | 7:08PM 0.52 | 7:35AM 0.45 | 7:48PM 0.68 | ||||||||||||||||||
Thursday 05 | Friday 06 | Saturday 07 | Sun 08 | |||||||||||||||||||||
| Sunrise | - | 6:13 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:36 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:38 | - | - | - |
 |  | | | |  |  | | |  | | | | | | | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - |
| Temp. °C | 5 | 0 | 0 | -2 | -3 | -3 | -2 | -2 | -1 | -3 | -2 | -1 | -1 | -1 | 0 | 0 | 1 | 1 | 1 | 2 | 3 | 4 | 6 | 8 |
| Feels °C (?) | 2 | -5 | -8 | -11 | -11 | -11 | -10 | -9 | -8 | -10 | -10 | -8 | -8 | -6 | -3 | -3 | -2 | -3 | -4 | -3 | -3 | -2 | 1 | 4 |
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FREE! Surf-Forecast.com widget for your website
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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