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Seabrook Beach Surf Forecast
/ New Hampshire (9 breaks) / New Hampshire (9 breaks) /
Surf Forecasts:
Seabrook Beach surfForecast / New Hampshire / USA
48hr Weather and Surf, issued 1 pm Saturday 21 Mar 2026 EDTForecast update in hr min s Forecast update imminent
Seabrook Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Seabrook Beach sea temperature is
3.4° C
(Which is normal for this time of year)How big are the waves at Seabrook Beach today?
The current surf forecast for Seabrook Beach at 6PM is: 0.8m 8s primary swell from a Southeast direction and 0.5m 8s secondary swell from a East direction, 0.2m 3s secondary swell from a North-northeast direction (forecast issued at 01:00pm March 21). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 3.5ft (1.1m) | 8s |
| Afternoon (21 Mar) | 2.5ft (0.8m) | 8s |
| Evening (21 Mar) | 2.5ft (0.7m) | 8s |
Table - waves today at Seabrook Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| 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 | 11 PM | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 8 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 5 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 132 | 112 | 78 | 63 | 63 | 54 | 46 | 78 | 71 | 133 | 118 | 132 | 139 | 100 | 77 | 77 | 151 | 227 | 372 | 288 | 283 | 335 | 534 | 326 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- on | glass | cross | cross- on | cross- on | cross | cross- off | cross | cross | cross | cross | cross | cross | cross- on | cross- on | glass | glass | cross | cross- on | cross |
High Tide / height (m) | 1:44PM 2.80 | 1:58AM 3.01 | 2:31PM 2.72 | 2:43AM 2.98 | 3:23PM 2.60 | 3:35AM 2.90 | ||||||||||||||||||
Low Tide / height (m) | 8:04PM -0.16 | 8:36AM -0.33 | 8:49PM -0.07 | 9:27AM -0.27 | 9:39PM 0.04 | |||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:39 |
| Sunset | - | - | 6:55 | - | - | - | - | - | - | - | 6:57 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - |
 | |  |  | | | |  |  |  | |  | | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 3 | 4 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 6 | 8 | 7 | 4 | 2 | 1 | 2 | 1 | 2 | 4 | 5 | 3 | 1 | 1 | -1 | -1 | 0 | 2 | 2 | 1 | 0 | 0 | -1 | -2 |
| Feels °C (?) | 1 | 1 | 0 | -1 | -2 | -2 | -2 | -5 | -5 | -1 | 3 | -2 | -6 | -6 | -9 | -8 | -7 | -4 | -2 | -2 | -2 | -4 | -7 | -7 |
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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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