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Nantasket Beach Surf Forecast
/ Massachusetts (29 breaks) / Massachusetts (28 breaks) /
Surf Forecasts:
Nantasket Beach surfForecast / Massachusetts / USA
48hr Weather and Surf, issued 1 am Sunday 22 Mar 2026 EDTForecast update in hr min s Forecast update imminent
Nantasket Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nantasket Beach sea temperature is
3.8° C
(Which is normal for this time of year)How big are the waves at Nantasket Beach today?
The current surf forecast for Nantasket Beach at 7AM is: 0.3m 7s primary swell from a East direction and 0.4m 5s secondary swell from a Northeast direction, 0.4m 3s secondary swell from a Southeast direction (forecast issued at 01:00am March 22). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Mar) | 1ft (0.3m) | 7s |
| Afternoon (22 Mar) | 2ft (0.6m) | 5s |
| Evening (22 Mar) | 1.5ft (0.4m) | 5s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 22 | Monday 23 | Tuesday 24 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 7 | 7 | 4 | 5 | 5 | 5 | 7 | 8 | 5 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 30 | 18 | 10 | 9 | 9 | 14 | 16 | 9 | 21 | 24 | 48 | 123 | 209 | 317 | 403 | 369 | 298 | 248 | 456 | 323 | 277 | 228 | 217 | 176 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | on | cross | cross- on | cross | cross | cross- off | off | cross | cross | cross- on | cross- on | cross | cross | cross- on | cross- on | glass | cross- off | cross- off | cross | cross | cross- on | cross- on | cross- off |
High Tide / height (m) | 1:58AM 3.27 | 2:31PM 2.97 | 2:45AM 3.24 | 3:22PM 2.83 | 3:37AM 3.15 | 4:20PM 2.67 | ||||||||||||||||||
Low Tide / height (m) | 8:17AM -0.33 | 8:32PM -0.05 | 9:08AM -0.25 | 9:22PM 0.08 | 10:05AM -0.12 | |||||||||||||||||||
Sunday 22 | Monday 23 | Tuesday 24 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:39 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:57 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:59 | - |
 |  | |  | |  | |  | |  | | | | | | | | | |  |  | |  | | |
Rain (mm) | - | - | - | - | - | 5 | 3 | 3 | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 4 | 2 | 2 | 3 | 5 | 6 | 9 | 9 | 3 | 1 | 2 | 1 | 1 | 1 | 2 | 2 | 1 | -1 | -1 | -1 | 0 | 3 | 5 | 2 |
| Feels °C (?) | -1 | -2 | -3 | -3 | -1 | 0 | 6 | 7 | -3 | -6 | -6 | -7 | -7 | -7 | -5 | -2 | -2 | -7 | -6 | -7 | -4 | -1 | 0 | -5 |
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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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