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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 12 pm Tuesday 18 Nov 2025 ESTForecast 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
10.2° 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 5PM is: 0.1m 13s primary swell from a East direction (forecast issued at 12:00pm November 18). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Nov) | 0.5ft (0.1m) | 14s |
| Afternoon (18 Nov) | 0.5ft (0.1m) | 13s |
| Evening (18 Nov) | 0.5ft (0.1m) | 14s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||||||||||
| 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) (?) | 14 | 14 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 10 | 10 | 12 | 12 | 11 | 10 | 10 | 10 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | off | off | off | cross- off | cross- off | cross- off | glass | cross- off | cross- off | cross- off | cross- off | glass | glass | glass | glass | glass | off | cross- off | cross- off |
High Tide / height (m) | 9:44AM 2.89 | 10:17PM 2.59 | 10:19AM 2.92 | 10:56PM 2.57 | 10:55AM 2.92 | 11:34PM 2.54 | ||||||||||||||||||
Low Tide / height (m) | 4:06PM 0.12 | 4:08AM 0.38 | 4:44PM 0.09 | 4:45AM 0.41 | 5:21PM 0.09 | 5:21AM 0.44 | ||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:39 |
| Sunset | - | - | 4:19 | - | - | - | - | - | - | - | 4:17 | - | - | - | - | - | - | - | 4:16 | - | - | - | - | - |
 | | |  | | |  |  | | | | | | |  |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 4 | 7 | 7 | 5 | 3 | 2 | 1 | 1 | 3 | 6 | 7 | 6 | 5 | 3 | 2 | 2 | 3 | 5 | 5 | 5 | 5 | 4 | 3 | 3 |
| Feels °C (?) | -4 | -1 | 0 | -1 | -2 | -3 | -4 | -4 | -2 | 2 | 3 | 2 | 1 | -1 | -2 | -2 | 0 | 3 | 3 | 3 | 2 | 1 | -1 | -2 |
- Map Icons:
Break
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
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nantasket Beach 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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