Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Marconis Beach surfForecast / Massachusetts / USA
48hr Weather and Surf, issued 12 pm Saturday 20 Dec 2025 ESTForecast update in hr min s Forecast update imminent
Marconis Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Marconis Beach sea temperature is
7.3° C
(Which is normal for this time of year)Nearby Cam: 5km away, Live Camera Axis M1145
How big are the waves at Marconis Beach today?
The current surf forecast for Marconis Beach at 4PM is: 0.8m 10s primary swell from a Southeast direction (forecast issued at 12:00pm December 20). An open ocean swell of 0.5m 5s is not directed at the surf break, a second open ocean swell of 0.3m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Dec) | 3.5ft (1.1m) | 11s |
| Afternoon (20 Dec) | 2.5ft (0.8m) | 11s |
| Evening (20 Dec) | 2ft (0.6m) | 10s |
Table - waves today at Marconis Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||||||||
| 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) (?) | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 242 | 198 | 129 | 98 | 79 | 50 | 50 | 47 | 43 | 29 | 33 | 36 | 34 | 31 | 17 | 17 | 16 | 16 | 7 | 7 | 7 | 7 | 7 | 7 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off |
High Tide / height (m) | 11:25AM 3.20 | 12:05AM 2.76 | 12:04PM 3.21 | 12:44AM 2.76 | 12:43PM 3.21 | 1:24AM 2.78 | ||||||||||||||||||
Low Tide / height (m) | 6:06PM 0.09 | 6:08AM 0.46 | 6:45PM 0.08 | 6:49AM 0.45 | 7:25PM 0.07 | |||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:10 | - | - | - | - | - | - | - | 4:10 | - | - | - | - | - | - | - | 4:12 | - | - | - | - | - |
 |  | |  | | | | | | | | | | |  |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 0 | 1 | 2 | 2 | 3 | 5 | 6 | 7 | 6 | 6 | 3 | 1 | 0 | 0 | -2 | -3 | -3 | -2 | 0 | 1 | 0 | 1 | 1 | 0 |
| Feels °C (?) | -9 | -6 | -4 | -5 | -6 | -5 | -4 | -3 | -3 | -3 | -8 | -10 | -11 | -12 | -15 | -16 | -15 | -12 | -10 | -8 | -9 | -7 | -6 | -5 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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