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Surf Forecasts:
Coastguard Beach surfForecast / Massachusetts / USA
48hr Weather and Surf, issued 12 pm Monday 08 Dec 2025 ESTForecast update in hr min s Forecast update imminent
Coastguard Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Coastguard Beach sea temperature is
8.4° C
(Which is normal for this time of year)Updates in hr min s Forecast update imminent
Monday 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | |||||||||||||||||||||
| 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) (?) | 8 | 8 | 8 | 9 | 6 | 6 | 6 | 6 | 9 | 9 | 9 | 9 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 6 | 15 | 15 | 15 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 12 | 12 | 12 | 6 | 88 | 60 | 42 | 31 | 6 | 6 | 6 | 6 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 237 | 4 | 4 | 5 | 131 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off |
High Tide / height (m) | 1:35PM 3.22 | 2:20AM 2.83 | 2:31PM 3.05 | 3:16AM 2.75 | 3:29PM 2.86 | 4:13AM 2.69 | ||||||||||||||||||
Low Tide / height (m) | 7:21AM 0.40 | 8:04PM 0.06 | 8:19AM 0.49 | 8:59PM 0.21 | 9:18AM 0.59 | 9:53PM 0.38 | ||||||||||||||||||
Monday 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:56 |
| Sunset | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - |
 |  | |  | | |  |  | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | -3 | -4 | -3 | -3 | -3 | -4 | -4 | -4 | -4 | -3 | -2 | 1 | 3 | 5 | 6 | 7 | 8 | 9 | 9 | 10 | 10 | 8 | 7 | 6 |
| Feels °C (?) | -15 | -15 | -13 | -12 | -12 | -12 | -10 | -10 | -10 | -10 | -9 | -7 | -6 | -5 | -3 | -1 | 1 | 1 | 0 | 0 | 0 | -1 | -2 | -3 |
- 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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