Charlestown Marina
Charlestown Marina is a marina in Charlestown, MA. The marina is located on Boston Harbor. Pump out services are available.
Gallery
Operator details
- Vessels
- Powerboat
Boat launches near Charlestown Marina
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Typical flow by month
2006 to 2025
The water at Charlestown Marina typically runs highest in April, at a median 11 cfs, and lowest in September, at 4.3 cfs. The highest flow on record for any single day is 180 cfs, in 2010.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 9.8 | 7.9 to 13 | |
| February | 9.2 | 7.5 to 12 | |
| March | 11 | 8.1 to 15 | |
| April | 11 | 8.0 to 16 | |
| May | 8.5 | 6.6 to 11 | |
| June | 7.4 | 5.4 to 11 | |
| July | 6.2 | 4.0 to 9.7 | |
| August | 5.0 | 3.5 to 7.5 | |
| September | 4.3 | 3.3 to 8.1 | |
| October | 5.4 | 3.6 to 10 | |
| November | 7.0 | 4.5 to 11 | |
| December | 9.5 | 6.4 to 14 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 19 years of record. Statistics published by the US Geological Survey for Alewife Brook near Arlington, MA (site 01103025). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Current conditions
Waves
3.0 ft @ 5s
Wind
4 kt
Gusts 24 kt
Water
64°F
Air
54°F
Streamflow
5.8 cfs
Normal (56th)
Water level
1.80 ft
Rain chance
2%
Forecast outlook
Forecast from Open-Meteo global models (NOAA & ECMWF). See full conditions →
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