Providence Conditions

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​The mid-depth sonde at Bullock's Reach has been removed for maintenance. There is no real-time data currently available for this depth;  the data displayed below for the mid-depth is erroneous. Surface and bottom sondes are transmitting data in Real-time.

Bullock Reach

Last Updated: 10/16/17 6:45 PM
Meteorological Data
Wind Speed, 15 min avg (MPH) 9.62
Wind Direction (Deg) 120.93
Air Temperature (C) 11
Air Temperature (F) 51.8

Last Updated: 10/16/17 6:45 PM
Sonde Location Surface Middle Bottom
Depth (m) 1.21 7.24 8.45
Temperature (C) 18.51 18.76 18.65
Temperature (F) 65.31 65.77 65.57
Salinity (ppt) 29.6 29.89 29.94
Dis. Oxygen (mg/L) 7.24 7.17 7.08
pH (SU) 9.29 8.08
Chlorophyll (µ g/L) 3.43 4.26 4.45
Turbidity (NTU) 0.79 1.25 1.44
Nitrate (ppm N) 0.03 n/a n/a


Last Updated: 10/16/17 6:45 PM
Sonde Location Surface Bottom
Depth (m) 0.47 2.42
Temperature (C) 18 19.61
Temperature (F) 64.4 67.3
Salinity (ppt) 19.63 27.05
Dis. Oxygen (mg/L) 7.35 5.3
pH (SU) 7.63 7.67
Chlorophyll (µ g/L) 6.9 n/a


The Narragansett Bay Commission’s (NBC) Mission Statement is to maintain a leadership role in the protection of water quality in Narragansett Bay and its tributaries. The NBC keeps to this vow by continually monitoring water quality at its two buoy locations, collecting water quality casts, mapping surface water quality parameters, and taking samples of the Bay’s bacterial and nutrient levels.

Conimicut Point Lighthouse

Conimicut Point Lighthouse

Bullock Reach Buoy

Bullock Reach Buoy

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Pomham Rocks Lighthouse

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ROMS Modeling Project

Summary of Water Quality in the Bay

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