Great Bay Coastal Buoy

The Great Bay Coastal Buoy is located at 43.0715 degrees N and 70.8678 degrees W, near Portsmouth, NH. The buoy records a suite of measurements and these observations are updated regularly on this page. The most recent observations compared to those from the last 13 years are presented graphically below; click the bar chart for each parameter to see how the readings from the year so far compare with those from last 13 years.

Data Access
IOOS Registry of In-situ Observations

Recent observations at the Buoy (21-Nov-2011 18:01 local):

The Buoy This Week:

November 28, 2011

We have recovered the buoy for the season. Please check back in early April as we begin our eighth year of biogeochemical and optical monitoring in the Great Bay Estuary!

Please send us an email with any questions or comments.

All the best,

Tom Gregory (tom.gregory@unh.edu)

CDOM Salinity Mixing at the Great Bay Buoy

Flow data from the Lamprey River

Watch the video of the buoy recovery!

Interpreting These Graphs

The graphs to the left show recent observations at the Great Bay Coastal Buoy as compared to historical measurements made in Great Bay over the last 13 years. The colors represent the percentages of all observations during this 13 year period that fall within a specific range.