NOAA Office of Satellite and Product Operations

Please Note:  

GOES-15 supplemental operations ended on March 2, 2020. The distribution of GOES-15 satellite products has been discontinued.

To view imagery from the operational GOES East (GOES-16) and GOES West (GOES-17) satellites, users may visit

Bleaching Alert Area Charts for 2017

Global map of Bleaching Alert Areas for August 15, 2017

BAAs in Mediterranean and Red Sea BAAs around India BAAs east of Japan BAAs around Hawaii BAAs around Central America BAAs West of Africa BAAs in Mediterranean and Red Sea BAAs around southern Africa BAAs in the southern Indian Ocean BAAs around Australia BAAs in the South Pacific BAAs west of South America BAAs east of Brazil BAAs around southern Africa

Click on the map to go to your region of interest.
Notice: CRW's twice-weekly 50 km products will update around 2 pm on Mondays and Thursdays (U.S. Eastern Time) starting from 1 February 2016, using a new 50 km SST analysis (view details).
For information about these images, go to the methodology webpage.


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Bleach Alert Area
2012 2013 2014 2015   2016   2017
  2018   2019


Regularly Updated Sea Surface Temperature (SST) Imagery:
SST contour charts  |  High resolution CoastWatch imagery

Regularly Updated Operational Coral Bleaching Monitoring Products: Regularly Updated Animations of Operational Coral Bleaching Monitoring Products: Other Links of Interest:

50 km Nighttime SST

SST Anomalies


Degree Heating Weeks

Bleaching Alert Area

Coral Bleaching Virtual Stations

Satellite Bleaching Alerts

1984-1998 SST monthly means

1984-1998 SST monthly mean Anomalies

1998 coral bleaching events and animations

1998/1999 seasonal DHWs

Ocean Surface Winds

STAR Satellite Oceanography Division

Comprehensive Large Array-data Stewardship System

National Climatic Data Center

Polar Orbiter Data and NOAA KLM User's Guides