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

Degree Heating Week Charts for 2017

clickable global map of degree heating weeks

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

Click on the map to go to your region of interest.
For information about these images, go to the methodology webpage.


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Degree Heating Weeks
1998-1999 2000 2001 2002 2003 2004
2005 2006 2007 2008 2009 2010
2011 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