NOAA Homepage http://www.noaa.gov 

NWS Homepage http://www.nws.noaa.gov 

NWS Marine Forecasts http://www.nws.noaa.gov/om/marine/home.htm

NWS Marine Text Products http://www.nws.noaa.gov/om/marine/forecast.htm

NWS Marine Charts (Radiofax) http://weather.noaa.gov/fax/marine.shtml

NWS Ocean Prediction Center (formally the Marine Prediction Center)

http://www.opc.ncep.noaa.gov/

NWS Tropical Prediction Center/National Hurricane Center http://www.nhc.noaa.gov

NWS Central Pacific Hurricane Center http://www.prh.noaa.gov/hnl/cphc/

Joint Typhoon Warning Center https://metoc.npmoc.navy.mil//jtwc.html

NWS Marine Forecast Offices http://www.nws.noaa.gov/om/marine/marine_map.htm

NWS WC/ATWC Tsunami Center http://wcatwc.arh.noaa.gov/

NWS PTWC Tsunami Center http://www.prh.noaa.gov/pr/ptwc/index.htm

USGS National Earthquake Information Center http://neic.usgs.gov/

NWS VOS Program http://www.vos.noaa.gov

NOAA Data Buoy Center http://www.ndbc.noaa.gov/ 

NOAA Weather Radio http://www.nws.noaa.gov/nwr/ 

NOAA Tides & Currents http://www.co-ops.nos.noaa.gov/

NOAA Ports http://www.opsd.nos.noaa.gov/d_ports.html

NOAA SEAS Program http://seas.amverseas.noaa.gov/seas/

NOAA's National Climatic Data Center (NCDC) http://lwf.ncdc.noaa.gov/oa/ncdc.html 

NOAA's National Oceanographic Data Center (NODC) http://www.nodc.noaa.gov

NOAA Coastwatch http://coastwatch.noaa.gov/COASTWATCH/

NOAA's Atlantic Oceanographic and Meteorological Laboratory (AOML) http://wwww.aoml.noaa.gov/

NOAA's Pacific Marine Environmental Laboratory (PMEL) http://pmel.noaa.gov

NOAA's Office of Response and Restoration http://response.restoration.noaa.gov

NGA Marine Navigation Dept. http://pollux.nss.nga.mil/

U.S. Coast Guard Homepage http://www.uscg.mil 

U.S. Coast Guard Navigation Center http://www.navcen.uscg.gov

U.S. Coast Guard Maritime Telecommunications Information http://www.navcen.uscg.gov/marcomms 

The Radio Technical Commission for Maritime Services (RTCM) http://www.rtcm.org/

National Weather Service (NWS) http://www.nws.noaa.gov/ 

Weather Buoy Statistics http://www.ndbc.noaa.gov/ 

Ocean Weather http://www.oceanweather.com/data/