The legacy OPC website URL https://www.opc.ncep.noaa.gov permanently redirects to https://ocean.weather.gov. On or after July 9, 2019 the old URL will not work. Users must use https://ocean.weather.gov to access the OPC website. More information is available at https://www.weather.gov/media/notification/scn19-10opc_terminate.pdf.
 
PLEASE NOTE: This .shtml webpage is going to be converted to .php format on June 4, 2019. On that date you will need to replace ".shtml" with ".php" in the URL address bar. The actual page content will remain the same. More information is available at https://www.weather.gov/media/notification/scn19-11opc_shtml.pdf.

Atlantic Briefing Package

Analysis24 Hours48 Hours72 Hours96 Hours

Click any image to enlarge.


500 mb Analysis

Atlantic 500 mb Analysis

Last Update: 17:20Z, 21 April 2019, Updates: Twice per day


Surface Analysis

Atlantic surface analysis

Last Update: 20:53Z, 21 April 2019, Updates: Four times per day


Wind and Wave Analysis

Atlantic Offshore & adjacent waters sea state analysis

Last Update: 18:35Z, 21 April 2019, Updates: Four times per day


Sea State Analysis

Atlantic sea state analysis

Last Update: 14:04Z, 21 April 2019, Updates: Once per day


24 Hour 500 mb Forecast

24 hour Atlantic 500 mb offshore & adjacent waters

Last Update: 17:22Z, 21 April 2019, Updates: Twice per day


24 Hour Surface Forecast

24 hour Atlantic surface offshore & adjacent waters

Last Update: 16:59Z, 21 April 2019, Updates: Twice per day


24 Hour Wind and Wave Forecast

24 hour Atlantic wind/wave offshore & adjacent waters

Last Update: 17:58Z, 21 April 2019, Updates: Twice per day


24 Hour Wave Period and Direction Forecast

24 hour Atlantic Peak Wave Period & Direction/Ice Accretion

Last Update: 17:00Z, 21 April 2019, Updates: Twice per day


48 Hour 500 mb Forecast

48 hour 500 mb Atlantic

Last Update: 17:25Z, 21 April 2019, Updates: Twice per day


48 Hour Surface Forecast

48 hour Atlantic surface

Last Update: 17:54Z, 21 April 2019, Updates: Twice per day


48 Hour Wind and Wave Forecast

48 hour Atlantic wind/wave

Last Update: 17:44Z, 21 April 2019, Updates: Twice per day


48 Hour Wave Period and Direction Forecast

48 hour Atlantic Peak Wave Period & Direction/Ice Accretion

Last Update: 16:57Z, 21 April 2019, Updates: Twice per day


72 Hour 500 mb Forecast

72 hour 500 mb Atlantic

Last Update: 17:26Z, 21 April 2019, Updates: Once per day


72 Hour Surface Forecast

72 hour Atlantic surface

Last Update: 19:54Z, 21 April 2019, Updates: Once per day


72 Hour Wind and Wave Forecast

72 hour Atlantic wind/wave

Last Update: 20:35Z, 21 April 2019, Updates: Once per day


72 Hour Wave Period and Direction Forecast

72 hour Atlantic Peak Wave Period & Direction/Ice Accretion

Last Update: 16:59Z, 21 April 2019, Updates: Once per day


96 Hour 500 mb Forecast

96 hour Atlantic 500 mb

Last Update: 17:28Z, 21 April 2019, Updates: Once per day


96 Hour Surface Forecast

96 hour Atlantic surface

Last Update: 17:22Z, 21 April 2019, Updates: Once per day


96 Hour Wind and Wave Forecast

96 hour Atlantic wind/wave

Last Update: 16:16Z, 21 April 2019, Updates: Once per day


96 Hour Wave Period and Direction Forecast

96 hour Atlantic Peak Wave Period & Direction/Ice Accretion

Last Update: 16:55Z, 21 April 2019, Updates: Once per day