Analysis & Forecast
- Ice & Icebergs
- Other Hazards
- Archive Data
- Digital Forecasts
- Electronic Marine Charting (ECDIS)
- Extratropical Storm Surge Models
- Freezing Spray
- Product Information
- Receiving Products
- About OPC
View all OPC's latest social media posts.
March 09, 2018 - ECG SafetyNET Message announcing the planned Inmarsat I-3 to I-4 migration in 2018.
March 09, 2018 - Read OPC Director, Tom Cuff's editorial on the new 72 hour product suite for the Atlantic, Pacific, and Arctic Oceans.
January 18, 2018 - Changes to the surface analyses and surface forecast charts, including a new 72-hour forecast chart effective March 7, 2018
December 19, 2017 - NWS is soliciting Comments on Proposed Discontinuation of High Seas and Storm Warning over NIST Time Frequency Broadcasts through January 20, 2018
December 18, 2017 - As part of the ongoing Hazard Simplification Project, the National Weather Service (NWS) is proposing to reduce the number of Marine hazard messages. We are requesting comments on this marine consolidation and reformatting proposal via this survey.
October 12, 2017 - NWS Notice on Degraded HFFAX Transmissions
September 20, 2017 - OPC thanks the Maritime Institute of Technology and Graduate Studies (MITAGS) for being a Weather Ready Nation Ambassador
September 20, 2017 - NWS Hazard Simplification Project is Soliciting Public Comments through October 5, 2017
September 5, 2017 - Changes to 500mb forecasts and ceasing production of a small suite of products are effective November 13, 2017
June 26, 2017 - Soliciting comments on proposed changes to 500mb forecasts & terminating a small suite of products through July 31, 2017
June 15, 2017 - OPC's new website design is effective September 6, 2017 – see preview
May 30, 2017 - Depiction of sustained winds around tropical cyclones on OPC forecast charts changes June 30, 2017
May 4, 2017 - OPC's Strategic Plan for 2017-2021 has been published.
April 25, 2017 - North American Ice Service (NAIS) Atlantic Iceberg Analysis and Outlook Products are now available on OPC's Atlantic Weather page.
April 24, 2017 - Use of mixed-case text in selected marine products effective June 1, 2017
April 3, 2017 - Depiction of Potential Tropical Cyclones on Unified Surface Analysis and Marine Radiofax Charts effective May 15, 2017
September 8, 2016 - Help the NWS better communicate with you when hazardous weather threatens! Take the survey.