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
Today, the OPC website will be unavailable beginning at 0700 EDT/1100 UTC for approximately 30 min. Please refresh your browser or navigate to https://ocean.weather.gov
after the maintenance window to see the upgraded version of OPC's website.
This is a non-operational test website. For official OPC information and forecasts, please refer to the operational OPC website: https://ocean.weather.gov
View all OPC's latest social media posts.
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.