05B4 Commander Fleet Activities Yokosuka
Commander Fleet Activities Yokosuka Warning
Hakone Owakudani Volcano Warning

The Japanese Meteorological Agency has raised the volcano eruption warning on Mount Hakone to Level 3. There is no impact to Yokosuka, Zushi, Yokohama, or other areas under the control of Fleet Activities Yokosuka. For those traveling this weekend or in the near future, please take special note of the information below.

Entrance around the crater is now prohibited. If you plan on being in the Hakone area please take precautionary measures and limit outside activity. Please keep yourself informed via local weather and news services, and check CFAY Facebook for updates. The Emergency Operation Center will monitor current NOAC and JMA predictions and provide any significant updates.

Any questions or concerns, please call the EOC at 243-1714 or 046-816-1714.
For more information: http://www.jma.go.jp/en/volcano/

Welcome to Fleet Activities Yokosuka

Supporting our Fleet - through services and facilities to forward deployed naval forces whenever and wherever needed.  Our challenge is to anticipate and provide fleet service and support needs on demand.Supporting our Fighters - by ensuring they have 100% access to the services and tools they need to succeed in professional and personal endeavors allowing them to focus on their mission. Supporting our Families - by meeting the needs of our active duty married and single Sailor, civilian, civil service, and contractor families across a broad spectrum of services to provide quality of life at home in Yokosuka.Supporting our Community - through strong partnerships between Fleet Activities, Yokosuka, and the Japanese community. A vibrant, good neighbor relationship is critical to sustained superior U.S. and Japanese international relations.

Installation Information

Fleet Activities, Yokosuka comprises 568 acres and is located 43 miles south of Tokyo at the entrance of Tokyo Bay and approximately 18 miles south of Yokohama. Yokosuka is on the Miura peninsula in the Kanto Plain region of the Pacific Coast in Central Honshu, Japan. CFAY is the largest overseas U.S. Naval installation in the world and is considered to be one of the most strategically important bases in the U.S. military.

* Gate Hours     * Phone Directory     * Getting Here     * Visitor Information     * Welcome Aboard

Computer Desktop Notification System (CDNS)

CDNS is short for Computer Desktop Notification System. CDNS is the system used by shore commands to
provide simultaneous emergency notifications to OneNet computer desktops, as well as home, work and
mobile email and telephones.

CDNS Registration Instructions:    English | 日本語

CDNS Registration Example            CDNS Registration Forms

Computer Desktop Notification System (CDNS) AtHoc Self Service User Guide (CAC Card Required)
コンピュータ・デスクトップ・通知システム(CDNS) セルフサービス・ユーザー・ガイド


Navy Region Japan

NAF Atsugi        NSF Diego Garcia        NAF Misawa        CFA Okinawa        CFA Sasebo

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