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Special Marine Warning for Chesapeake Bay from Pooles Island to Sandy Point MD; Chesapeake Bay from Sandy Point to North Beach MD; Patapsco River including Baltimore Harbor +2 more

This alert has ended.Kept for recent context. Do not use it as a current warning.

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What you need to know

Effective
Ended
Official severity
Severe
Official urgency
Immediate
Official certainty
Likely

What is happening

For the following areas... Chesapeake Bay from Pooles Island to Sandy Point MD... Chesapeake Bay from Sandy Point to North Beach MD... Chester River to Queenstown MD... Eastern Bay... Patapsco River including Baltimore Harbor... At 613 PM EDT, severe thunderstorms were located along a line extending from near...

What the bulletin says to do

A Tornado Watch remains in effect until 1000 PM EDT for central and northern Maryland...and the adjacent coastal waters. Move to safe harbor until hazardous weather passes. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. Frequent lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.

Read official NWS bulletin

Full official description

Bulletin details

For the following areas... Chesapeake Bay from Pooles Island to Sandy Point MD... Chesapeake Bay from Sandy Point to North Beach MD... Chester River to Queenstown MD... Eastern Bay... Patapsco River including Baltimore Harbor... At 613 PM EDT, severe thunderstorms were located along a line extending from near Aberdeen Proving Ground to Sevenfoot Knoll to 12 nm west of Mayo, moving east at 30 knots. HAZARD...Wind gusts in excess of 48 knots and small hail. SOURCE...Radar indicated. IMPACT...Boaters could easily be thrown overboard by suddenly higher wind and waves capsizing their vessel. Boats could suffer significant damage in high winds. Locations impacted include... Kent Narrows Bridge, North Point State Park, Chester River, Eastern Bay, Greenbury Point, Shady Side, Sandy Point State Park, Highland Beach, Severn River, Bloody Point Light, Thomas Point Light, Parsons Island, Fort Smallwood State Park, Pinehurst, Gibson Island, Bodkin Point, Miles River, Love Point, Naval Academy, and Baltimore Light.

Lifecycle record

Official revisions

2 captured
  1. Update

    Special Marine Warning issued July 28 at 6:13PM EDT until July 28 at 6:30PM EDT by NWS Baltimore MD/Washington DC

    Official revision
  2. Alert

    Special Marine Warning issued July 28 at 5:04PM EDT until July 28 at 6:30PM EDT by NWS Baltimore MD/Washington DC

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Baltimore MD/Washington DC. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Update
Last collected
Methodology and corrections