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Active official alertUpdated

Special Marine Warning for Upper Niagara River and Buffalo Harbor; Dunkirk to Buffalo NY; Ripley to Buffalo NY extending from 5NM off shoreline to US-Canadian border +1 more

Official alert fields

What you need to know

Effective
Ends or expires
Official severity
Severe
Official urgency
Immediate
Official certainty
Likely

What is happening

SMWBUF The National Weather Service in Buffalo has issued a * Special Marine Warning for... Lake Erie from Lake Erie Beach to Buffalo Harbor... The Upper and Lower Niagara River and Buffalo Harbor... * Until 815 PM EDT. * At 614 PM EDT, a severe thunderstorm capable of producing waterspouts was located 30 nm west...

What the bulletin says to do

A Tornado Watch remains in effect until 1100 PM EDT for western New York...the adjacent waters of Lake Erie...and the adjacent waters of Lake Ontario. Move to safe harbor immediately as gusty winds and high waves are expected. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.

Full official description

Bulletin details

SMWBUF The National Weather Service in Buffalo has issued a * Special Marine Warning for... Lake Erie from Lake Erie Beach to Buffalo Harbor... The Upper and Lower Niagara River and Buffalo Harbor... * Until 815 PM EDT. * At 614 PM EDT, a severe thunderstorm capable of producing waterspouts was located 30 nm west of Niagara River, moving southeast at 35 knots. HAZARD...Waterspouts, wind gusts to 40 knots, and large hail. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. * Locations impacted include... Small Boat Harbor, Lake Erie Beach, Youngstown, Grand Island, Wanakah, Lewiston, Woodlawn Beach, Erie Basin Marina, Sturgeon Point, Athol Springs, and Bayview.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

1 captured
  1. Alert

    Special Marine Warning issued September 2 at 6:15PM EDT until September 2 at 8:15PM EDT by NWS Buffalo NY

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Buffalo NY. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Alert
Last collected
Methodology and corrections