NOAA NWS / Event history
Special Marine Warning issued October 16 at 5:49PM EDT until October 16 at 7:45PM EDT by NWS Baltimore MD/Washington DC
Special Marine Warning · Chesapeake Bay north of Pooles Island MD; Chesapeake Bay from Pooles Island to Sandy Point MD; Chesapeake Bay from Sandy Point to North Beach MD; Patapsco River including Baltimore Harbor; Chester River to Queenstown MD. Severe; likely; urgency: immediate.
- Bulletin issued
- 16 October 2026 at 21:49 UTC
- First saved by us
- 16 October 2026 at 22:02 UTC
- Last included in a daily record
- 16 October 2026
The linked daily edition preserves what we captured that UTC day; this event page is not a live warning.
- Source classification
- Severe · Source alert
A recent feed check does not mean a new observation. This page preserves source records; it does not establish current safety or warning status.
- Issuer / area
- NWS Baltimore MD/Washington DC · Chesapeake Bay north of Pooles Island MD; Chesapeake Bay from Pooles Island to Sandy Point MD; Chesapeake Bay from Sandy Point to North Beach MD; Patapsco River including Baltimore Harbor; Chester River to Queenstown MD
- Certainty / urgency
- Likely / Immediate
- Message expiry (not hazard end)
- 16 October 2026 at 23:45 UTC
- Forecast onset / end
- 16 October 2026 at 21:49 UTC / 16 October 2026 at 23:45 UTC
Archived official description
SMWLWX The National Weather Service in Sterling Virginia has issued a * Special Marine Warning for... Chesapeake Bay from Pooles Island to Sandy Point MD... Chesapeake Bay from Sandy Point to North Beach MD... Chesapeake Bay north of Pooles Island MD... Chester River to Queenstown MD... Patapsco River including Baltimore Harbor... * Until 745 PM EDT. * At 549 PM EDT, strong thunderstorms were located along a line extending from 28 nm northwest of Gunpowder River to 29 nm west of Middle River to 25 nm northwest of Key Bridge, moving east at 25 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. * Locations impacted include... Fort Smallwood State Park, Pinehurst, North Point State Park, Hart Miller Island, Magothy River, Gibson Island, Bodkin Point, Tolchester Beach, Pooles Island, Love Point, Gunpowder River, Sandy Point State Park, Baltimore Light, Chesapeake Bay Bridge, Sevenfoot Knoll, and Severn River.
Instructions in this archived message
Move to safe harbor until hazardous weather passes.
The saved record
What changed
0 updates · 1 first record
Each update compares two versions we saved. This may not include every update from the source. A missing report does not mean an event has ended.
First saved record · 16 October 2026 at 22:02 UTC
Saved by us
Starting point
First saved record
Our first saved version of Special Marine Warning issued October 16 at 5:49PM EDT until October 16 at 7:45PM EDT by NWS Baltimore MD/Washington DC. We have no earlier saved version to compare.
Bulletin issued: 16 October 2026 at 21:49 UTC
View saved version 1
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:7897198517c384d59c6fe7a2", "authorityId": "urn:oid:2.49.0.1.840.0.8c0bda7a0ebd365e02663e613a8158881e52a0f9.001.1", "sender": "w-nws.webmaster@noaa.gov", "references": [], "category": "weather", "title": "Special Marine Warning issued October 16 at 5:49PM EDT until October 16 at 7:45PM EDT by NWS Baltimore MD/Washington DC", "eventType": "Special Marine Warning", "occurredAt": "2026-10-16T21:49:00.000Z", "issuedAt": "2026-10-16T21:49:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-16T21:49:00.000Z", "onsetAt": "2026-10-16T21:49:00.000Z", "expiresAt": "2026-10-16T23:45:00.000Z", "forecastEndAt": "2026-10-16T23:45:00.000Z", "severity": "Severe", "urgency": "Immediate", "certainty": "Likely", "messageType": "Alert", "status": "Source alert", "place": "Chesapeake Bay north of Pooles Island MD; Chesapeake Bay from Pooles Island to Sandy Point MD; Chesapeake Bay from Sandy Point to North Beach MD; Patapsco River including Baltimore Harbor; Chester River to Queenstown MD", "coordinates": null, "issuer": "NWS Baltimore MD/Washington DC", "summary": "Special Marine Warning · Chesapeake Bay north of Pooles Island MD; Chesapeake Bay from Pooles Island to Sandy Point MD; Chesapeake Bay from Sandy Point to North Beach MD; Patapsco River including Baltimore Harbor; Chester River to Queenstown MD. Severe; likely; urgency: immediate.", "description": "SMWLWX\n\nThe National Weather Service in Sterling Virginia has issued a\n\n* Special Marine Warning for...\nChesapeake Bay from Pooles Island to Sandy Point MD...\nChesapeake Bay from Sandy Point to North Beach MD...\nChesapeake Bay north of Pooles Island MD...\nChester River to Queenstown MD...\nPatapsco River including Baltimore Harbor...\n\n* Until 745 PM EDT.\n\n* At 549 PM EDT, strong thunderstorms were located along a line\nextending from 28 nm northwest of Gunpowder River to 29 nm west of\nMiddle River to 25 nm northwest of Key Bridge, moving east at 25\nknots.\n\nHAZARD...Wind gusts 34 knots or greater.\n\nSOURCE...Radar indicated.\n\nIMPACT...Boaters in small craft could be thrown overboard by\nsuddenly higher winds and waves capsizing their vessel.\n\n* Locations impacted include...\nFort Smallwood State Park, Pinehurst, North Point State Park, Hart\nMiller Island, Magothy River, Gibson Island, Bodkin Point,\nTolchester Beach, Pooles Island, Love Point, Gunpowder River, Sandy\nPoint State Park, Baltimore Light, Chesapeake Bay Bridge, Sevenfoot\nKnoll, and Severn River.", "instruction": "Move to safe harbor until hazardous weather passes.", "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.8c0bda7a0ebd365e02663e613a8158881e52a0f9.001.1", "source": "nws", "sourceName": "NOAA NWS" }Visit the external source ↗The external page may have changed since this version was saved.