← All Signals

⛅ Special Marine Warning issued April 20 at 10:47AM EDT until April 20 at 11:45AM EDT by NWS Baltimore MD/Washington DC

weatherneutralSource: NOAA Weather
70%Confidence
0Views
NOAA WeatherSource
2026-04-20Date

Summary

Special Marine Warning for the Tidal Potomac poses immediate risks to maritime activities, potentially delaying shipping, tourism, and recreational boating. This could lead to minor economic losses for local marinas, tour operators, and waterfront businesses during the warning period.

Actionable: Check for any delays in small-scale maritime logistics or tourism activities in the Tidal Potomac area until the warning expires.

AI Confidence: 70%

Data Points

severitySevere
eventSpecial Marine Warning
areaTidal Potomac from Indian Head to Cobb Island MD
urgencyImmediate
certaintyLikely

Source

http://www.weather.gov

Get Signals Instantly

Premium subscribers receive every signal via Telegram the moment it fires — hours before it appears here.

Subscribe Now