2 products issued by NWS for: 21NM SSE Annapolis MD
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 230 AM EDT Sat Jul 18 2026 ANZ530>533-535-536-538>542-181430- /O.NEW.KLWX.SC.Y.0121.260718T1500Z-260719T0300Z/ 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- Chesapeake Bay from North Beach to Drum Point MD- Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- Patapsco River including Baltimore Harbor- Chester River to Queenstown MD-Eastern Bay- Choptank River to Cambridge MD and the Little Choptank River- Patuxent River to Broomes Island MD- 230 AM EDT Sat Jul 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 11 PM EDT THIS EVENING... * WHAT...Southwest winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN...From 11 AM this morning to 11 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Baltimore MD/Washington DC 417 PM EDT Fri Jul 17 2026 ANZ530>543-DCZ001-MDZ008-011-013-014-016>018-504-506-508- VAZ053>057-527-182030- 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- Chesapeake Bay from North Beach to Drum Point MD- Chesapeake Bay from Drum Point MD to Smith Point VA- Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- Tidal Potomac from Cobb Island MD to Smith Point VA- Patapsco River including Baltimore Harbor- Chester River to Queenstown MD-Eastern Bay- Choptank River to Cambridge MD and the Little Choptank River- Patuxent River to Broomes Island MD- Tangier Sound and the inland waters surrounding Bloodsworth Island-District of Columbia-Cecil-Southern Baltimore- Prince Georges-Anne Arundel-Charles-St. Marys-Calvert- Central and Southeast Montgomery-Central and Southeast Howard- Southeast Harford-Fairfax-Arlington/Falls Church/Alexandria- Stafford-Spotsylvania-King George- Central and Southeast Prince William/Manassas/Manassas Park- 417 PM EDT Fri Jul 17 2026 This Hazardous Weather Outlook is for the Maryland portion of the Chesapeake Bay, Tidal Potomac River, and I-95 corridor through central Maryland, northern Virginia, and District of Columbia. .DAY ONE...Tonight A Code Red and Purple Air Quality Alerts are in effect for the entire area through midnight. Poor air quality lingers into Saturday morning. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Multiple rounds of showers and thunderstorms are expected early Saturday morning through late Saturday evening. There is the potential for large hail, a couple of tornadoes, and damaging wind gusts (a few of which could approach 70 mph). Uncertainty remains in the exact timing and how widespread severe thunderstorms might be. In addition, very heavy rain could result in a few instances of flash flooding. Heat index values may approach 105 degrees on Saturday. Severe thunderstorms with damaging wind gusts are possible Tuesday and Wednesday of next week. .SPOTTER INFORMATION STATEMENT... Spotter activation will likely be needed Saturday. $$