* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...Until 6 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft.

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 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 6 AM this morning to 6 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...An abrupt wind shift to the northwest with a rapid increase in gusts is expected between 4 AM and 7 AM. A brief period of wind gusts 35 to 40 knots is possible during this time, and Special Marine Warnings may be needed.

Small Craft Advisory issued April 19 at 12:21AM EDT until April 19 at 6:00PM EDT by NWS Baltimore MD/Washington DC
Additional Details Here.

LWX issues Freeze Watch valid at Apr 21, 2:00 AM EDT (Carroll, Cecil, Central and Southeast Howard, Central and Southeast Montgomery, Frederick, Northern Baltimore, Northwest Harfo... at Sun, 19 Apr 2026 03:59:49 +0000 via IEMbot
Additional Details Here.

* WHAT...Sub-freezing temperatures as low as 26 to 30 degrees possible. * WHERE...Portions of central, north central, northeast, and northern Maryland, central, northern, northwest, and western Virginia, and panhandle West Virginia. * WHEN...From late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT...Sub-freezing temperatures as low as 29 to 32 degrees possible, especially northwest of I-95. * WHERE...In Maryland, Central and Southeast Howard, Central and Southeast Montgomery, Southeast Harford, and Southern Baltimore Counties. In Virginia, Albemarle, Nelson, Spotsylvania, Central and Southeast Prince William/Manassas/Manassas Park, Fairfax, and Stafford Counties. * WHEN...From late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

🚨 Freeze Watch issued April 18 at 11:59PM EDT until April 21 at 10:00AM EDT by NWS Baltimore MD/Washington DC 🚨
Additional Details Here.

* WHAT...Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE...Shoreline in Anne Arundel County. * WHEN...From 3 AM to 10 AM EDT Sunday, especially around the time of high tide. * IMPACTS...At 2.8 feet, flooding of some of the parking area near Dock Street in Annapolis may occur, with water surrounding the Alex Haley Memorial. * ADDITIONAL DETAILS...Tides one to one and a half feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 7:26 AM and 7:20 PM.

Coastal Flood Advisory issued April 18 at 10:40PM EDT until April 19 at 10:00AM EDT by NWS Baltimore MD/Washington DC
Additional Details Here.

LWX issues Area Forecast Discussion (AFD) at Apr 18, 9:28 PM EDT
at Sun, 19 Apr 2026 01:28:52 +0000 via IEMbot
Additional Details Here.

* WHAT...Through this evening, southeast winds 10 to 15 kt with gusts up to 25 kt and waves 2 to 4 feet. For Sunday, northwest winds 15 to 20 kt with gusts up to 30 kt and waves 2 to 4 feet. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...Until 6 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.

* WHAT...For the first Small Craft Advisory, southeast winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, northwest winds 15 to 20 kt with gusts up to 30 kt. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN...For the first Small Craft Advisory, until 8 PM EDT this evening. For the second Small Craft Advisory, from 6 AM to 6 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...An abrupt wind shift to the northwest with a rapid increase in gusts is expected between 4 AM and 7 AM. A brief period of wind gusts 35 to 40 knots is possible during this time, and Special Marine Warnings may be needed.

Small Craft Advisory issued April 18 at 9:35PM EDT until April 19 at 6:00PM EDT by NWS Baltimore MD/Washington DC
Additional Details Here.

HAGERSTOWN MD Apr 18
Climate Report:
High: 83
Low: 57
Precip: 0.0"
Snow: Missing
at Sat, 18 Apr 2026 21:27:39 +0000 via IEMbot
Additional Details Here.

The Storm Prediction Center issues Day 1 Marginal Convective Risk at Apr 18, 20:05z for portions of LWX
at Sat, 18 Apr 2026 20:07:03 +0000 via IEMbot
Additional Details Here.

LWX issues Area Forecast Discussion (AFD) at Apr 18, 2:28 PM EDT
at Sat, 18 Apr 2026 18:29:10 +0000 via IEMbot
Additional Details Here.

* WHAT...Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE...Shoreline in Anne Arundel County. * WHEN...From 3 AM to 10 AM EDT Sunday, especially around the time of high tide. * IMPACTS...At 2.8 feet, flooding of some of the parking area near Dock Street in Annapolis may occur, with water surrounding the Alex Haley Memorial. * ADDITIONAL DETAILS...Tides one to one and a half feet above normal. The affected high tide at Annapolis U.S. Naval Academy is at 7:26 AM Sunday morning.

Coastal Flood Advisory issued April 18 at 2:37PM EDT until April 19 at 10:00AM EDT by NWS Baltimore MD/Washington DC
Additional Details Here.

* WHAT...For the first Small Craft Advisory, southeast winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, northwest winds 15 to 20 kt with gusts up to 30 kt. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN...For the first Small Craft Advisory, until 8 PM EDT this evening. For the second Small Craft Advisory, from 6 AM to 6 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...An abrupt wind shift to the northwest with a rapid increase in gusts is expected between 4 AM and 7 AM. A brief period of wind gusts 35 to 40 knots is possible during this time, and Special Marine Warnings may be needed.

* WHAT...For the first Small Craft Advisory, southeast winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, northwest winds 15 to 20 kt with gusts up to 30 kt. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN...For the first Small Craft Advisory, until 8 PM EDT this evening. For the second Small Craft Advisory, from 6 AM to 6 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...An abrupt wind shift to the northwest with a rapid increase in gusts is expected between 4 AM and 7 AM. A brief period of wind gusts 35 to 40 knots is possible during this time, and Special Marine Warnings may be needed.

* WHAT...Through this evening, southeast winds 10 to 15 kt with gusts up to 25 kt and waves 2 to 4 feet. For Sunday, northwest winds 15 to 20 kt with gusts up to 30 kt and waves 2 to 4 feet. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...Until 6 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. ADDITIONAL DETAILS...An abrupt wind shift to the northwest with a rapid increase in gusts is expected between 6 AM and 8 AM. A brief period of wind gusts 35 to 40 knots is possible during this time, and Special Marine Warnings may be needed.

Small Craft Advisory issued April 18 at 1:40PM EDT until April 18 at 8:00PM EDT by NWS Baltimore MD/Washington DC
Additional Details Here.

The Storm Prediction Center issues Day 1 Elevated Fire Weather Risk at Apr 18, 16:42z for portions of LWX
at Sat, 18 Apr 2026 16:43:34 +0000 via IEMbot
Additional Details Here.

The Storm Prediction Center issues Day 1 Slight Convective Risk at Apr 18, 16:03z for portions of LWX
at Sat, 18 Apr 2026 16:05:32 +0000 via IEMbot
Additional Details Here.

LWX issues Area Forecast Discussion (AFD) at Apr 18, 11:00 AM EDT
at Sat, 18 Apr 2026 15:01:04 +0000 via IEMbot
Additional Details Here.

LWX issues Area Forecast Discussion (AFD) at Apr 18, 8:53 AM EDT
at Sat, 18 Apr 2026 12:53:58 +0000 via IEMbot
Additional Details Here.

The Storm Prediction Center issues Day 1 Slight Convective Risk at Apr 18, 12:32z for portions of LWX
at Sat, 18 Apr 2026 12:34:00 +0000 via IEMbot
Additional Details Here.

LWX issues Coastal Flood Advisory valid at Apr 19, 3:00 AM EDT for Anne Arundel [MD] till Apr 19, 10:00 AM EDT
at Sat, 18 Apr 2026 11:46:52 +0000 via IEMbot
Additional Details Here.

* WHAT...Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE...Shoreline in Anne Arundel County. * WHEN...From 3 AM to 10 AM EDT Sunday, especially around the time of high tide. * IMPACTS...At 2.8 feet, flooding of some of the parking area near Dock Street in Annapolis may occur, with water surrounding the Alex Haley Memorial. * ADDITIONAL DETAILS...Tides one to one and a half feet above normal. The affected high tide at Annapolis U.S. Naval Academy is at 7:26 AM Sunday morning.

Coastal Flood Advisory issued April 18 at 7:46AM EDT until April 19 at 10:00AM EDT by NWS Baltimore MD/Washington DC
Additional Details Here.

* WHAT...For the first Small Craft Advisory, southeast winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, northwest winds 15 to 20 kt with gusts up to 30 kt. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN...For the first Small Craft Advisory, from 2 PM this afternoon to 8 PM EDT this evening. For the second Small Craft Advisory, from 6 AM to 6 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.

* WHAT...For the first Small Craft Advisory, southeast winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, northwest winds 15 to 20 kt with gusts up to 30 kt. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN...For the first Small Craft Advisory, from 2 PM this afternoon to 8 PM EDT this evening. For the second Small Craft Advisory, from 6 AM to 6 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.

* WHAT...For this afternoon and evening, southeast winds 10 to 15 kt with gusts up to 25 kt and waves 2 to 4 feet. For Sunday, northwest winds 15 to 20 kt with gusts up to 30 kt and waves 2 to 4 feet. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...From 2 PM this afternoon to 6 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.

Small Craft Advisory issued April 18 at 6:57AM EDT until April 18 at 8:00PM EDT by NWS Baltimore MD/Washington DC
Additional Details Here.

LWX issues Hazardous Weather Outlook (HWO) at Apr 18, 3:54 AM EDT
at Sat, 18 Apr 2026 07:55:01 +0000 via IEMbot
Additional Details Here.

LWX issues Area Forecast Discussion (AFD) at Apr 18, 2:07 AM EDT
at Sat, 18 Apr 2026 06:07:17 +0000 via IEMbot
Additional Details Here.

WASHINGTON DULLES DC Apr 17
Climate Report:
High: 80
Low: 56
Precip: 0.0"
Snow: 0.0"
at Sat, 18 Apr 2026 06:23:43 +0000 via IEMbot
Additional Details Here.

The Storm Prediction Center issues Day 1 Slight Convective Risk at Apr 18, 4:53z for portions of LWX
at Sat, 18 Apr 2026 04:54:59 +0000 via IEMbot
Additional Details Here.

* WHAT...For the first Small Craft Advisory, southeast winds 5 to 15 kt with gusts up to 25 kt expected. For the second Small Craft Advisory, northwest winds 10 to 20 kt with gusts up to 30 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...For the first Small Craft Advisory, from 2 PM this afternoon to 8 PM EDT this evening. For the second Small Craft Advisory, from 6 AM to 6 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.

* WHAT...For the first Small Craft Advisory, southeast winds 5 to 15 kt with gusts up to 25 kt expected. For the second Small Craft Advisory, northwest winds 10 to 20 kt with gusts up to 30 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...For the first Small Craft Advisory, from 2 PM this afternoon to 8 PM EDT this evening. For the second Small Craft Advisory, from 6 AM to 6 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.

* WHAT...For Saturday into Saturday night, southeast winds 5 to 15 kt with gusts up to 25 kt expected with waves 2 to 4 feet. For Sunday, northwest winds 10 to 20 kt with gusts up to 30 kt expected with waves 2 to 4 feet. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...From 2 PM this afternoon to 6 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.

Small Craft Advisory issued April 18 at 12:07AM EDT until April 18 at 8:00PM EDT by NWS Baltimore MD/Washington DC
Additional Details Here.

LWX issues Area Forecast Discussion (AFD) at Apr 17, 9:20 PM EDT
at Sat, 18 Apr 2026 01:21:03 +0000 via IEMbot
Additional Details Here.

HAGERSTOWN MD Apr 17
Climate Report:
High: 79
Low: 62
Precip: 0.0"
Snow: Missing
at Fri, 17 Apr 2026 21:27:59 +0000 via IEMbot
Additional Details Here.

LWX issues Marine Weather Statement (MWS) at Apr 17, 3:11 PM EDT ...BRIEF PERIOD OF GUSTY WINDS POSSIBLE THROUGH LATE AFTERNOON... via IEMbot
Additional Details Here.

* WHAT...Occasional west to northwest wind gusts around 20 knots are possible. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...Through late afternoon. * IMPACTS...Conditions may be hazardous to small craft.

Marine Weather Statement issued April 17 at 3:11PM EDT by NWS Baltimore MD/Washington DC
Additional Details Here.

* WHAT...Northwest winds around 10 kt with gusts up to 20 kt. * WHERE...Tidal Potomac River from Key Bridge to Smith Point VA, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft.

Small Craft Advisory issued April 17 at 2:17PM EDT until April 17 at 8:00PM EDT by NWS Baltimore MD/Washington DC
Additional Details Here.

LWX issues Area Forecast Discussion (AFD) at Apr 17, 2:01 PM EDT
at Fri, 17 Apr 2026 18:02:00 +0000 via IEMbot
Additional Details Here.