Alerts
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| Coastal Flood Advisory issued September 20 at 8:25AM EDT until September 21 at 6:00AM EDT by NWS Baltimore MD/Washington DC | ||
| NWS Baltimore MD/Washington DC | ||
| Category | Certainty | Severity |
| Met | Likely | Minor |
| Status | Urgency | Category |
| Actual | Expected | Met |
| Effective | Ends | Expires |
| 09/20/2026 08:25 AM | 09/21/2026 06:00 AM | 09/20/2026 04:30 PM |
* WHAT...Up to one and a half feet of inundation above ground
level expected in low lying areas due to tidal flooding.
* WHERE...Shoreline in Anne Arundel County.
* WHEN...Until 6 AM EDT Monday, 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 two high tides at Annapolis U.S. Naval Academy
are at 12:20 PM and 2:07 AM.
|
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Hourly Forecast
Sun, 12:00 PM
Scattered Rain ShowersWinds: 14 mph S
Sun, 01:00 PM
Scattered Rain ShowersWinds: 13 mph S
Sun, 02:00 PM
Slight Chance Showers And ThunderstormsWinds: 12 mph S
Sun, 03:00 PM
Scattered Showers And ThunderstormsWinds: 12 mph S
Sun, 04:00 PM
Scattered Showers And ThunderstormsWinds: 12 mph S
Sun, 05:00 PM
Chance Showers And ThunderstormsWinds: 10 mph S
Sun, 06:00 PM
Chance Showers And ThunderstormsWinds: 8 mph S
Sun, 07:00 PM
Chance Showers And ThunderstormsWinds: 7 mph SW
Sun, 08:00 PM
Chance Showers And ThunderstormsWinds: 5 mph SW
Sun, 09:00 PM
Showers And Thunderstorms LikelyWinds: 3 mph SW
Sun, 10:00 PM
Showers And Thunderstorms LikelyWinds: 3 mph W
Sun, 11:00 PM
Chance Showers And ThunderstormsWinds: 3 mph NW
Mon, 12:00 AM
Chance Showers And ThunderstormsWinds: 5 mph NW
Mon, 01:00 AM
Chance Showers And ThunderstormsWinds: 6 mph N
Mon, 02:00 AM
Mostly CloudyWinds: 8 mph N
Mon, 03:00 AM
Mostly CloudyWinds: 9 mph N
Mon, 04:00 AM
Mostly CloudyWinds: 10 mph N
Mon, 05:00 AM
Mostly CloudyWinds: 12 mph N
Mon, 06:00 AM
Partly SunnyWinds: 12 mph N
Mon, 07:00 AM
Partly SunnyWinds: 12 mph N
Mon, 08:00 AM
Partly SunnyWinds: 12 mph N
Mon, 09:00 AM
Mostly CloudyWinds: 13 mph N
Mon, 10:00 AM
Mostly CloudyWinds: 13 mph NE
Mon, 11:00 AM
Mostly CloudyWinds: 14 mph NE
Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY.
Tidal Potomac River and Maryland portion of Chesapeake Bay. Forecasts of wave heights do not include effects of wind direction relative to tidal currents. Expect higher waves when winds are blowing against the tidal flow. Waves flat where waters are iced over. A warm front will lift northward through the area today, before a cold front moves through tonight. A strong area of high pressure will build to our north tomorrow and remain in place through much of the week, leading to a prolonged period of onshore flow. Small Craft Advisories will likely be needed for much of the Monday through Thursday time period, and a few low-end Gale gusts can't be ruled out on Tuesday or Wednesday.