33NM WSW Annapolis MD Tidal Potomac

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NWS Baltimore, MD/Washington, D.C. Marine Point Forecast: 38.87°N 77.03°W Associated Zone Forecast which includes this point Mobile Weather Information Last Update: 4:06 pm EDT May 19, 2013 Forecast Valid: 6pm EDT May 19, 2013-6pm EDT May 26, 2013

Tonight SSE 9kt 1ft Monday SSW 9kt 1ft Monday Night SSW 7kt 1ft Tuesday Light Wind 1ft Tuesday Night Light Wind 1ft Wednesday SW 6kt 1ft Wednesday Night Light Wind 1ft Thursday SSW 12kt 1ft Thursday Night SSW 7kt 1ft Hazardous marine condition(s): Hazardous Weather Outlook 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. Synopsis...A FRONTAL BOUNDARY WILL REMAIN STALLED SOUTH OF THE WATERS THROUGH TONIGHT. THE BOUNDARY IS EXPECTED TO RETURN NORTH AS A WARM FRONT MONDAY. HIGH PRESSURE BUILDS OVER THE WESTERN ATLANTIC DURING THE MIDDLE OF THE WEEK. A SMALL CRAFT ADVISORY MAY BE REQUIRED THURSDAY FOR PORTIONS OF THE WATERS. Tonight: SSE wind 7 to 9 kt. A chance of showers. Patchy fog after 3am. Seas around 1 ft. Monday: SSW wind 7 to 9 kt. A chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 11am. Seas around 1 ft. Monday Night: SSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms, mainly before 9pm. Seas around 1 ft. Tuesday: Variable winds 5 kt or less. Partly sunny. Seas around 1 ft. Tuesday Night: Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft. Wednesday: Variable winds less than 5 kt becoming SW around 6 kt in the afternoon. Mostly sunny. Seas around 1 ft. Wednesday Night: Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft. Thursday: SSW wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. A chance of showers and thunderstorms. Seas around 1 ft. Thursday Night: SSW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms. Seas around 1 ft. *Notices: (1) This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics. (2) The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly. Click Map for Forecast                        Disclaimer Lat/Lon: 38.86 -77.03   Elevation:3 ft     8594900 - Washington Lat: 38.87   Lon: -77.02   Elev: 0 Last Update on May 19, 2:42 pm EST Nearby Observations Past Observations Wind: N 1 KT Pressure: 1019.6 mb Air Temperature: 75 °F (24 °C) Water Temperature: 65 °F (19 °C) Dewpoint:: NA Wave Hgt/Dir: NA Dominant Wave Period: NA Visibility: NA          Zone Area Forecast for Tidal Potomac from Key Bridge to Indian Head MD (ANZ535) Forecast Discussion National Marine Forecasts Tide Information Printable Forecast Text Only Forecast Hourly Weather Graph Tabular Forecast International System of Units About Point Forecasts Hazardous Weather Regional Weather Conditions Past Weather Information Interactive Forecast Map Home Webmaster National Weather Service: Baltimore, MD/Washington, D.C. www.weather.gov Privacy Policy Disclaimer Credits