107
WHUS51 KLWX 120840
SMWLWX
ANZ535-536-121015-
/O.NEW.KLWX.MA.W.0007.260312T0840Z-260312T1015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
440 AM EDT THU MAR 12 2026
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
* SPECIAL MARINE WARNING FOR...
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD...
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD...
* UNTIL 615 AM EDT.
* AT 438 AM EDT, A WIND SHIFT ASSOCIATED WITH AN APPROACHING COLD
FRONT IS LOCATED ALONG A LINE EXTENDING FROM 21 NM NORTHWEST OF
TIDAL BASIN TO 17 NM WEST OF KEY BRIDGE TO 21 NM NORTHWEST OF
LEESYLVANIA STATE PARK, MOVING SOUTHEAST AT 30 KNOTS.
HAZARD...WIND GUSTS 34 KNOTS OR GREATER. ADDITIONALLY, WINDS
ABRUPTLY CHANGE DIRECTION OUR OF THE WEST.
SOURCE...ASOS.
IMPACT...BOATERS IN SMALL CRAFT COULD BE THROWN OVERBOARD BY
SUDDENLY HIGHER WINDS AND WAVES CAPSIZING THEIR VESSEL.
* LOCATIONS IMPACTED INCLUDE...
LEESYLVANIA STATE PARK, NATIONAL HARBOR, FORT WASHINGTON, TIDAL
BASIN, REAGAN NATIONAL AIRPORT, GUNSTON HALL, MASON NECK STATE
PARK, WOODROW WILSON BRIDGE, INDIAN HEAD, KEY BRIDGE, OCCOQUAN BAY,
FORT HUNT, AND ALEXANDRIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE
EXPECTED.
LAT...LON 3867 7724 3866 7719 3864 7720 3865 7716
3870 7720 3873 7706 3890 7708 3891 7705
3885 7700 3870 7700 3867 7708 3862 7709
3856 7717 3857 7729
TIME...MOT...LOC 0838Z 298DEG 28KT 3915 7733 3895 7745 3880 7761
HAIL...0.00IN
WIND...>34KTS
CJL
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