


Special Marine Warning
Issued by NWS Mt. Holly, NJ
Issued by NWS Mt. Holly, NJ
Versions:
1
620 WHUS51 KPHI 182027 SMWPHI ANZ430-431-182130- /O.NEW.KPHI.MA.W.0038.250618T2027Z-250618T2130Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Mount Holly NJ 427 PM EDT Wed Jun 18 2025 The National Weather Service in Mount Holly NJ has issued a * Special Marine Warning for... Delaware Bay... * Until 530 PM EDT. * At 427 PM EDT, a severe thunderstorm was located 9 nm west of Slaughter Beach, moving east at 35 knots. HAZARD...Wind gusts in excess of 50 knots and small hail. SOURCE...Radar. IMPACT...Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves. * Locations impacted include... Brown Shoal Light, Brandywine Shoal Light, Fourteen Foot Bank Light, Slaughter Beach, Cape Henlopen, and East Point. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent lightning is occurring with this storm. If caught on the open water, stay below deck if possible and keep away from ungrounded metal objects. && LAT...LON 3907 7518 3923 7504 3936 7503 3932 7499 3933 7502 3927 7503 3930 7498 3928 7498 3920 7503 3918 7491 3911 7489 3911 7486 3910 7489 3897 7495 3876 7511 3877 7530 3883 7529 3894 7541 3899 7539 3903 7546 TIME...MOT...LOC 2027Z 269DEG 36KT 3889 7551 HAIL...<.75IN WIND...50KTS $$ po