Special Marine Warning for Delaware Bay waters north of East Point NJ to Slaughter Beach DE; Delaware Bay waters south of East Point NJ to Slaughter Beach DE; Coastal waters from Great Egg Inlet to Cape May NJ out 20 NM +2 more
Official alert fields
What you need to know
- Applies to
- Coastal waters from Cape Henlopen to Fenwick Island DE out 20 NM, Coastal waters from Cape May NJ to Cape Henlopen DE out 20 NM, Coastal waters from Great Egg Inlet to Cape May NJ out 20 NM, Delaware Bay waters north of East Point NJ to Slaughter Beach DE, Delaware Bay waters south of East Point NJ to Slaughter Beach DE
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
SMWPHI The National Weather Service in Mount Holly NJ has issued a * Special Marine Warning for... * Until 645 PM EDT. * At 512 PM EDT, severe thunderstorms capable of producing waterspouts were located along a line extending from Miah Maull Light to 7 nm west of Rehoboth Beach, moving east at 25 knots....
What the bulletin says to do
A Tornado Watch remains in effect until 1000 PM EDT for central and southern Delaware...and southern New Jersey. Boaters should seek safe harbor immediately until these storms pass. Wind gusts 34 knots or greater, small hail, high waves, lightning, and heavy rain are expected with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.
Full official description
Bulletin details
SMWPHI The National Weather Service in Mount Holly NJ has issued a * Special Marine Warning for... * Until 645 PM EDT. * At 512 PM EDT, severe thunderstorms capable of producing waterspouts were located along a line extending from Miah Maull Light to 7 nm west of Rehoboth Beach, moving east at 25 knots. HAZARD...Waterspouts, wind gusts 34 knots or greater, and small hail. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Severe thunderstorms will be near... Rehoboth Beach, Cape Henlopen, Brandywine Shoal Light, and Brown Shoal Light around 520 PM EDT. Overfalls Shoal and East Point around 525 PM EDT. Indian River Inlet Bridge and Cape May Point around 530 PM EDT. Wildwood around 540 PM EDT. Buoy 2ms around 545 PM EDT. Buoy 3fb and Sea Isle City around 555 PM EDT. Cape May Reef, Wildwood Reef, and The Lump around 600 PM EDT. Buoy 4fb around 610 PM EDT.
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued August 20 at 5:13PM EDT until August 20 at 6:45PM EDT by NWS Mount Holly NJ
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Mount Holly NJ. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected