Alert archive / North Carolina / Small Craft Advisories in 2021

Small Craft Advisory 53, NWS Wilmington, NC

August 20, 2021

NWS Wilmington, NC issued this small craft advisory at Aug 20, 2021, 3:46 AM EDT. It took effect at Aug 20, 2021, 6:00 PM EDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Aug 20, 2021, 3:46 AM EDT (07:46 UTC)
In effect from
Aug 20, 2021, 6:00 PM EDT
Expired
Aug 21, 2021, 5:12 AM EDT
In force
11 hr
Issued by
NWS Wilmington, NC

The text

As transmitted.

745 
WHUS72 KILM 200746
MWWILM

URGENT - MARINE WEATHER MESSAGE
National Weather Service Wilmington NC
346 AM EDT Fri Aug 20 2021

AMZ250-252-202015-
/O.NEW.KILM.SC.Y.0053.210820T2200Z-210821T1200Z/
Coastal waters from Surf City to Cape Fear NC out 20 nm-
Coastal waters from Cape Fear NC to Little River Inlet SC out
20 nm-
346 AM EDT Fri Aug 20 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 8 AM
EDT SATURDAY...

* WHAT...Seas 4 to 7 ft expected, in ESE swell, with wave periods
  of 10-11 seconds. Highest waves offshore. 

* WHERE...Southeast North Carolina coastal waters.

* WHEN...From 6 PM this evening to 8 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft, mainly
  where waters become more shallow and breaking waves occur where
  they normally do not. Standing wave turbulence may occur in
  entrances during outgoing tides. 

* ADDITIONAL DETAILS...Strong TSTMs late today and tonight capable
  of gusts to 45 knots, torrential rain, cloud to sea lightning 
  strikes, this includes inshore and offshore waters. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

8
2 follow-up statements
472 
WHUS72 KILM 202000
MWWILM

URGENT - MARINE WEATHER MESSAGE
National Weather Service Wilmington NC
400 PM EDT Fri Aug 20 2021

AMZ250-252-210830-
/O.EXT.KILM.SC.Y.0053.210820T2200Z-210821T1500Z/
Coastal waters from Surf City to Cape Fear NC out 20 nm-
Coastal waters from Cape Fear NC to Little River Inlet SC out
20 nm-
400 PM EDT Fri Aug 20 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 AM EDT SATURDAY...

* WHAT...Seas 4 to 6 ft expected.

* WHERE...Southeast North Carolina coastal waters.

* WHEN...Until 11 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
363 
WHUS72 KILM 210912
MWWILM

URGENT - MARINE WEATHER MESSAGE
National Weather Service Wilmington NC
512 AM EDT Sat Aug 21 2021

AMZ250-252-211015-
/O.CAN.KILM.SC.Y.0053.000000T0000Z-210821T1500Z/
Coastal waters from Surf City to Cape Fear NC out 20 nm-
Coastal waters from Cape Fear NC to Little River Inlet SC out
20 nm-
512 AM EDT Sat Aug 21 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

Swell heights from Henri fallen overnight, and are not expected 
to rise above 6 feet today.

$$

8

The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 19, 10:45 PM EDTSpecial Weather StatementILMRobeson30 min
Aug 20, 3:53 AM EDTCoastal Flood AdvisoryILMNew Hanover19 hr
Aug 20, 1:36 PM EDTSpecial Weather StatementILMNew Hanover39 min
Aug 20, 2:13 PM EDTSpecial Weather StatementILMNew Hanover47 min
Aug 20, 2:22 PM EDTSevere Thunderstorm WarningILMNew Hanover23 min
Aug 20, 2:29 PM EDTAreal Flood AdvisoryILMBrunswick, New Hanover, Pender75 min
Aug 20, 3:03 PM EDTSpecial Weather StatementILMNew Hanover27 min
Aug 19, 8:52 PM EDTSpecial Weather StatementILMDarlington53 min

Nearby

Small Craft Advisories in North Carolina, 2021Every small craft advisory in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.