113
FXUS62 KCHS 192327
AFDCHS
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON SC
727 PM EDT SUN APR 19 2026
WHAT HAS CHANGED
UPDATED THE SMALL CRAFT ADVISORIES AND ISSUED A COASTAL FLOOD
ADVISORY.
KEY MESSAGES
- 1) COASTAL FLOOD ADVISORY FOR PORTIONS OF THE SOUTH CAROLINA
COAST THIS EVENING.
DISCUSSION
KEY MESSAGE 1: COASTAL FLOOD ADVISORY FOR PORTIONS OF THE SOUTH
CAROLINA COAST THIS EVENING.
TIDAL ANOMALIES HAVE INCREASED AS WINDS HAVE CLOCKED AROUND TO
NNE. THOUGH, IT'S QUESTIONABLE HOW LARGE ANOMALIES WILL GET
BEFORE THE 10:30 PM HIGH TIDE. WE ADJUSTED THE TWL FORECAST
BASED ON THE CURRENT TIDE TRENDS AND ISSUED A A COASTAL FLOOD
ADVISORY FOR POTIONS OF THE SC COAST THIS EVENING.
AVIATION /00Z MONDAY THROUGH FRIDAY/
00Z TAFS: VFR.
EXTENDED AVIATION OUTLOOK: DRY HIGH PRESSURE KEEPS VFR CONDITIONS
IN PLACE THROUGH MUCH OF THE COMING WEEK.
MARINE
A BRIEF PERIOD OF ENHANCED NNE GRADIENT IS EXPECTED THROUGH
MONDAY MORNING AS HIGH PRESSURE BUILDS BEHIND A COLD FRONT.
EXPECT 25 KT GUSTS THIS EVENING FOR THE CHARLESTON COUNTY
NEARSHORE WATERS, NECESSITATING A SMALL CRAFT ADVISORY. ALSO
MAINTAINED THE SMALL CRAFT ADVISORY FOR THE OFFSHORE GA WATERS
UNTIL MONDAY AFTERNOON TO HIGHLIGHT A MORE PROLONGED PERIOD OF
25 KT GUSTS AND 4-6 FT SEAS.
RIP CURRENTS: A MODERATE RISK OF RIP CURRENTS REMAINS IN PLACE FOR
ALL BEACHES THROUGH MONDAY DUE TO LINGERING SWELLS, LINGERING
ASTRONOMICAL FACTORS, AND STRONG LONGSHORE CURRENT.
CHS WATCHES/WARNINGS/ADVISORIES
GA...NONE.
SC...COASTAL FLOOD ADVISORY UNTIL 11 PM EDT THIS EVENING FOR SCZ149-
150.
MARINE...SMALL CRAFT ADVISORY UNTIL MIDNIGHT EDT TONIGHT FOR AMZ360.
SMALL CRAFT ADVISORY UNTIL 5 PM EDT MONDAY FOR AMZ384.
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