406
FXUS62 KCHS 301703
AFDCHS
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON SC
103 PM EDT MON MAR 30 2026
WHAT HAS CHANGED
VERY LITTLE CHANGES WITH THIS FORECAST UPDATE. THE AVIATION
SECTION HAS BEEN UPDATED FOR THE 18Z TAF ISSUANCE.
KEY MESSAGES
- 1) PREVAILING HIGH PRESSURE WILL YIELD MINIMAL RAIN CHANCES
THROUGH MID-WEEK WITH ABOVE NORMAL TEMPERATURES.
DISCUSSION
KEY MESSAGE 1: PREVAILING HIGH PRESSURE WILL YIELD MINIMAL RAIN
CHANCES THROUGH MID-WEEK WITH ABOVE NORMAL TEMPERATURES.
WHILE BROAD UPPER-LVL RIDGING STRENGTHENS THROUGH THE COURSE OF THE
WEEK, SFC HIGH PRESSURE WILL CONTINUE TO DOMINATE THE LOCAL AREA. AS
A RESULT, SOUTHEASTERLY FLOW WILL YIELD WARM TEMPERATURES THROUGH
THE END OF THE WEEK, WITH THE LATEST GUIDANCE SUPPORTING HIGH TEMPS.
IN THE LOW TO MID 80S (AWAY FROM THE COASTLINE). LUCKILY, THIS WILL
ALSO ADVECT SOME MOISTURE BACK INTO THE REGION AS DEWPOINTS ARE
EXPECTED TO RANGE FROM THE MID 50S TO LOW 60S. WHILE IT'S SUPPOSE TO
REMAIN RAIN-FREE THROUGH MID-WEEK, THERE IS CHANCE OF SOME LIGHT
PRECIP. ACROSS THE INTERIOR COUNTIES ON WEDNESDAY AFTERNOON AS WEAK
H5 VORT. ENERGY PASSES THROUGH.
A COLD FRONT COULD APPROACH THE REGION TOWARDS THE END OF THE WEEK,
YIELDING A GREATER CHANCE FOR MEASURABLE RAINFALL THIS WEEKEND.
AVIATION /18Z MONDAY THROUGH SATURDAY/
VFR CONDITIONS WILL PREVAIL AT CHS/JZI/SAV TERMINALS THROUGH 18Z
TUESDAY.
EXTENDED AVIATION OUTLOOK: VFR CONDITIONS ARE EXPECTED AT
CHS/JZI/SAV TERMINALS THROUGH MID-WEEK. TEMPO FLIGHT RESTRICTIONS
REMAIN POSSIBLE AT ALL TERMINALS THIS WEEKEND AS A COLD FRONT
APPROACHES THE REGION.
MARINE
THROUGH TONIGHT: AS HIGH PRESSURE CONTINUES TO DOMINATE THE WEATHER
PATTERN ACROSS THE SOUTHEASTERN CONUS, EXPECT LIGHT NORTHEASTERLY
WINDS TO TURN MORE SOUTHERLY THROUGH THE LATE EVENING AND OVERNIGHT
HOURS. AS SOUTHEASTERLY SWELL CONTINUES TO TAPER BACK, EXPECT 5 TO 7
FT SEAS ACROSS THE OUTER GEORGIA WATERS TO LINGER INTO THE
OVERNIGHT. THEREFORE, A SMALL CRAFT ADVISORY REMAINS IN EFFECT INTO
TUES. MORNING.
EXTENDED MARINE: EXPECT HIGH PRESSURE TO PERSIST ACROSS THE REGION
THROUGH THE LATE WEEK, SUPPORTING MOSTLY TRANQUIL MARINE CONDITIONS
(BELOW SMALL CRAFT ADVISORY CRITERIA). IT IS POSSIBLE TO SEE SOME 6
FOOTERS IN THE OUTER GEORGIA WATERS ON THURSDAY NIGHT INTO FRIDAY AS
A COLD FRONT APPROACHES THE ATLANTIC WATERS LATE THIS WEEK.
CHS WATCHES/WARNINGS/ADVISORIES
GA...NONE.
SC...NONE.
MARINE...SMALL CRAFT ADVISORY UNTIL 8 AM EDT TUESDAY FOR AMZ374.
DENNIS
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