943
FXUS62 KCHS 200629
AFDCHS
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON SC
229 AM EDT MON APR 20 2026
WHAT HAS CHANGED
ALL SECTIONS UPDATED.
KEY MESSAGES
- 1) RAIN-FREE CONDITIONS DOMINATE THIS WEEK AS HIGH PRESSURE
PREVAILS.
DISCUSSION
KEY MESSAGE 1: RAIN-FREE CONDITIONS DOMINATE THIS WEEK AS HIGH
PRESSURE PREVAILS.
RIDGING ALOFT WILL BUILD INTO THE REGION ON TUESDAY, LINGERING
THROUGH THE WEEKEND. AT THE SURFACE HIGH PRESSURE WILL CENTER ITSELF
OVER SC EARLY THIS WEEK. AS THE WEEK PROGRESSES THE CENTER OF HIGH
PRESSURE WILL SHIFT OFFSHORE. THIS SYNOPTIC SET-UP WILL YIELD NEAR
NORMAL TEMPERATURES TO START THE WEEK, RETURNING TO ABOVE NORMAL BY
THE WEEKEND. UNFORTUNATELY, NO RAINFALL IS IN THE FORECAST UNTIL
LATE THIS WEEKEND, AND EVEN THAT IS UNCERTAIN. DRY CONDITIONS WILL
LEAD TO AN ENHANCED FIRE DANGER THROUGH THE WEEK, WITH RH VALUES
DROPPING TO >25% ACROSS INLAND LOCATIONS EVERY AFTERNOON. WINDS DO
NOT SEEM TO BE AN ISSUE, PEAKING ONLY AROUND 10 TO 15 MPH. WHILE
CRITERIA IS NOT MET TO ISSUE ANY FIRE WEATHER PRODUCTS AT THIS TIME,
USERS SHOULD EXERCISE EXTREME CAUTION IF BURNING AND HEED ANY LOCAL
BURN BANS AS CONIDITONS REMAIN VERY DRY.
AVIATION /06Z MONDAY THROUGH FRIDAY/
6Z TAFS: VFR. WINDS SHOULD REMAIN STEADY FROM THE NORTHEAST AROUND 5
KTS THROUGH LATE THIS AFTERNOON. A WEAK SEA BREEZE IS FORECAST TO
ADVANCE SLOWLY INLAND LATE THIS AFTERNOON AND EVENING, TURNING LIGHT
WINDS FROM THE SOUTH.
EXTENDED AVIATION OUTLOOK: DRY HIGH PRESSURE KEEPS VFR CONDITIONS IN
PLACE THROUGH MUCH OF THE COMING WEEK. A SEA BREEZE IS POSSIBLE EACH
AFTERNOON AND EVENING.
MARINE
HIGH PRESSURE WILL BUILD ACROSS THE MARINE ZONES TODAY. GUSTY WINDS
THIS MORNING WILL DIMINISH THIS AFTERNOON AS A SEA BREEZE DEVELOPS.
SEAS OF 6 FT MAY LINGER ACROSS THE OUTER WATERS UNTIL THIS
AFTERNOON. SMALL CRAFT ADVISORY FOR THE OUTER GA WATERS WILL REMAIN
IN EFFECT UNTIL 5 PM THIS AFTERNOON. THE PRESSURE PATTERN SHOULD
SUPPORT WINDS AROUND 25 KTS AND WAVE HEIGHTS BETWEEN 2-3 FT THROUGH
THE REMAINDER OF THE WEEK.
RIP CURRENTS: BUILDING HIGH PRESSURE WILL SUPPORT GUSTY NORTHEAST
WINDS THIS MORNING ALONG THE COAST. THE GUSTY WINDS SHOULD GENERATE
A STRONG LONGSHORE CURRENT THROUGH MID-DAY. GIVEN THE LONGSHORE
CURRENT COMBINED WITH BREAKERS AROUND 3 FT AND LINGERING ELEVATED
TIDE CYCLES, A MODERATE RISK WILL REMAIN FOR ALL BEACHES TODAY.
DECREASING WINDS ALONG WITH DECREASING TIDAL RANGE CYCLES WILL ALLOW
THE RIP CURRENT RISK TO REMAIN LOW FOR TUESDAY.
CHS WATCHES/WARNINGS/ADVISORIES
GA...NONE.
SC...NONE.
MARINE...SMALL CRAFT ADVISORY UNTIL 5 PM EDT THIS AFTERNOON FOR AMZ384.
CPM/NED
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