870
FZUS52 KJAX 240923
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
523 AM EDT FRI APR 24 2026
ATLANTIC COASTAL WATERS FROM ALTAMAHA SOUND GA TO FLAGLER BEACH
FL OUT TO 60 NM.
SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST
1/3 OF THE WAVES, ALONG WITH THE OCCASIONAL HEIGHT OF THE AVERAGE
HIGHEST 1/10 OF THE WAVES.
AMZ400-250030-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
523 AM EDT FRI APR 24 2026
SYNOPSIS
HIGH PRESSURE OVER THE SOUTHEAST STATES WILL WEAKEN TODAY INTO
SATURDAY WHILE MOVING SOUTHEAST AND WELL OFFSHORE INTO THE ATLANTIC.
TEMPORARY INCREASES IN SOUTHEAST TO SOUTH WINDS EXPECTED ALONG
NEARSHORE WATERS THIS AFTERNOON AND AGAIN SATURDAY AFTERNOON AND
EVENING.
A COLD FRONTAL BOUNDARY WILL APPROACH THE SOUTHEAST STATES BY
SATURDAY EVENING, BRINGING A CHANCE OF SHOWERS AND THUNDERSTORMS
DURING THE AFTERNOON AND EVENING. THIS BOUNDARY IS EXPECTED MOVE
INTO THE AREA WATERS SUNDAY INTO SUNDAY NIGHT, AND THEN INTO CENTRAL
FLORIDA MONDAY. THIS FRONT WILL RESULT IN WIDELY SCATTERED SHOWERS
AND THUNDERSTORMS BOTH SUNDAY AND SUNDAY NIGHT. BEHIND THE FRONT,
INCREASED NORTHEAST WINDS AND ROUGHER SEAS EARLY MONDAY. WEAK HIGH
PRESSURE WILL BUILD IN OVER THE AREA WATERS MONDAY NIGHT INTO
THROUGH TUESDAY. ANOTHER COLD FRONT WILL APPROACH FROM THE NORTHWEST
BY WEDNESDAY.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
APR 23, 2026 AT 0000 UTC...
50 NAUTICAL MILES EAST OF FLAGLER BEACH.
58 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
70 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.
76 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.
AMZ450-452-454-250030-
COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT
20 NM-
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT
20 NM-
COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM-
523 AM EDT FRI APR 24 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 10 TO 15
KNOTS BY LATE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST
3 FEET AT 8 SECONDS. INTRACOASTAL WATERS LIGHT CHOP.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHWEST 5 TO
10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: EAST
3 FEET AT 9 SECONDS AND SOUTHEAST 2 FEET AT 4 SECONDS.
INTRACOASTAL WATERS A MODERATE CHOP.
SATURDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST
10 TO 15 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL:
SOUTHEAST 2 FEET AT 5 SECONDS AND EAST 2 FEET AT 9 SECONDS.
INTRACOASTAL WATERS A MODERATE CHOP.
SATURDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHWEST
AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET
AT 4 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. A SLIGHT CHANCE OF
SHOWERS.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN
THE AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET
AT 5 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. A SLIGHT CHANCE OF
SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
SUNDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING NORTHEAST
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL:
EAST 2 FEET AT 8 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING.
MONDAY
NORTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST 5 TO
10 KNOTS. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET. INTRACOASTAL
WATERS A MODERATE CHOP.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH. SEAS
3 TO 4 FEET, OCCASIONALLY TO 5 FEET. INTRACOASTAL WATERS A
MODERATE CHOP. A SLIGHT CHANCE OF SHOWERS IN THE EVENING.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-250030-
WATERS FROM ALTAMAHA SOUND GA TO FERNANDINA BEACH FL FROM 20 TO
60 NM-
WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL FROM 20 TO 60 NM-
WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL FROM 20 TO 60 NM-
523 AM EDT FRI APR 24 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: EAST 3 FEET AT 9 SECONDS.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET. WAVE
DETAIL: SOUTH 3 FEET AT 4 SECONDS AND SOUTHEAST 3 FEET AT
9 SECONDS.
SATURDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTH
2 FEET AT 5 SECONDS AND EAST 2 FEET AT 9 SECONDS.
SATURDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: SOUTH 3 FEET AT
4 SECONDS AND EAST 2 FEET AT 9 SECONDS. A CHANCE OF SHOWERS. A
CHANCE OF THUNDERSTORMS, MAINLY IN THE EVENING.
SUNDAY
WEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTH 3 FEET AT
5 SECONDS AND EAST 2 FEET AT 8 SECONDS. A CHANCE OF SHOWERS WITH
A SLIGHT CHANCE OF THUNDERSTORMS.
SUNDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING NORTHEAST
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL:
EAST 3 FEET AT 8 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS,
MAINLY IN THE EVENING.
MONDAY
NORTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST 5 TO
10 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
TUESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH 10 TO
15 KNOTS. SEAS 4 TO 5 FEET, OCCASIONALLY TO 6 FEET. A SLIGHT
CHANCE OF SHOWERS IN THE EVENING.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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