708
FZUS52 KJAX 301832
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
232 PM EDT THU APR 30 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.
AMZ400-010900-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
232 PM EDT THU APR 30 2026
SYNOPSIS
A COLD FRONT WILL MOVE INTO SOUTHEAST GEORGIA THIS AFTERNOON AND
THEN INTO NORTHEAST FLORIDA LATE TONIGHT. THIS FRONT WILL THEN STALL
ACROSS THE NORTHEAST FLORIDA WATERS FRIDAY THEN BEGIN TO LIFT NORTH
AS A WARM FRONT FRIDAY NIGHT. THIS FRONT WILL BE ACCOMPANIED BY
SCATTERED SHOWERS AND A FEW THUNDERSTORMS AT TIMES THROUGH FRIDAY
NIGHT. A WAVE OF LOW PRESSURE WILL THEN DEVELOP OVER THE GULF BY
LATE FRIDAY NIGHT OR SATURDAY, WITH WIDESPREAD SHOWERS AND A FEW
STRONG TO SEVERE THUNDERSTORMS OVERSPREADING THE LOCAL WATERS ON
SATURDAY, WITH ACTIVITY EXPECTED TO CONTINUE INTO SATURDAY NIGHT.
SMALL CRAFT ADVISORY CONDITIONS MAY DEVELOP ON SATURDAY AS SOUTHWEST
WINDS INCREASE. THE FRONT WILL SHIFT SOUTH OF THE NORTHEAST FLORIDA
WATERS ON SATURDAY NIGHT, RESULTING IN WINDS SHIFTING TO NORTHERLY.
BREEZY NORTHEAST WINDS ARE THEN EXPECTED ON SUNDAY AS HIGH PRESSURE
BUILDS INTO THE SOUTHEASTERN STATES, WITH DIMINISHING WINDS AND SEAS
EARLY NEXT WEEK AS THE HIGH PRESSURE BUILDS OVER THE LOCAL WATERS.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
APR 30, 2026 AT 0000 UTC...
67 NAUTICAL MILES EAST OF FLAGLER BEACH.
70 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
88 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.
89 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.
AMZ450-452-454-010900-
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-
232 PM EDT THU APR 30 2026
REST OF TODAY
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS AND EAST 2 FEET AT
10 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS
AND THUNDERSTORMS.
TONIGHT
SOUTH WINDS AROUND 10 KNOTS, BECOMING NORTHWEST AFTER
MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTH 2 FEET AT
4 SECONDS AND EAST 2 FEET AT 10 SECONDS. INTRACOASTAL WATERS
LIGHT CHOP. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT.
FRIDAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: EAST 2 FEET AT 10 SECONDS. INTRACOASTAL WATERS LIGHT
CHOP. A CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
FRIDAY NIGHT
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: NORTHEAST 2 FEET
AT 11 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING,
THEN A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
SATURDAY
SOUTHWEST WINDS 15 TO 20 KNOTS, BECOMING WEST 20 TO
25 KNOTS IN THE AFTERNOON. SEAS 3 TO 5 FEET, OCCASIONALLY TO
6 FEET. WAVE DETAIL: WEST 4 FEET AT 4 SECONDS AND EAST 2 FEET AT
9 SECONDS. INTRACOASTAL WATERS ROUGH. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
SATURDAY NIGHT
NORTH WINDS 20 TO 25 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTH 6 FEET AT 6 SECONDS.
INTRACOASTAL WATERS ROUGH. SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT.
SUNDAY
NORTH WINDS 20 TO 25 KNOTS, BECOMING NORTHEAST 10 TO
15 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET, SUBSIDING TO
3 TO 5 FEET, OCCASIONALLY TO 6 FEET. INTRACOASTAL WATERS ROUGH.
MONDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. INTRACOASTAL WATERS LIGHT CHOP.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-010900-
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-
232 PM EDT THU APR 30 2026
REST OF TODAY
SOUTH WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: SOUTHWEST 3 FEET AT
4 SECONDS AND EAST 3 FEET AT 10 SECONDS. A CHANCE OF SHOWERS WITH
A SLIGHT CHANCE OF THUNDERSTORMS.
TONIGHT
SOUTH WINDS AROUND 10 KNOTS, BECOMING NORTH AFTER
MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTH 2 FEET AT
4 SECONDS AND EAST 2 FEET AT 10 SECONDS. A CHANCE OF SHOWERS WITH
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT.
FRIDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: NORTHEAST 3 FEET AT 10 SECONDS AND SOUTHWEST 2 FEET AT
4 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
FRIDAY NIGHT
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL:
NORTHEAST 3 FEET AT 11 SECONDS AND SOUTH 2 FEET AT 4 SECONDS. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
SATURDAY
SOUTHWEST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: SOUTHWEST 5 FEET AT
5 SECONDS AND NORTHEAST 3 FEET AT 9 SECONDS. A CHANCE OF SHOWERS
IN THE MORNING, THEN SHOWERS WITH A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON.
SATURDAY NIGHT
NORTH WINDS 20 TO 25 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTH 7 FEET AT 6 SECONDS
AND NORTHEAST 6 FEET AT 10 SECONDS. SHOWERS WITH A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT.
SUNDAY
NORTH WINDS 20 TO 25 KNOTS, BECOMING NORTHEAST 10 TO
15 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET, SUBSIDING TO
3 TO 5 FEET, OCCASIONALLY TO 6 FEET AFTER MIDNIGHT.
MONDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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