909
FZUS52 KJAX 301123
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
723 AM 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.
AMZ400-010230-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
723 AM EDT THU APR 30 2026
SYNOPSIS
A COLD FRONT WILL MOVE INTO SOUTHEAST GEORGIA TODAY AND THEN INTO
NORTHEAST FLORIDA LATE TONIGHT THROUGH EARLY FRIDAY. 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
TODAY THROUGH FRIDAY NIGHT. A WAVE OF LOW PRESSURE WILL THEN DEVELOP
OVER THE GULF BY LATE FRIDAY NIGHT OR SATURDAY, WITH WIDESPREAD
SHOWERS AND POSSIBLY A FEW STRONG THUNDERSTORMS OVERSPREADING OUR
LOCAL WATERS ON SATURDAY, WITH ACTIVITY EXPECTED TO CONTINUE INTO
LATE 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.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
APR 29, 2026 AT 0000 UTC...
54 NAUTICAL MILES EAST OF FLAGLER BEACH.
58 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
70 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.
84 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.
AMZ450-452-454-010230-
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-
723 AM EDT THU APR 30 2026
TODAY
WEST WINDS 10 TO 15 KNOTS, BECOMING SOUTH THIS
AFTERNOON. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL:
EAST 3 FEET AT 11 SECONDS AND WEST 2 FEET AT 3 SECONDS.
INTRACOASTAL WATERS A MODERATE CHOP. A CHANCE OF SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS THIS MORNING, THEN A CHANCE OF
THUNDERSTORMS THIS AFTERNOON.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING NORTH AFTER
MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 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.
FRIDAY
NORTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL:
NORTHEAST 2 FEET AT 4 SECONDS AND EAST 2 FEET AT 10 SECONDS.
INTRACOASTAL WATERS A MODERATE CHOP. A CHANCE OF SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
FRIDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS, BECOMING WEST
AFTER MIDNIGHT. SEAS AROUND 3 FEET. WAVE DETAIL: NORTHEAST 2 FEET
AT 4 SECONDS AND EAST 2 FEET AT 12 SECONDS. INTRACOASTAL WATERS A
MODERATE CHOP. A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. A
CHANCE OF SHOWERS.
SATURDAY
SOUTHWEST WINDS 10 TO 15 KNOTS, BECOMING WEST 15 TO
20 KNOTS IN THE AFTERNOON. SEAS 2 TO 4 FEET, OCCASIONALLY TO
5 FEET. WAVE DETAIL: SOUTHWEST 3 FEET AT 4 SECONDS AND NORTHEAST
2 FEET AT 5 SECONDS. INTRACOASTAL WATERS CHOPPY. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING,
THEN SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
SATURDAY NIGHT
NORTHWEST WINDS 15 TO 20 KNOTS, BECOMING NORTH
20 TO 25 KNOTS WITH GUSTS UP TO 35 KNOTS AFTER MIDNIGHT. SEAS
4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTH 5 FEET AT
5 SECONDS AND EAST 2 FEET AT 10 SECONDS. INTRACOASTAL WATERS
ROUGH. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
SUNDAY
NORTH WINDS 20 TO 25 KNOTS, BECOMING NORTHEAST 10 TO
15 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET, SUBSIDING TO
3 TO 4 FEET, OCCASIONALLY TO 5 FEET AFTER MIDNIGHT. INTRACOASTAL
WATERS ROUGH. A SLIGHT CHANCE OF SHOWERS IN THE MORNING.
MONDAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST. SEAS
2 TO 4 FEET, OCCASIONALLY TO 5 FEET. INTRACOASTAL WATERS LIGHT
CHOP.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-010230-
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-
723 AM EDT THU APR 30 2026
TODAY
WEST WINDS 10 TO 15 KNOTS, BECOMING SOUTHWEST THIS
AFTERNOON. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL:
SOUTHWEST 3 FEET AT 5 SECONDS AND EAST 3 FEET AT 10 SECONDS. A
SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT CHANCE OF SHOWERS THIS
MORNING, THEN A CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT
SOUTH WINDS AROUND 10 KNOTS, BECOMING NORTH AFTER
MIDNIGHT. SEAS AROUND 3 FEET. WAVE DETAIL: SOUTHWEST 2 FEET AT
4 SECONDS AND EAST 2 FEET AT 10 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
FRIDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET.
WAVE DETAIL: NORTHEAST 3 FEET AT 12 SECONDS AND WEST 2 FEET AT
3 SECONDS. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS
IN THE MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
FRIDAY NIGHT
EAST WINDS 10 TO 15 KNOTS, BECOMING SOUTHWEST
AFTER MIDNIGHT. SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE
DETAIL: NORTHEAST 3 FEET AT 5 SECONDS AND EAST 3 FEET AT
11 SECONDS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. A
CHANCE OF SHOWERS.
SATURDAY
SOUTHWEST WINDS 15 TO 20 KNOTS, BECOMING WEST IN THE
AFTERNOON. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL:
SOUTHWEST 4 FEET AT 4 SECONDS AND NORTHEAST 2 FEET AT 5 SECONDS.
A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY WITH A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
SATURDAY NIGHT
NORTH WINDS 20 TO 25 KNOTS. GUSTS UP TO
35 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET. WAVE DETAIL: NORTH 6 FEET AT 6 SECONDS AND SOUTHEAST
2 FEET AT 6 SECONDS. 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 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. A SLIGHT
CHANCE OF SHOWERS THROUGH THE DAY, THEN A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING.
MONDAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST. SEAS
3 TO 4 FEET, OCCASIONALLY TO 5 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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