538
FZUS52 KJAX 290015
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
815 PM EDT TUE APR 28 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.
AMZ400-291515-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
815 PM EDT TUE APR 28 2026
SYNOPSIS
HIGH PRESSURE OVER THE SOUTHEASTERN STATES WILL WEAKEN AS IT SHIFTS
OFFSHORE THIS EVENING ALLOWING FOR SEAS TO GRADUALLY SUBSIDE
OFFSHORE TONIGHT. A COLD FRONT WILL ENTER THE SOUTHEASTERN STATES ON
WEDNESDAY AFTERNOON, BRINGING SCATTERED SHOWERS AND THUNDERSTORMS TO
THE GEORGIA WATERS WEDNESDAY NIGHT AND TO THE NORTHEAST FLORIDA
WATERS ON THURSDAY. THIS FRONT WILL THEN STALL ACROSS THE NORTHEAST
FLORIDA WATERS ON THURSDAY NIGHT AND FRIDAY, KEEPING WIDELY
SCATTERED SHOWERS AND THUNDERSTORMS IN THE FORECAST. A WAVE OF LOW
PRESSURE WILL DEVELOP OVER THE GULF BY LATE FRIDAY NIGHT OR
SATURDAY, WITH WIDESPREAD SHOWERS AND POSSIBLY A FEW STRONG
THUNDERSTORMS OVERSPREADING OUR LOCAL WATERS BY SATURDAY AFTERNOON
AND EVENING, WITH ACTIVITY EXPECTED TO CONTINUE INTO SUNDAY ACROSS
THE NORTHEAST FLORIDA WATERS. SMALL CRAFT ADVISORY CONDITIONS MAY
DEVELOP ON SATURDAY AS SOUTHWESTERLY WINDS INCREASE AHEAD OF THIS
APPROACHING WAVE OF LOW PRESSURE. THE FRONT WILL SHIFT SOUTH OF THE
NORTHEAST FLORIDA WATERS ON SUNDAY, WITH NORTHERLY WINDS
STRENGTHENING IN WAKE OF DEPARTING LOW PRESSURE BY LATE SATURDAY
NIGHT.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
APR 28, 2026 AT 0000 UTC...
54 NAUTICAL MILES EAST OF FLAGLER BEACH.
62 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
74 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.
81 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.
AMZ450-452-454-291515-
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-
815 PM EDT TUE APR 28 2026
REST OF TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: EAST 4 FEET AT 8 SECONDS AND
SOUTHEAST 2 FEET AT 5 SECONDS. INTRACOASTAL WATERS A MODERATE
CHOP.
WEDNESDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT
5 SECONDS AND EAST 3 FEET AT 10 SECONDS. INTRACOASTAL WATERS A
MODERATE CHOP.
WEDNESDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS, BECOMING WEST
AFTER MIDNIGHT. SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 5 SECONDS AND EAST 3 FEET AT
11 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
THURSDAY
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING NORTHEAST IN
THE AFTERNOON. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE
DETAIL: EAST 3 FEET AT 11 SECONDS AND SOUTHEAST 2 FEET AT
5 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS.
THURSDAY NIGHT AND FRIDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO
3 FEET. WAVE DETAIL: EAST 2 FEET AT 5 SECONDS AND EAST 2 FEET AT
11 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS.
FRIDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST
AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: EAST 3 FEET AT
11 SECONDS AND NORTHEAST 2 FEET AT 4 SECONDS. INTRACOASTAL WATERS
LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT.
SATURDAY
WEST WINDS 15 TO 20 KNOTS, BECOMING NORTH. SEAS 3 TO
5 FEET, OCCASIONALLY TO 6 FEET. INTRACOASTAL WATERS CHOPPY. A
CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY THROUGH THE
NIGHT. A CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
SUNDAY
NORTH WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO
15 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. INTRACOASTAL
WATERS CHOPPY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS THROUGH THE DAY, THEN A SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-291515-
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-
815 PM EDT TUE APR 28 2026
REST OF TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT
8 SECONDS AND SOUTH 2 FEET AT 5 SECONDS.
WEDNESDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT
10 SECONDS AND SOUTH 3 FEET AT 5 SECONDS.
WEDNESDAY NIGHT
SOUTH WINDS 15 TO 20 KNOTS, BECOMING WEST
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 5 FEET, OCCASIONALLY TO
6 FEET. WAVE DETAIL: SOUTH 4 FEET AT 5 SECONDS AND NORTHEAST
4 FEET AT 11 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
THURSDAY
NORTHWEST WINDS 10 TO 15 KNOTS, BECOMING NORTHEAST
5 TO 10 KNOTS IN THE AFTERNOON. SEAS 2 TO 4 FEET, OCCASIONALLY TO
5 FEET. WAVE DETAIL: SOUTH 3 FEET AT 5 SECONDS AND NORTHEAST
3 FEET AT 10 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
THURSDAY NIGHT AND FRIDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS
2 TO 3 FEET. WAVE DETAIL: NORTHEAST 3 FEET AT 10 SECONDS AND
SOUTHEAST 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS.
FRIDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET, OCCASIONALLY TO
5 FEET. WAVE DETAIL: EAST 4 FEET AT 11 SECONDS AND SOUTH 2 FEET
AT 4 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
SATURDAY
SOUTHWEST WINDS 15 TO 20 KNOTS, BECOMING NORTH. SEAS
4 TO 6 FEET, OCCASIONALLY TO 8 FEET. A CHANCE OF SHOWERS THROUGH
THE DAY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON, THEN
SHOWERS LIKELY IN THE EVENING. A CHANCE OF THUNDERSTORMS THROUGH
THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUNDAY
NORTH WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO
15 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. A SLIGHT
CHANCE OF THUNDERSTORMS THROUGH THE DAY. A CHANCE OF SHOWERS,
THEN A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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